Rohde&Schwarz ESW-K58 User Manual

R&S®ESW-K58
Multi CISPR APD
User Manual

(;Ý8Þ2)

1179088002
Version 03

This manual describes the following R&S®ESW models:

●

R&S®ESW8 (1328.4100K08)

●

R&S®ESW8 (1328.4100K09)

●

R&S®ESW26 (1328.4100K26)

●

R&S®ESW26 (1328.4100K27)

●

R&S®ESW44 (1328.4100K44)

●

R&S®ESW44 (1328.4100K45)

The contents of this manual correspond to firmware version 2.20 and higher.

© 2022 Rohde & Schwarz GmbH & Co. KG
Muehldorfstr. 15, 81671 Muenchen, Germany
Phone: [phone] - 0
Email: [e-mail]
Internet: www.rohde-schwarz.com
Subject to change – data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.

1179.0880.02 | Version 03 | R&S®ESW-K58

Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol , e.g. R&S®ESW is indicated as
R&S ESW.

R&S®ESW-K58

1 Preface.................................................................................................... 5

1.1 About this manual.........................................................................................................5

1.2 Documentation overview..............................................................................................5

1.3 Conventions used in the documentation....................................................................7

2 Welcome to the Multi CISPR APD application.....................................9

2.1 Starting multi CISPR APD measurements.................................................................. 9

2.2 Understanding the display information.................................................................... 10

3 Measurements and result displays.................................................... 13

4 Measurement basics............................................................................16

Contents

Contents

5 Configuration........................................................................................17

5.1 Configuration overview.............................................................................................. 17

5.2 Data input and output................................................................................................. 18

5.3 Amplitude.....................................................................................................................23

5.4 Frequency.................................................................................................................... 29

5.5 Trigger..........................................................................................................................31

5.6 Measurement settings................................................................................................ 33

5.7 Evaluation table...........................................................................................................36

5.8 Display configuration................................................................................................. 37

5.9 Sweep settings............................................................................................................ 37

5.10 Transducer...................................................................................................................38

6 Analysis................................................................................................ 39

6.1 Trace / data export configuration.............................................................................. 39

6.2 Marker settings............................................................................................................40

6.3 APD display configuration......................................................................................... 41

6.4 Scaling......................................................................................................................... 41

6.5 Test reports..................................................................................................................43

7 How to run a Multi CISPR APD measurement................................... 44

8 Remote commands for Multi CISPR APD measurements................46

8.1 Introduction................................................................................................................. 46

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8.2 Common suffixes........................................................................................................ 51

8.3 Application selection.................................................................................................. 51

8.4 Result display configuration......................................................................................55

8.5 Configuration...............................................................................................................70

8.6 Analysis....................................................................................................................... 89

Contents

List of commands................................................................................ 98

Index....................................................................................................101

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1 Preface

1.1 About this manual

Preface

Documentation overview

This Multi CISPR APD User Manual provides all the information specific to the appli-
cation. All general instrument functions and settings common to all applications and
operating modes are described in the main R&S ESW User Manual.

The main focus in this manual is on the measurement results and the tasks required to
obtain them. The following topics are included:

●

Welcome to the Multi CISPR APD Application

Introduction to and getting familiar with the application

●

Measurements and Result Displays

Details on supported measurements and their result types

●

Measurement Basics

Background information on basic terms and principles in the context of the mea­surement

●

Configuration + Analysis

A concise description of all functions and settings available to configure measure­ments and analyze results with their corresponding remote control command

●

Measurement Examples

Detailed measurement examples to guide you through typical measurement sce­narios and allow you to try out the application immediately

●

Remote Commands for Multi CISPR APD Measurements

Remote commands required to configure and perform Multi CISPR APD measure­ments in a remote environment, sorted by tasks
(Commands required to set up the environment or to perform common tasks on the
instrument are provided in the main R&S ESW User Manual)
Programming examples demonstrate the use of many commands and can usually
be executed directly for test purposes

●

List of remote commands

Alphabetical list of all remote commands described in the manual

●

Index

1.2 Documentation overview

This section provides an overview of the R&S ESW user documentation. You find it on
the product page at:

www.rohde-schwarz.com/manual/esw

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1.2.1 Getting started manual

1.2.2 User manuals and help

Preface

Documentation overview

Introduces the R&S ESW and describes how to set up and start working with the prod­uct. Includes basic operations, typical measurement examples, and general informa­tion, e.g. safety instructions, etc.

A printed version is delivered with the instrument. A PDF version is available for down­load on the Internet.

Separate user manuals are provided for the base unit and the firmware applications:

●

Base unit manual
Contains the description of all instrument modes and functions. It also provides an
introduction to remote control, a complete description of the remote control com­mands with programming examples, and information on maintenance, instrument
interfaces and error messages. Includes the contents of the getting started manual.

●

Manuals for (optional) firmware applications
Contains the description of the specific functions of a firmware application, includ­ing remote control commands. Basic information on operating the R&S ESW is not
included.

The contents of the user manuals are available as help in the R&S ESW. The help
offers quick, context-sensitive access to the complete information for the base unit and
the firmware applications.

All user manuals are also available for download or for immediate display on the Inter­net.

1.2.3 Service manual

Describes the performance test for checking the rated specifications, module replace­ment and repair, firmware update, troubleshooting and fault elimination, and contains
mechanical drawings and spare part lists.

The service manual is available for download for registered users on the global
Rohde & Schwarz information system (GLORIS):

https://gloris.rohde-schwarz.com

1.2.4 Instrument security procedures

Deals with security issues when working with the R&S ESW in secure areas. It is avail­able for download on the Internet.

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1.2.5 Basic safety instructions

1.2.6 Data sheets and brochures

1.2.7 Release notes and open source acknowledgment (OSA)

Preface

Conventions used in the documentation

Contains safety instructions, operating conditions and further important information.
The printed document is delivered with the instrument.

The data sheet contains the technical specifications of the R&S ESW. It also lists the
options and their order numbers, and optional accessories.

The brochure provides an overview of the instrument and deals with the specific char­acteristics.

See www.rohde-schwarz.com/brochure-datasheet/esw

The release notes list new features, improvements and known issues of the current
firmware version, and describe the firmware installation.

The open source acknowledgment document provides verbatim license texts of the
used open source software.

See www.rohde-schwarz.com/firmware/esw

1.2.8 Application notes, application cards, white papers, etc.

These documents deal with special applications or background information on particu­lar topics.

See www.rohde-schwarz.com/application/esw

1.3 Conventions used in the documentation

1.3.1 Typographical conventions

The following text markers are used throughout this documentation:

Convention Description

"Graphical user interface ele­ments"

[Keys] Key and knob names are enclosed by square brackets.

All names of graphical user interface elements on the screen, such as
dialog boxes, menus, options, buttons, and softkeys are enclosed by
quotation marks.

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Preface

Conventions used in the documentation

Convention Description

Filenames, commands,
program code

Input Input to be entered by the user is displayed in italics.

Links Links that you can click are displayed in blue font.

"References" References to other parts of the documentation are enclosed by quota-

Filenames, commands, coding samples and screen output are distin­guished by their font.

tion marks.

1.3.2 Conventions for procedure descriptions

When operating the instrument, several alternative methods may be available to per­form the same task. In this case, the procedure using the touchscreen is described.
Any elements that can be activated by touching can also be clicked using an addition­ally connected mouse. The alternative procedure using the keys on the instrument or
the on-screen keyboard is only described if it deviates from the standard operating pro­cedures.

The term "select" may refer to any of the described methods, i.e. using a finger on the
touchscreen, a mouse pointer in the display, or a key on the instrument or on a key­board.

1.3.3 Notes on screenshots

When describing the functions of the product, we use sample screenshots. These
screenshots are meant to illustrate as many as possible of the provided functions and
possible interdependencies between parameters. The shown values may not represent
realistic usage scenarios.

The screenshots usually show a fully equipped product, that is: with all options instal­led. Thus, some functions shown in the screenshots may not be available in your par­ticular product configuration.

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2 Welcome to the Multi CISPR APD applica-

Welcome to the Multi CISPR APD application

Starting multi CISPR APD measurements

tion

The R&S ESW-K58 Multi CISPR APD application provides functionality to perform
CISPR APD measurements on multiple frequencies in parallel with the R&S ESW.

The application allows fast interference signal analysis at up to 67 frequencies simulta­neously. It meets all requirements of CISPR 16-1-1 for measuring receivers with ampli­tude probability distribution (APD) measurement function.

The Multi CISPR APD application covers the complete frequency range of CISPR 11
Ed.6.2. All frequencies that are specified in CISPR 11 Ed.6.2 can be measured in par­allel in just one sweep.

The application features Multi CISPR APD measurements with various result displays:

●

CISPR APD at Tuned Frequency

●

Multi APD

●

Result Summary

This user manual contains a description of the functionality that the application pro­vides, including remote control operation.

All functions not discussed in this manual are the same as in the base unit and are
described in the R&S ESW user manual. The latest version is available for download at
the product homepage http://www.rohde-schwarz.com/product/esw.

Installation

You can find detailed installation instructions in the R&S ESW getting started manual or
in the release notes.

2.1 Starting multi CISPR APD measurements

Multi CISPR APD measurements is a separate application on the R&S ESW.

To activate Multi CISPR APD measurements

1. Select the [MODE] key.
A dialog box opens that contains all operating modes and applications currently

available on your R&S ESW.

2. Select the "Multi CISPR APD" item.

The R&S ESW opens a new channel for the application.

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Welcome to the Multi CISPR APD application

Understanding the display information

The measurement is started immediately with the default settings. It can be configured
in the Multi CISPR APD Configuration overview dialog box, which is displayed when
you select the "Overview" softkey from any menu.

Multiple Channels and Sequencer Function

When you activate an application, a new channel is created which determines the
measurement settings for that application ("Channel"). The same application can be
activated with different measurement settings by creating several "Channel"s for the
same application.

The number of channels that can be configured at the same time depends on the avail­able memory on the instrument.

Only one measurement can be performed at any time, namely the one in the currently
active channel. However, in order to perform the configured measurements consecu­tively, a Sequencer function is provided.

If activated, the measurements configured in the currently defined "Channel"s are per­formed one after the other in the order of the tabs. The currently active measurement is
indicated by a

symbol in the tab label.

The result displays of the individual channels are updated in the tabs (as well as the
"MultiView") as the measurements are performed. Sequential operation itself is inde­pendent of the currently displayed tab.

For details on the Sequencer function see the R&S ESW user manual.

2.2 Understanding the display information

The following figure shows a measurement diagram during Multi CISPR APD measure­ments. All different information areas are labeled. They are explained in more detail in
the following sections.

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Welcome to the Multi CISPR APD application

Understanding the display information

1 = Channel bar for firmware and measurement settings
2+3 = Window title bar with diagram-specific (trace) information
4 = Diagram area
5 = Diagram footer with diagram-specific information, depending on result display
6 = Instrument status bar with error messages and date/time display

Channel bar information

In the Multi CISPR APD application, the R&S ESW shows the following settings:

Table 2-1: Information displayed in the channel bar in the application for Multi CISPR APD measure-

Ref Level Reference level

Att RF attenuation applied to input

Input Input toggle state

ABW Analysis bandwidth

AQT Measurement time for data acquisition.

PS Current state of the preselector.

Tuned Frequency Frequency of the current measurement results

Limits PASS or FAIL of defined limits.

SGL Indicates the progress of single measurements.

ments

The first number is the current measurement. The second number is the
total number of measurements.

Only displayed for single measurements and if the scan count is greater
than 1.

Frequency Receiver Frequency

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Welcome to the Multi CISPR APD application

Understanding the display information

Window Title Bar

Each channel in the R&S ESW display can contain several windows. Each window can
display either a graph or a table as a result of the channel measurement. The window's
title bar indicates which type of evaluation is displayed.

Information on the displayed traces is indicated in the window title bar.

Trace number

Trace color

Trace mode

Detector

For further information on the Window Title Bar, see R&S ESW User Manual.

Status bar information

Global instrument settings, the instrument status and any irregularities are indicated in
the status bar beneath the diagram.

Furthermore, the progress of the current operation is displayed in the status bar.

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3 Measurements and result displays

Measurements and result displays

Access: "Overview" > "Display Config"

Or: [MEAS] > "Display Config"

The data that was measured by the R&S ESW can be evaluated using various different
methods. In the Multi CISPR APD application, multiple result displays can be used
simultaneously.

CISPR APD at Tuned Frequency..................................................................................13

Fast Access...................................................................................................................13

Marker Table................................................................................................................. 13

Multi APD...................................................................................................................... 13

Notes.............................................................................................................................14

Result Summary............................................................................................................14

CISPR APD at Tuned Frequency

Displays the likelihood that a disturbance is above a specified level at a particular fre­quency.

Remote command:

LAY:ADD? '1',RIGH,CAPD

(See LAYout:ADD[:WINDow]? on page 56)

Fast Access

By default, the Fast Access panel provides functionality to control the Reference Level
and the Tuned Frequency. For more information on how to change the functionality and
how to work with the Fast Access panel, refer to the R&S ESW user manual.

Remote command:

LAY:ADD? '1',RIGH,FACC

(See LAYout:ADD[:WINDow]? on page 56)

Marker Table

Provides functionality to display information for all active markers. For more information
on how to work with the Marker Table, refer to the R&S ESW user manual.

Remote command:

LAY:ADD? '1',RIGH,MTAB

(See LAYout:ADD[:WINDow]? on page 56)

Multi APD

Displays the results of the CISPR APD measurement for all frequencies within the cur­rent span.

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Measurements and result displays

A view selection between Flat (2D) and 3D view of the Multi APD result display is pos­sible.

Table 3-1: Multi APD Label Description

Label Description

Pass

Margin

Fail

Remote command:

LAY:ADD? '1',RIGH,MAPD

(See LAYout:ADD[:WINDow]? on page 56)

Notes

Provides functionality to add comments or explanations to the current measurement.
For more information on how to work with the Notes panel, refer to the R&S ESW user
manual.

Remote command:

LAY:ADD? '1',RIGH,NOT

(See LAYout:ADD[:WINDow]? on page 56)

Result Summary

The Result Summary table contains the following values:

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Measurements and result displays

Table 3-2: Result summary description

Label Description

Frequency Channel frequency

p Limit Limit for the probability

E Limit Limit for the power

∆ to p Limit Distance to the p limit for the channel

∆ to E Limit Distance to the E limit for the channel

Average Average amplitude for the channel

Peak Peak amplitude for the channel

For calculating the deltas, the minimum distance to the limits is used in case of a Pass
or Margin and the maximum distance is used in case of a Fail.

Remote command:

LAY:ADD? '1',RIGH,RSUM, see LAYout:ADD[:WINDow]? on page 56

TRACe<n>[:DATA]? on page 64
CALCulate<n>:STATistics:RESult<res>? on page 64
FETCh:SUMMary<n>[:ALL]? on page 65
FETCh:SUMMary<n>:AVERage? on page 65
FETCh:SUMMary<n>:AVERage:ALL? on page 65
FETCh:SUMMary<n>:DELimit? on page 66
FETCh:SUMMary<n>:DELimit:ALL? on page 66
FETCh:SUMMary<n>:DPLimit? on page 66
FETCh:SUMMary<n>:DPLimit:ALL? on page 66
FETCh:SUMMary<n>:ELIMit? on page 67
FETCh:SUMMary<n>:ELIMit:ALL? on page 67
FETCh:SUMMary<n>:FREQuency? on page 67
FETCh:SUMMary<n>:FREQuency:ALL? on page 68
FETCh:SUMMary<n>:LIMit? on page 68
FETCh:SUMMary<n>:LIMit:ALL? on page 68
FETCh:SUMMary<n>:PEAK? on page 68
FETCh:SUMMary<n>:PEAK:ALL? on page 69
FETCh:SUMMary<n>:PLIMit? on page 69
FETCh:SUMMary<n>:PLIMit:ALL? on page 69

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4 Measurement basics

Measurement basics

Some background knowledge on basic terms and principles used in Multi CISPR APD
measurements is provided here for a better understanding of the required configuration
settings.

The Amplitude Probability Distribution (APD) is a statistical measurement that shows
the "cumulative distribution of the probability of time that the amplitude of disturbance
exceeds a specified level" (CISPR 16-1-1, Amendment 1:2005). So, basically, the mea­surement determines the likelihood that a disturbance is above a specified level at a
particular frequency (the measurement is usually performed on a fixed frequency).

The amplitude of the disturbance is expressed in terms of the corresponding field
strength or voltage at the receiver input.

The APD is measured at the output of the envelope detector. Therefore, the APD
yields the probability information over the entire disturbance envelope within the mea­surement bandwidth and a particular period of time.

The APD function has the following advantages:

●

It provides an alternative way to present peak and average measurements (for
example for microwave ovens in accordance with CISPR 11).

●

It is able to calculate true average values.

●

It shows high sensitivity and allows you to measure, for example, a single impulse.

●

It allows you to measure unsteady levels.

The Multi CISPR APD application allows you to measure up to 20 channels at 1 MHz
bandwidth and up to 67 channels at 120 kHz bandwidth in parallel, thus saving a signif­icant amount of measurement time. Traditional measurement methods only allowed to
measure the APD at one frequency at a time.

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5 Configuration

Configuration

Configuration overview

Access: [MODE] > "Multi CISPR APD"

When you activate the Multi CISPR APD application, a Multi CISPR APD measure­ment for the input signal is started automatically with the default configuration. It can be
configured in the Multi CISPR APD "Overview" dialog box, which is displayed when
you select the "Overview" softkey from any menu.

● Configuration overview............................................................................................17

● Data input and output..............................................................................................18

● Amplitude................................................................................................................ 23

● Frequency............................................................................................................... 29

● Trigger.....................................................................................................................31

● Measurement settings.............................................................................................33

● Evaluation table.......................................................................................................36

● Display configuration...............................................................................................37

● Sweep settings........................................................................................................37

● Transducer..............................................................................................................38

5.1 Configuration overview

Throughout the measurement configuration, an overview of the most important cur­rently defined settings is provided in the "Overview". The "Overview" is displayed when
you select the "Overview" icon, which is available at the bottom of all softkey menus.

In addition to the main measurement settings, the "Overview" provides quick access to
the main settings dialog boxes. Thus, you can easily configure an entire Multi CISPR
APD measurement channel from input over processing to output and analysis by step­ping through the dialog boxes as indicated in the "Overview".

Preset Channel............................................................................................................. 18

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5.2 Data input and output

Configuration

Data input and output

Preset Channel

Select the "Preset Channel" button in the lower left-hand corner of the "Overview" to
restore all measurement settings in the current channel to their default values.

Note: Do not confuse the "Preset Channel" button with the [Preset] key, which restores
the entire instrument to its default values and thus closes all channels on the
R&S ESW (except for the default channel)!

Remote command:

SYSTem:PRESet:CHANnel[:EXEC] on page 54

Access: "Overview" > "Input"

Access: "Overview" > "Output"

The R&S ESW can analyze signals from different input sources and provide various
types of output (such as video or trigger signals).

I/Q data import and export

You can also analyze I/Q data that you have previously recorded.

For a comprehensive description about I/Q data import and export, refer to the user
manual of the R&S ESW.

● Configuring the RF input......................................................................................... 18

● Configuring external mixers.................................................................................... 20

● Configuring the preselector.....................................................................................20

● Configuring output...................................................................................................20

● Configuring line impedance stabilization networks (LISN)......................................22

● Configuring additional outputs.................................................................................22

5.2.1 Configuring the RF input

Access: "Overview" > "Input / Frontend" > "Input Source" > "Radio Frequency"

The R&S ESW supports various signal input sources. The default input source is the
RF input.

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Configuration

Data input and output

Functions in the "Input" dialog box described elsewhere:

●

"Input Selection" on page 19

The remote commands required to configure the RF input are described in Chap-

ter 8.5.1.1, "RF input", on page 70.

Input Selection.............................................................................................................. 19

Input Coupling...............................................................................................................19

Impedance.................................................................................................................... 20

Pulse Limiter................................................................................................................. 20

Input Selection

Selects the RF input connector you would like to use for a measurement.
Note that you cannot use both RF inputs simultaneously.
Remote command:

Global: INPut<ip>:TYPE on page 71

Input Coupling

The RF input of the R&S ESW can be coupled by alternating current (AC) or direct cur­rent (DC).

Note that the "Input Coupling" feature is only available for input 2 when the pulse lim-

iter is turned off. When the pulse limiter is on, the input is always DC coupled.

AC coupling blocks any DC voltage from the input signal. AC coupling is activated by
default to prevent damage to the instrument. Very low frequencies in the input signal
can be distorted.

However, some specifications require DC coupling. In this case, you must protect the
instrument from damaging DC input voltages manually. For details, refer to the data
sheet.

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Configuration

Data input and output

Remote command:

INPut<ip>:COUPling on page 70

Impedance

For some measurements, the reference impedance for the measured levels of the
R&S ESW can be set to 50 Ω or 75 Ω.

Select 75 Ω if the 50 Ω input impedance is transformed to a higher impedance using a
75 Ω adapter of the RAZ type. (That corresponds to 25Ω in series to the input impe­dance of the instrument.) The correction value in this case is 1.76 dB = 10 log (75Ω/
50Ω).

This value also affects the unit conversion.
Remote command:

INPut<ip>:IMPedance on page 70

Pulse Limiter

The pulse limiter, available for the second RF input, is a protection mechanism against
high level pulses or signals (which can damage the input mixer).

When you turn on the pulse limiter, the attenuation is always at least 10 dB. Attenua­tion smaller than 10 dB is only available when you turn off the pulse limiter.

Remote command:

INPut<ip>:ATTenuation:LIMiter[:STATe] on page 71

5.2.2 Configuring external mixers

Access: "Overview" > "Input / Frontend" > "Input Source" > "External Mixer"

Controlling external mixer is available with the optional External Mixer support.

The functionality is the same as in the spectrum application.

For more information about configuring external mixers, refer to the user manual of the
spectrum application.

5.2.3 Configuring the preselector

Access: "Overview" > "Input / Frontend" > "Preselector"

The preselector works similar to the preselector in the Receiver application. Notch fil­ters are not supported in the Multi CISPR APD application.

For more information refer to the user manual of the R&S ESW.

5.2.4 Configuring output

Access: "Overview" > "Output" > "Output Config"

The R&S ESW provides functionality to configure the volume of the phone output as
required.

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Configuration

Data input and output

For details on the connectors refer to the R&S ESW Getting Started manual, chapter
"Instrument Tour".

The remote commands required to configure the outputs are described in Chap-

ter 8.5.2, "Output configuration", on page 72.

Output Coupling............................................................................................................ 21

Controlling the volume.................................................................................................. 21

Output Coupling

Selects the scope of the output settings.
"Global"
"Channel Spe-

cific"
Remote command:

OUTPut<ou>:LINK on page 72

Controlling the volume
CAUTION! Risk of hearing damage. To protect your hearing, make sure that the vol-

ume setting is not too high before putting on the headphones.
When you output an audio signal and listen to it with headphones, for example, you

can control the volume of the output.
One way to control the volume is to use the volume control knob on the front panel of

the R&S ESW.

The output settings apply to all measurement channels / applications.
The output settings apply to the current measurement channel / appli-

cation only. You can configure each channel separately.

A similar functionality is available in the "Phones" tab of the "Output Config" dialog box.
The volume control slider has the same effect as the volume control knob. For the
slider, the volume is a percentage from 0 % to 100 % with 100 % being the loudest.

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5.2.5 Configuring line impedance stabilization networks (LISN)

Configuration

Data input and output

In addition to simply changing the volume, you can also define a maximum volume
level. The maximum volume level limits the audio output to a certain level. The volume
control knob and slider will not go further than this level.

Remote command:
Volume: SYSTem:SPEaker:VOLume on page 73
Maximum volume: SYSTem:SPEaker:MAXVolume on page 72
Mute: SYSTem:SPEaker:MUTE on page 73

Access: "Overview" > "Output" > "LISN"

The R&S ESW supports several LISN models and provides functionality to control
these devices. The functionality is the same as in the Receiver application.

For more information refer to the user manual of the R&S ESW.

5.2.6 Configuring additional outputs

Access: "Overview" > "Output" > "Additional Outputs"

The R&S ESW provides additional outputs that you can use for various tasks.

The remote commands required to configure the outputs are described in Chap-

ter 8.5.2, "Output configuration", on page 72.

The trigger output settings are described in Chapter 5.5.2, "Trigger input and output

settings", on page 33.

Probe Power Supply..................................................................................................... 22

Probe Power Supply

Selects the probe connector that is supplied with power.
The probe power supply is a global setting - when you change it in one measurement

channel, it is also changed in the others.
"Probe 1"
"Probe 2"
"Off"
Remote command:

OUTPut<ou>:PROBe<pb>[:POWer] on page 73

Supplies the 3-pin probe connector with power.
Supplies the 5-pin probe connector with power.
Turns off the power supply for the probe connectors.

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5.3 Amplitude

5.3.1 Amplitude configuration

Configuration

Amplitude

Access: "Overview" > "Input / Frontend" > "Amplitude"

The amplitude is configured in the "Amplitude" tab of the "Input" dialog box.

For background information on amplitude settings see the R&S ESW User Manual.

The remote commands required to define these settings are described in Chap-

ter 8.5.3, "Amplitude configuration", on page 74.

Functions to configure level characteristics described elsewhere:

●

"Input Coupling" on page 19

●

"Impedance" on page 20

Reference Level............................................................................................................23

└ Shifting the Display (Offset)............................................................................ 24

Attenuation....................................................................................................................24

10 dB Minimum Attenuation..........................................................................................25

Preamplifier...................................................................................................................25

Reference Level

Defines the expected maximum reference level. Signal levels above this value are pos­sibly not measured correctly. Signals above the reference level are indicated by an "IF
Overload" or "OVLD" status display.

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Configuration

Amplitude

The reference level can also be used to scale power diagrams; the reference level is
then used for the calculation of the maximum on the y-axis.

Since the hardware of the R&S ESW is adapted according to this value, it is recom­mended that you set the reference level close above the expected maximum signal
level. Thus you ensure an optimum measurement (no compression, good signal-to­noise ratio).

Note: Note that for input from the External Mixer (R&S ESW-B21) the maximum refer-
ence level also depends on the conversion loss; see the R&S ESW base unit user
manual for details.

Remote command:

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel

on page 74

Shifting the Display (Offset) ← Reference Level

Defines an arithmetic level offset. This offset is added to the measured level. In some
result displays, the scaling of the y-axis is changed accordingly.

Define an offset if the signal is attenuated or amplified before it is fed into the
R&S ESW so the application shows correct power results. All displayed power level
results are shifted by this value.

The setting range is ±200 dB in 0.01 dB steps.
Note, however, that the internal reference level (used to adjust the hardware settings to

the expected signal) ignores any "Reference Level Offset". Thus, it is important to keep
in mind the actual power level the R&S ESW must handle. Do not rely on the displayed
reference level (internal reference level = displayed reference level - offset).

Remote command:

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel:
OFFSet on page 75

Attenuation

Defines the attenuation of the signal.
You can attenuate the signal in 1 dB steps. The range is specified in the datasheet.

Attenuation of less than 10 dB is only possible if you turn off 10 dB Minimum Attenua-

tion.

If you are using the preamplifier in frequency ranges above 8 GHz, the available
attenuation can be reduced.

For more information, see the Preamplifier description in the R&S ESW base unit user
manual.

The auto ranging feature in the receiver remains active even if you change the attenua­tion and preamplifier properties in other measurement channels and then return to the
receiver application.

The R&S ESW also allows you to determine the best attenuation automatically.

●

In the receiver application, turn on the "Auto Ranging" feature.

●

In the other applications, select attenuation "Mode" ➙ "Auto"

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Configuration

Amplitude

Remote command:
Global: INPut<ip>:ATTenuation[:VALue] on page 76
Attenuation mode: INPut<ip>:ATTenuation:AUTO on page 75

10 dB Minimum Attenuation

Turns the availability of attenuation levels of less than 10 dB on and off.
When you turn on this feature, the attenuation is always at least 10 dB. This minimum

attenuation protects the input mixer and avoids accidental setting of 0 dB, especially if
you measure EUTs with high RFI voltage.

When you turn it off, you can also select attenuation levels of less than 10 dB.
The setting applies to a manual selection of the attenuation as well as the automatic

selection of the attenuation.
Remote command:

INPut<ip>:ATTenuation:PROTection[:STATe] on page 76

Preamplifier

Configures the preamplifier.
In addition to the standard preamplifier, a low noise amplifier is available as an optional

hardware component.

●

"Off"

Turns off the preamplifier.

●

"LN Amplifier"

Turns on the optional low noise amplifier.

Note that if you want to use the standard preamplifier, you have to route the signal
through the preselector.

More information.

Remote command:

Preamplifier:

State (global): INPut<ip>:GAIN:STATe on page 77

Low noise preamplifier:

State (global): INPut<ip>:GAIN:LNA:STATe on page 77

5.3.2 Increasing measurement sensitivity (or avoiding an input mixer overload)

Measurements often confront you with unknown or unintentional signals with unknown
signal levels (and often with pulse characteristics). Such signals can either have very
weak signal levels, in which case you might miss them during the measurement. Or
they can have very strong signal levels, in which case they can damage the input
mixer.

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Configuration

Amplitude

Risk of damage to the input mixer

Do not overload the input mixer.
Overloading the input mixer can damage it. The following topics contain advice on how

to avoid an overload of the input mixer. Read them carefully before applying a signal.

Protecting the input mixer

Always consider how to protect the input mixer from damage when setting up a mea­surement.

The input mixer of the R&S ESW is equipped with an overload protection mechanism.
If you apply a signal whose power exceeds the specified limit (see datasheet), the con­nection between the RF input and the input mixer is cut off. The R&S ESW displays a
corresponding message in the status display.

Note that pulses have different level characteristics. Refer to the data sheet for more
information on the allowed maximum pulse energy.

The signal level at the input mixer is calculated as follows.

Mixer Level = Input Level - attenuation + gain

RF input protection

The R&S ESW is equipped with an overload protection mechanism. This mechanism
becomes active as soon as the signal level at the input mixer exceeds the specified
limit. It ensures that the connection between RF input and input mixer is cut off.

In this case, you must decrease the level at the RF input connector and then close the
message box. Then measurements are possible again.

● Using the RF attenuator..........................................................................................26

● Using the preamplifier............................................................................................. 27

● Using the preselector.............................................................................................. 28

5.3.2.1 Using the RF attenuator

The first tool provided by the R&S ESW to control measurement sensitivity is the RF
attenuator.

The RF attenuator is available in all hardware configurations of the R&S ESW.

Attenuation has the following effects on the measurement:

●

High attenuation protects the input mixer: the main purpose of the attenuator is to
protect the input mixer.

●

High attenuation makes sure that the measurement results are reliable (signals
that are stronger than allowed can distort the results)

●

High attenuation helps you to avoid intermodulation

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Configuration

Amplitude

●

High attenuation increases inherent noise (i.e. the noise floor) and thus decreases
measurement sensitivity: if you increase attenuation by 10 dB, the sensitivity is
reduced by 10 dB (in other words: the displayed noise increases by 10 dB)

Depending on the required test setup, a compromise must be found between a high
sensitivity, low intermodulation and input mixer protection. Optimally, let the R&S ESW
determine the ideal attenuation automatically.

You can determine the attenuation automatically with the auto ranging feature in the
receiver application and the auto attenuation feature in the other applications. Deter­mining the attenuation automatically might not necessarily utilize the maximum
dynamic range, but still yields valid and reliable results.

When you select the attenuation manually and are measuring unknown signals, espe­cially DUTs with a high RFI voltage, always select the highest possible attenuation
level before you apply the signal.

If you need a better sensitivity or signal-to-noise ratio, make sure that the applied sig­nal does not exceed the specified limits, before you lower the attenuation.

For further protection of the input mixer, the R&S ESW does not allow you to select
attenuation levels of less than 10 dB unless you explicitly turn on this feature ("10 dB

Minimum Attenuation").

Risk of damage to the input mixer

●

Do not apply a 0 dB attenuation when you measure unknown signals or RFI volt­age in combination with an artificial network (LISN).
During phase switching, such test setups generate very strong pulses which can
damage the input mixer.

●

When you allow attenuation of less than 10 dB in combination with auto ranging,
make sure that the signal level at the RF input does not exceed the allowed limits.
Exceeding the limits can damage the input mixer.

5.3.2.2 Using the preamplifier

The second tool that allows you to control measurement sensitivity is the preamplifier.

In addition to the standard preamplifier available in every R&S ESW, an additional low
noise amplifier is available as an optional component (R&S ESW-B24).

Signal gain has the following effects on the measurement:

●

The preamplifier allows you to detect even weak signals.

●

The preamplifier reduces the noise figure of the R&S ESW and thus increases its
sensitivity. Thus, it is recommended to use the preamplifier for measurements that
require maximum sensitivity.

●

The preamplifier reduces the dynamic range. To perform a measurement using the
maximum dynamic range, turn off the preamplifier.

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5.3.2.3 Using the preselector

Configuration

Amplitude

●

The preamplifier is located after the preselection filters, reducing the risk of over­loading the input mixer by strong out-of-band signals.

●

The optional low noise amplifier is located in front of the preselection filters which
increases the measurement sensitivity.

The gain of the preamplifier is automatically considered in the level display. The disad­vantage of a lower large-signal immunity (intermodulation) is reduced by the "preselec­tor".

The "preselector" is another tool to control measurement sensitivity.

Preselection has the following effects on the measurement:

●

Preselection rejects most of the spectral energy which helps to protect the input
mixer and thus makes sure that the measurement results are valid and reliable.

●

Preselection filters out signals that you do not want to be displayed (selectivity) and
thus allows you to analyze only the frequency range you are interested in.

The "preselector" of the R&S ESW consists of several filters which are automatically
applied during measurements. The filter that is used depends on the frequency that is
currently measured. You can see the list of filters and the progress in the "Preselector"
result display. The currently applied filter is indicated by a green LED, filters that are
outside the scan range are ignored.

Figure 5-1: Preselector result display. The green LED indicates the currently applied filter.

In the frequency range from 150 kHz to 30 MHz, you can preselect in a single stage
(150 kHz to 30 MHz). Or, you can split the preselection into two stages, each of which
applies a separate filter: one from 150 kHz to 2 MHz, and another from 2 MHz to
30 MHz.

In addition, the R&S ESW provides several notch filters to suppress certain frequency
ranges completely.

Using the "preselector"

Switching the filters is a mechanical process. Avoid excessive filters switches, because
the hardware can wear out.

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5.4 Frequency

Configuration

Frequency

Note that results in a frequency band are only displayed if there is at least one valid
measurement point in the corresponding range. If a particular measurement point is
captured by more than one filter, the R&S ESW displays the combined results.

Notch filter

The R&S ESW provides additional notch filters that suppress signals in the frequency
bands from 2.4 GHz to 2.5 GHz and 5.725 GHz to 5.875 GHz.

Access: "Overview" > "Frequency"

Frequency settings for the input signal can be configured via the "Frequency" dialog
box, which is displayed when you do one of the following:

The remote commands required to configure the frequency are described in Chap-

ter 8.5.4, "Frequency configuration", on page 78.

Center Frequency......................................................................................................... 29

Center Frequency Stepsize...........................................................................................30

Frequency Offset...........................................................................................................30

Tuned Frequency..........................................................................................................30

Center Frequency

Defines the center frequency of the signal in Hertz.
The allowed range of values for the center frequency depends on the frequency span.
span > 0: span

f

and span

max

/2 ≤ f

min

depend on the instrument and are specified in the data sheet.

min

center

≤ f

max

– span

min

/2

If the center frequency is within an undefined CISPR frequency region, it has to be set
according to the following table to be inside a valid band again:

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Configuration

Frequency

Table 5-1: Center frequency bands

2.4 GHz < f < 2.45 GHz (no CISPR band) set f to 2.4 GHz - Span / 2 (next valid band below
the gap)

2.45 GHz <= f < 2.5 GHz (no CISPR band) set f to 2.5 GHz + Span / 2 (next valid band above
the gap)

5.725 GHz < f < 5.8 GHz (no CISPR band) set f to 5.725 GHz - Span / 2 (next valid band below
the gap)

5.8 GHz <= f < 5.875 GHz (no CISPR band) set f to 5.875 GHz + Span / 2 (next valid band
above the gap)

Remote command:

[SENSe:]FREQuency:CENTer on page 78

Center Frequency Stepsize

Defines the step size by which the center frequency is increased or decreased using
the arrow keys.

When you use the rotary knob the center frequency changes in steps of only 1/10 of
the span.

The step size can be coupled to another value or it can be manually set to a fixed
value.

"Manual"

Defines a fixed step size for the center frequency. Enter the step size
in the "Value" field.

Remote command:

[SENSe:]FREQuency:CENTer:STEP on page 78

Frequency Offset

Shifts the displayed frequency range along the x-axis by the defined offset.
This parameter has no effect on the instrument's hardware, on the captured data, or on

data processing. It is simply a manipulation of the final results in which absolute fre­quency values are displayed. Thus, the x-axis of a spectrum display is shifted by a
constant offset if it shows absolute frequencies. However, if it shows frequencies rela­tive to the signal's center frequency, it is not shifted.

A frequency offset can be used to correct the display of a signal that is slightly distorted
by the measurement setup, for example.

The allowed values range from -1 THz to 1 THz. The default setting is 0 Hz.
Remote command:

[SENSe:]FREQuency:OFFSet on page 78

Tuned Frequency

Defines the currently selected measurement frequency as a positive or negative devia­tion from the selected center frequency. The Tuned Frequency line can also be moved
by drag and drop. By default, the Tuned Frequency is equal to the Center Frequency
when the Multi CISPR APD application is started.

Remote command:

[SENSe:]FREQuency:TUNed on page 79

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5.5 Trigger

5.5.1 Trigger source settings

Configuration

Trigger

Access: "Overview" > "Trigger"

Triggering means to capture the interesting part of the signal. Choosing the right trigger
type and configuring all trigger settings correctly allows you to detect various incidents
in your demodulated signals.

Optionally, the trigger signal used by the R&S ESW can be output to a connected
device, and an external trigger signal from a connected device can be used by the
R&S ESW.

For more information, refer to the description of the Spectrum application in User Man­ual of the R&S ESW.

● Trigger source settings............................................................................................31

● Trigger input and output settings.............................................................................33

Access: "Overview" > "Trigger" > "Trigger Source"

Trigger Source...............................................................................................................31

└ Free Run.........................................................................................................31

└ Ext. Trigger 1/2............................................................................................... 31

Trigger Level................................................................................................................. 32

Trigger Offset................................................................................................................ 32

Drop-Out Time...............................................................................................................32

Slope.............................................................................................................................32

Trigger Holdoff...............................................................................................................32

Trigger Source

In the Multi CISPR APD application, the next measurement can be triggered if the
selected input signal exceeds the threshold specified using the "Trigger Level" setting
(see "Trigger Level" on page 32).

Remote command:

TRIGger<tp>[:SEQuence]:SOURce on page 79

Free Run ← Trigger Source

No trigger source is considered. Data acquisition is started manually or automatically
and continues until stopped explicitly.

In its default state, the R&S ESW performs free run measurements.
Remote command:

TRIGger<tp>[:SEQuence]:SOURce on page 79

Ext. Trigger 1/2 ← Trigger Source

Data acquisition starts when the TTL signal fed into the specified input connector
meets or exceeds the specified trigger level.

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Configuration

Trigger

Note: The "External Trigger 1" softkey automatically selects the trigger signal from the
"TRIGGER 1 INPUT" connector on the front panel.

For details, see the "Instrument Tour" chapter in the R&S ESW Getting Started manual.
"External Trigger 1"

Trigger signal from the "TRIGGER 1 INPUT" connector.

"External Trigger 2"

Trigger signal from the "TRIGGER 2 INPUT / OUTPUT" connector.

"External Trigger 3"

Trigger signal from the "TRIGGER 3 INPUT / OUTPUT" connector on
the rear panel.

Remote command:

TRIGger<tp>[:SEQuence]:SOURce on page 79

Trigger Level

Defines the trigger level for the specified trigger source.
For details on supported trigger levels, see the instrument data sheet.
Remote command:

TRIGger<tp>[:SEQuence]:LEVel[:EXTernal] on page 79

Trigger Offset

Defines the time offset between the trigger event and the start of the measurement.

Offset > 0: Start of the measurement is delayed

Offset < 0: Measurement starts earlier (pretrigger)

Remote command:

TRIGger<tp>[:SEQuence]:HOLDoff[:TIME] on page 80

Drop-Out Time

Defines the time that the input signal must stay below the trigger level before triggering
again.

Remote command:

TRIGger[:SEQuence]:DTIMe on page 80

Slope

For all trigger sources except time, you can define whether triggering occurs when the
signal rises to the trigger level or falls down to it.

Remote command:

TRIGger<tp>[:SEQuence]:SLOPe on page 81

Trigger Holdoff

Defines the minimum time (in seconds) that must pass between two trigger events.
Trigger events that occur during the holdoff time are ignored.

Remote command:

TRIGger[:SEQuence]:IFPower:HOLDoff on page 81

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5.5.2 Trigger input and output settings

Configuration

Measurement settings

Access: "Overview" > "Trigger" > "Trigger In/Out"

Trigger 2/3

Defines the usage of the variable Trigger Input/Output connectors, where:
"Trigger 2": Trigger Input/Output connector on the front panel
"Trigger 3": Trigger 3 Input/Output connector on the rear panel
(Trigger 1 is INPUT only.)
Providing trigger signals as output is described in detail in the R&S ESW User Manual.
"Input"

"Output"

Remote command:

OUTPut<up>:TRIGger<tp>:DIRection on page 81

The signal at the connector is used as an external trigger source by
the R&S ESW. Trigger input parameters are available in the "Trigger"
dialog box.

The R&S ESW sends a trigger signal to the output connector to be
used by connected devices.
Further trigger parameters are available for the connector.

5.6 Measurement settings

Access: "Meas Config" > "Meas Settings"

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Configuration

Measurement settings

The remote commands required to define these settings are described in Chap-

ter 8.5.6, "Measurement settings", on page 82.

Center Frequency

Defines the center frequency of the signal in Hertz.
The allowed range of values for the center frequency depends on the frequency span.
span > 0: span

f

and span

max

/2 ≤ f

min

depend on the instrument and are specified in the data sheet.

min

center

≤ f

max

– span

min

/2

If the center frequency is within an undefined CISPR frequency region, it has to be set
according to the following table to be inside a valid band again:

Table 5-2: Center frequency bands

2.4 GHz < f < 2.45 GHz (no CISPR band) set f to 2.4 GHz - Span / 2 (next valid band below
the gap)

2.45 GHz <= f < 2.5 GHz (no CISPR band) set f to 2.5 GHz + Span / 2 (next valid band above
the gap)

5.725 GHz < f < 5.8 GHz (no CISPR band) set f to 5.725 GHz - Span / 2 (next valid band below
the gap)

5.8 GHz <= f < 5.875 GHz (no CISPR band) set f to 5.875 GHz + Span / 2 (next valid band
above the gap)

Remote command:

[SENSe:]FREQuency:CENTer on page 78

Predefined Settings

The predefined settings area provides functionality to load and save predefined mea­surement settings or standards.

The predefined settings do not include the center frequency. All other parameters of
the measurement settings are included, together with the evaluation table.

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Configuration

Measurement settings

Load Prede­fined Settings

Save Prede­fined Settings

Remote command:

[SENSe:]MAPD[:STANdard]:LOAD on page 82
[SENSe:]MAPD[:STANdard]:SAVE on page 82

Measurement Settings

The measurement settings area provides functionality to define the parameters of the
measurement.

If parameters in the measurement settings are changed in a way that they no longer
correspond to the evaluation table, the corresponding column in the table is grayed
out.

No of Chan­nels

Span
Analysis Band-

width
Acquisition

Time
Generate Eval-

uation Table
from Measure­ment Settings

Adjust Center
Frequency to
not exceed
CISPR Band
Edges

Remote command:

[SENSe:]MAPD:NCHannels on page 83
[SENSe:]FREQuency:SPAN on page 83
[SENSe:]BANDwidth[:RESolution] on page 83
[SENSe:]SWEep:TIME on page 83
[SENSe:]MAPD:CHANnel<n>:POPulate on page 84
[SENSe:]MAPD:FADJust on page 84

The button "Load Predefined Settings" opens the file load dialog with
the default directory of standard files: C:\R_S\INSTR\mapd_std.
You can select one of the standards that are stored here. The firm­ware, in default case, provides the standard file
CISPR_11_Ed.6.2.xml. The standard can only be loaded if the
Center Frequency is 1 GHz >= f <= 2,4 GHz, 2,5 GHz >= f <= 5,72
GHz and 5,88 GHz >= f <= 18 GHz.

The button "Save Predefined Settings" saves the current settings
(Measurement Settings except Center Frequency + Evaluation Set­tings) to a user-selected standard file. The default directory for the
save dialog is C:\R_S\INSTR\mapd_std.

Defines the number of measurement channels.

Defines the measurement span.
Defines the analysis bandwidth for the measurement.

Defines the acquisition time for the measurement.

Takes the user set center frequency, span and analysis bandwidth
and populates the evaluation table out of these values.

Provides functionality to resolve CISPR band selection issues.
If the center frequency exceeds the CISPR band egdes, a yellow
warning message is displayed in the status bar.

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5.7 Evaluation table

Configuration

Evaluation table

Access: "Meas Config" > "Evaluation Settings"

The remote commands required to define these settings are described in Chap-

ter 8.5.7, "Evaluation table", on page 84.

Evaluation Table

The evaluation table is populated by pressing the Populate All Channels to Evaluation

Settings button in the Measurement Settings tab.

If parameters in the measurement settings are changed in a way that they no longer
correspond to the limit table, the corresponding column in the table is grayed out.

Evaluation
Insert Left
Insert Right
Delete
Load Table

Save Table

Clear Table

Generate Eval­uation Table
from Measure­ment Settings

Remote command:

[SENSe:]MAPD:CHANnel<n>:CLEar on page 84
[SENSe:]MAPD:CHANnel<n>:COUNt? on page 85

Turns the evaluation on and off.
Inserts a new column on the left side of the selected column.
Inserts a new column on the right side of the selected column.
Deletes the selected column.
Loads an existing table from an XML file in the specified location. The

default path is <USER_ROOT>\MultiApd.
Saves the table in XML format to the specified location. The default

path is <USER_ROOT>\MultiApd.
Clears all columns except for the one at center frequency from the

table.
See "Measurement Settings" on page 35.

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5.8 Display configuration

Configuration

Sweep settings

[SENSe:]MAPD:CHANnel<n>:DELete on page 85
[SENSe:]MAPD:CHANnel<n>:ELIMit on page 85
[SENSe:]MAPD:CHANnel<n>:EMARgin on page 85
[SENSe:]MAPD:CHANnel<n>:EVALuation on page 86
[SENSe:]MAPD:CHANnel<n>:INSert on page 86
[SENSe:]MAPD:CHANnel<n>:LOAD on page 86
[SENSe:]MAPD:CHANnel<n>:PLIMit on page 87
[SENSe:]MAPD:CHANnel<n>:PMARgin on page 87
[SENSe:]MAPD:CHANnel<n>:POPulate on page 84
[SENSe:]MAPD:CHANnel<n>:RFRequency on page 87
[SENSe:]MAPD:CHANnel<n>:SAVE on page 88

Access: "Overview" > "Display Config"

The signal can be displayed using various evaluation methods. All evaluation methods
available for the current application are displayed in the evaluation bar in SmartGrid
mode.

For a description of the available evaluation methods see Chapter 3, "Measurements

and result displays", on page 13.

5.9 Sweep settings

The sweep settings provide functionality to switch between a single measurement and
a continuous measurement.

Continuous Sweep / Run Cont

While the measurement is running, the "Continuous Sweep" softkey and the [RUN
CONT] key are highlighted. The running measurement can be aborted by selecting the
highlighted softkey or key again. The results are not deleted until a new measurement
is started.

Note: Sequencer. Furthermore, the [RUN CONT] key controls the Sequencer, not indi­vidual sweeps. [RUN CONT] starts the Sequencer in continuous mode.

Remote command:
Measurement mode: INITiate<n>:CONTinuous on page 88
Run measurement: INITiate<mt>[:IMMediate] on page 88

Single Sweep / Run Single

Initiates a single measurement. If measurement parameters were changed after the
previous sweep, the results of the previous sweep are cleared when a new sweep is
started.

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5.10 Transducer

Configuration

Transducer

While the measurement is running, the "Single Sweep" softkey and the [RUN SINGLE]
key are highlighted. The running measurement can be aborted by selecting the high­lighted softkey or key again.

Note: Sequencer. Furthermore, the [RUN SINGLE] key controls the Sequencer, not
individual sweeps. [RUN SINGLE] starts the Sequencer in single mode.
If the Sequencer is off, only the evaluation for the currently displayed channel is upda­ted.

Remote command:
Measurement mode: INITiate<n>:CONTinuous on page 88
Run measurement: INITiate<mt>[:IMMediate] on page 88

Many EMC test setups contain a transducer (for example antennas, cables, probes or
current probes). The transducer converts the interference variables like field strength,
current or RFI voltage into a voltage across 50 Ω. Because most transducers have a
characteristic frequency response, it is necessary to correct the measurement results
by the frequency characteristics of the transducer. These characteristics are defined in
a transducer factor or transducer sets.

For more information on how to use transducers and how to work them, refer to the
R&S ESW user manual.

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6 Analysis

Analysis

Trace / data export configuration

Access

●

"Overview" > "Analysis"

General result analysis settings concerning the trace, markers, lines etc. are similar to
the analysis functions in the Spectrum application, except for the features described
here.

For more information, refer to the R&S ESW User Manual.

● Trace / data export configuration............................................................................ 39

● Marker settings........................................................................................................40

● APD display configuration.......................................................................................41

● Scaling.................................................................................................................... 41

● Test reports............................................................................................................. 43

6.1 Trace / data export configuration

Access: "Trace" > "Trace / Data Export"

The standard data management functions (e.g. saving or loading instrument settings)
that are available for all R&S ESW applications are not described here.

See the R&S ESW base unit user manual for a description of the standard functions.

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Analysis

Marker settings

Export all Traces and all Table Results.........................................................................40

Include Instrument & Measurement Settings................................................................ 40

Export All Traces for Selected Graph............................................................................40

Trace to Export..............................................................................................................40

Decimal Separator........................................................................................................ 40

Export all Traces and all Table Results

Selects all displayed traces and result tables (e.g. "Result Summary", marker table
etc.) in the current application for export to an ASCII file.

Alternatively, you can select one specific trace only for export (see Trace to Export).
The results are output in the same order as they are displayed on the screen: window

by window, trace by trace, and table row by table row.
Remote command:

FORMat:DEXPort:TRACes on page 90

Include Instrument & Measurement Settings

Includes additional instrument and measurement settings in the header of the export
file for result data.

Remote command:

FORMat:DEXPort:HEADer on page 90

Export All Traces for Selected Graph

Includes all traces for the currently selected graphical result display in the export file.
Remote command:

FORMat:DEXPort:GRAPh on page 90

Trace to Export

Defines an individual trace to be exported to a file.
This setting is not available if Export all Traces and all Table Results is selected.

Decimal Separator

Defines the decimal separator for floating-point numerals for the data export/import
files. Evaluation programs require different separators in different languages.

Remote command:

FORMat:DEXPort:DSEParator on page 91

6.2 Marker settings

Access: "Overview" > "Analysis" > "Marker"

For more information, refer to the user manual of the R&S ESW.

Percent Marker

Defines a probability value. Thus, the power which is exceeded with a given probability
can be determined very easily. If marker 1 is deactivated, it is switched on automati­cally.

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6.3 APD display configuration

Remote command:

CALCulate<n>:MARKer<m>:Y:PERCent on page 92

Access

●

"Marker Config" > "APD Display Configuration"

Analysis

Scaling

Multi APD Display

The Multi APD result display can either be configured to display a "Flat" 2-dimensional
power vs. frequency diagram or a "3D" 3-dimensional power vs. frequency vs. proba­bility diagram.

Remote command:

CALCulate<n>:SGRam:THReedim[:STATe] on page 92
CALCulate<n>:SPECtrogram:THReedim[:STATe] on page 92

Show 3D Limits

The Show 3D limits switch enables and disables the limits on the 3D plot. If Tuned Fre­quency is selected, only the limits on the Tuned Frequency are shown.

Remote command:

CALCulate<n>:SGRam:THReedim:LIMits on page 93
CALCulate<n>:SPECtrogram:THReedim:LIMits on page 93

Multi APD Color Mapping

Opens the dialog for color scheme settings. The dialog is similar to the "Color Mapping
Spectrogram" dialog in the R&S ESW-B1 spectrum application. Refer to the
R&S ESW-B1 user manual for further information.

6.4 Scaling

Access

●

"Marker Config" > "Scaling"

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Analysis

Scaling

The R&S ESW Multi CISPR APD application offers a configurable scaling functionality.
The functionality is provided for X-axis (Frequency), Y-axis (Power) and Z-axis (Proba­bility) in the Multi APD result display as well as for X-axis (Power) and Y-axis (Probabil­ity) in the CISPR APD at Tuned Frequency result display. The respective axis can be
selected through a tab on the left side of the "Scaling" dialog. The configuration is simi­lar for all three coordinate axes.

Automatic grid scaling

If "Automatic grid scaling" is activated, the R&S ESW automatically determines the
optimal range and reference level position to be displayed for the current measurement
settings.

The "Auto Scale Once" function scales the display only once; it is not adapted further if
the measurement settings are changed again.

Remote command:

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:AUTO

on page 93

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:AUTO

on page 94

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:AUTO on page 94

Scaling according to min and max values

If Automatic grid scaling is deactivated, scaling parameters consisting of minimum and
maximum values can be defined for each axis.

Remote command:

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MINimum

on page 95

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MAXimum

on page 95

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MINimum

on page 96

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6.5 Test reports

Analysis

Test reports

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MAXimum

on page 96

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MINimum on page 97
DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MAXimum on page 97

The R&S ESW provides specific test report templates for Multi APD and CISPR APD
measurements.

For more information on how to create test reports and how to work with templates,
refer to the R&S ESW user manual.

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7 How to run a Multi CISPR APD measure-

How to run a Multi CISPR APD measurement

ment

This chapter gives an example on how to run a Multi CISPR APD Measurement in a
remote environment.

//------Preparing the instrument and setting up scan table ----------

*RST

// Configure the scan table according to your needs

// (For scan table configuration, see R&S ESW user manual)

// Start scan

// Marker to peak

CALCulate:MARKer:MAXimum:PEAK

// Tune to marker

CALCulate:MARKer:FUNCtion:CENTer

// ------ Multi CISPR APD settings for standard CISPR 11 Ed.6.2. ------

// Switch to Multi CISPR APD

INSTrument:SELect MAPD

// Switch to run single

INITiate:CONTinuous Off

// Load standard settings for CISPR 11 Ed.6.2.

SENSe:MAPD:STANdard:LOAD "CISPR_11_Ed.6.2.xml"

// Start a measurement

INITiate:IMMediate

// Query the results

FETCh:SUMMary:ALL?

// Add the results to a report

HCOPy:MODE REPort

HCOPy:TREPort:APPend

// ------- Optional: Multi CISPR APD Settings without CISPR standard ------

// Change the analysis bandwidth

SENSe:BANDwidth:RESolution 167e3

// Change number of channels

SENSe:MAPD:NCHannels 67

// Change the sweep time

SENSe:SWEep:TIME 10s

// Populate the channels to the evaluation table

SENSe:MAPD:CHAN:POPulate

// Start a measurement to execute the changes

INITiate:IMMediate

// In evaluation table, clear the list

SENSe:MAPD:CHANnel1:CLEar

// In evaluation table, add a channel left to the middle channel

SENSe:MAPD:CHANnel1:INSert BEFore

// In evaluation table, add a channel right to the middle channel

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How to run a Multi CISPR APD measurement

SENSe:MAPD:CHANnel2:INSert AFTer

// Change the P limit for channel 3

SENSe:MAPD:CHANnel3:PLIMit 40

// Change the E limit for channel 1

SENSe:MAPD:CHANnel1:ELIMit 1e-5

// Start a measurement to execute the changes

INITiate:IMMediate

// Query the results for all

FETCh:SUMMary:ALL?

// Query the result for the delta to P limit for all channels

FETCh:SUMMary:DPLimit:ALL?

// Query the result for the delta to E limit for all channels

FETCh:SUMMary:DELimit:ALL?

// Query the result of the peak measurment for channel 2

FETCh:SUMMary2:PEAK?

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8 Remote commands for Multi CISPR APD

8.1 Introduction

Remote commands for Multi CISPR APD measurements

Introduction

measurements

The following commands are specific to performing measurements in the Multi CISPR
APD application in a remote environment. The R&S ESW must already be set up for
remote operation in a network as described in the base unit manual.

● Introduction............................................................................................................. 46

● Common suffixes.................................................................................................... 51

● Application selection............................................................................................... 51

● Result display configuration.................................................................................... 55

● Configuration...........................................................................................................70

● Analysis...................................................................................................................89

Commands are program messages that a controller (e.g. a PC) sends to the instru­ment or software. They operate its functions ('setting commands' or 'events') and
request information ('query commands'). Some commands can only be used in one
way, others work in two ways (setting and query). If not indicated otherwise, the com­mands can be used for settings and queries.

The syntax of a SCPI command consists of a header and, usually, one or more param­eters. To use a command as a query, you have to append a question mark after the
last header element, even if the command contains a parameter.

A header contains one or more keywords, separated by a colon. Header and parame­ters are separated by a "white space" (ASCII code 0 to 9, 11 to 32 decimal, e.g. blank).
If there is more than one parameter for a command, they are separated by a comma
from one another.

Only the most important characteristics that you need to know when working with SCPI
commands are described here. For a more complete description, refer to the user
manual of the R&S ESW.

Remote command examples

Note that some remote command examples mentioned in this general introduction are
possibly not supported by this particular application.

8.1.1 Conventions used in descriptions

The following conventions are used in the remote command descriptions:

●

Command usage

If not specified otherwise, commands can be used both for setting and for querying
parameters.

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Remote commands for Multi CISPR APD measurements

Introduction

If a command can be used for setting or querying only, or if it initiates an event, the
usage is stated explicitly.

●

Parameter usage

If not specified otherwise, a parameter can be used to set a value and it is the
result of a query.
Parameters required only for setting are indicated as Setting parameters.
Parameters required only to refine a query are indicated as Query parameters.
Parameters that are only returned as the result of a query are indicated as Return
values.

●

Conformity
Commands that are taken from the SCPI standard are indicated as SCPI con­firmed. All commands used by the R&S ESW follow the SCPI syntax rules.

●

Asynchronous commands

A command which does not automatically finish executing before the next com­mand starts executing (overlapping command) is indicated as an Asynchronous
command.

●

Reset values (*RST)

Default parameter values that are used directly after resetting the instrument (*RST
command) are indicated as *RST values, if available.

●

Default unit

The default unit is used for numeric values if no other unit is provided with the
parameter.

●

Manual operation

If the result of a remote command can also be achieved in manual operation, a link
to the description is inserted.

8.1.2 Long and short form

The keywords have a long and a short form. You can use either the long or the short
form, but no other abbreviations of the keywords.

The short form is emphasized in uppercase letters. Note however, that this emphasis
only serves the purpose to distinguish the short from the long form in the manual. For
the instrument, the case does not matter.

Example:

SENSe:FREQuency:CENTer is the same as SENS:FREQ:CENT.

8.1.3 Numeric suffixes

Some keywords have a numeric suffix if the command can be applied to multiple
instances of an object. In that case, the suffix selects a particular instance (e.g. a mea­surement window).

Numeric suffixes are indicated by angular brackets (<n>) next to the keyword.

If you do not quote a suffix for keywords that support one, a 1 is assumed.

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8.1.4 Optional keywords

Remote commands for Multi CISPR APD measurements

Introduction

Example:

DISPlay[:WINDow<1...4>]:ZOOM:STATe enables the zoom in a particular mea­surement window, selected by the suffix at WINDow.

DISPlay:WINDow4:ZOOM:STATe ON refers to window 4.

Some keywords are optional and are only part of the syntax because of SCPI compli­ance. You can include them in the header or not.

If an optional keyword has a numeric suffix and you need to use the suffix, you have to
include the optional keyword. Otherwise, the suffix of the missing keyword is assumed
to be the value 1.

Optional keywords are emphasized with square brackets.

Example:

Without a numeric suffix in the optional keyword:
[SENSe:]FREQuency:CENTer is the same as FREQuency:CENTer
With a numeric suffix in the optional keyword:

DISPlay[:WINDow<1...4>]:ZOOM:STATe
DISPlay:ZOOM:STATe ON enables the zoom in window 1 (no suffix).
DISPlay:WINDow4:ZOOM:STATe ON enables the zoom in window 4.

8.1.5 Alternative keywords

A vertical stroke indicates alternatives for a specific keyword. You can use both key­words to the same effect.

Example:

[SENSe:]BANDwidth|BWIDth[:RESolution]

In the short form without optional keywords, BAND 1MHZ would have the same effect
as BWID 1MHZ.

8.1.6 SCPI parameters

Many commands feature one or more parameters.

If a command supports more than one parameter, they are separated by a comma.

Example:

LAYout:ADD:WINDow Spectrum,LEFT,MTABle

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8.1.6.1 Numeric values

Remote commands for Multi CISPR APD measurements

Introduction

Parameters can have different forms of values.

● Numeric values....................................................................................................... 49

● Boolean...................................................................................................................50

● Character data........................................................................................................ 50

● Character strings.....................................................................................................50

● Block data............................................................................................................... 50

Numeric values can be entered in any form, i.e. with sign, decimal point or exponent.
For physical quantities, you can also add the unit. If the unit is missing, the command
uses the basic unit.

Example:

With unit: SENSe:FREQuency:CENTer 1GHZ
Without unit: SENSe:FREQuency:CENTer 1E9 would also set a frequency of 1 GHz.

Values exceeding the resolution of the instrument are rounded up or down.

If the number you have entered is not supported (e.g. for discrete steps), the command
returns an error.

Instead of a number, you can also set numeric values with a text parameter in special
cases.

●

MIN/MAX
Defines the minimum or maximum numeric value that is supported.

●

DEF
Defines the default value.

●

UP/DOWN
Increases or decreases the numeric value by one step. The step size depends on
the setting. Sometimes, you can customize the step size with a corresponding
command.

Querying numeric values

When you query numeric values, the system returns a number. For physical quantities,
it applies the basic unit (e.g. Hz for frequencies). The number of digits after the decimal
point depends on the type of numeric value.

Example:

Setting: SENSe:FREQuency:CENTer 1GHZ
Query: SENSe:FREQuency:CENTer? would return 1E9

Sometimes, numeric values are returned as text.

●

INF/NINF
Infinity or negative infinity. Represents the numeric values 9.9E37 or -9.9E37.

●

NAN

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8.1.6.2 Boolean

Remote commands for Multi CISPR APD measurements

Introduction

Not a number. Represents the numeric value 9.91E37. NAN is returned if errors
occur.

Boolean parameters represent two states. The "on" state (logically true) is represented
by "ON" or the numeric value 1. The "off" state (logically untrue) is represented by
"OFF" or the numeric value 0.

Querying Boolean parameters

When you query Boolean parameters, the system returns either the value 1 ("ON") or
the value 0 ("OFF").

Example:

Setting: DISPlay:WINDow:ZOOM:STATe ON
Query: DISPlay:WINDow:ZOOM:STATe? would return 1

8.1.6.3 Character data

Character data follows the syntactic rules of keywords. You can enter text using a short
or a long form. For more information, see Chapter 8.1.2, "Long and short form",
on page 47.

Querying text parameters

When you query text parameters, the system returns its short form.

Example:

Setting: SENSe:BANDwidth:RESolution:TYPE NORMal
Query: SENSe:BANDwidth:RESolution:TYPE? would return NORM

8.1.6.4 Character strings

Strings are alphanumeric characters. They have to be in straight quotation marks. You
can use a single quotation mark ( ' ) or a double quotation mark ( " ).

Example:

INSTRument:DELete 'Spectrum'

8.1.6.5 Block data

Block data is a format which is suitable for the transmission of large amounts of data.

The ASCII character # introduces the data block. The next number indicates how many
of the following digits describe the length of the data block. The data bytes follow. Dur­ing the transmission of these data bytes, all end or other control signs are ignored until

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8.2 Common suffixes

Remote commands for Multi CISPR APD measurements

Application selection

all bytes are transmitted. #0 specifies a data block of indefinite length. The use of the
indefinite format requires an NL^END message to terminate the data block. This format
is useful when the length of the transmission is not known or if speed or other consid­erations prevent segmentation of the data into blocks of definite length.

In the Multi CISPR APD application, the following common suffixes are used in remote
commands:

Table 8-1: Common suffixes used in remote commands in the Multi CISPR APD application

Suffix Value range Description

<m> 1..16 Marker

<n> 1..16 Window (in the currently selected channel)

<t> 1..6 Trace

<li> 1 to 8 Limit line

<i> 1..3 Selects one of the analog output channels (1, 2 or Phones).

<k> 1..8 (Limit line)

1 | 2 (Display line)

<peak> 1..3000 Selects a peak.

Selects a limit or display line.

Selecting windows in multiple channels

Note that the suffix <n> always refers to a window in the currently selected channel.

8.3 Application selection

INSTrument:CREate:DUPLicate........................................................................................ 51

INSTrument:CREate[:NEW].............................................................................................. 52

INSTrument:CREate:REPLace..........................................................................................52

INSTrument:DELete......................................................................................................... 53

INSTrument:LIST?........................................................................................................... 53

INSTrument:REName.......................................................................................................53

INSTrument[:SELect]........................................................................................................54

SYSTem:PRESet:CHANnel[:EXEC]................................................................................... 54

INSTrument:CREate:DUPLicate

This command duplicates the currently selected channel, i.e creates a new channel of
the same type and with the identical measurement settings. The name of the new
channel is the same as the copied channel, extended by a consecutive number (e.g.
"IQAnalyzer" -> "IQAnalyzer 2").

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Remote commands for Multi CISPR APD measurements

Application selection

The channel to be duplicated must be selected first using the INST:SEL command.

Example:

Usage: Event

INSTrument:CREate[:NEW] <ChannelType>, <ChannelName>

This command adds a measurement channel. You can configure up to 10 measure­ment channels at the same time (depending on available memory).

Parameters:

<ChannelType> Channel type of the new channel.

<ChannelName> String containing the name of the channel.

Example:

INST:SEL 'Receiver'
INST:CRE:DUPL

Duplicates the channel named 'Receiver' and creates a new
channel named 'Receiver 2'.

For a list of available channel types, see INSTrument:LIST?
on page 53.

Note that you cannot assign an existing channel name to a new
channel. If you do, an error occurs.

INST:CRE SAN, 'Spectrum 2'

Adds a spectrum display named "Spectrum 2".

INSTrument:CREate:REPLace <ChannelName1>,<ChannelType>,<ChannelName2>

This command replaces a channel with another one.

Setting parameters:

<ChannelName1> String containing the name of the channel you want to replace.

<ChannelType> Channel type of the new channel.

For a list of available channel types, see INSTrument:LIST?
on page 53.

<ChannelName2> String containing the name of the new channel.

Note: If the specified name for a new channel already exists, the
default name, extended by a sequential number, is used for the
new channel (see INSTrument:LIST? on page 53).
Channel names can have a maximum of 31 characters, and
must be compatible with the Windows conventions for file
names. In particular, they must not contain special characters
such as ":", "*", "?".

Example:

Usage: Setting only

INST:CRE:REPL 'Receiver',REC,'REC2'

Replaces the channel named "Receiver" by a new channel of
type "Receiver" named "REC2".

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Remote commands for Multi CISPR APD measurements

Application selection

INSTrument:DELete <ChannelName>

This command deletes a channel.

If you delete the last channel, the default "Receiver" channel is activated.

Setting parameters:

<ChannelName> String containing the name of the channel you want to delete.

A channel must exist to delete it.

Example:

INST:DEL 'Receiver'

Deletes the channel with the name 'Receiver'.

Usage: Setting only

INSTrument:LIST?

This command queries all active channels. The query is useful to obtain the names of
the existing channels, which are required to replace or delete the channels.

Return values:

<ChannelType>,
<ChannelName>

For each channel, the command returns the channel type and
channel name (see tables below).
Tip: to change the channel name, use the INSTrument:

REName command.

Example:

INST:LIST?

Result for 2 channels:

'REC','Receiver','REC','Receiver 2'

Usage: Query only

Table 8-2: Available channel types and default channel names

Application <ChannelType> Parameter Default Channel Name*)

Receiver RECeiver Receiver

CISPR APD n/a CISPR APD

Multi CISPR APD MAPD Multi CISPR APD

Spectrum SANalyzer Spectrum

I/Q Analyzer IQ IQ Analyzer

"Real-Time Spectrum" RTIM "Real-Time Spectrum"

Analog Modulation Analy­sis

Note: the default channel name is also listed in the table. If the specified name for a new channel already
exists, the default name, extended by a sequential number, is used for the new channel.

ADEMod Analog Demod

INSTrument:REName <ChannelName1>, <ChannelName2>

This command renames a channel.

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Remote commands for Multi CISPR APD measurements

Application selection

Setting parameters:

<ChannelName1> String containing the name of the channel you want to rename.

<ChannelName2> String containing the new channel name.

Note that you cannot assign an existing channel name to a new
channel. If you do, an error occurs.
Channel names can have a maximum of 31 characters, and
must be compatible with the Windows conventions for file
names. In particular, they must not contain special characters
such as ":", "*", "?".

Example:

Usage: Setting only

INSTrument[:SELect] <ChannelType> | <ChannelName>

This command activates a new channel with the defined channel type, or selects an
existing channel with the specified name.

Also see

●

INSTrument:CREate[:NEW] on page 52

Parameters:

<ChannelType> Channel type of the new channel.

<ChannelName> String containing the name of the channel.

Example:

INST:REN 'Receiver','REC'

Renames the channel with the name 'Receiver' to 'REC'.

For a list of available channel types see INSTrument:LIST?
on page 53.

INST IQ

Activates a channel for the I/Q Analyzer application (evaluation
mode).

INST 'MyIQSpectrum'

Selects the channel named 'MyIQSpectrum' (for example before
executing further commands for that channel).

SYSTem:PRESet:CHANnel[:EXEC]

This command restores the default <instrument> settings in the current channel.

Use INST:SEL to select the channel.

Example:

Usage: Event

Manual operation: See "Preset Channel" on page 18

INST:SEL 'Spectrum2'

Selects the channel for "Spectrum2".

SYST:PRES:CHAN:EXEC

Restores the factory default settings to the "Spectrum2" channel.

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8.4 Result display configuration

8.4.1 General window commands

Remote commands for Multi CISPR APD measurements

Result display configuration

● General window commands....................................................................................55

● Screen layout.......................................................................................................... 56

● Result summary...................................................................................................... 63

Note that the suffix <n> always refers to the window in the currently selected mea-
surement channel.

DISPlay:FORMat............................................................................................................. 55

DISPlay[:WINDow<n>]:SIZE............................................................................................. 55

DISPlay:FORMat <Format>

This command determines which tab is displayed.

Parameters:

<Format> SPLit

Displays the MultiView tab with an overview of all active chan­nels

SINGle

Displays the measurement channel that was previously focused.
*RST: SING

Example:

DISPlay[:WINDow<n>]:SIZE <Size>

This command maximizes the size of the selected result display window temporarily.
To change the size of several windows on the screen permanently, use the LAY:SPL
command (see LAYout:SPLitter on page 58).

Suffix:

<n>

Parameters:
<Size> LARGe

DISP:FORM SPL

.

Window

Maximizes the selected window to full screen.
Other windows are still active in the background.

SMALl

Reduces the size of the selected window to its original size.
If more than one measurement window was displayed originally,
these are visible again.

*RST: SMALl

Example:

DISP:WIND2:SIZE LARG

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8.4.2 Screen layout

Remote commands for Multi CISPR APD measurements

Result display configuration

The following commands are required to change the evaluation type and rearrange the
screen layout for a measurement channel as you do using the SmartGrid in manual
operation. Since the available evaluation types depend on the selected application,
some parameters for the following commands also depend on the selected measure­ment channel.

Note that the suffix <n> always refers to the window in the currently selected mea-
surement channel.

LAYout:ADD[:WINDow]?...................................................................................................56

LAYout:CATalog[:WINDow]?..............................................................................................57

LAYout:IDENtify[:WINDow]?..............................................................................................57

LAYout:REMove[:WINDow]............................................................................................... 58

LAYout:REPLace[:WINDow]..............................................................................................58

LAYout:SPLitter................................................................................................................58

LAYout:WINDow<n>:ADD?............................................................................................... 60

LAYout:WINDow<n>:IDENtify?.......................................................................................... 60

LAYout:WINDow<n>:REMove............................................................................................61

LAYout:WINDow<n>:REPLace.......................................................................................... 61

CALCulate<n>:MARKer<m>:X.......................................................................................... 62

CALCulate<n>:MARKer<m>:Y?.........................................................................................62

CALCulate<n>:MARKer<m>:Z?.........................................................................................62

LAYout:ADD[:WINDow]? <WindowName>,<Direction>,<WindowType>

This command adds a window to the display in the active channel.

This command is always used as a query so that you immediately obtain the name of
the new window as a result.

To replace an existing window, use the LAYout:REPLace[:WINDow] command.

Query parameters:

<WindowName> String containing the name of the existing window the new win-

dow is inserted next to.
By default, the name of a window is the same as its index. To
determine the name and index of all active windows, use the

LAYout:CATalog[:WINDow]? query.

<Direction> LEFT | RIGHt | ABOVe | BELow

Direction the new window is added relative to the existing win­dow.

<WindowType> text value

Type of result display (evaluation method) you want to add.
See the table below for available parameter values.

Return values:

<NewWindowName> When adding a new window, the command returns its name (by

default the same as its number) as a result.

Usage: Query only

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Remote commands for Multi CISPR APD measurements

Result display configuration

Manual operation: See "CISPR APD at Tuned Frequency" on page 13

See "Fast Access" on page 13
See "Marker Table" on page 13
See "Multi APD" on page 13
See "Notes" on page 14
See "Result Summary" on page 14

Table 8-3: <WindowType> parameter values for Multi CISPR APD application

Parameter value Window type

CAPD CISPR APD at Tuned Frequency

FACC "Fast Access"

MTAB "Marker Table"

MAPD Multi APD

NOT Notes

RSUM "Result Summary"

LAYout:CATalog[:WINDow]?

This command queries the name and index of all active windows in the active channel
from top left to bottom right. The result is a comma-separated list of values for each
window, with the syntax:

<WindowName_1>,<WindowIndex_1>..<WindowName_n>,<WindowIndex_n>

Return values:

<WindowName> string

Name of the window.
In the default state, the name of the window is its index.

<WindowIndex> numeric value

Index of the window.

Example:

LAY:CAT?

Result:

'2',2,'1',1

Two windows are displayed, named '2' (at the top or left), and '1'
(at the bottom or right).

Usage: Query only

LAYout:IDENtify[:WINDow]? <WindowName>

This command queries the index of a particular display window in the active channel.

Note: to query the name of a particular window, use the LAYout:WINDow<n>:

IDENtify? query.

Query parameters:

<WindowName> String containing the name of a window.

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Remote commands for Multi CISPR APD measurements

Result display configuration

Return values:

<WindowIndex> Index number of the window.

Example:

Usage: Query only

LAYout:REMove[:WINDow] <WindowName>

This command removes a window from the display in the active channel.

Setting parameters:

<WindowName> String containing the name of the window. In the default state,

Example:

Usage: Setting only

LAYout:REPLace[:WINDow] <WindowName>,<WindowType>

This command replaces the window type (for example from "Diagram" to "Result Sum­mary") of an already existing window in the active channel while keeping its position,
index and window name.

LAY:IDEN:WIND? '2'

Queries the index of the result display named '2'.
Response:

2

the name of the window is its index.

LAY:REM '2'

Removes the result display in the window named '2'.

To add a new window, use the LAYout:ADD[:WINDow]? command.

Setting parameters:

<WindowName> String containing the name of the existing window.

By default, the name of a window is the same as its index. To
determine the name and index of all active windows in the active
channel, use the LAYout:CATalog[:WINDow]? query.

<WindowType> Type of result display you want to use in the existing window.

See LAYout:ADD[:WINDow]? on page 56 for a list of available
window types.

Example:

Usage: Setting only

LAYout:SPLitter <Index1>, <Index2>, <Position>

This command changes the position of a splitter and thus controls the size of the win­dows on each side of the splitter.

Note that windows must have a certain minimum size. If the position you define con­flicts with the minimum size of any of the affected windows, the command does not
work, but does not return an error.

LAY:REPL:WIND '1',MTAB

Replaces the result display in window 1 with a marker table.

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Remote commands for Multi CISPR APD measurements

Result display configuration

Figure 8-1: SmartGrid coordinates for remote control of the splitters

Setting parameters:

<Index1> The index of one window the splitter controls.

<Index2> The index of a window on the other side of the splitter.

<Position> New vertical or horizontal position of the splitter as a fraction of

the screen area (without channel and status bar and softkey
menu).
The point of origin (x = 0, y = 0) is in the lower left corner of the
screen. The end point (x = 100, y = 100) is in the upper right cor­ner of the screen. (See Figure 8-1.)
The direction in which the splitter is moved depends on the
screen layout. If the windows are positioned horizontally, the
splitter also moves horizontally. If the windows are positioned
vertically, the splitter also moves vertically.

Range: 0 to 100

Example:

LAY:SPL 1,3,50

Moves the splitter between window 1 ('Frequency Sweep') and 3
('"Marker Table"') to the center (50%) of the screen, i.e. in the
figure above, to the left.

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Remote commands for Multi CISPR APD measurements

Result display configuration

Example:

Usage: Setting only

LAYout:WINDow<n>:ADD?

This command adds a measurement window to the display. Note that with this com­mand, the suffix <n> determines the existing window next to which the new window is
added. Unlike LAYout:ADD[:WINDow]?, for which the existing window is defined by
a parameter.

To replace an existing window, use the LAYout:WINDow<n>:REPLace command.

This command is always used as a query so that you immediately obtain the name of
the new window as a result.

Suffix:

<n>

LAY:SPL 1,4,70

Moves the splitter between window 1 ('Frequency Sweep') and 3
('"Marker Peak List"') towards the top (70%) of the screen.
The following commands have the exact same effect, as any
combination of windows above and below the splitter moves the
splitter vertically.

LAY:SPL 3,2,70
LAY:SPL 4,1,70
LAY:SPL 2,1,70

<Direction>,<WindowType>

.

Window

Query parameters:

<Direction> LEFT | RIGHt | ABOVe | BELow

<WindowType> Type of measurement window you want to add.

See LAYout:ADD[:WINDow]? on page 56 for a list of available
window types.

Return values:

<NewWindowName> When adding a new window, the command returns its name (by

default the same as its number) as a result.

Example:

Usage: Query only

LAYout:WINDow<n>:IDENtify?

This command queries the name of a particular display window (indicated by the <n>
suffix) in the active channel.

Note: to query the index of a particular window, use the LAYout:IDENtify[:

WINDow]? command.

LAY:WIND1:ADD? LEFT,MTAB

Result:

'2'

Adds a new window named '2' with a marker table to the left of
window 1.

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Remote commands for Multi CISPR APD measurements

Result display configuration

Suffix:

<n>

Return values:

<WindowName> String containing the name of a window.

Example:

Usage: Query only

LAYout:WINDow<n>:REMove

This command removes the window specified by the suffix <n> from the display in the
active channel.

The result of this command is identical to the LAYout:REMove[:WINDow] command.

Suffix:

<n>

Example:

.

Window

In the default state, the name of the window is its index.

LAY:WIND2:IDEN?

Queries the name of the result display in window 2.
Response:

'2'

.

Window

LAY:WIND2:REM

Removes the result display in window 2.

Usage: Event

LAYout:WINDow<n>:REPLace <WindowType>

This command changes the window type of an existing window (specified by the suffix
<n>) in the active channel.

The effect of this command is identical to the LAYout:REPLace[:WINDow] com­mand.

To add a new window, use the LAYout:WINDow<n>:ADD? command.

Suffix:

<n>

Setting parameters:

<WindowType> Type of measurement window you want to replace another one

Example:

Usage: Setting only

.

Window

with.
See LAYout:ADD[:WINDow]? on page 56 for a list of available
window types.

LAY:WIND2:REPL MTAB

Replaces the result display in window 2 with a marker table.

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Remote commands for Multi CISPR APD measurements

Result display configuration

CALCulate<n>:MARKer<m>:X <Position>

This command moves a marker to a specific coordinate on the x-axis.

If necessary, the command activates the marker.

If the marker has been used as a delta marker, the command turns it into a normal
marker.

Suffix:

<n>

<m> Marker

Parameters:

<Position> Numeric value that defines the marker position on the x-axis.

Example:

CALCulate<n>:MARKer<m>:Y?

Queries the result at the position of the specified marker.

Suffix:

<n>

<m> 1..n

Return values:

<Result> Default unit: DBM

.

Window

The unit depends on the result display.
Range: The range depends on the current x-axis range.

Default unit: Hz

CALC:MARK2:X 1.7MHz

Positions marker 2 to frequency 1.7 MHz.

.

1..n

Usage: Query only

CALCulate<n>:MARKer<m>:Z?

This command queries the marker position on the z-axis of three-dimensional result
displays.

Suffix:

<n>

<m> Marker

Return values:

<Position> <numeric value>

Example: //Query marker position

Usage: Query only

.

Window

Default unit: Depends on result display

CALC:MARK:Z?

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8.4.3 Result summary

Remote commands for Multi CISPR APD measurements

Result display configuration

FORMat[:DATA]...............................................................................................................63

TRACe<n>[:DATA]?......................................................................................................... 64

CALCulate<n>:STATistics:RESult<res>?............................................................................64

FETCh:SUMMary<n>[:ALL]?.............................................................................................65

FETCh:SUMMary<n>:AVERage?...................................................................................... 65

FETCh:SUMMary<n>:AVERage:ALL?................................................................................65

FETCh:SUMMary<n>:DELimit?......................................................................................... 66

FETCh:SUMMary<n>:DELimit:ALL?.................................................................................. 66

FETCh:SUMMary<n>:DPLimit?......................................................................................... 66

FETCh:SUMMary<n>:DPLimit:ALL?.................................................................................. 66

FETCh:SUMMary<n>:ELIMit?........................................................................................... 67

FETCh:SUMMary<n>:ELIMit:ALL?.....................................................................................67

FETCh:SUMMary<n>:FREQuency?...................................................................................67

FETCh:SUMMary<n>:FREQuency:ALL?............................................................................ 68

FETCh:SUMMary<n>:LIMit?............................................................................................. 68

FETCh:SUMMary<n>:LIMit:ALL?.......................................................................................68

FETCh:SUMMary<n>:PEAK?............................................................................................68

FETCh:SUMMary<n>:PEAK:ALL?..................................................................................... 69

FETCh:SUMMary<n>:PLIMit?........................................................................................... 69

FETCh:SUMMary<n>:PLIMit:ALL?.....................................................................................69

FORMat[:DATA] <Format>[, <BitLength>]

This command selects the data format that is used for transmission of trace data from
the R&S ESW to the controlling computer.

Note that the command has no effect for data that you send to the R&S ESW. The
R&S ESW automatically recognizes the data it receives, regardless of the format.

Parameters:

<Format> ASCii

ASCii format, separated by commas.
This format is almost always suitable, regardless of the actual
data format. However, the data is not as compact as other for­mats can be.

REAL

Floating-point numbers (according to IEEE 754) in the "definite
length block format".
The format setting REAL is used for the binary transmission of
trace data.

<BitLength> Length in bits for floating-point results

16

16-bit floating-point numbers.
Compared to REAL,32 format, half as many numbers are
returned.

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Remote commands for Multi CISPR APD measurements

Result display configuration

32

32-bit floating-point numbers
For I/Q data, 8 bytes per sample are returned for this format set­ting.

64

64-bit floating-point numbers
Compared to REAL,32 format, twice as many numbers are
returned.

Example:

TRACe<n>[:DATA]? <ResultType>

This command queries current trace data and measurement results.

The data format depends on FORMat[:DATA] on page 63.

Suffix:

<n>

Query parameters:

<ResultType> Selects the type of result to be returned.

Example:

FORM REAL,32

.

Window

TRACE1

Returns the trace data for trace 1 for Channel1 to ChannelM,
TracePoint1 to TracePointN.
The data are returned in the order Channel1/TracePoint1, ... ,
Channel1/TracePointN, Channel2/TracePoint1, ... , Channel2/
TracePointN, ... , ChannelM/TracePoint1, ... ChannelM/Trace­PointN.
Channels that are not active return NAN values.

TRAC? TRACE3

Queries the data of trace 3.

Manual operation: See "Result Summary" on page 14

CALCulate<n>:STATistics:RESult<res>? <ResultType>

This command queries the results of a measurement for a specific trace.

Suffix:

<n>

<res> Trace

Query parameters:

<ResultType> MEAN

.

Window

Average (=RMS) power in dBm measured during the measure­ment time.

PEAK

Peak power in dBm measured during the measurement time.

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Remote commands for Multi CISPR APD measurements

Result display configuration

CFACtor

Determined crest factor (= ratio of peak power to average
power) in dB.

ALL

Results of all three measurements mentioned before, separated
by commas: <mean power>,<peak power>,<crest factor>

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>[:ALL]?

Querys all Result Summary table values.

Suffix:

<n>

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:AVERage?

Querys the Result Summary Average value for the specified table row.

CALC:STAT:RES2? ALL

Reads out the three measurement results of trace 2. Example of
answer string: 5.56,19.25,13.69 i.e. mean power: 5.56 dBm,
peak power 19.25 dBm, crest factor 13.69 dB

.

irrelevant

FETCh:SUMMary?

Suffix:

<n>

Return values:

<Value> Average value

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:AVERage:ALL?

Querys all Result Summary Average values.

Suffix:

<n>

Return values:

<Value> Average values

Example:

.

Result Summary table row

FETCh:SUMMary1:AVERage?

.

irrelevant

FETCh:SUMMary1:AVERage:ALL?

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Remote commands for Multi CISPR APD measurements

Result display configuration

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:DELimit?

Querys the Result Summary Delta to E Limit value for the specified table row.

Suffix:

<n>

Return values:

<Value> Delta to E Limit value

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:DELimit:ALL?

Querys all Result Summary Delta to E Limit values.

Suffix:

<n>

Return values:

<Value> Delta to E Limit values

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

.

Result Summary table row

FETCh:SUMMary1:DELimit?

.

irrelevant

FETCh:SUMMary1:DELimit:ALL?

FETCh:SUMMary<n>:DPLimit?

Querys the Result Summary Delta to P Limit value for the specified table row.

Suffix:

<n>

Return values:

<Value> Delta to P Limit value

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:DPLimit:ALL?

Querys all Result Summary Delta to P Limit values.

.

Result Summary table row

FETCh:SUMMary1:DPLimit?

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Remote commands for Multi CISPR APD measurements

Result display configuration

Suffix:

<n>

Return values:

<Value> Delta to P Limit values

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:ELIMit?

Querys the Result Summary E Limit value for the specified table row.

Suffix:

<n>

Return values:

<Value> E Limit value

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

.

irrelevant

FETCh:SUMMary1:DPLimit:ALL?

.

Result Summary table row

FETCh:SUMMary1:ELIMit?

FETCh:SUMMary<n>:ELIMit:ALL?

Querys all Result Summary E Limit values.

Suffix:

<n>

Return values:

<Value> E Limit values

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:FREQuency?

Querys the Result Summary Frequency value for the specified table row.

Suffix:

<n>

Return values:

<Value> Frequency value

Example:

Usage: Query only

.

irrelevant

.

Result Summary table row

FETCh:SUMMary1:FREQuency?

Manual operation: See "Result Summary" on page 14

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Remote commands for Multi CISPR APD measurements

Result display configuration

FETCh:SUMMary<n>:FREQuency:ALL?

Querys all Result Summary Frequency values.

Suffix:

<n>

Return values:

<Value> Frequency values

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:LIMit?

Querys the Result Summary Limit state for the specified table row.

Suffix:

<n>

Return values:

<Limit> PASS | MARGin | FAIL

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

.

Result Summary table row

FETCh:SUMMary1:FREQuency:ALL?

.

Result Summary table row

FETCh:SUMMary1:LIMit?

FETCh:SUMMary<n>:LIMit:ALL?

Querys all Result Summary Limit states.

Suffix:

<n>

Return values:

<Limit> PASS | MARGin | FAIL

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:PEAK?

Querys the Result Summary Peak value for the specified table row.

Suffix:

<n>

Return values:

<Value> Peak value

.

irrelevant

FETCh:SUMMary1:LIMit:ALL?

.

Result Summary table row

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Remote commands for Multi CISPR APD measurements

Result display configuration

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:PEAK:ALL?

Querys all Result Summary Peak values.

Suffix:

<n>

Return values:

<Value> Peak values

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:PLIMit?

Querys the Result Summary P Limit value for the specified table row.

FETCh:SUMMary1:PEAK?

.

irrelevant

FETCh:SUMMary1:PEAK:ALL?

Suffix:

<n>

Return values:

<Value> P Limit value

Example:

Usage: Query only

Manual operation: See "Result Summary" on page 14

FETCh:SUMMary<n>:PLIMit:ALL?

Querys all Result Summary P Limit values.

Suffix:

<n>

Return values:

<Value> P Limit values

Usage: Query only

Manual operation: See "Result Summary" on page 14

.

Result Summary table row

FETCh:SUMMary1:PLIMit?

.

irrelevant

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8.5 Configuration

8.5.1 Input configuration

8.5.1.1 RF input

Remote commands for Multi CISPR APD measurements

Configuration

● RF input...................................................................................................................70

● External mixer......................................................................................................... 71

● Preselector configuration........................................................................................ 72

● LISN configuration...................................................................................................72

INPut<ip>:COUPling.........................................................................................................70

INPut<ip>:IMPedance.......................................................................................................70

INPut<ip>:TYPE.............................................................................................................. 71

INPut<ip>:ATTenuation:LIMiter[:STATe].............................................................................. 71

INPut<ip>:COUPling <CouplingType>

This command selects the coupling type of the RF input.

Suffix:

<ip>

Parameters:

<CouplingType> AC | DC

Example:

Manual operation: See "Input Coupling" on page 19

INPut<ip>:IMPedance <Impedance>

This command selects the nominal input impedance of the RF input. In some applica­tions, only 50 Ω are supported.

.

1 | 2
irrelevant

AC

AC coupling

DC

DC coupling
*RST: AC

INP:COUP DC

Suffix:

<ip>

.

1 | 2
irrelevant

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Remote commands for Multi CISPR APD measurements

Configuration

Parameters:

<Impedance> 50 | 75

*RST: 50 Ω
Default unit: OHM

Example:

Manual operation: See "Impedance" on page 20

INPut<ip>:TYPE <Input>

The command selects the input path.

Suffix:

<ip>

Parameters:
<Input> INPUT1

Example: //Select input path

Manual operation: See "Input Selection" on page 19

INP:IMP 75

.

1 | 2
irrelevant

Selects RF input 1.

INPUT2

Selects RF input 2.
*RST: INPUT1

INP:TYPE INPUT1

INPut<ip>:ATTenuation:LIMiter[:STATe] <State>

This command turns the pulse limiter on and off.

The pulse limiter is an additional protection mechanism for the second RF input that
attenuates high level pulses.

Suffix:

<ip>

Parameters:

<State> ON | OFF | 1 | 0

Example: //Turn on pulse limiter

Manual operation: See "Pulse Limiter" on page 20

8.5.1.2 External mixer

The remote commands to configure external mixers are the same as in the Spectrum
application.

.

irrelevant

*RST: ON

INP:ATT:LIM ON

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8.5.1.3 Preselector configuration

8.5.1.4 LISN configuration

8.5.2 Output configuration

Remote commands for Multi CISPR APD measurements

Configuration

For a comprehensive list of commands, refer to the user manual of the R&S ESW
Spectrum application.

The remote commands to configure the preselector are the same as in the Receiver
application.

For a comprehensive list of commands, refer to the user manual of the R&S ESW.

The remote commands to configure LISNs are the same as in the Receiver application.

For a comprehensive list of commands, refer to the user manual of the R&S ESW.

● Signal output........................................................................................................... 72

● Other outputs.......................................................................................................... 73

8.5.2.1 Signal output

OUTPut<ou>:LINK...........................................................................................................72

SYSTem:SPEaker:MAXVolume......................................................................................... 72

SYSTem:SPEaker:MUTE..................................................................................................73

SYSTem:SPEaker:VOLume.............................................................................................. 73

OUTPut<ou>:LINK <Scope>

This command selects the scope of the output settings.

Suffix:

<ou>

Parameters:
<Scope> ON | 1

Example: //Apply output configuration to all measurement channels

.

irrelevant

Output settings apply to the current measurement channel.

OFF | 0

Output settings apply to all measurement channels.

OUTP:LINK OFF

Manual operation: See "Output Coupling" on page 21

SYSTem:SPEaker:MAXVolume <Volume>

This command defines the maximum volume level for audio output (for example over
headphones).

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Remote commands for Multi CISPR APD measurements

Configuration

Parameters:

<Volume> Numeric value between 0 and 1, with 1 being the loudest.

Example: //Define a maximum volume of 60 %

SYST:SPE:MAXV 0.6

Manual operation: See "Controlling the volume" on page 21

SYSTem:SPEaker:MUTE

This command turns off audio output.

To turn the volume back on again, use SYSTem:SPEaker:VOLume.

Example:

Usage: Event

Manual operation: See "Controlling the volume" on page 21

SYSTem:SPEaker:VOLume <Volume>

This command defines the volume with which audio signals are output.

Parameters:

<Volume> Numeric value between 0 and 1, with 1 being the loudest.

Example: //Define a volume of 25 %.

Manual operation: See "Controlling the volume" on page 21

8.5.2.2 Other outputs

//Turn off audio output

SYST:SPE:MUTE

//Turn audio output back on

SYST:SPE:VOL 25

Note that if you have defined a maximum volume level with

SYSTem:SPEaker:MAXVolume, the value range is limited by

the maximum volume.

SYST:SPE:VOL 0.25

OUTPut<ou>:PROBe<pb>[:POWer]...................................................................................73

OUTPut<ou>:PROBe<pb>[:POWer] <State>

This command selects the probe connector that is supplied with power.

Suffix:

<ou>

.

irrelevant

<pb> Selects the probe power connector.

Parameters:

<State> ON | OFF | 1 | 0

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8.5.3 Amplitude configuration

Remote commands for Multi CISPR APD measurements

Configuration

Example: //Supply 5-pin probe connector with power

OUTP:PROB2 ON

Manual operation: See "Probe Power Supply" on page 22

Commands to configure the amplitude described elsewhere.

●

INPut<ip>:COUPling on page 70

●

INPut<ip>:IMPedance on page 70

CALCulate<n>:UNIT:POWer............................................................................................. 74

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel...............................74

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel:OFFSet.................. 75

INPut<ip>:ATTenuation:AUTO........................................................................................... 75

INPut<ip>:ATTenuation:PROTection[:STATe].......................................................................76

INPut<ip>:ATTenuation[:VALue].........................................................................................76

INPut<ip>:GAIN:AUTO..................................................................................................... 76

INPut<ip>:GAIN:LNA:AUTO..............................................................................................77

INPut<ip>:GAIN:LNA:STATe..............................................................................................77

INPut<ip>:GAIN:STATe.....................................................................................................77

CALCulate<n>:UNIT:POWer <Unit>

This command selects the unit of the y-axis.

The unit applies to all power-based measurement windows with absolute values.

Suffix:

<n>

.

irrelevant

Parameters:

<Unit> DBM | V | A | W | DBPW | WATT | DBUV | DBMV | VOLT |

DBUA | AMPere | DBM_mhz | DBM_hz | DBUa_mhz |
DBUV_mhz | DBmV_mhz | DBpW_mhz

*RST: dBm

Example:

CALC:UNIT:POW DBM

Sets the power unit to dBm.

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel

<ReferenceLevel>

This command defines the reference level (for all traces in all windows).

With a reference level offset ≠ 0, the value range of the reference level is modified by
the offset.

Suffix:

<n>

.

irrelevant

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Remote commands for Multi CISPR APD measurements

Configuration

<w> subwindow

Not supported by all applications

<t> irrelevant

Parameters:

<ReferenceLevel> The unit is variable.

Range: see datasheet
*RST: 0 dBm
Default unit: DBM

Example:

Manual operation: See "Reference Level" on page 23

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel:OFFSet

<Offset>

This command defines a reference level offset (for all traces in all windows).

Suffix:

<n>

<w> subwindow

<t> irrelevant

Parameters:

<Offset> Range: -200 dB to 200 dB

Example:

Manual operation: See "Shifting the Display (Offset)" on page 24

DISP:TRAC:Y:RLEV -60dBm

.

irrelevant

Not supported by all applications

*RST: 0dB
Default unit: DB

DISP:TRAC:Y:RLEV:OFFS -10dB

INPut<ip>:ATTenuation:AUTO <State>

This command turns automatic determination of the attenuation level on and off.

When you turn it on, the R&S ESW selects an attenuation that results in a good signal­to-noise ratio without overloading the RF input.

Suffix:

<ip>

Parameters:

<State> ON | OFF

.

irrelevant

ON

Selects automatic attenuation mode.

OFF

Selects manual attenuation mode.
*RST: ON

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Remote commands for Multi CISPR APD measurements

Configuration

Example: //Turn on auto ranging

INP:ATT:AUTO ON

Manual operation: See "Attenuation" on page 24

INPut<ip>:ATTenuation:PROTection[:STATe] <State>

This command turns the availability of attenuation levels of 10 dB or less on and off.

Suffix:

<ip>

Parameters:

<State> ON | OFF | 1 | 0

Example: //Turn on input protection

Manual operation: See "10 dB Minimum Attenuation" on page 25

INPut<ip>:ATTenuation[:VALue] <Attenuation>

This command defines the attenuation at the RF input.

To protect the input mixer, attenuation levels of 10 dB or less are possible only if you
have turned off the input protection with INPut<ip>:ATTenuation:PROTection[:

STATe] on page 76.

Suffix:

<ip>

Parameters:

<Attenuation> Range: 0 dB to 79 dB

.

irrelevant

*RST: 1

INP:ATT:PROT ON

.

irrelevant

*RST: 10 dB
Default unit: dB

Example: //Define attenuation

INP:ATT 40dB

Manual operation: See "Attenuation" on page 24

INPut<ip>:GAIN:AUTO <State>

This command includes and excludes the preamplifier from the auto ranging feature.

Suffix:

<ip>

Parameters:

<State> ON | OFF | 1 | 0

.

irrelevant

*RST: OFF

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Remote commands for Multi CISPR APD measurements

Configuration

Example: //Consider preamplifier for auto ranging

INP:GAIN:AUTO ON

INPut<ip>:GAIN:LNA:AUTO <State>

This command includes and excludes the optional low noise amplifier from the auto
ranging feature.

Suffix:

<ip>

Parameters:

<State> ON | OFF | 1 | 0

Example: //Allow to turn the amplifier on and off manually

INPut<ip>:GAIN:LNA:STATe

This command turns the optional low noise amplifier on and off.

Note that it is not possible to use the low noise amplifier and the preamplifier at the
same time.

Suffix:

<ip>

Parameters:

<State> ON | OFF | 1 | 0

.

irrelevant

*RST: OFF

INP:GAIN:LNA:STAT ON
INP:GAIN:LNA:AUTO OFF

<State>

.

irrelevant

*RST: OFF

Example: //Turn on low noise preamplifier

INP:GAIN:LNA:STAT ON

Manual operation: See "Preamplifier" on page 25

INPut<ip>:GAIN:STATe <State>

This command turns the preamplifier on and off.

Suffix:

<ip>

Parameters:

<State> ON | OFF | 1 | 0

Example: //Turn on preamplifier

Manual operation: See "Preamplifier" on page 25

.

irrelevant

*RST: OFF

INP:GAIN:STAT ON

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8.5.4 Frequency configuration

Remote commands for Multi CISPR APD measurements

Configuration

[SENSe:]FREQuency:CENTer........................................................................................... 78

[SENSe:]FREQuency:CENTer:STEP..................................................................................78

[SENSe:]FREQuency:OFFSet...........................................................................................78

[SENSe:]FREQuency:TUNed............................................................................................ 79

[SENSe:]FREQuency:CENTer <Frequency>

This command defines the center frequency.

Parameters:

<Frequency> The allowed range and f

is specified in the data sheet.

max

*RST: fmax/2
Default unit: Hz

Example:

FREQ:CENT 100 MHz
FREQ:CENT:STEP 10 MHz
FREQ:CENT UP

Sets the center frequency to 110 MHz.

Manual operation: See "Center Frequency" on page 29

[SENSe:]FREQuency:CENTer:STEP <StepSize>

This command defines the center frequency step size.

Parameters:

<StepSize> f

is specified in the data sheet.

max

Range: 1 to fMAX
*RST: 0.1 x span
Default unit: Hz

Example: //Set the center frequency to 110 MHz.

FREQ:CENT 100 MHz
FREQ:CENT:STEP 10 MHz
FREQ:CENT UP

Manual operation: See "Center Frequency Stepsize" on page 30

[SENSe:]FREQuency:OFFSet <Offset>

This command defines a frequency offset.

If this value is not 0 Hz, the application assumes that the input signal was frequency
shifted outside the application. All results of type "frequency" will be corrected for this
shift numerically by the application.

Parameters:

<Offset> Range: -1 THz to 1 THz

*RST: 0 Hz
Default unit: HZ

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Remote commands for Multi CISPR APD measurements

Configuration

8.5.5

Example:

FREQ:OFFS 1GHZ

Manual operation: See "Frequency Offset" on page 30

[SENSe:]FREQuency:TUNed <TunedFrequency>

Sets/queries the tuned frequency in Hz.

Parameters:

<TunedFrequency> Default unit: Hz

Example:

SENS:FREQ:TUNed 1 GHz

Manual operation: See "Tuned Frequency" on page 30

Trigger configuration

TRIGger<tp>[:SEQuence]:SOURce................................................................................... 79

TRIGger<tp>[:SEQuence]:LEVel[:EXTernal]........................................................................79

TRIGger<tp>[:SEQuence]:HOLDoff[:TIME].........................................................................80

TRIGger[:SEQuence]:DTIMe.............................................................................................80

TRIGger<tp>[:SEQuence]:SLOPe......................................................................................81

TRIGger[:SEQuence]:IFPower:HOLDoff.............................................................................81

OUTPut<up>:TRIGger<tp>:DIRection................................................................................ 81

TRIGger<tp>[:SEQuence]:SOURce <Source>

This command selects the trigger source.

Note on external triggers:

If a measurement is configured to wait for an external trigger signal in a remote control
program, remote control is blocked until the trigger is received and the program can
continue. Make sure that this situation is avoided in your remote control programs.

Suffix:

<tp>

.

irrelevant

Parameters:

<Source> See table below.

*RST: IMMediate

Example: //Select external trigger input as source of the trigger signal

TRIG:SOUR EXT

Manual operation: See "Trigger Source" on page 31

See "Free Run" on page 31
See "Ext. Trigger 1/2" on page 31

TRIGger<tp>[:SEQuence]:LEVel[:EXTernal] <Level>

This command defines the level the external signal must exceed to cause a trigger
event.

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Remote commands for Multi CISPR APD measurements

Configuration

Note that the variable [Input/Output] connectors must be set for use as input using the

OUTPut<up>:TRIGger<tp>:DIRection command.

Suffix:

<tp>

Parameters:

<Level> Default unit: V

Example: //Define a trigger level of 2 V for an external trigger source

Manual operation: See "Trigger Level" on page 32

TRIGger<tp>[:SEQuence]:HOLDoff[:TIME] <Offset>

Defines the time offset between the trigger event and the start of the measurement
(data capturing).

A negative offset is possible for time domain measurements.

For the trigger sources "External" or "IF Power", a common input signal is used for both
trigger and gate. Therefore, changes to the gate delay affect the trigger offset as well.

Suffix:

<tp>

Parameters:

<Offset> For measurements in the frequency domain, the range is 0 s to

.

irrelevant

TRIG:SOUR EXT
TRIG:LEV 2V

.

irrelevant

30 s.
For measurements in the time domain, the range is the negative
sweep time to 30 s.

*RST: 0 s
Default unit: s

Example: //Define a trigger offset

TRIG:HOLD 500us

Manual operation: See "Trigger Offset" on page 32

TRIGger[:SEQuence]:DTIMe <DropoutTime>

Defines the time the input signal must stay below the trigger level before a trigger is
detected again.

Parameters:

<DropoutTime> Dropout time of the trigger.

Range: 0 s to 10.0 s
*RST: 0 s
Default unit: S

Manual operation: See "Drop-Out Time" on page 32

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Remote commands for Multi CISPR APD measurements

Configuration

TRIGger<tp>[:SEQuence]:SLOPe <Type>

This command selects the trigger slope.

Suffix:

<tp>

Parameters:
<Type> POSitive

Example: //Select trigger slope

Manual operation: See "Slope" on page 32

TRIGger[:SEQuence]:IFPower:HOLDoff <Period>

This command defines the holding time before the next trigger event.

Note that this command can be used for any trigger source, not just IF Power
(despite the legacy keyword).

Parameters:

<Period> Range: 0 s to 10 s

.

irrelevant

Triggers when the signal rises to the trigger level (rising edge).

NEGative

Triggers when the signal drops to the trigger level (falling edge).
*RST: POSitive

TRIG:SLOP NEG

*RST: 0 s
Default unit: S

Example:

Manual operation: See "Trigger Holdoff" on page 32

OUTPut<up>:TRIGger<tp>:DIRection <Direction>

This command selects the trigger direction for trigger ports that serve as an input as
well as an output.

Suffix:

<up>

<tp> Selects the used trigger port.

Parameters:

<Direction> INPut | OUTPut

TRIG:SOUR EXT

Sets an external trigger source.

TRIG:IFP:HOLD 200 ns

Sets the holding time to 200 ns.

.

irrelevant

2 = trigger port 2 (front)
3 = trigger port 3 (rear panel)

INPut

Port works as an input.

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8.5.6 Measurement settings

Remote commands for Multi CISPR APD measurements

Configuration

OUTPut

Port works as an output.
*RST: INPut

Manual operation: See "Trigger 2/3" on page 33

Useful commands to configure measurements described elsewhere:

●

[SENSe:]FREQuency:CENTer on page 78

[SENSe:]MAPD[:STANdard]:LOAD....................................................................................82

[SENSe:]MAPD[:STANdard]:SAVE.....................................................................................82

[SENSe:]MAPD:NCHannels.............................................................................................. 83

[SENSe:]FREQuency:SPAN..............................................................................................83

[SENSe:]BANDwidth[:RESolution]..................................................................................... 83

[SENSe:]SWEep:TIME..................................................................................................... 83

[SENSe:]MAPD:CHANnel<n>:POPulate.............................................................................84

[SENSe:]MAPD:FADJust.................................................................................................. 84

[SENSe:]MAPD[:STANdard]:LOAD <FileName>

Loads a measurement configuration. Standard definitions are stored in an xml file. The
default directory for Multi CISPR APD standards is
<SYSTEM_ROOT>\predefined\MultiApd\.

If you have stored the file in a subdirectory of the directory mentioned above, you have
to include the relative path to the file.

Parameters:

<FileName> String containing the file name

Example:

MAPD:LOAD “CISPR_Ed.6.2.xml”

Manual operation: See "Predefined Settings" on page 34

[SENSe:]MAPD[:STANdard]:SAVE <FileName>

Saves the current configuration to a standard file. Standard definitions are stored in an
xml file. The default directory for Multi CISPR APD standards is
<USER_ROOT>\predefined\MultiApd\.

If you have stored the file in a subdirectory of the directory mentioned above, you have
to include the relative path to the file.

Parameters:

<FileName> String containing the file name

Example:

MAPD:SAVe “MyFile.xml”

Manual operation: See "Predefined Settings" on page 34

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Remote commands for Multi CISPR APD measurements

Configuration

[SENSe:]MAPD:NCHannels <Value>

Sets or queries the number of channels that are analyzed.

Parameters:

<Value> Number of channels

Example:

Manual operation: See "Measurement Settings" on page 35

[SENSe:]FREQuency:SPAN

This command defines the frequency span.

Parameters:

<Span> Default unit: Hz

Example:

Manual operation: See "Measurement Settings" on page 35

[SENSe:]BANDwidth[:RESolution] <Bandwidth>

Defines the resolution bandwidth and decouples the resolution bandwidth from the
span.

Parameters:

<Bandwidth> <numeric value>

SENS:MAPD:NCH 21

<Span>

FREQ:SPAN 20MHZ

Defines a span of 20 MHz.

Range: 1 Hz to 1 MHz
Default unit: Hz

Example: //Select resolution bandwidth

BAND:AUTO OFF
BAND 100KHZ

Manual operation: See "Measurement Settings" on page 35

[SENSe:]SWEep:TIME <Time>

This command defines the measurement time. It automatically decouples the time from
any other settings.

Parameters:

<Time> refer to data sheet

*RST: depends on current settings (determined automati-

cally)

Default unit: S

Manual operation: See "Measurement Settings" on page 35

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Remote commands for Multi CISPR APD measurements

Configuration

[SENSe:]MAPD:CHANnel<n>:POPulate

Populates the evaluation table using the current settings. All channels that can be cal­culated using the current span / analysis bandwidth settings are inserted into the evalu­ation table. The settings in the evaluation table are overwritten by the populate opera­tion.

Suffix:

<n>

Example:

Usage: Event

Manual operation: See "Measurement Settings" on page 35

[SENSe:]MAPD:FADJust

Adjusts the centre frequency to be in range of CISPR band edges.

Example:

Usage: Event

Manual operation: See "Measurement Settings" on page 35

8.5.7 Evaluation table

[SENSe:]MAPD:CHANnel<n>:CLEar..................................................................................84

[SENSe:]MAPD:CHANnel<n>:COUNt?.............................................................................. 85

[SENSe:]MAPD:CHANnel<n>:DELete................................................................................85

[SENSe:]MAPD:CHANnel<n>:ELIMit..................................................................................85

[SENSe:]MAPD:CHANnel<n>:EMARgin.............................................................................85

[SENSe:]MAPD:CHANnel<n>:EVALuation..........................................................................86

[SENSe:]MAPD:CHANnel<n>:INSert..................................................................................86

[SENSe:]MAPD:CHANnel<n>:LOAD..................................................................................86

[SENSe:]MAPD:CHANnel<n>:PLIMit..................................................................................87

[SENSe:]MAPD:CHANnel<n>:PMARgin.............................................................................87

[SENSe:]MAPD:CHANnel<n>:POPulate.............................................................................87

[SENSe:]MAPD:CHANnel<n>:RFRequency........................................................................87

[SENSe:]MAPD:CHANnel<n>:SAVE..................................................................................88

.

1..n
irrelevant

SENS:MAPD:CHAN1:POP

See "Evaluation Table" on page 36

SENS:DEM:FORM:BURS ON

[SENSe:]MAPD:CHANnel<n>:CLEar

Clears the evaluation table. All columns except the Center column are removed. The
Center column always stays in the table.

Suffix:

<n>

Example:

.

irrelevant

SENS:MAPD:CHAN1:CLE

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Remote commands for Multi CISPR APD measurements

Configuration

Usage: Event

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:COUNt?

Queries the number of channels in the evaluation table.

Suffix:

<n>

Example: SENS:MAPD:CHAN1:COUN?

Usage: Query only

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:DELete

Removes a channel from the evaluation table.

Suffix:

<n>

Example:

Usage: Event

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:ELIMit <Value>

Sets and queries the E Limit value in the evaluation table.

.

irrelevant

.

1..n
Channel

SENS:MAPD:CHAN1:DEL

Suffix:

<n>

Parameters:

<Value> numeric value

Example:

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:EMARgin <Value>

Sets and queries the E Margin value in the evaluation table.

Suffix:

<n>

.

1..n
Channel

Default unit: dBuV

SENS:MAPD:CHAN1:ELIM 69

.

1..n
Channel

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Remote commands for Multi CISPR APD measurements

Configuration

Parameters:

<Value> numeric value

Default unit: dB

Example:

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:EVALuation <Value>

This command enables the evaluation table.

Suffix:

<n>

Parameters:

<State> ON | OFF | 0 | 1

Example:

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:INSert <Direction>

Inserts a channel into the evaluation table before or after the selected channel.

Suffix:

<n>

SENS:MAPD:CHAN1:EMAR 1.8

.

irrelevant

SENS:MAPD:CHAN1EVAL ON

.

1..n
Channel

Setting parameters:

<Direction> BEFore | AFTer

Example:

Usage: Setting only

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:LOAD <FileName>

Loads an evaluation table configuration. Evaluation tables are stored in an xml file. The
default directory for evaluation lists is C:\R_S\INSTR\user\MAPD.

Suffix:

<n>

Parameters:

<FileName> String containing the file name.

Example:

Manual operation: See "Evaluation Table" on page 36

SENS:MAPD:CHAN1:INS BEFore

.

1..n
irrelevant

SENS:MAPD:CHAN1:LOAD 'test.xml'

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Remote commands for Multi CISPR APD measurements

Configuration

[SENSe:]MAPD:CHANnel<n>:PLIMit <Value>

Sets and queries the P Limit value in the evaluation table.

Suffix:

<n>

Parameters:

<Value> numeric value

Example:

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:PMARgin <Value>

Sets and queries the P Margin value in the evaluation table.

Suffix:

<n>

Parameters:

<Value> numeric value

Example:

Manual operation: See "Evaluation Table" on page 36

.

1..n
Channel

SENS:MAPD:CHAN1:PLIM 0.2

.

1..n
Channel

SENS:MAPD:CHAN1:PMAR 0.01

[SENSe:]MAPD:CHANnel<n>:POPulate

Populates the evaluation table using the current settings. All channels that can be cal­culated using the current span / analysis bandwidth settings are inserted into the evalu­ation table. The settings in the evaluation table are overwritten by the populate opera­tion.

Suffix:

<n>

Example:

Usage: Event

Manual operation: See "Measurement Settings" on page 35

[SENSe:]MAPD:CHANnel<n>:RFRequency <Value>

Sets and queries the receiver frequency in the evaluation table.

Suffix:

<n>

.

1..n
irrelevant

SENS:MAPD:CHAN1:POP

See "Evaluation Table" on page 36

.

1..n
Channel

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Remote commands for Multi CISPR APD measurements

Configuration

Parameters:

<Value> numeric value

Default unit: Hz

8.5.8

Example:

SENS:MAPD:CHAN1:RFR 1 MHZ

Manual operation: See "Evaluation Table" on page 36

[SENSe:]MAPD:CHANnel<n>:SAVE <FileName>

Suffix:

<n>

.

1..n

Parameters:

<FileName>

Manual operation: See "Evaluation Table" on page 36

Sweep configuration

INITiate<n>:CONTinuous.................................................................................................. 88

INITiate<mt>[:IMMediate]..................................................................................................88

INITiate<n>:CONTinuous <State>

This command controls the measurement mode for an individual channel.

Note that in single measurement mode, you can synchronize to the end of the mea­surement with *OPC, *OPC? or *WAI. In continuous measurement mode, synchroniza­tion to the end of the measurement is not possible. Thus, it is not recommended that
you use continuous measurement mode in remote control, as results like trace data or
markers are only valid after a single measurement end synchronization.

For details on synchronization see Remote control via SCPI.

Suffix:

<n>

.

1 | 2
INITiate1 selects single or continuous bargraph measurements.
INITiate2 selects single or continuous scans.

Example:

INIT:CONT OFF

Switches the measurement mode to single measurement.

INIT:CONT ON

Switches the measurement mode to continuous measurement.

Manual operation: See "Continuous Sweep / Run Cont" on page 37

See "Single Sweep / Run Single" on page 37

INITiate<mt>[:IMMediate]

The command initiates a new measurement.

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Remote commands for Multi CISPR APD measurements

Analysis

For a single measurement, the R&S ESW stops measuring when it has reached the
end frequency. When you start a continuous measurement, it stops only if you abort it
deliberately.

If you are using trace modes MAXHold, MINHold and AVERage, previous results are
reset when you restart the measurement.

●

Single measurements

Synchronization to the end of the measurement is possible with *OPC, *OPC? or
*WAI.

●

Continuous measurements

Synchronization to the end of the measurement is not possible.
It is thus recommended to use a single measurement for remote controlled mea­surements, because results like trace data or markers are only valid after synchro­nization.

Suffix:

<mt>

Example: //Start a single scan (with a scan count = 20), and wait until the

Usage: Event

Manual operation: See "Continuous Sweep / Run Cont" on page 37

8.6 Analysis

The functionality to analyze measurement results is the same as that of the Spectrum
application.

For a comprehensive list and description of remote commands, refer to the corre­sponding topics in the user manual of the R&S ESW.

.

INITiate1 initiates a bargraph measurement.
INITiate2 initiates a scan.

measurement is done

INIT2:CONT OFF
SWE:COUN 20
INIT2;*WAI

See "Single Sweep / Run Single" on page 37

8.6.1 Trace export

FORMat:DEXPort:TRACes............................................................................................... 90

FORMat:DEXPort:HEADer................................................................................................90

FORMat:DEXPort:GRAPh.................................................................................................90

FORMat:DEXPort:DSEParator.......................................................................................... 91

MMEMory:STORe<n>:TRACe...........................................................................................91

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Remote commands for Multi CISPR APD measurements

Analysis

FORMat:DEXPort:TRACes <Selection>

This command selects the data to be included in a data export file (see MMEMory:

STORe<n>:TRACe on page 91).

Parameters:

<Selection> SINGle | ALL

SINGle

Only a single trace is selected for export, namely the one speci­fied by the MMEMory:STORe<n>:TRACe command.

ALL

Selects all active traces and result tables (e.g. "Result Sum­mary", marker peak list etc.) in the current application for export
to an ASCII file.
The <trace> parameter for the MMEMory:STORe<n>:TRACe
command is ignored.

*RST: SINGle

Manual operation: See "Export all Traces and all Table Results" on page 40

FORMat:DEXPort:HEADer <State>

If enabled, additional instrument and measurement settings are included in the header
of the export file for result data. If disabled, only the pure result data from the selected
traces and tables is exported.

Parameters:

<State> ON | OFF | 0 | 1

*RST: 1

Manual operation: See "Include Instrument & Measurement Settings" on page 40

FORMat:DEXPort:GRAPh <State>

If enabled, all traces for the currently selected graphical result display are included in
the export file.

Parameters:

<State> ON | OFF | 0 | 1

OFF | 0

Switches the function off

ON | 1

Switches the function on
*RST: 0

Manual operation: See "Export All Traces for Selected Graph" on page 40

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Remote commands for Multi CISPR APD measurements

Analysis

FORMat:DEXPort:DSEParator <Separator>

This command selects the decimal separator for data exported in ASCII format.

Parameters:

<Separator> POINt | COMMa

COMMa

Uses a comma as decimal separator, e.g. 4,05.

POINt

Uses a point as decimal separator, e.g. 4.05.
*RST: *RST has no effect on the decimal separator.

Default is POINt.

Example:

FORM:DEXP:DSEP POIN

Sets the decimal point as separator.

Manual operation: See "Decimal Separator" on page 40

MMEMory:STORe<n>:TRACe <Trace>, <FileName>

This command exports trace data from the specified window to an ASCII file.

Secure User Mode

In secure user mode, settings that are stored on the instrument are stored to volatile
memory, which is restricted to 256 MB. Thus, a "memory limit reached" error can occur
although the hard disk indicates that storage space is still available.

To store data permanently, select an external storage location such as a USB memory
device.

For details, see "Protecting Data Using the Secure User Mode" in the "Data Manage­ment" section of the R&S ESW base unit user manual.

Suffix:

<n>

.

Window

Parameters:

<Trace> Number of the trace to be stored

<FileName> String containing the path and name of the target file.

Example:

MMEM:STOR1:TRAC 1,'C:\TEST.ASC'
Stores trace 1 from window 1 in the file TEST.ASC.

8.6.2 APD display configuration

CALCulate<n>:MARKer<m>:Y:PERCent............................................................................92

CALCulate<n>:SGRam:THReedim[:STATe]........................................................................ 92

CALCulate<n>:SPECtrogram:THReedim[:STATe]................................................................92

CALCulate<n>:SGRam:THReedim:LIMits...........................................................................93

CALCulate<n>:SPECtrogram:THReedim:LIMits.................................................................. 93

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Remote commands for Multi CISPR APD measurements

Analysis

CALCulate<n>:MARKer<m>:Y:PERCent <Probability>

This command sets a marker to a particular probability value. You can query the corre­sponding level with CALCulate<n>:MARKer<m>:X.

Using the command turns delta markers into normal markers.

Suffix:

<n>

<m> Marker

Parameters:

<Probability> Range: 0 % to 100 %

Example:

Manual operation: See "Percent Marker" on page 40

CALCulate<n>:SGRam:THReedim[:STATe] <State>

Activates or deactivates a 3-dimensional spectrogram.

Suffix:

<n>

Parameters:

<State> ON | OFF | 0 | 1

.

Window

Default unit: %

CALC1:MARK:Y:PERC 95PCT

Positions marker 1 to a probability of 95 %.

.

Window

OFF | 0

Switches the function off

ON | 1

Switches the function on
*RST: 0

Example:

Manual operation: See "Multi APD Display" on page 41

CALCulate<n>:SPECtrogram:THReedim[:STATe] <State>

Activates or deactivates a 3-dimensional spectrogram for the selected result display.

Suffix:

<n>

Parameters:

<State> ON | OFF | 0 | 1

CALC:SGRA:THRE:STAT ON

.

Window

OFF | 0

Switches the function off

ON | 1

Switches the function on

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Remote commands for Multi CISPR APD measurements

Analysis

*RST: 0

Example:

CALC:SPEC:THR:STAT ON

Manual operation: See "Multi APD Display" on page 41

CALCulate<n>:SGRam:THReedim:LIMits <Limits>
CALCulate<n>:SGRam:THReedim:LIMits? <Limits>

Sets and queries the 3D Multi APD limit visibility.

Suffix:

<n>

.

1..n

Parameters for setting and query:

<Limits> NONE | TUNed | ALL

Example:

CALC1:SGR:THR:LIM

Manual operation: See "Show 3D Limits" on page 41

CALCulate<n>:SPECtrogram:THReedim:LIMits <Limits>
CALCulate<n>:SPECtrogram:THReedim:LIMits? <Limits>

Sets and queries the 3D Multi APD limit visibility.

Suffix:

<n>

.

1..n

Parameters for setting and query:

<Limits> NONE | TUNed | ALL

Example:

Manual operation: See "Show 3D Limits" on page 41

8.6.3 Scaling

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:AUTO................................ 93

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:AUTO................................ 94

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:AUTO............................................................94

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MINimum............................95

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MAXimum.......................... 95

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MINimum............................96

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MAXimum.......................... 96

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MINimum.......................................................97

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MAXimum......................................................97

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:AUTO <State>

This command turns automatic scaling of the x-axis in graphical result displays on and
off.

CALC1:SPEC:THR:LIM

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Remote commands for Multi CISPR APD measurements

Analysis

Suffix:

<n>

<w> irrelevant

<t> irrelevant

Parameters:
<State> OFF | 0

Example: //Scale the axis each time new results are available

Manual operation: See "Automatic grid scaling" on page 42

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:AUTO <ONCE>

.

Window

Selects manual scaling of the diagram.

ON | 1

Automatically scales the diagram when new results are availa­ble.

ONCE

Automatically scales the diagram once whenever required.
*RST: ON

DISP:TRAC:X:AUTO ON

This command automatically scales the y-axis of a diagram based on the displayed
results.

Suffix:

<n>

<w> Subwindow

<t> irrelevant

Setting parameters:
<ONCE> ALL

Example: //Automatically scale the y-axis in subwindow 2 of window 2

Usage: Setting only

Manual operation: See "Automatic grid scaling" on page 42

.

Window

Scales the y-axis in all windows for an ideal viewing experience.

DEFault

Restores the default scale of the y-axis.

ONCE

Scales the y-axis in a specific window for an ideal viewing expe­rience.

DISP:WIND2:SUBW2:TRAC:Y:AUTO ONCE

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:AUTO <State>

This command turns automatic scaling of the x-axis in graphical result displays on and
off.

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Remote commands for Multi CISPR APD measurements

Analysis

Suffix:

<n>

<t> irrelevant

Parameters:
<State> OFF | 0

Example: //Scale the axis each time new results are available

Manual operation: See "Automatic grid scaling" on page 42

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MINimum

<Value>

This command defines the value at the bottom of the y-axis.

.

Window

Selects manual scaling of the diagram.

ON | 1

Automatically scales the diagram when new results are availa­ble.

ONCE

Automatically scales the diagram once whenever required.
*RST: ON

DISP:TRAC:Z:AUTO ON

Suffix:

<n>

<w> irrelevant

<t> irrelevant

Parameters:

<Value> <numeric value>

Example: //Define x-axis level range

Manual operation: See "Scaling according to min and max values" on page 42

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MAXimum

<Value>

This command defines the value at the top of the x-axis.

Suffix:

<n>

.

Window

Default unit: Depends on the result display.

DISP:TRAC:X:AUTO OFF
DISP:TRAC:X:MIN -10DBM
DISP:TRAC:X:MAX -110DBM

.

Window

<w> irrelevant

<t> irrelevant

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Remote commands for Multi CISPR APD measurements

Analysis

Parameters:

<Value> <numeric value>

Default unit: Depends on the result display.

Example: //Define x-axis level range

DISP:TRAC:x:AUTO OFF
DISP:TRAC:x:MIN -10DBM
DISP:TRAC:x:MAX -110DBM

Manual operation: See "Scaling according to min and max values" on page 42

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MINimum

<Value>

This command defines the minimum value displayed on the vertical diagram axis.

Suffix:

<n>

<w> Subwindow

<t> irrelevant

Parameters:

<Value> Minimum displayed value. The unit and value range depend on

Example: //Define minimum value on y-axis in subwindow 2 of window 2

Manual operation: See "Scaling according to min and max values" on page 42

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MAXimum

<Value>

This command defines the maximum value displayed on the y-axis of a diagram.

Suffix:

<n>

<w> Subwindow

<t> irrelevant

.

Window

the selected diagram.

DISP:WIND2:SUBW2:TRAC:Y:MIN -50

.

Window

Parameters:

<Value> Maximum displayed value. The unit and value range depend on

the selected diagram.

Example: //Define maximum value on y-axis in subwindow 2 of window 2

DISP:WIND2:SUBW2:TRAC:Y:MAX 0

Manual operation: See "Scaling according to min and max values" on page 42

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R&S®ESW-K58

Remote commands for Multi CISPR APD measurements

Analysis

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MINimum <Value>

This command defines the value at the bottom of the z-axis.

Suffix:

<n>

<t> irrelevant

Parameters:

<Value> <numeric value>

Example: //Define z-axis level range

Manual operation: See "Scaling according to min and max values" on page 42

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MAXimum

This command defines the value at the top of the z-axis.

Suffix:

<n>

<t> irrelevant

Parameters:

<Value> <numeric value>

.

Window

Default unit: Depends on the result display.

DISP:TRAC:z:AUTO OFF

<Value>

.

Window

Default unit: Depends on the result display.

Example: //Define z-axis level range

DISP:TRAC:z:AUTO OFF

Manual operation: See "Scaling according to min and max values" on page 42

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R&S®ESW-K58

List of commands

List of commands

[SENSe:]BANDwidth[:RESolution]...................................................................................................................83

[SENSe:]FREQuency:CENTer.........................................................................................................................78

[SENSe:]FREQuency:CENTer:STEP...............................................................................................................78

[SENSe:]FREQuency:OFFSet.........................................................................................................................78

[SENSe:]FREQuency:SPAN............................................................................................................................83

[SENSe:]FREQuency:TUNed.......................................................................................................................... 79

[SENSe:]MAPD:CHANnel<n>:CLEar.............................................................................................................. 84

[SENSe:]MAPD:CHANnel<n>:COUNt?...........................................................................................................85

[SENSe:]MAPD:CHANnel<n>:DELete.............................................................................................................85

[SENSe:]MAPD:CHANnel<n>:ELIMit.............................................................................................................. 85

[SENSe:]MAPD:CHANnel<n>:EMARgin......................................................................................................... 85

[SENSe:]MAPD:CHANnel<n>:EVALuation......................................................................................................86

[SENSe:]MAPD:CHANnel<n>:INSert.............................................................................................................. 86

[SENSe:]MAPD:CHANnel<n>:LOAD...............................................................................................................86

[SENSe:]MAPD:CHANnel<n>:PLIMit.............................................................................................................. 87

[SENSe:]MAPD:CHANnel<n>:PMARgin......................................................................................................... 87

[SENSe:]MAPD:CHANnel<n>:POPulate......................................................................................................... 84

[SENSe:]MAPD:CHANnel<n>:POPulate......................................................................................................... 87

[SENSe:]MAPD:CHANnel<n>:RFRequency....................................................................................................87

[SENSe:]MAPD:CHANnel<n>:SAVE...............................................................................................................88

[SENSe:]MAPD:FADJust.................................................................................................................................84

[SENSe:]MAPD:NCHannels............................................................................................................................ 83

[SENSe:]MAPD[:STANdard]:LOAD................................................................................................................. 82

[SENSe:]MAPD[:STANdard]:SAVE.................................................................................................................. 82

[SENSe:]SWEep:TIME.................................................................................................................................... 83

CALCulate<n>:MARKer<m>:X........................................................................................................................ 62

CALCulate<n>:MARKer<m>:Y:PERCent........................................................................................................ 92

CALCulate<n>:MARKer<m>:Y?...................................................................................................................... 62

CALCulate<n>:MARKer<m>:Z?...................................................................................................................... 62

CALCulate<n>:SGRam:THReedim:LIMits.......................................................................................................93

CALCulate<n>:SGRam:THReedim[:STATe]....................................................................................................92

CALCulate<n>:SPECtrogram:THReedim:LIMits............................................................................................. 93

CALCulate<n>:SPECtrogram:THReedim[:STATe]...........................................................................................92

CALCulate<n>:STATistics:RESult<res>?........................................................................................................ 64

CALCulate<n>:UNIT:POWer............................................................................................................................74

DISPlay:FORMat............................................................................................................................................. 55

DISPlay[:WINDow<n>]:SIZE............................................................................................................................55

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:AUTO......................................................................................94

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MAXimum............................................................................... 97

DISPlay[:WINDow<n>]:TRACe<t>:Z[:SCALe]:MINimum.................................................................................97

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:AUTO........................................................93

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MAXimum................................................. 95

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:X[:SCALe]:MINimum.................................................. 95

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:AUTO........................................................94

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MAXimum................................................. 96

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:MINimum.................................................. 96

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel......................................................74

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List of commands

DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:Y[:SCALe]:RLEVel:OFFSet........................................75

FETCh:SUMMary<n>:AVERage:ALL?............................................................................................................ 65

FETCh:SUMMary<n>:AVERage?....................................................................................................................65

FETCh:SUMMary<n>:DELimit:ALL?............................................................................................................... 66

FETCh:SUMMary<n>:DELimit?.......................................................................................................................66

FETCh:SUMMary<n>:DPLimit:ALL?............................................................................................................... 66

FETCh:SUMMary<n>:DPLimit?.......................................................................................................................66

FETCh:SUMMary<n>:ELIMit:ALL?..................................................................................................................67

FETCh:SUMMary<n>:ELIMit?......................................................................................................................... 67

FETCh:SUMMary<n>:FREQuency:ALL?........................................................................................................ 68

FETCh:SUMMary<n>:FREQuency?................................................................................................................67

FETCh:SUMMary<n>:LIMit:ALL?.................................................................................................................... 68

FETCh:SUMMary<n>:LIMit?............................................................................................................................68

FETCh:SUMMary<n>:PEAK:ALL?.................................................................................................................. 69

FETCh:SUMMary<n>:PEAK?..........................................................................................................................68

FETCh:SUMMary<n>:PLIMit:ALL?..................................................................................................................69

FETCh:SUMMary<n>:PLIMit?......................................................................................................................... 69

FETCh:SUMMary<n>[:ALL]?...........................................................................................................................65

FORMat:DEXPort:DSEParator........................................................................................................................ 91

FORMat:DEXPort:GRAPh............................................................................................................................... 90

FORMat:DEXPort:HEADer.............................................................................................................................. 90

FORMat:DEXPort:TRACes..............................................................................................................................90

FORMat[:DATA]............................................................................................................................................... 63

INITiate<mt>[:IMMediate]................................................................................................................................ 88

INITiate<n>:CONTinuous.................................................................................................................................88

INPut<ip>:ATTenuation:AUTO......................................................................................................................... 75

INPut<ip>:ATTenuation:LIMiter[:STATe]...........................................................................................................71

INPut<ip>:ATTenuation:PROTection[:STATe]...................................................................................................76

INPut<ip>:ATTenuation[:VALue]...................................................................................................................... 76

INPut<ip>:COUPling........................................................................................................................................70

INPut<ip>:GAIN:AUTO.................................................................................................................................... 76

INPut<ip>:GAIN:LNA:AUTO............................................................................................................................ 77

INPut<ip>:GAIN:LNA:STATe............................................................................................................................77

INPut<ip>:GAIN:STATe....................................................................................................................................77

INPut<ip>:IMPedance......................................................................................................................................70

INPut<ip>:TYPE...............................................................................................................................................71

INSTrument:CREate:DUPLicate......................................................................................................................51

INSTrument:CREate:REPLace........................................................................................................................52

INSTrument:CREate[:NEW].............................................................................................................................52

INSTrument:DELete.........................................................................................................................................53

INSTrument:LIST?...........................................................................................................................................53

INSTrument:REName......................................................................................................................................53

INSTrument[:SELect].......................................................................................................................................54

LAYout:ADD[:WINDow]?.................................................................................................................................. 56

LAYout:CATalog[:WINDow]?............................................................................................................................ 57

LAYout:IDENtify[:WINDow]?............................................................................................................................ 57

LAYout:REMove[:WINDow]..............................................................................................................................58

LAYout:REPLace[:WINDow]............................................................................................................................ 58

LAYout:SPLitter................................................................................................................................................ 58

LAYout:WINDow<n>:ADD?..............................................................................................................................60

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R&S®ESW-K58

List of commands

LAYout:WINDow<n>:IDENtify?........................................................................................................................ 60

LAYout:WINDow<n>:REMove..........................................................................................................................61

LAYout:WINDow<n>:REPLace........................................................................................................................ 61

MMEMory:STORe<n>:TRACe.........................................................................................................................91

OUTPut<ou>:LINK...........................................................................................................................................72

OUTPut<ou>:PROBe<pb>[:POWer]................................................................................................................73

OUTPut<up>:TRIGger<tp>:DIRection.............................................................................................................81

SYSTem:PRESet:CHANnel[:EXEC]................................................................................................................ 54

SYSTem:SPEaker:MAXVolume.......................................................................................................................72

SYSTem:SPEaker:MUTE.................................................................................................................................73

SYSTem:SPEaker:VOLume.............................................................................................................................73

TRACe<n>[:DATA]?......................................................................................................................................... 64

TRIGger[:SEQuence]:DTIMe...........................................................................................................................80

TRIGger[:SEQuence]:IFPower:HOLDoff......................................................................................................... 81

TRIGger<tp>[:SEQuence]:HOLDoff[:TIME].....................................................................................................80

TRIGger<tp>[:SEQuence]:LEVel[:EXTernal]....................................................................................................79

TRIGger<tp>[:SEQuence]:SLOPe...................................................................................................................81

TRIGger<tp>[:SEQuence]:SOURce................................................................................................................ 79

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