Agilent 8991A Data Sheet

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Programming Manual

bOZ

HP 8991A

Peak Power Analyzer

P

HEWLETT
PACKARD

4

Printed in USA

19Q

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Bouievaro

350528039

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HEWLETT

PACKARD

October

Jim

Government
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Subject:
Dear

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Inregardsto

must

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1997

Carlton

-Industry

Operations

Center

California91718-8000

COPYRIGHT

Mr.

Canton:

Copyright

the

documents

include

the

following

Data

RELEASE

‘Copyright-Hewlett-Packard

Hewlett-Packard
butnot

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consequential
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or

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data.”

makes

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no

implied

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HP part number
Printed in USA

Notice.

The information contained in this document is subject to
change without notice.

Hewlett-Packard makes no warranty of any kind with
regard to this material, including but not limited to,
the implied warranties of merchantability and fitness
for a particular purpose
liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing,
performance, or use of this material.

: 08991-90002

July 1995

. Hewlett-Packard shall not be

© Copyright Hewlett-Packard Company 1992, 1995
All Rights Reserved
or translation without prior written permission is
prohibited, except as allowed under the copyright laws.

1400 Fountaingrove Parkway, Santa Rosa, CA
95403-1799, USA

. Reproduction, adaptation,



Certification

Warranty

Hewlett-Packard Company certifies that this product
met its published specifications at the time of shipment
from the factory
that its calibration measurements are traceable to the
United States National Institute of Standards and
Technology, to the extent allowed by the Institute's
calibration facility, and to the calibration facilities of
other International Standards Organization members.

This Hewlett-Packard instrument product is warranted
against defects in material and workmanship for a period

of one year from date of shipment

period, Hewlett-Packard Company will, at its option,
either repair or replace products which prove to be
defective.

For warranty service or repair, this product must

be returned to a service facility designated by

Hewlett-Packard

Hewlett-Packard and Hewlett-Packard shall pay shipping
charges to return the product to Buyer

shall pay all shipping charges, duties, and taxes for
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. Hewlett-Packard further certifies

. During the warranty

. Buyer shall prepay shipping charges to

. However, Buyer

Hewlett-Packard warrants that its software and
firmware designated by Hewlett-Packard for use
with an instrument will execute its programming
instructions when properly installed on that instrument.
Hewlett-Packard does not warrant that the operation
of the instrument, or software, or firmware will be
uninterrupted or error-free.

m



LIMITATION OF WARRANTY

The foregoing warranty shall not apply to defects
resulting from improper or inadequate maintenance
by Buyer, Buyer-supplied software or interfacing,
unauthorized modification or misuse, operation outside
of the environmental specifications for the product, or
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NO OTHER WARRANTY IS EXPRESSED OR
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DISCLAIMS THE IMPLIED WARRANTIES OF
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PARTICULAR PURPOSE.

EXCLUSIVE REMEDIES

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iv

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.) Ltd.

Vi

This manual explains how to program the HP 8991A
Peak Power Analyzer and lists the commands and
queries associated with this instrument
eighteen chapters and two appendices.

. It is divided into

Chapter 1

required to program this instrument and provides
some basic programming concepts to get you started
programming.

Chapter 2

general concepts of HP-IB.

Chapter 3

operate in compliance with the
This chapter also describes the

features that are available over the HP-IB.

Chapter

program the instrument as well as conventions used in

the remainder of this manual
following:

A complete command tree
A figure showing front panel menus and related

HP-IB commands

A figure showing front panel keys and related HP-IB

commands

An alphabetic command cross-reference.

introduces you to the programming syntax

describes the interface functions and some

describes the operation of instruments that

IEEE 488.2standard.
status reporting

4 covers the conventions which are used to

. Also included are the

Chapter 5

commands defined by IEEE 488
control some functions that are common to all IEEE
488

.2 instruments.

Chapter 6

control many of the basic functions of the instrument.

lists the

lists the

Common Commands

. These commands

.2

Root Level Commands

which are the

which

vii

Chapter

which control some basic functions of the Peak Power
Analyzer.

7 lists the

System Subsystem Commands

Chapter

which set the parameters for acquiring and storing
data.

Chapter 9

which are used to set time nulls (channel-to-channel
skew), and for zeroing at low power.

Chapter 10

which control all Y-axis Peak Power Analyzer
functions.

Chapter 11 lists the Display Subsystem Commands

which control how waveforms, amplitude and time
markers, graticule, and text are displayed and written
on the screen.

Chapter 12

whichisused to specify the carrier frequency of the

CW/pulsed source being measured.

Chapter 13

which control the waveform math functions of the

Peak Power Analyzer.

Chapter 14

which control the parameters used during the plotting

or printing of waveforms.

8 lists the

lists the

lists the

lists the

lists the

lists the

Acquire Subsystem Commands

Calibrate Subsystem Commands

Channel Subsystem Commands

Frequency Subsystem Command

Function Subsystem Commands

Hardcopy Subsystem Commands

Chapter 15

which select the automatic measurements to be made.

Chapter 16

which control all X-axis Peak Power Analyzer
functions.

Chapter 17 lists the Trigger Subsystem Commands

which control the trigger modes and parameters for
each trigger mode

lists the

lists the

Measure Subsystem Commands

Timebase Subsystem Commands

.





Introduction to Programming the

HP 8991A

HP 8991A Peak Power Analyzer

Serial Numbers

Chapter

which provide access to waveform data
active data from channels and functions as well as
static data from waveform memories.

Appendix A

measurements are calculated and offers some tips on
how to improve results.

Appendix B

command set from the Peak Power Analyzer.
At the end of the manual is a complete

reference of commands and functions.

Attached to the rear panel of the instrument is a

serial number plate
OOOOA00000

the serial number prefix

suffix
changes only when a configuration change is made to the

instrument

and is different for each instrument.

18 lists the

provides details on how automatic

contains

. The first four digits and the letter are

. The prefix is the same for identical instruments

. The suffix, however, is assigned sequentially

Waveform Subsystem Commands

. Data can be

example programs

. The serial number is in the form:

. The last five digits are the

using the

index

for easy

; it

This manual applies to instruments with serial numbers
prefixed 3238A and above

.

ix

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Contents

1

. Introduction to Programming the HP 8991A

Peak Power Analyzer

Introduction

Controllers Other Than

Hewlett-Packard

Programming Syntax




Talking to the Peak Power Analyzer
Addressing the Peak Power Analyzer
Program Message Syntax

Separator
Command Syntax
Query Command

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


Program Header Options
Program Data

Prnoram Macca



gp

Terminatnr

selecting multiple subsystems
Summary

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





Programming the Peak Power Analyzer

Initialization
Autoscale





Setting Up the Peak Power Analyzer
Returning to Local
Aborting Lengthy Commands





Receiving Information from the Peak

Power Analyzer
Response Header Options
Response Data Formats

String Variables

Numeric Variables

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Definite-Length Block Response Data

1-1

1-2
1-3
1-3

1-4
1-5

1-6
1-6
1-8
1-9

1-10

1-1n

1-11

1-11
1-12
1-12
1-12
1-13
1-14
1-14

1-15
1-16
1-17
1-18
1-19

1-19

Contents-1

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

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Multiple Queries
Instrument Status
Digitize Command

2.

Interface Functions

Introduction
Interface Capabilities

Command and Data Concepts

Addressing

Addressed Mode
Talk-Only Mode

Remote, Local and Local Lockout
Bus Commands

Device Clear
Group Execute Trigger (GET)
Interface Clear (IFC)

Status Annunciators

3.

Message Communication and System Functions

Introduction

Protocols

Functional Elements

Protocol Overview
Protocol Operation
Protocol Exceptions

Syntax Diagrams
Syntax Overview

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





Input Buffer

Output Queue
Parser

Addressed to talk with nothing to

say

Addressed to talk with no

listeners on the bus

Command Error
Execution Error

Device-specific Error
Query Error

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.

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1-20
1-21
1-21

2-1
2-1
2-1
2-2
2-2

2-2
2-3
2-3
2-4
2-4
2-4
2-4

3-1
3-1

3-1
3-1

3-2
3-2

3-2

3-3

3-4

3-4

3-4
3-4
3-4

3-5
3-5
3-6
3-7

Contents-2

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Device Listening Syntax

Upper/Lower Case Equivalence
<white space>
<program message>
<program message unit>
<program message unit

separator>

<command program

header>/<query program
header>

<program data>

Suffix Multiplier

Suffix Unit
<program data separator>
<program header separator>
<program message terminator>

Device Talking Syntax

<response message>
<response message unit>

<response header>
<response data>

<response data separator>
<response header separator>

<response message unit

separator>

<response message terminator>

Common Commands
Status Reporting

Bit Definitions

CME - command error
DDE - device dependent error
ESB - event status bit

EXE - execution error
LCL - local
LTF - limit test failure
MAV - message available
MSG - Message
MSS - master summary status

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. .

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3-9
3-9
3-9
3-9

3-10

3-11

3-11
3-15
3-17
3-17
3-20
3-20
3-21

3-23

3-24

3-24
3-24
3-26
3-29
3-30

3-30
3-30
3-31
3-33

3-34
3-34

3-34
3-35
3-35
3-35
3-35
3-35

3-35
3-35

Contents-3

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OPC - operation complete

PON -

QYE - query error
RQC - request control

RQS -

TRG - trigger
URQ - user request

Key Features

Operation Complete
The Trigger Bit
Status Byte

Serial Poll

Using Serial Poll
Parallel Poll
Polling
Configuring Parallel Poll Responses

Example:

Example:
Conducting a Parallel Poll

Example
Disabling Parallel Poll Responses

Examples:
HP-IB Commands

Parallel Poll Unconfigure

Parallel Poll Configure Command 3-42

Parallel Poll Enable Command

Parallel Poll Disable Command

power on

request service

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HP-IB

Command

Devices

:

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3-35
3-35
3-35
3-35

3-35
3-35
3-36
3-36
3-36
3-36
3-37

3-37
3-37
3-38

3-40
3-41

3-41
3-41
3-41
3-42
3-42
3-42

3-42

3-42

.

3-43

.

3-43

Contents-4

4

. Programming and Documentation Conventions

Introduction
Truncation Rules
The Command Tree

Command Types
Tree Traversal Rules
Examples

Example 1:
Comments:

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4-1

4-1
4-15
4-15
4-15
4-16
4-16
4-16

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Example 2:
Comments:
Example 3:

Comments:
Infinity Representation
Sequential and Overlapped Commands
Response Generation
Notation Conventions and Definitions
Syntax Diagrams
Command Structure

Common Commands
Root Level Commands
Subsystem Commands

Program Examples
Command Set Organization

5

. Common Commands

Introduction

*CLS (Clear Status)

Command Syntax:

Example:

*ESE

Command Syntax:

Example:

Query Syntax

Returned Format:
Example:

*ESR? (Event Status Register)

Query Syntax:

Returned Format:
Example:

*IDN? (Identification Number)

Query Syntax:

Returned Format:
Example:

*IST? (Individual Status Query)

Query Syntax

Returned Format:



(Event Status Enable)

:

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:

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4-17
4-17
4-17
4-17
4-18

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4-18

4-18

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. .

.

4-19
4-20
4-20
4-20
4-20
4-21

4-23
4-25

5-1
5-5

5-5
5-5

5-6
5-6
5-6
5-7
5-7

5-7
5-8
5-8
5-8

5-8
5-10
5-10

5-10
5-10
5-11
5-11
5-11

Contents-5





Example:

*LRN? (Learn)

Query Syntax:

Returned Format:
Example:

*OPC (Operation Complete)

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

*OPT?

*PRE (Parallel Poll Register Enable)

*RCL (Recall)

*RST (Reset)

*SAV (SAVE)

*SRE (Service Request Enable)

*STB (Status Byte)



Query Syntax:

Return Syntax:
Example:

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

Command Syntax:

Example

Command Syntax:

Example:

Command Syntax:

Example:

Command Syntax:

Example

Query Syntax:

Returned Format:
Example:

Query Syntax:

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:

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:

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5-11
5-12
5-13

5-13

5-13
5-14

5-14

5-14

5-14
5-14

5-14

5-15

5-15

5-15

5-15

5-16

5-16
5-16
5-17
5-17
5-17
5-18
5-18
5-18
5-19

5-19
5-19
5-23
5-23

5-23
5-24
5-24
5-24
5-25
5-25
5-25
5-26
5-26

Contents-6



Returned Format:
Example:

*TRG (Trigger)



Command Syntax:

Example:

*TST? (Test)



Query Syntax:

ReturnedFormat
Example:

*VVAI(Wujt)



Command Syntax:

6

. Root Level Commands

Introduction
AUToscale





Command Syntax:

Example:

BEEPer



Command Syntax:

Example:

Query Syntax



Returned Format:
Example:

BLANk



Command Syntax:

Example:

DIGitize



Command Syntax:

Example:

EOI (End or Identify)

Command Syntax:

Example:

Query Syntax


Returned Format:
Example:

ERASe



Command Syntax:

5-26
5-26

5-28
5-28
5-28
5'29
5'30

:

5-30
5-30

5'31
5'31

5'1

6-5
6-0

6'6
0'7
6-7
6-7
0'7
6'7

6'7

6-8
0'8

6-8
6-9

0'10
0'10

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6-11

0'11

6-11

6-11
6-11

0'11

6'12
0'12

Contents-7





Example:

LER? (Local Event Register)

Query Syntax:

Returned Format:
Example:

LTER? (Limit Test Event Register)

Query Syntax:

Returned Format:
Example:

MENU

MERGe

PRINt?

RUN

SOURce

STOP

STORe

TER? (Trigger Event Register)



Command Syntax:

:

Example

Query Syntax

Returned Format:
Example:

Command Syntax:

Example:

Query Syntax

First Example:
Second Example



Command Syntax:

Example:

Command Syntax

Example

Query Syntax

Returned Format
Example



Command Syntax:

Example:



Command Syntax:

Example:

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:

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:

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:

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6-12
6-13
6-13
6-13
6-13

.

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6-14

6-14

6-14

6-14

6-15
6-15

6-15

6-15
6-16
6-16
6-17
6-17
6-17

6-18
6-18

6-18
6-19
6-20
6-20
6-20

6-21
6-21
6-21
6-21

6-21
6-21

6-22
6-22
6-22
6-23
6-23
6-23
6-24

Contents-8

Query Syntax

Returned Format:
Example:

VIEW



Command Syntax:

Example

7

. System Subsystem

Introduction

DSP



Command Syntax:

Example:

Query Syntax

Returned Format:
Example:

ERRor?



Query Syntax:

Returned Format:
Example

HEADer



Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

KEY



Command Syntax:

Example:

Query Syntax

Returned Format:

Example:

LONGform



Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:



6-34
6-24
6-24
6-25
6-25

:

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

6-25

7-1

7'3
7'3
7-3

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7-4

7'4

7-4
7-5
7'5
7-5

:

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7-0
7-9
7-0
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7'9

7-9

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7'12
7'12

7-12

7-15
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7-15
7-10

7'18
7'10

Contents-9

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

SETup

. Acquire Subsystem

8

Introduction
(Normal) Persistence mode

Averaging Mode
Envelope Mode
COMPlete

COUNt

POINts

TYPE



Command Syntax:

:

Example

Query Syntax

Returned Format:
Example:

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

Command Syntax:

Example:

Query Syntax

Returned Format
Example:



Command Syntax:

Example:







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7-17
7-17

7-18
7-18

7-18
7-19

7-19
7-19

:

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:

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:

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7-20
7-20

7-20

8-1
8-2
8-2
8-3
8-5

8-6
8-6

8-6
8-6
8-6

8-7
8-7
8-7
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8-8
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8-9

8-10
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8-10
8-10
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8-11
8-11

Contents-10

:

Query Syntax

Returned Format:
Example:

9.

Calibrate Subsystem

Introduction

REFerence

Command Syntax

Example:

TNUL1

ZERo

10. Channel Subsystem

Introduction
BWMode

COUPling

ECL

FACTor



Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:



Command Syntax:

Example



Bandwidth Key

Command Syntax

Query Syntax

Returned Format:
Example:



Command Syntax:

Example:

Query Syntax

Returned Format:
Example:



Command Syntax:

Example:



Command Syntax:







:

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8-11
8-11
8-11

9-1
9-2

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9-2

9-2

9-3
9-3
9-3

9-4
9-4
9-4
9-5
9-6
9-6

10-1
10-4
10-4
10-4
10-5

10-5
10-5
10-6
10-6
10-6
10-7
10-7
10-7

10-8
10-8
10-8
10-9
10-9

Contents-11

Example:

Query Syntax:

Returned Format:

Example:

HFReject

Command Syntax:

Query Syntax:

OFFSet

Command Syntax:

Query Syntax:

PROBe

Command Syntax:

Query Syntax:

RANGe

Command Syntax

Command Syntax

Query Syntax:

SENSor?

Query Syntax:

SENSor

Query Syntax



Example:

Returned Format:

Example:



:

Example

Returned Format:
Example:

Example:

Returned Format:
Example:

Example:

Example

Returned Format:
Example:

Returned Format
Example:

Returned Format
Example:







:





:TEMPerature?

: (Channels 1 and 4) 10-18

: (Channels 2 and 3) 10-18

:







:



10-9
10-10
10-10

10-10

10-11

10-11
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10-12

10-12
10-12
10-13
10-13
10-13
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10-14
10-14
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Contents-12



SPAN



Command Syntax:

Example:

Query Syntax:

Returned Format

:



TTL

Example


Command Syntax

:

Example



:



:



10-24
10-24
10-24
10-25

10-25
10-25
10-26
10-26
10-26

11.Display Subsystem
Introduction

ATMarker

Command Syntax

Example:

Query Syntax:

Returned Format:
Example:

COLumn

Command Syntax:

Example:

Query Syntax:

Returned Format:

F

.xamri1P

CONNect

Command Syntax:

Example:

Query Syntax:

Returned Format:

Example:

DATA

Command Syntax:

Query Syntax:

Returned Format:
Example

FORMat

Command Syntax

Example:





:



11-1
11-5

11-5
11-5
11-6
11-6
11-6



11-7
11-7
11-7
11-7
11-7

11-7

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11-8
11-8

11-8
11-8
11-8
11-8



11-9
11-10
11-11
11-11

:





:



11-11
11-12
11-12
11-12

Contents-13

Query Syntax:

Returned Format:
Example:

GRATicule

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

IN Verse

Command Syntax:

Example

Query Syntax

Returned format
Example:

LINE

Command Syntax:

Example

MASK

Command Syntax:

Example

Query Syntax:

Return Format:
Example:

PERSistence

Command Syntax:

Example

Query Syntax:

Returned Format:
Example:

ROW

Command Syntax:

Example:

Query Syntax:

Returned Format

Example

SCReen

Command Syntax:





:





:





:





:





:

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

11-12
11-12
11-12
11-13
11-13
11-13
11-13
11-13
11-13
11-14
11-14

11-14

:



:



11-14
11-14
11-14
11-15
11-16
11-16
11-17
11-17
11-17

11-18
11-18

11-18
11-19
11-19
11-19

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11-20
11-20
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11-21
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11-22

:



11-22
11-22
11-23
11-23

Contents-14

Example:

Query Syntax:

Returned Format:
Example:

SOURce

STRing

TEXT

TMARker

VMARker



Command Syntax

Example:

Query Syntax:

Returned Format:
Example:



Command Syntax

Example:



Command Syntax

Example:



Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:



Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

11-23
11-24

11-24
11-24

11-25

:



:



:



11-25
11-25

11-26
11-26
11-26
11-27
11-27
11-27
11-28
11-28
11-28
11-29

11-29
11-29
11-29
11-29
11-29
11-30

11-30
11-30
11-30
11-30
11-30

12

. Frequency Subsystem

Introduction

CHANnel

Command Syntax:

Example:

Query Syntax:

Returned Format
Example:





12-1
12-2

12-2
12-2
12-3



Contents-15

12-3
12-3

13

. Function Subsystem

Introduction
ADD



Command Syntax:

Example:

DIVide

OFFSet

ONLY

RANGe

SUBTract

UNITs?

VERSus



Command Syntax:

Example:



Command Syntax:

Example:

Query Syntax

Returned Format:
Example:



Command Syntax:

Example:



Command Syntax:

Example:

Query Syntax

Returned Format:
Example:



Command Syntax:

Example:



Query Syntax:

Returned Format:
Example:



Command Syntax

Example:



:



:



:



13-1
13-4
13-4

13-4
13-5
13-5
13-6
13-7
13-7
13-7
13-8
13-8
13-8
13-9
13-9

13-9
13-10
13-10
13-10
13-11

13-11
13-11

13-12
13-12
13-12
13-13
13-13
13-13
13-13
13-14

13-15
13-15

Contents-16



14.

Hardcopy Subsystem

Introduction

LENGth

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example

PAGE

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:





:





14-1
14-2
14-2
14-2
14-2
14-2
14-2

14-3
14-3
14-3
14-3
14-3
14-3

15.

Measure Subsystem

Introduction
Faster Automatic Measurements

Measurement Setup
User-Defined Measurements

Measurement Error
Measurement Procedure
Making Measurements

ALL?



Query Syntax:

Returned Format:
Example:

ATMarker?

Related Commands
Query Syntax:

Returned Format:
Example

ATMarker

Related Commands

Query Syntax:

Returned Format:
Example:

AUTodig





:

:UNITs?





15-1

.

















15-1
15-2
15-2
15-3
15-4
15-4

15-15
15-15
15-15
15-16

15-17
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Contents-17

Command Syntax

Example

Query Syntax:

Returned Format:

Example:

COMPare

Related Commands

Command Syntax:

Query Syntax:

CURSor?

Query Syntax:

DEFine

Related Commands
Command Syntax

Query Syntax:

DELay

Command Syntax:

Query Syntax:

DESTination

Related Commands
Command Syntax:

Query Syntax:

DUTycycle

Command Syntax:





Example:

Returned Format:
Example:



Returned Format:
Example:



Example:

Returned Format:
Example:



Example:

Returned Format:

Example:



Example:

Returned Format
Example:









:





:



15-22
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15-23
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Contents-18

Example:

Query Syntax:

Returned Format:
Example:

ESTArt

ESTOp

FALLtime

FREQuency

LIMittest

LOWer



Command Syntax:

Example:

Query Syntax:

Returned Format:

:

Example



Command Syntax:

Example:

Query Syntax:

Returned Format:
Example

Command Syntax

Example:

Query Syntax:

Returned Format:
Example:

Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:

Related Commands
Command Syntax

Example:


Related Commands
Command Syntax:

Example:

Query Syntax:

Returned Format:



:









15-34
15-35
15-35
15-35
15-36
15-37
15-37
15-37
15-37

15-37
15-38
15-39
15-39
15-39

15-39
15-39

15-40

:





:





15-40

15-40
15-41
15-41
15-41
15-42

15-42
15-42
15-43
15-43
15-43
15-44

15-44
15-44

15-44
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Contents-19

Example:

MODE

NWIDth

OVERshoot

PERiod

POSTfailure

PRECision



Related Commands
Command Syntax:

Example:

Query Syntax:

Returned Format:
Example:



Command Syntax:

:

Example

Query Syntax:

Returned Format:
Example:

Command Syntax:

Example:

Query Syntax:

Returned Format:

Example:

Command Syntax:

Example

Query Syntax:

Returned Format:
Example:

Related Commands
Command Syntax:

Example:

Query Syntax

Returned Format
Example:

Command Syntax:

Example:

Query Syntax:

Returned Format:







:







15-46
15-47





:



:



15-47
15-47
15-47
15-47

15-47
15-47
15-48

15-48

15-48
15-49
15-49

15-49
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15-51

15-51

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15-52

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15-53
15-53
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15-54
15-54

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15-55

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Contents-20