RIGOL DS7054, DS7024, MSO7034, MSO7024, MSO7054 Users guide

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User Guide

MSO7000/DS7000 Series Digital

Oscilloscope

Sept. 2019

RIGOL (SUZHOU) TECHNOLOGIES INC.

RIGOL

Guaranty and Declaration

Trademark Information

RIGOL is a registered trademark of RIGOL (SUZHOU) TECHNOLOGIES INC.

Publication Number

UGA22103-1110

Software Version

00.01.01.09.01 Software upgrade might change or add product features. Please acquire the latest version of the manual from RIGOL website or contact RIGOL to upgrade the software.

Notices

 RIGOL products are covered by P.R.C. and foreign patents, issued and pending.  RIGOL reserves the right to modify or change parts of or all the specifications

and pricing policies at the company’s sole decision.

 Information in this publication replaces all previously released materials.  Information in this publication is subject to change without notice.  RIGOL shall not be liable for either incidental or consequential losses in

connection with the furnishing, use, or performance of this manual, as well as any information contained.

 Any part of this document is forbidden to be copied, photocopied, or rearranged

without prior written approval of RIGOL.

Product Certification

RIGOL guarantees that this product conforms to the national and industrial standards in China as well as the ISO9001:2015 standard and the ISO14001:2015 standard. Other international standard conformance certifications are in progress.

If you have any problem or requirement when using our products or this manual, please contact RIGOL. E-mail: service@rigol.com Website: www.rigol.com

MSO7000/DS7000 User Guide I

RIGOL

Safety Requirement

General Safety Summary

Please review the following safety precautions carefully before putting the instrument into operation so as to avoid any personal injury or damage to the instrument and any product connected to it. To prevent potential hazards, please follow the instructions specified in this manual to use the instrument properly.

Use Proper Power Cord.

Only the exclusive power cord designed for the instrument and authorized for use within the local country could be used.

Ground the Instrument.

The instrument is grounded through the Protective Earth lead of the power cord. To avoid electric shock, connect the earth terminal of the power cord to the Protective Earth terminal before connecting any input or output terminals.

Connect the Probe Correctly.

If a probe is used, the probe ground lead must be connected to earth ground. Do not connect the ground lead to high voltage. Improper way of connection could result in dangerous voltages being present on the connectors, controls or other surfaces of the oscilloscope and probes, which will cause potential hazards for operators.

Observe All Terminal Ratings.

To avoid fire or shock hazard, observe all ratings and markers on the instrument and check your manual for more information about ratings before connecting the instrument.

Use Proper Overvoltage Protection.

Ensure that no overvoltage (such as that caused by a bolt of lightning) can reach the product. Otherwise, the operator might be exposed to the danger of an electric shock.

Do Not Operate Without Covers.

Do not operate the instrument with covers or panels removed.

Do Not Insert Objects Into the Air Outlet.

Do not insert anything into the holes of the fan to avoid damaging the instrument.

Use Proper Fuse.

Please use the specified fuses.

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Avoid Circuit or Wire Exposure.

Do not touch exposed junctions and components when the unit is powered on.

Do Not Operate With Suspected Failures.

If you suspect that any damage may occur to the instrument, have it inspected by RIGOL authorized personnel before further operations. Any maintenance, adjustment or replacement especially to circuits or accessories must be performed by RIGOL authorized personnel.

Provide Adequate Ventilation.

Inadequate ventilation may cause an increase of temperature in the instrument, which would cause damage to the instrument. So please keep the instrument well ventilated and inspect the air outlet and the fan regularly.

Do Not Operate in Wet Conditions.

To avoid short circuit inside the instrument or electric shock, never operate the instrument in a humid environment.

Do Not Operate in an Explosive Atmosphere.

To avoid personal injuries or damage to the instrument, never operate the instrument in an explosive atmosphere.

Keep Product Surfaces Clean and Dry.

To avoid dust or moisture from affecting the performance of the instrument, keep the surfaces of the instrument clean and dry.

Prevent Electrostatic Impact.

Operate the instrument in an electrostatic discharge protective environment to avoid damage induced by static discharges. Always ground both the internal and external conductors of cables to release static before making connections.

Use the Battery Properly.

Do not expose the battery (if available) to high temperature or fire. Keep it out of the reach of children. Improper change of a battery (lithium battery) may cause an explosion. Use the RIGOL specified battery only.

Handle with Caution.

Please handle with care during transportation to avoid damage to keys, knobs, interfaces, and other parts on the panels.

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WARNING

Indicates a potentially hazardous situation or practice which, if not avoided, will result in serious injury or death.

CAUTION

Indicates a potentially hazardous situation or practice which, if not avoided, could result in damage to the product or loss of important data.

DANGER

It calls attention to an operation, if not correctly performed, could result in injury or hazard immediately.

WARNING

It calls attention to an operation, if not correctly performed, could result in potential injury or hazard.

CAUTION

It calls attention to an operation, if not correctly performed, could result in damage to the product or other devices connected to the product.

Hazardous

Voltage

Safety Warning

Protective Earth

Terminal

Chassis Ground

Test Ground

Safety Notices and Symbols

Safety Notices in this Manual:

Safety Terms on the Product:

Safety Symbols on the Product:

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WARNING

This oscilloscope can only be used for measurements within its specified

measurement categories.

WARNING

Measurement Category

MSO7000/DS7000 series digital oscilloscopes can make measurements in Measurement Category I.

Measurement Category Definitions

Measurement category I is for measurements performed on circuits not directly connected to MAINS. Examples are measurements on circuits not derived from MAINS, and specially protected (internal) MAINS derived circuits. In the latter case, transient stresses are variable. Thus, you must know the transient withstand capability of the equipment.

Measurement category II is for measurements performed on circuits directly connected to low voltage installation. Examples are measurements on household appliances, portable tools and similar equipment.

Measurement category III is for measurements performed in the building installation. Examples are measurements on distribution boards, circuit-breakers, wiring (including cables, bus-bars, junction boxes, switches and socket-outlets) in the fixed installation, and equipment for industrial use and some other equipment. For example, stationary motors with permanent connection to a fixed installation.

Measurement category IV is for measurements performed at the source of a low-voltage installation. Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units.

Ventilation Requirement

This oscilloscope uses a fan to force cooling. Please make sure that the air intake and exhaust areas are free from obstructions and have free air. When using the oscilloscope in a bench-top or rack setting, provide at least 10 cm clearance beside, above and behind the instrument for adequate ventilation.

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WARNING

To avoid short circuit inside the instrument or electric shock, never operate the instrument in a humid environment.

WARNING

Ensure that no overvoltage (such as that caused by a bolt of lightning) can reach the product. Otherwise, the operator might be exposed to the danger of an electric shock.

Working Environment

Temperature

Operating: 0℃ to +50℃ Non-operating: -30℃ to +70℃

Humidity

Operating: Below +30℃: ≤95%RH (without condensation) +30℃ to +40℃: ≤75%RH (without condensation) +40℃ to +50℃: ≤45%RH (without condensation)

Non-operating: Below 65℃: ≤95% RH (without condensation)

Altitude

Operating: below 3 km Non-operating: below 15 km

Installation (Overvoltage) Category This product is powered by mains conforming to installation (overvoltage) category II.

Installation (Overvoltage) Category Definitions

Installation (overvoltage) category I refers to signal level which is applicable to equipment measurement terminals connected to the source circuit. Among these terminals, precautions are done to limit the transient voltage to a low level. Installation (overvoltage) category II refers to the local power distribution level which is applicable to equipment connected to the AC line (AC power).

Pollution Degree

Pollution Degree 2

Pollution Degree Definition

Pollution Degree 1: No pollution or only dry, nonconductive pollution occurs. The

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CAUTION

To avoid damage to the instrument, do not expose it to caustic liquids.

WARNING

To avoid short-circuit resulting from moisture or personal injuries, ensure that the instrument is completely dry before connecting it to the power supply.

pollution has no effect. For example, a clean room or air-conditioned office environment. Pollution Degree 2: Normally only nonconductive pollution occurs. Temporary conductivity caused by condensation is to be expected. For example, indoor environment. Pollution Degree 3: Conductive pollution or dry nonconductive pollution that becomes conductive due to condensation occurs. To be found in industrial environment or construction sites (harsh environments). For example, sheltered outdoor environment. Pollution Degree 4: The pollution generates persistent conductivity caused by conductive dust, rain, or snow. For example, outdoor areas.

Safety Class

Class 1 – Grounded Product

Care and Cleaning

Care

Do not store or leave the instrument where it may be exposed to direct sunlight for long periods of time.

Cleaning

Clean the instrument regularly according to its operating conditions.

1. Disconnect the instrument from all power sources.

2. Clean the external surfaces of the instrument with a soft cloth dampened with

mild detergent or water. Avoid having any water or other objects into the chassis via the heat dissipation hole. When cleaning the LCD, take care to avoid scarifying it.

MSO7000/DS7000 User Guide VII

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Environmental Considerations

The following symbol indicates that this product complies with the WEEE Directive 2002/96/EC.

Product End-of-Life Handling

The equipment may contain substances that could be harmful to the environment or human health. To avoid the release of such substances into the environment and avoid harm to human health, we recommend you to recycle this product appropriately to ensure that most materials are reused or recycled properly. Please contact your local authorities for disposal or recycling information.

You can click on the following link

http://www.rigol.com/Files/RIGOL_RoHS2.0&WEEE.pdf to download the latest

version of the RoHS&WEEE certification file.

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MSO7000/DS7000 Series Overview

MSO7000/DS7000 series is a multifunctional and high-performance digital oscilloscope designed on the basis of the unique Ultra Vision II technique developed by RIGOL. Integrating 7 independent instruments into one, the MSO7000/DS7000 series is equipped with super sample bandwidth ratio, extremely high memory depth, clear display, excellent waveform capture rate, and powerful data analysis functions. Many of its specifications have reached the top level in the industry. It provides sound solutions for mainframes, optional & accessories, and application software. It has aroused great attention from customers in the areas such as industrial control, power supply, and automotive electronics.

Main Features:

 Analog bandwidth: 500 MHz, 350 MHz, 200 MHz, and 100 MHz; bandwidth

upgrade option supported

 4 analog channels, 1 EXT channel, and 16 optional digital channels  Up to 10 GSa/s real-time sample rate  Up to 500 Mpts memory depth (option)  High waveform capture rate (over 600,000 wfm/s)  Up to 450,000 frames of hardware real-time and ceaseless waveforms recording

and playing functions

 Integrates 7 independent instruments into 1, including digital oscilloscope,

16-channel logic analyzer, spectrum analyzer, dual-channel Function/Arbitrary Waveform Generator, digital voltmeter, 6-digit frequency counter and totalizer, and protocol analyzer

 A variety of serial protocol triggers and decodes  Auto measurement of 41 waveform parameters; full-memory hardware

measurement function

 A variety of math operations, built-in enhanced FFT analysis, and peak search

function

 Waveform histogram analysis (standard)  Independent search, navigation keys, and event table  Built-in advanced power analysis software (option)  User-defined one-key quick operation  10.1-inch capacitive multi-touch screen, 256-level intensity grading display, with

color persistence

 Multiple interfaces available: USB HOST & DEVICE, LAN(LXI), HDMI, TRIG OUT,

and USB-GPIB

 Web Control remote command  Unique online version upgrade  Novel and delicate industrial design, easy to operate

MSO7000/DS7000 User Guide IX

RIGOL

Document Overview

Main Topics of this Manual:

Chapter 1 Quick Start

Introduces the preparations before using the oscilloscope and provides a basic introduction of the instrument.

Chapter 2 To Set the Vertical System Introduces the vertical system functions of the oscilloscope.

Chapter 3 To Set the Horizontal System Introduces the horizontal system functions of the oscilloscope.

Chapter 4 To Set the Sample System Introduces the sample system functions of the oscilloscope.

Chapter 5 To Trigger the Oscilloscope

Introduces the trigger mode, trigger coupling, trigger holdoff, external trigger, and various trigger types of the oscilloscope.

Chapter 6 Operations and Measurements Introduces how to make math operation, auto measurement, and cursor measurement.

Chapter 7 Digital Voltmeter (DVM) and Frequency Counter

Introduces how to use the digital voltmeter and the frequency counter.

Chapter 8 Power Analysis (Option)

Introduces the power quality and output ripple noise of the input power.

Chapter 9 Histogram Analysis

Introduces the histogram analysis function.

Chapter 10 Digital Channel

Introduces how to use the digital channels of the mixed signal digital oscilloscope.

Chapter 11 Protocol Decoding

Introduces how to decode the input signal by using those common protocols.

Chapter 12 Reference Waveform

Introduces how to compare the input waveform with the reference waveform.

Chapter 13 Pass/Fail Test

Introduces how to monitor the input signal by using the Pass/Fail test.

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Chapter 14 Waveform Recording & Playing Introduces the waveform recording & playing function.

Chapter 15 Search and Navigation Function

Introduces the navigation function and how to quickly search the relevant events.

Chapter 16 Display Control

Introduces how to control the display of the oscilloscope.

Chapter 17 Function/Arbitrary Waveform Generator (MSO7000 Option)

Introduces how to use the built-in Function/Arbitrary Waveform Generator option.

Chapter 18 Store and Load Introduces how to store and load the measurement results and the setting of the oscilloscope.

Chapter 19 System Utility Function Setting

Introduces how to set the remote interfaces and system-related functions.

Chapter 20 Remote Control

Introduces how to control the oscilloscope remotely.

Chapter 21 Troubleshooting

Introduces how to deal with the common failures of the oscilloscope.

Chapter 22 Appendix

Provides the basic information for the options and accessories.

MSO7000/DS7000 User Guide XI

RIGOL

Label

Knob

Label

Knob

Horizontal SCALE

Horizontal Time Base Knob

Vertical SCALE

Vertical Scale Knob

Horizontal POSITION

Horizontal Position Knob

Vertical OFFSET

Vertical Offset Knob

Wave Vertical SCALE

Waveform Vertical Scale Knob

Trigger LEVEL

Trigger Level Knob

Wave Vertical POSITION

Waveform Vertical Position Knob

Multifunction Knob

Model

Analog Bandwidth

No. of Analog Channels

No. of Channels of Function/AWG

No. of Digital Channels

DS7054

500 MHz

——

DS7034

350 MHz

——

DS7024

200 MHz

——

DS7014

100 MHz

——

MSO7054

500 MHz

2, Opt.

MSO7034

350 MHz

2, Opt.

MSO7024

200 MHz

2, Opt.

MSO7014

100 MHz

2, Opt.

Format Conventions in this Manual:

1. Key

The key on the front panel is denoted by the format of "Key Name (Bold) + Text Box" in the manual. For example, Utility denotes the "Utility" key.

2. Menu

The menu items are denoted by the format of "Menu Word (Bold) + Character Shading". For example, System denotes the "System" menu item under

Utility.

3. Operation Procedures:

 denotes the next step of operation. For example, Utility  System denotes that first press Utility, and then press the System key.

4. Connector:

The connectors on the front or rear panel are usually denoted by the format of "Connector Name (Bold) + Square Brackets (Bold)". For example, [TRIG OUT].

5. Knob

Content Conventions in this Manual:

MSO7000/DS7000 series includes the following models. Unless otherwise specified, this manual takes MSO7054 as an example to illustrate the functions and operation methods of MSO7000/DS7000 series.

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Manuals of this Product:

Quick Guide, User Guide, Programming Guide, Data sheet, etc. For the latest version of this manual, download it from the official website of RIGOL (www.rigol.com).

MSO7000/DS7000 User Guide XIII

RIGOL Contents

Contents

Guaranty and Declaration ......................................................................... I

Safety Requirement ................................................................................. II

General Safety Summary........................................................................... II

Safety Notices and Symbols ..................................................................... IV

Measurement Category ............................................................................. V

Ventilation Requirement ............................................................................ V

Working Environment .............................................................................. VI

Care and Cleaning .................................................................................. VII

Environmental Considerations ................................................................. VIII

MSO7000/DS7000 Series Overview ....................................................... IX

Document Overview ................................................................................ X

Chapter 1 Quick Start ........................................................................ 1-1

General Inspection ................................................................................. 1-2

Appearance and Dimensions ................................................................... 1-3

To Prepare for Use ................................................................................. 1-4

To Adjust the Supporting Legs .......................................................... 1-4

To Connect to AC Power ................................................................... 1-4

Turn-on Checkout ............................................................................ 1-5

To Replace the Fuse ......................................................................... 1-5

To Connect the Probe ....................................................................... 1-6

Function Inspection ......................................................................... 1-9

Probe Compensation ...................................................................... 1-10

Front Panel Overview ........................................................................... 1-11

Rear Panel Overview ............................................................................ 1-12

Front Panel Function Overview .............................................................. 1-15

Vertical ......................................................................................... 1-15

Horizontal ..................................................................................... 1-16

Wave ............................................................................................ 1-17

Trigger ......................................................................................... 1-18

Clear ............................................................................................ 1-18

Auto ............................................................................................. 1-18

RUN/STOP .................................................................................... 1-18

Single ........................................................................................... 1-19

Multifunction knob ......................................................................... 1-19

Function Menu .............................................................................. 1-20

Touch Lock Key ............................................................................. 1-20

Quick Key (Shortcut Key) ................................................................ 1-21

User Interface ...................................................................................... 1-22

Touch Screen Controls .......................................................................... 1-26

Tap .............................................................................................. 1-26

Pinch & Stretch ............................................................................. 1-27

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Drag ............................................................................................. 1-27

Rectangle Drawing ......................................................................... 1-28

Parameter Setting Method ..................................................................... 1-30

To Use the Security Lock ....................................................................... 1-31

To Use the Built-in Help System ............................................................. 1-32

To View the Option Information and the Option Installation ...................... 1-33

Chapter 2 To Set the Vertical System ................................................. 2-1

To Enable or Disable the Analog Channel ................................................. 2-2

To Adjust the Vertical Scale .................................................................... 2-3

Vertical Expansion ................................................................................. 2-4

To Adjust the Vertical Offset ................................................................... 2-4

Channel Coupling .................................................................................. 2-5

Bandwidth Limit .................................................................................... 2-6

Probe Ratio ........................................................................................... 2-6

Input Impedance ................................................................................... 2-7

Waveform Invert ................................................................................... 2-8

To Set the Probe ................................................................................... 2-8

Passive Probe ................................................................................. 2-9

Active Probe ................................................................................... 2-9

Amplitude Unit ..................................................................................... 2-10

Channel Delay ...................................................................................... 2-10

Offset Cal ............................................................................................ 2-11

Channel Label ...................................................................................... 2-11

Chapter 3 To Set the Horizontal System ............................................. 3-1

To Adjust the Horizontal Time Base ......................................................... 3-2

To Adjust the Horizontal Position ............................................................. 3-3

Delayed Sweep ..................................................................................... 3-4

Chapter 4 To Set the Sample System .................................................. 4-1

Timebase Mode ..................................................................................... 4-2

YT Mode ........................................................................................ 4-2

XY Mode ........................................................................................ 4-2

ROLL Mode .................................................................................... 4-4

Acquisition Mode ................................................................................... 4-5

Normal .......................................................................................... 4-5

Average ......................................................................................... 4-5

Peak .............................................................................................. 4-6

High Resolution .............................................................................. 4-6

Sampling Mode ..................................................................................... 4-7

Sample Rate ......................................................................................... 4-7

LA Sample Rate ..................................................................................... 4-9

Memory Depth ...................................................................................... 4-9

LA Memory Depth ................................................................................. 4-10

Anti-Aliasing ......................................................................................... 4-10

Horizontal Expansion ............................................................................ 4-11

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Chapter 5 To Trigger the Oscilloscope ................................................ 5-1

Trigger Source ....................................................................................... 5-2

Trigger LEVEL/Threshold Level ................................................................ 5-3

Trigger Mode ......................................................................................... 5-4

Trigger Coupling..................................................................................... 5-6

Trigger Holdoff ....................................................................................... 5-6

Noise Rejection ...................................................................................... 5-7

Trigger Type .......................................................................................... 5-8

Edge Trigger ................................................................................... 5-9

Pulse Trigger ................................................................................. 5-10

Slope Trigger ................................................................................. 5-12

Video Trigger................................................................................. 5-15

Pattern Trigger .............................................................................. 5-17

Duration Trigger ............................................................................ 5-19

Timeout Trigger ............................................................................. 5-22

Runt Trigger .................................................................................. 5-23

Window Trigger ............................................................................. 5-25

Delay Trigger ................................................................................ 5-27

Setup/Hold Trigger......................................................................... 5-29

Nth Edge Trigger ........................................................................... 5-32

RS232 Trigger (Option) .................................................................. 5-33

I2C Trigger (Option) ....................................................................... 5-36

SPI Trigger (Option) ....................................................................... 5-38

CAN Trigger (Option) ..................................................................... 5-40

FlexRay Trigger (Option) ................................................................ 5-43

LIN Trigger (Option) ...................................................................... 5-45

I2S Trigger (Option) ....................................................................... 5-47

MIL-STD-1553 Trigger (Option) ....................................................... 5-50

Zone Trigger ........................................................................................ 5-52

Trigger Output Connector...................................................................... 5-54

Chapter 6 Operations and Measurements .......................................... 6-1

Math Operation ...................................................................................... 6-2

Addition .......................................................................................... 6-2

Subtraction ..................................................................................... 6-3

Multiplication ................................................................................... 6-4

Division .......................................................................................... 6-5

FFT ................................................................................................ 6-6

"AND" Operation ........................................................................... 6-10

"OR" Operation ............................................................................. 6-11

"XOR" Operation ............................................................................ 6-12

"NOT" Operation............................................................................ 6-14

Intg.............................................................................................. 6-15

Diff .............................................................................................. 6-16

Sqrt .............................................................................................. 6-17

Lg (Base 10 Exponential) ................................................................ 6-18

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Ln ................................................................................................ 6-19

Exp .............................................................................................. 6-20

Abs .............................................................................................. 6-21

Low Pass ....................................................................................... 6-22

High Pass ...................................................................................... 6-23

Band Pass ..................................................................................... 6-24

Band Stop ..................................................................................... 6-25

AX+B ............................................................................................ 6-26

Math Operation Label ..................................................................... 6-27

Auto Measurement ............................................................................... 6-28

Quick Measurement after AUTO....................................................... 6-28

Measurement Parameter ................................................................. 6-30

Measurement Settings .................................................................... 6-36

Remove the Measurement Result ..................................................... 6-39

Statistical Function ......................................................................... 6-39

All Measurement ............................................................................ 6-40

Cursor Measurement............................................................................. 6-40

Manual Mode ................................................................................. 6-42

Track Mode ................................................................................... 6-46

XY Mode ....................................................................................... 6-48

Measure Mode ............................................................................... 6-50

Chapter 7 Digital Voltmeter (DVM) and Frequency Counter ............... 7-1

Digital Voltmeter (DVM) ......................................................................... 7-2

To Enable or Disable DVM Measurement............................................ 7-2

To Select the Measurement Source ................................................... 7-2

To Select Measurement Mode ........................................................... 7-3

To Set the Limits ............................................................................. 7-3

Frequency Counter ................................................................................ 7-4

To Enable or Disable the Frequency Counter ...................................... 7-4

To Select the Measurement Source ................................................... 7-4

To Select the Measurement Item ...................................................... 7-4

To Set Resolution ............................................................................ 7-5

To Clear Count ................................................................................ 7-5

To Enable or Disable the Statistical Function ...................................... 7-5

Chapter 8 Power Analysis (Option) ..................................................... 8-1

Power Quality ....................................................................................... 8-2

Ripple .................................................................................................. 8-4

Chapter 9 Histogram Analysis ............................................................ 9-1

To Enable or Disable the Histogram Function ............................................ 9-2

To Select the Histogram Type ................................................................. 9-2

To Select the Histogram Source .............................................................. 9-2

To Set the Histogram Height ................................................................... 9-3

To Set the Histogram Range ................................................................... 9-3

To Enable or Disable the Statistical Function............................................. 9-3

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To Reset ................................................................................................ 9-4

Chapter 10 Digital Channel ................................................................ 10-1

To Select the Digital Channel ................................................................. 10-2

To Enable/Disable the Digital Channel .................................................... 10-2

To Set the Threshold ............................................................................ 10-3

Auto Arrangement Setting ..................................................................... 10-4

To Set the Waveform Display Size .......................................................... 10-4

To Set the Label ................................................................................... 10-4

Group Setting ...................................................................................... 10-5

Waveform Color of the Digital Channel ................................................... 10-6

Chapter 11 Protocol Decoding ........................................................... 11-1

Parallel Decoding ................................................................................. 11-2

RS232 Decoding (Option) ..................................................................... 11-7

I2C Decoding (Option) ........................................................................ 11-14

SPI Decoding (Option) ........................................................................ 11-18

LIN Decoding (Option) ........................................................................ 11-23

CAN Decoding (Option) ....................................................................... 11-28

FlexRay Decoding (Option) .................................................................. 11-33

I2S Decoding (Option) ........................................................................ 11-37

1553B Decoding (Option) .................................................................... 11-41

Chapter 12 Reference Waveform ....................................................... 12-1

To Enable Ref Function ......................................................................... 12-2

To Select the Reference Channel ............................................................ 12-2

To Select the Ref Source ....................................................................... 12-2

To Adjust the Ref Waveform Display ....................................................... 12-2

To Save to Internal Memory .................................................................. 12-3

To Clear the Display of the Reference Waveform ..................................... 12-3

To View Details of the Reference Waveform ............................................ 12-3

To Reset the Reference Waveform ......................................................... 12-4

Color Setting........................................................................................ 12-4

Label Setting ....................................................................................... 12-4

To Export to Internal or External Memory ............................................... 12-5

To Import from Internal or External Memory ........................................... 12-5

Chapter 13 Pass/Fail Test .................................................................. 13-1

To Enable or Disable the Pass/Fail Test Function ...................................... 13-2

To Start or Stop the Pass/Fail Test Operation ........................................... 13-2

To Select the Source ............................................................................. 13-2

To Create a Mask ................................................................................. 13-3

To Save the Mask ................................................................................. 13-3

To Load a Mask .................................................................................... 13-3

To Set the Output Form of the Test Results ............................................. 13-4

To Enable or Disable the Display of the Statistics of the Test Results ......... 13-5

Statistics Reset .................................................................................... 13-5

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Chapter 14 Waveform Recording & Playing ........................................ 14-1

Common Settings ................................................................................. 14-2

Record Options .................................................................................... 14-3

Play Options ........................................................................................ 14-4

Chapter 15 Search and Navigation Function ....................................... 15-1

Search Function ................................................................................... 15-2

Navigation Function .............................................................................. 15-4

Chapter 16 Display Control ................................................................. 16-1

To Select the Display Type ..................................................................... 16-2

To Set the Persistence Time .................................................................. 16-2

To Set the Waveform Intensity ............................................................... 16-3

To Set the Screen Grid .......................................................................... 16-3

To Set the Grid Brightness ..................................................................... 16-4

Scale ................................................................................................... 16-4

Color Grade ......................................................................................... 16-4

Waveform Freeze ................................................................................. 16-4

Chapter 17 Function/Arbitrary Waveform Generator (MSO7000 Option)

......................................................................................... 17-1

To Output Basic Waveforms ................................................................... 17-2

To Output Sine .............................................................................. 17-2

To Output Square .......................................................................... 17-3

To Output Ramp ............................................................................ 17-4

To Output Pulse ............................................................................. 17-4

To Output DC ................................................................................ 17-5

To Output Noise ............................................................................. 17-5

Sinc .............................................................................................. 17-6

Exp.Rise ........................................................................................ 17-6

Exp.Fall ......................................................................................... 17-7

ECG .............................................................................................. 17-7

Gauss ........................................................................................... 17-7

Lorentz ......................................................................................... 17-8

Haversine ...................................................................................... 17-8

To Output the Arbitrary Waveform .......................................................... 17-9

To Load the Channel and Waveform ................................................. 17-9

To Create the Waveform ............................................................... 17-10

To Edit Waveforms ....................................................................... 17-12

Modulation ........................................................................................ 17-13

AM ............................................................................................. 17-14

FM ............................................................................................. 17-15

FSK ............................................................................................ 17-15

Sweep ............................................................................................... 17-16

Burst ................................................................................................. 17-18

Chapter 18 Store and Load ................................................................. 18-1

Storage System .................................................................................... 18-2

MSO7000/DS7000 User Guide XIX

RIGOL Contents

Storage Type ....................................................................................... 18-2

Load Type ........................................................................................... 18-4

Internal Storage and Load..................................................................... 18-4

External Storage and Load .................................................................... 18-6

Binary Data Format (.bin) ..................................................................... 18-6

Binary Header Format .................................................................... 18-7

Disk Management ................................................................................ 18-9

To Select a File Type .................................................................... 18-10

To Create a Folder ....................................................................... 18-10

To Delete a File or Folder .............................................................. 18-14

To Copy and Paste a File or Folder ................................................. 18-15

To Rename a File or Folder ........................................................... 18-15

To Clear the Internal Memory Safely .............................................. 18-15

Factory Settings ................................................................................. 18-16

Chapter 19 System Utility Function Setting ....................................... 19-1

Remote Interface Configuration ............................................................. 19-2

LAN Configuration ......................................................................... 19-2

To Set mDNS ................................................................................. 19-5

To Set Host Name .......................................................................... 19-5

To Set the GPIB Address ................................................................ 19-6

To Set HDMI ................................................................................. 19-6

USB Connection ............................................................................. 19-6

System-related .................................................................................... 19-7

Beeper ......................................................................................... 19-7

Language ..................................................................................... 19-7

System Information ....................................................................... 19-7

Power On ...................................................................................... 19-7

Power Status ................................................................................. 19-8

Aux Output ................................................................................... 19-8

Help ............................................................................................. 19-9

Self-calibration .............................................................................. 19-9

Auto Config ................................................................................. 19-10

Print Setting ................................................................................ 19-10

Email .......................................................................................... 19-12

Key Locker .................................................................................. 19-13

Quick Operation .......................................................................... 19-13

Screen Saver ............................................................................... 19-17

Self-check ................................................................................... 19-17

System Time ............................................................................... 19-19

Default Option ............................................................................. 19-19

Chapter 20 Remote Control ............................................................... 20-1

Remote Control via USB ........................................................................ 20-2

Remote Control via LAN ........................................................................ 20-6

Remote Control via GPIB ....................................................................... 20-7

XX MSO7000/DS7000 User Guide

Contents RIGOL

Chapter 21 Troubleshooting ............................................................... 21-1

Chapter 22 Appendix .......................................................................... 22-1

Appendix A: Accessories and Options ..................................................... 22-1

Appendix B: Warranty ........................................................................... 22-3

Index .............................................................................................. 1

MSO7000/DS7000 User Guide XXI

Chapter 1 Quick Start RIGOL

Chapter 1 Quick Start

This chapter introduces the precautions when using the oscilloscope for the first time, the front/rear panels of the oscilloscope, the user interface, touch screen controls, and how to use the built-in help system.

Contents in this chapter:

 General Inspection  Appearance and Dimensions  To Prepare for Use  Front Panel Overview  Rear Panel Overview  Front Panel Function Overview  User Interface  Touch Screen Controls  Parameter Setting Method  To Use the Security Lock  To Use the Built-in Help System  To View the Option Information and the Option Installation

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General Inspection

1． Inspect the packaging

If the packaging has been damaged, do not dispose the damaged packaging or cushioning materials until the shipment has been checked for completeness and has passed both electrical and mechanical tests.

The consigner or carrier shall be liable for the damage to the instrument resulting from shipment. RIGOL would not be responsible for free maintenance/rework or replacement of the instrument.

2． Inspect the instrument

In case of any mechanical damage, missing parts, or failure in passing the electrical and mechanical tests, contact your RIGOL sales representative.

3． Check the accessories

Please check the accessories according to the packing lists. If the accessories are damaged or incomplete, please contact your RIGOL sales representative.

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134.2

Appearance and Dimensions

Figure 1-1 Front View Unit: mm

Figure 1-2 Vertical View Unit: mm

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RIGOL Chapter 1 Quick Start

(a) To unfold the supporting legs

(b) To fold the supporting legs

AC 100-240V , 45-440Hz ~Line:200W Max

~Fuse:AC 250VT3.15A

HAZARDOUS VOLTAGE INSIDE

DO NOT REMOVETHE COVER UNLESS BY SPECIFIED PERSONNEL.

WARNING: MAINTAIN GROUND TOAVOID ELECTRIC SHOCK

EXTTRIG

TRIG OUT

HOST

DEVICE

LAN

CAUTION

To avoid electric shock, ensure that the instrument is correctly grounded.

Power Cord Connector Supporting Legs

To Prepare for Use

To Adjust the Supporting Legs

Adjust the supporting legs properly to use them as stands to tilt the oscilloscope upwards for stable placement of the oscilloscope as well as better operation and observation. Users can also fold the supporting legs when the instrument is not in use for easier storage or shipment, as shown in Figure 1-3.

Figure 1-3 To Adjust the Supporting Legs

To Connect to AC Power

The input AC power requirements of the oscilloscope are 100~240 V, 45~440 Hz. Please use the power cord provided in the accessories to connect the oscilloscope to the AC power source via the power cord connector, as shown in Figure 1-4. After you turn on the power switch, the oscilloscope is connected to power, and the Power key located at the lower-left corner of the front panel is blinking.

Figure 1-4 To Connect to AC Power

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Tip

Restart and Shutdown:

1. Enable the touch screen and then tap the function navigation icon at the

lower-left corner of the screen to enable the function navigation.

2. Tap the "Restart" icon, and then the "Restart" selection menu is displayed,

as shown in the figure below:

3. If you tap the "Restart" icon , the oscilloscope will be powered off and

then automatically restart again. If you tap the "Shutdown" icon , the oscilloscope is powered off (you can also press the Power key at the lower-left corner of the front panel to turn off the oscilloscope).

Turn-on Checkout

When the oscilloscope is connected to power, press the Power key at the lower-left corner of the front panel to start the oscilloscope. (You can also press Utility  System  Power status, and select "Switch On". After the instrument is connected to power source, it will start directly. You can also enable the touch screen to perform the above operations.) During the start-up process, the oscilloscope performs a series of self-tests. After the self-test, the welcome screen is displayed.

To Replace the Fuse

If you need to replace the fuse, use only the specified fuse (AC 250V, T3.15A;

5.2mm× 20mm) and perform the following operations (as shown in Figure 1-5):

1． Turn off the instrument, cut off the power and remove the power cord. 2． Insert a slotted screwdriver into the slot of the fuse holder to pry it out. 3． Take out the fuse. 4． Replace the old fuse with a specified fuse. 5． Install the fuse holder.

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WARNING

To avoid electric shock, please ensure that the instrument has been turned off, the power source has been cut off, and the fuse to be used conforms

to the fuse rating.

Fuse Holder

Fuse

Figure 1-5 To Replace the Fuse

To Connect the Probe

RIGOL provides the passive probe, the active probe, and the logic probe for MSO7000/DS7000 series. For specific probe models, please refer to

MSO7000/DS7000 Series Datasheet

please refer to the specified Probe User Guide.

Connect the passive probe:

1. Connect the BNC terminal of the probe to an analog channel input terminal of

the oscilloscope on the front panel, as shown in Figure 1-6.

2. Connect the ground alligator clip or spring of the probe to the circuit ground

terminal, and then connect the probe tip to the circuit point to be tested.

. For detailed technical information of the probes,

Figure 1-6 To Connect the Passive Probe

After you connect the passive probe, check the probe function and probe compensation adjustment before making measurements. For detailed procedures,

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refer to "Function Inspection" and "Probe Compensation".

Connect the active probe:

Take RP7080 (active differential probe head) as an example.

1. Connect the probe head to the preamp of the active probe, as shown in Figure

1-7.

Figure 1-7 To Connect the Probe Head to the Preamp of the Active Probe

2. Connect the other end of the preamp to an analog channel input terminal of the

oscilloscope on the front panel, as shown in Figure 1-8. Note that you should push the probe to the end to ensure that it is tightly connected.

Figure 1-8 To Connect the Active Probe

3. Use the probe auxiliary equipment to connect the probe front to the circuit

under test. For details about the probes, refer to

User Guide

RP7000 Series Active Probe

After connecting the active probe, you can perform probe calibration and offset voltage adjustment if necessary. For detailed procedures, refer to the "Active

Probe" section.

Connect the logic probe:

1. Connect the single-wire terminal of the logic probe to the digital channel input

terminal on the front panel of the oscilloscope in the correct direction, as shown in Figure 1-9.

2. Connect the other terminal of the logic probe to the signal terminal under test.

RIGOL's MSO7000 series has a standard configuration of a logic probe RPL2316. To apply to different application scenarios, RPL2316 provides three connection

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methods to connect the signal under test. For details, refer to

Probe User Guide

RPL2316 Logic

Figure 1-9 To Connect the Logic Probe

Note:

 Before you connect the logic probe to the signal under test, connect logic

probe's adapter provided in the accessories to its corresponding channel group.

 The digital channel input terminal does not support hot plugging. Please do not

insert or pull out the logic probe when the instrument is in power-on state.

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WARNING

To avoid electric shock when using the probe, please make sure that the insulated wire of the probe is in good condition. Do not touch the metallic part of the probe when the probe is connected to high voltage

source.

Compensation Signal Output Terminal

Ground Terminal

Function Inspection

1. Press Default on the front panel, then a prompt message "Restore default?" is

displayed. Press OK or tap OK to restore the instrument to its factory default settings.

2. Connect the ground alligator clip of the probe to the "Ground Terminal" as

shown in Figure 1-10 below.

3. Use the probe to connect the input terminal of CH1 of the oscilloscope and the

"Compensation Signal Output Terminal" of the probe, as shown in Figure 1-10.

Figure 1-10 To Use the Compensation Signal

4. Set the probe attenuation to 10X, and then press AUTO.

5. Observe the waveform on the display. In normal condition, the square waveform

as shown in Figure 1-11 should be displayed.

Figure 1-11 Square Waveform Signal

6. Use the same method to test the other channels. If the square waveforms

actually shown do not match that in the figure above, please perform "Probe Compensation" introduced in the next section.

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Tip

The probe compensation signal can only be used for probe compensation adjustment and cannot be used for calibration.

Over compensated Perfectly compensated Under compensated

Probe Compensation

When the probes are used for the first time, you should compensate the probes to make them match the input channels of the oscilloscope. Non-compensated or poorly compensated probes may cause measurement inaccuracy or errors. The probe compensation procedures are as follows:

1. Perform Step 1, 2, 3 and 4 specified in "Function Inspection".

2. Check the displayed waveforms and compare them with Figure 1-12.

Figure 1-12 Probe Compensation

3. Use a nonmetallic screwdriver to adjust the low-frequency compensation

adjustment hole on the probe until the waveform is displayed as "Perfectly compensated" in the figure above.

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No.

Description

No.

Description

Capacitive Touch Screen

RUN/STOP Key

Function Menu Operation Keys

Single Trigger Control Key

Quick Key (Shortcut Key)

Trigger Control System

Multifunction Knob

Vertical Control System

Common Operation Keys

Analog Channel Input

Terminals

Touch Lock Key

Probe Compensation Signal

Output Terminal/Ground

Terminal

Horizontal Control System

Digital Channel Input

Interface

[1]

CLEAR Key

Dual-channel

Function/Arbitrary

Waveform Generator Output

Terminals

[2]

Auto Waveform Display Key

USB HOST Interface

Waveform Control System

Power Key

1 2 3 4 5 6 7 8 9 10 11 12 13

20 19 18 17 16 15 14

Front Panel Overview

Figure 1-13 Front Panel

Table 1-1 Front Panel Description

[1]

Note: Note:

This function is only available for the MSO7000 model.

[2]

This function is only available for the MSO7000 model installed with the

Function/Arbitrary Waveform Generator option.

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1 2 3 4 5

10 9 8 7 6

Rear Panel Overview

Figure 1-14 Rear Panel

1. Handle

Rotate the handle upright to carry the instrument easily. Rotate it downward if you do not need to carry it.

2. LAN Interface

Connect the instrument to network via this interface. The instrument is in compliance with the standards specified in LXI Device Specification 2011. It can be used to set up a test system. When you access to the Internet, you can use the Web Control or PC software Ultra Scope to send the SCPI commands or use the user-defined programming to control the instrument. When update is available, you can perform online upgrading for the system software of the instrument via the LAN interface. After it is connected to the network, you can print the waveform displayed on the screen when you use the network printer.

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Tip

After the oscilloscope is connected to network (if you do not have the access to the Internet, please ask the administrator to open the specified network authority), you can perform online upgrading for the system software:

1) Enable the touch screen function. Tap the function navigation icon

at the lower-left corner of the touch screen to enable the function navigation.

2) Tap the "Help" icon, and then the "Help" menu is displayed on the

screen.

3) Press Online upgrade or enable the touch screen to tap "Online

upgrade", then a "System Update Information" window is displayed, requesting you whether to accept or cancel "RIGOL TERMS OF ONLINE UPGRADE SERVICE". Tap "Accept" to start online upgrade. Tap "Cancel" to cancel the online upgrade.

Tip

Perform local upgrading for the system software:

1) Insert the USB storage device (stored with upgrading files under its root

directory) into the USB HOST interface, and then the "Help" menu is automatically displayed.

2) Press Local upgrade or enable the touch screen to tap "Local

upgrade", then a dialog box "Upgrade system firmware?" is displayed.

3) Press OK or enable the touch screen to tap "OK" to start local upgrade

for the oscilloscope. If you tap "Cancel", the local upgrade will be cancelled.

3. USB DEVICE Interface

You can connect the instrument to the PC via this interface. Then you can

use the PC software Ultra Scope to send the SCPI commands or use the

user-defined programming to control the instrument.

4. USB HOST Interface

You can connect the storage device that is compatible with the USB to the

instrument via the USB HOST interface.

Connecting the storage device can save or recall the waveform files and

setup files; as well as save the data and screen image. When update is

available, you can perform local upgrading for the system software of the

instrument via the USB HOST interface.

MSO7000/DS7000 User Guide 1-13

5. HDMI Video Output

You can connect the instrument to an external display equipped with the

HDMI interface (e.g. monitor or projector) via the Video Output interface

to better observe the waveform display clearly. At this time, you can also

view the waveforms on the LCD of the instrument.

RIGOL Chapter 1 Quick Start

6. EXT TRIG

Inputs the external signal via the external input terminal.

7. Trigger Out and Pass/Fail

 TRIG OUT:

The oscilloscope can output a signal that can reflect the current capture rate of the oscilloscope at each trigger via this interface. Connect the signal to a waveform display device and measure the frequency of the signal. The measurement result is the same as the current capture rate.

 Pass/Fail

The instrument can output a pulse from the [TRIG OUT] connector when a pass/failed event is detected during the pass/fail test.

8. Lock Hole

You can lock the instrument to a fixed location by using the security lock (please purchase it by yourself) via the lock hole.

9. Fuse

If you need to replace the fuse, use only the specified fuse. For details, refer to descriptions in "To Replace the Fuse".

10. AC Power Cord Connector

Indicates the input terminal where AC power source is connected. The power supply requirements of the instrument are: 100 V~240 V; 45 Hz~440 Hz. Please use the power cord provided in the accessories to connect the oscilloscope to the AC power source.

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 1, 2, 3, 4: indicates the analog channel switch key. The four channels are

marked by different colors which are also used to mark both the corresponding waveforms of the specified channel on the screen and the channel input connectors.

 GI, GII: indicates the Function/Arbitrary Waveform Generator setting key.

Press GI to enable or disable the output of the [GI] connector on the front panel; press GII to enable or disable the output of the [GII] connector on the front panel; and then enter the corresponding Function/Arbitrary Waveform Generator setting interface. Enable or disable the status display of the current

signal.

Note: This function is only available for the MSO7000 model installed with the

Function/Arbitrary Waveform Generator option.

 Default: indicates the default setting key. Press this key to restore the

instrument to its factory default settings.

 Vertical OFFSET: indicates the channel vertical offset knob. You can

rotate the knob to modify the vertical offset of the current channel waveform. Each analog channel is configured with an independent vertical offset adjustment knob. Turn it clockwise to increase the offset, and turn it counterclockwise to decrease the offset. During the modification, the waveform would move up and down. Meanwhile, the offset information in the corresponding status label would change accordingly. Press down this knob to quickly reset the vertical offset to zero.

 Vertical SCALE: indicates the channel vertical scale knob. Modify the

vertical scale of the current channel. Each analog channel is configured with an independent vertical scale adjustment knob. Turn it clockwise to decrease the

Front Panel Function Overview

Vertical

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scale, and turn it counterclockwise to increase the scale. During the modification, the display amplitude of the waveform will enlarge or reduce. The scale information in the corresponding status label will change accordingly. Press down this knob to quickly switch the vertical scale adjustment mode between "Coarse" and "Fine".

Horizontal

 Zoom: indicates the delayed sweep key. Press this key to enable or disable the

delayed sweep function.

 Search: indicates the Search key. Press this key to enter the search setting

menu. The search function allows you to search for relevant events from the collected data based on the search condition that you set.

 : indicates the navigation combination key. With the

combination keys, you can perform recording & playing navigation, time navigation, and event navigation.

 Horizontal POSITION: indicates the horizontal position knob. You can

rotate the knob to modify the horizontal position (i.g. trigger position). The trigger point would move left or right relative to the center of the screen when you rotate the knob. During the modification, waveforms of all the channels would move left or right, and the horizontal position message (e.g. ) at the upper-right corner of the screen would change accordingly. Press down this knob to quickly reset the horizontal position (or the delayed sweep position).

 Horizontal SCALE: indicates the horizontal time base knob. You can rotate

the knob to modify the horizontal time base. Turn it clockwise to decrease the time base, and turn it counterclockwise to increase the time base. During the modification, waveforms of all the channels will be displayed in expanded or

compressed form, and the time base message (e.g. ) at the upper section of the screen would change accordingly. Press down this knob to quickly switch the horizontal time base adjustment mode between "Coarse" and "Fine".

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Wave

 Math: indicates the math operation key. Press this key to enable the math

operation function. The math operations include A+B, A-B, A× B, A/B, and FFT. Besides, you can also set the math operation label.

 LA: indicates the logic analyzer key. Press this key to open the logic analyzer

control menu. You can enable or disable any channel or channel group, modify the waveform sizes of the digital channel, modify the threshold of the digital channel, and group the 16 digital channels. Besides, you can also set a label for each digital channel.

Note: This function is only available for the MSO7000 model.

 Ref: indicates the reference waveform key. Press this key to open the reference

waveform setting menu. You can compare the actually measured waveform with the reference waveform to locate the circuit failure.

 Decode: indicates the decode key. Press this key to open the decode setting

menu, and then you can set the decode options. MSO7000/DS7000 series supports the parallel decoding and many protocol decodings. (For details, refer to the descriptions in "Protocol Decoding").

 Wave Vertical POSITION: indicates the waveform vertical position knob.

Rotate the knob to adjust the vertical position of the current digital channel waveform, the vertical position of the math operation waveform, the vertical position of the reference waveform, or the vertical display position of the bus decoding.

 Wave Vertical SCALE: indicates the waveform vertical scale knob. Rotate

the knob to adjust the vertical scale of math operation waveform or the vertical scale of the reference waveform, and also can adjust the size of the displayed digital channel waveforms.

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 Menu: Press this key to open the trigger operation menu.

This oscilloscope provides various trigger types.

 Mode: Press this key to switch the trigger mode to Auto

Normal, or Single.

 Force: Press this key to generate a trigger signal

forcefully.

 Trigger LEVEL: modifies the trigger level/threshold

level. Turn it clockwise to increase the level, and turn it counterclockwise to decrease the level. During the modification, the trigger level line would move up and down and the trigger level/threshold level value at the upper-right corner of the screen would change accordingly. Press down the knob to quickly set the trigger level to 50% of the waveform peak-peak value.

Press this key to clear all the waveforms on the screen. If the oscilloscope is in the "RUN" state, new waveforms will continue being displayed.

Press this key to enable the waveform auto setting function. The oscilloscope will automatically adjust the vertical scale, horizontal time base, and trigger mode according to the input signal to realize optimal waveform display.

Press this key to set the operating state of the oscilloscope to "RUN" or "STOP". In the "RUN" state, the key is illuminated in yellow. In the "STOP" state, the key is illuminated in red.

Trigger

Clear

Auto

RUN/STOP

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Press this key to set the trigger mode to "Single".

Single

Multifunction knob

 Non-menu Operation:

In non-menu-operation mode, rotate this knob to adjust the brightness of waveform display. The settable screen brightness ranges from 1% to 100%. Turn it clockwise to increase the brightness, and turn it counterclockwise to decrease the brightness. Press Display  Intensity to adjust the waveform brightness. You can also use the knob to adjust it.

 Menu Operation:

When you operate on the menu, the backlight of the knob is illuminated. For the menu item that has multiple parameters under it, when you press the menu softkey, rotate the knob to select the parameter item, then press down the knob to select it (sometimes, the specified parameter item can be selected by rotating the knob). The knob can also be used to modify parameters, input the filename, etc.

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Press this key to disable the touch screen function.

Function Menu

Measure: Press this key to enter the measurement setting menu. You can set the

measurement source, enable or disable the all measurement function, the statistical analysis function, and etc. You can make a quick measurement for 41 waveform parameters.

Acquire: Press this key to enter the acquisition setting menu. You can set the time base mode, the acquisition mode, memory depth, and etc.

Storage: Press this key to enter the file or waveform storage and load interface. The file types for storage include image, waveform, and setups. Besides, waveform load and setup load are supported. The disk management and file auto naming function are also supported in this menu.

Cursor: Press this key to enter the cursor measurement menu. The oscilloscope provides four cursor modes: Manual, Track, XY, and Measure. Note that XY cursor mode is only available when the horizontal time base is set to "XY".

Display: Press this key to enter the display setting menu. You can set the display type, persistence time, wave intensity, and etc.

Utility: Press this key to enter the system function setting menu. You can set system-related functions or parameters, such as I/O, sound, language, and etc. Besides, some advanced functions (such as the pass/fail test, waveform recording, and self-calibration) are also supported.

Touch Lock Key

Note: By default, the touch screen function of the oscilloscope is always enabled. If

you disable the function, press the key again to enable it.

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Press this key to perform the quick operation, including screenshot, waveform saving, setup saving, all measurement, and statistics reset. Press Utility  More  Quick settings to set the quick shortcut keys.

Quick Key (Shortcut Key)

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1 2 3 4 5 6 7 8 9 10 11 12

24 23 22 21 20 19 18 17 16 15 14 13

User Interface

MSO7000/DS7000 series has a 10.1-inch WSVGA (1024× 600) LCD, with 256 level gray-scale display. The user interface displays the acquired waveforms, the setting information, and the measurement results.

Figure 1-15 User Interface

1. Digital Channel Label/Waveform

The logic high and low level of the digital waveform are displayed in green. Its edge is displayed in white. The color of the currently selected waveform of the digital channel is consistent with that of the channel label, being displayed in red. The grouping setting function under the logic analyzer function menu can divide the digital channels into 4 channel groups. The channel label of the same channel group is displayed in the same color; different channel groups are marked with different colors.

Note: This function is only available for the MSO7000 model.

2. Operating Status

Available states include RUN, STOP, T’D (triggered), WAIT, and AUTO.

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screen waveform

waveform in the memory

3. Horizontal Time Base

 Represents the time length per grid in the horizontal axis of the screen.  Use Horizontal SCALE to modify this parameter. The adjustable range

of the horizontal time base is different for different models.

4. Sample Rate/Memory Depth

 Displays the current sample rate and memory depth of the analog channel.  The sample rate and the memory depth will change along with the

horizontal time base.

5. Auto Measurement Label

Enable the touch screen, and then tap the label. Up to 41 waveform parameters are available for auto measurement. It also offers full-memory hardware measurement function.

6. Waveform Memory

Provides a diagram of the position of the screen waveform in the memory.

7. Trigger Position

Displays the trigger position of the screen waveform and that of the waveform in the memory.

8. Run/Stop Label

In the run state, the label is displayed in green; while in the stop state, it is displayed in red. You can enable the touch screen to tap the icon "STOP/RUN" to control its operating status.

9. Horizontal Position

Use Horizontal POSITION to modify this parameter. Press down this knob to quickly reset the horizontal position.

10. Trigger Type

Displays the currently selected trigger type and trigger condition setting. When you select different trigger types, different labels are displayed. For example, represents triggering on the rising edge in "Edge" trigger.

11. Trigger Source

Displays the currently selected trigger source (CH1-CH4, AC Line, EXT, or D0-D15). When you select different trigger sources, different labels are

displayed. For example, denotes that CH1 is selected as the trigger source.

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12. Trigger LEVEL/Threshold Level

 When CH1-CH4 or EXT is selected as the trigger source, you need to set a

proper trigger level.

 When D0-D15 is selected as the trigger source, you need to set a proper

threshold level.

 The trigger level label is displayed at the left section of the screen, and

the trigger level/threshold level value is displayed at the upper-right corner of the screen.

 When you use Trigger LEVEL to modify the trigger level/threshold

level, the trigger level/threshold level value will change with the up and down of .

Note: In Slope Trigger, Runt Trigger, and Window trigger, you need to set the

upper and lower limits of the trigger level, and two trigger level labels ( and

) are displayed.

13. Operation Menu

Press any softkey on the front panel to activate the corresponding menu.

14. Notification Area

Displays the beeper icon, the USB storage device icon, time, and the LAN connection icon.

 Beeper icon: Press Utility  Beeper to turn on or off the beeper. When

the beeper is turned on, will be displayed; when off, will be displayed.

 USB storage device icon: When a USB storage device is detected, will be

displayed.

 Time: displays the system time. For the system time setting, refer to

descriptions in "System Time".

 LAN connection icon: When the LAN interface is successfully connected,

will be displayed.

15. AWG 2

 Displays the on/off status of AWG 2.  Displays the waveform type set for the current AWG2.  It is only available for the MSO7000 model installed with the

Function/Arbitrary Waveform Generator option.

16. AWG 1

 Displays the on/off status of AWG 1.  Displays the waveform type set for the current AWG1.  It is only available for the MSO7000 model installed with the

Function/Arbitrary Waveform Generator option.

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17. Digital Channel Status Area

Displays the current status of the 16 digital channels. The digital channels currently turned on are displayed in green, and the currently selected digital channel is highlighted in red. The digital channels turned off are displayed in gray.

Note: This function is only available for the MSO7000 model.

18. CH4 Status Label

 Displays the status of CH4.  Displays the vertical scale of CH4. That is, the voltage value per grid of CH4

in the vertical axis.

 Displays the offset of CH4, i.g. the vertical offset of CH4 waveform.  Different labels will be displayed according to the current channel setting.

For example, if you select "DC" for channel coupling, is displayed; if you

enable the bandwidth limit, is displayed; if you select "50 Ω" for

impedance, is displayed.

19. Message Box

Displays the prompt messages.

20. CH3 Status Label

 Displays the status of CH3.  Displays the vertical scale of CH3. That is, the voltage value per grid of CH3

in the vertical axis.

 Displays the offset of CH3, i.g. the vertical offset of CH3 waveform.  Different labels will be displayed according to the current channel setting.

For example, if you select "DC" for channel coupling, is displayed; if you

enable the bandwidth limit, is displayed; if you select "50 Ω" for

impedance, is displayed.

21. CH2 Status Label

 Displays the status of CH2.  Displays the vertical scale of CH2. That is, the voltage value per grid of CH2

in the vertical axis.

 Displays the offset of CH2, i.g. the vertical offset of CH2 waveform.  Different labels will be displayed according to the current channel setting.

For example, if you select "DC" for channel coupling, is displayed; if you

enable the bandwidth limit, is displayed; if you select "50 Ω" for

impedance, is displayed.

22. CH1 Status Label

 Displays the status of CH1.  Displays the vertical scale of CH1. That is, the voltage value per grid of CH1

in the vertical axis.

 Displays the offset of CH1, i.g. the vertical offset of CH1 waveform.  Different labels will be displayed according to the current channel setting.

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RIGOL Chapter 1 Quick Start

Tip

The touch screen function is available for all the menus displayed on the screen and the buttons enabled. In this manual, key operation descriptions are illustrated in details, and as for the touch screen function about some operations, refer to descriptions in relevant chapters.

For example, if you select "DC" for channel coupling, is displayed; if you enable the bandwidth limit, is displayed; if you select "50 Ω" for impedance, is displayed.

23. Analog Channel Label/Waveform

Different channels are marked with different colors. The color of the channel label is the same as that of the waveform.

24. Function Navigation

Enable the touch screen and then tap this icon to enable the function navigation.

Touch Screen Controls

MSO7000/DS7000 series provides a 10.1-inch super large capacitive touch screen, which supports multi-touch and gesture operation. It has strong waveform display capability and excellent user experience. It features great convenience, high flexibility, and great sensitivity. The actions supported by the touch screen controls include tapping, pinching & stretching, dragging, and rectangle drawing.

Tap

Use one finger to touch the symbol or characters on the screen slightly, as shown in Figure 1-16. The functions of the tap action include:

 Tap the menu displayed on the screen to operate on the menu.  Tap the function navigation icon at the lower-left corner of the touch screen

to enable the function navigation.

 Tap the displayed numeric keypad to set the parameters.  Tap the virtual keypad to set the label name and the filename.  Tap the close button at the upper-right corner of the message box to close the

prompt window.

 Tap other windows on the touch screen and operate on the windows.

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Figure 1-16 Tap Gesture

Pinch & Stretch

Pinch or stretch two points on the screen with two fingers to zoom in or out the waveform. To zoom in the waveform, first pinch the two fingers and then stretch the fingers; to zoom out the waveform, first stretch the two fingers, and then pinch the fingers together, as shown in Figure 1-17. The functions of the pinch & stretch action include:

 Pinching & stretching in the horizontal direction can adjust the horizontal time

base of the waveform.

 Pinching & stretching in the vertical direction can adjust the vertical scale of the

waveform.

Figure 1-17 Pinch & Stretch Gesture

Drag

Use one finger to select the object, and then drag the object to a destination place, as shown in Figure 1-18. The functions of the drag action include:

 Drag the waveform to change its position or offset.  Drag the window controls to change the positions of the window (e.g. numeric

keypad).

 Drag the marker to change the position of the marker.

Figure 1-18 Drag Gesture

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RIGOL Chapter 1 Quick Start

Rectangle Drawing

Enable the function navigation, and then tap the "Draw rect" icon to switch to the rectangle drawing mode. Drag a finger from upper left to lower right across the screen to draw a rectangle on the screen, as shown in Figure 1-19 (a). Move your finger away from the screen, and then a menu is displayed on the screen. At this time, you can tap to select "Trigger zone A", "Trigger zone B", "Histogram", "Horizontal zoom in", "Vertical zoom in", or "Waveform zoom in". Drag a finger from lower right to upper left across the screen to draw a rectangle on the screen, as shown in Figure 1-19 (b). Move your finger away from the screen, and then a menu is displayed on the screen. At this time, you can tap to select "Trigger zone A", "Trigger zone B", "Histogram", "Horizontal zoom out", "Vertical zoom out", or

"Waveform zoom out".

(a) (b)

Figure 1-19 Rectangle Drawing Gesture

 Select "Trigger zone A":

 Draw the region for Trigger zone A;  Open Trigger zone A;  Open the "Zone Trigger" menu.

 Select "Trigger zone B":

 Draw the region for Trigger zone B;  Open Trigger zone B;  Open the "Zone Trigger" menu.

 Select "Histogram":

 Draw the region for the histogram;  Open the "Histogram" menu.

 Select "Horizontal zoom in": expands the waveforms in the horizontal direction.

Select "Horizontal zoom out": compresses the waveforms in the horizontal direction.

 Select "Vertical zoom in": expands the waveforms in the vertical direction. Select

"Vertical zoom out": compresses the waveforms in the vertical direction.

 Select "Waveform zoom in": expands the waveforms both in the horizontal and

vertical direction. Select "Waveform zoom out": compresses the waveforms both in the horizontal and vertical direction.

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Tip

Tap the "Draw rect" icon to switch between the rectangle drawing and waveform operation modes.

Tap the "Draw rect" icon, if is displayed, it indicates that the rectangle

drawing mode is enabled. Tap the "Draw rect" icon, if is displayed, it indicates that the waveform operation mode is enabled. By default, the waveform operation mode is enabled.

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RIGOL Chapter 1 Quick Start

Parameter Input Field Delete key

Max. value

Min. value

Default

Clear key

Parameter Setting Method

You can use the knob or enable the touch screen to set the parameters of MSO7000/DS7000 series. The common parameter setting methods are as follows:

Method 1:

For the parameters with the sign , rotate the multifunction knob on the front panel directly to select the parameter item or modify the parameter value.

Method 2:

For the parameters with the sign , rotate the multifunction knob on the front panel and press it down to select the parameter item or modify the parameter value.

Method 3:

For the parameters with displayed on the menu, rotate the multifunction knob

on the front panel directly to set the parameter, or press down the multifunction knob or the specified menu softkey, and then the numeric keypad is shown in Figure 1-20 below.

Figure 1-20 Numeric Keypad

In the numeric keypad, rotate the multifunction knob to select the parameter, then press down the knob to select it. Then input the value or the unit. You can also enable the touch screen and tap the value or unit in the numeric keypad to input them. After you input all the values and select the desired units, the numeric keypad is turned off automatically. This indicates that you have completed parameter setting. Besides, after you have input the values, you can also press OK directly to close the numeric keypad. At this time, the unit of the parameter is the default unit. In the numeric keypad, you can also perform the following operations:

 Delete the parameter value that has been input.  Set the parameter to a maximum or minimum value (sometimes, the maximum

or minimum value are the specified one for the current state).

 Set the parameter to a default value.  Clear the parameter input field.

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Tip

The above method is commonly used for the parameter settings of the oscilloscope. For other methods of parameter settings, refer to details in relevant chapters.

Security Lock Hole

Method 4:

For the parameters without the above signs, press the desired menu softkey to switch between the parameter items. This method is applicable to the parameters with only two available options.

To Use the Security Lock

If necessary, you can lock the instrument to a fixed location by using the security lock (please purchase it by yourself), as shown in Figure 1-21. The method is as follows: align the lock with the lock hole and plug it into the lock hole vertically, turn the key clockwise to lock the oscilloscope and then pull the key out.

Figure 1-21 To Use the Security Lock

Note: Please do not insert other objects into the security lock hole to avoid

damaging the instrument.

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RIGOL Chapter 1 Quick Start

Help Options Help Display Area

To Use the Built-in Help System

The help system of this oscilloscope provides instructions for all the function keys on the front panel and their corresponding menu keys. The steps for opening the built-in help system are as follows:

1. Press Utility  System  Help, and then the "Help" menu is displayed

on the screen. You can also use the touch screen function, tap the function

navigation icon at the lower-left corner of the touch screen to enable the function navigation. Tap the "Help" icon, and then the "Help" menu is displayed on the screen.

2. Press Content or tap the "Content" menu item, and then the help information is

displayed on the screen, as shown in Figure 1-22. The help interface mainly consists of two sections. The left section lists "Help Options", and the right section is the "Help Display Area".

Figure 1-22 Help Information

After opening the help interface, you can get its help information in the "Help Display Area" through the following three methods:

Method 1: For the keys, you can directly press the front-panel keys (except the Power key, the Menu Off key, and the Back key) to obtain the help information. For the buttons, you can rotate the knob or press down the knob to get the help information (except the multifunction knob , Wave Vertical POSITION knob, and Wave Vertical SCALE knob). As the function of rotating the knob is different from that of pressing down the knob, these two operations will give you different help information.

Method 2: In the "Help Options", rotate the multifunction knob to switch among the help options to get the corresponding help information.

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Tip

 Help information for other keys and buttons:

 Power key: powers on/off the instrument.  Menu Off key: displays or hides menus. Pressing this key can hide the

menus.

 Back key: returns to the previous menu or last set function menu.  Multifunction knob : In non-menu-operation mode, rotate this knob to

adjust the brightness of waveform display. When you operate on the menu, this knob is illuminated. For the menu that has multiple sub-menus, press the corresponding softkey of the sub-menu, and then rotate this knob to select the specified parameter item and press down the knob to select it (sometimes you need to rotate the knob to select the parameter item). It can also be used to modify parameters, input a filename, etc.

 Wave Vertical POSITION: rotating the knob can adjust the

vertical position of the waveform of the current digital channel, the vertical position of the math operation waveform, the vertical position of the reference waveform, or the vertical display position of the decoding bus.

 Wave Vertical SCALE: rotating the knob can adjust the vertical

scale of the math operation waveform or the vertical scale of the reference waveform; adjust the display size of the waveform of the digital channel.

 If the menu item is grayed out, you cannot press the corresponding

front-panel menu key to obtain the help information. What you can do is only to follow the above Method 2 or 3 to get the help information.

Method 3: Enable the touch screen and tap the desired help option to get the corresponding help information.

To View the Option Information and the Option Installation

MSO7000/DS7000 series oscilloscope provides multiple options to fulfill your measurement requirements. If you need any of these options, order them according to the Order No. available in "Appendix A: Accessories and Options", and then install the options according to this section. Besides, you can also view the options currently installed on the oscilloscope or activate the newly purchased option.

1. View the installed option

The instrument is installed with the trial versions of the options before leaving factory. When you power on the instrument for the first time, the trial time is about 2,160 minutes. If your instrument has currently installed the option, perform the following operations to view the name of the installed option and other detailed information about the option from the option list.

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RIGOL Chapter 1 Quick Start

(1) Press Utility  System  Help, and then the "Help" menu is displayed

on the screen. You can also use the touch screen function, tap the function navigation icon at the lower-left corner of the touch screen to enable the function navigation. Tap the "Help" icon, and then the "Help" menu is displayed on the screen.

(2) Press the Option list key or tap the Option list menu item, and then a list

of the options installed is displayed on the screen for users to view.

2. Install the option

The option license is a string of fixed characters. Each instrument has one unique license. The license file should be in specific format, with the filename extension ".lic". After you purchase an option, you will obtain a key (used for obtaining the license). Then, you can install the option according to the following steps.

1) Obtain an option license

(1) Log in to the RIGOL official website (www.rigol.com), click License

Activation to enter the "Registered product license code" interface.

(2) In the software license registration interface, input the correct key,

serial number (press Utility  System  About to obtain the serial number of the instrument. You can also open the "Help" function menu, and then press About to obtain the serial number), and the verification code. Click Generate to obtain the download link of the option license file. If you need to use the option license file, please click the link to download the file to the root directory of the USB storage device.

2) Install the option

(1) Confirm that the option license file is located in the root directory of

the USB storage device, and connect the USB storage device to the oscilloscope properly.

(2) The Option install key is activated, and press this menu key to start

installing the option.

(3) After installation, a prompt message "Option activated successfully" is

displayed. Note: After the option has been installed, you are recommended to restart the instrument.

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Chapter 1 Quick Start RIGOL

Tip

 Only 1 option license file of one instrument is allowed to be stored in the

same USB storage device, but the USB storage device can store the option license file of several different instruments. You are not allowed to modify the licensed filename.

 During the installation process, you are not allowed to power off the

instrument or pull out the USB storage device.

 Sending the SCPI commands to install options is supported. For details, refer

to the :SYSTem:OPTion:INSTall command. Installing options by inputting the license code manually is not supported.

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Chapter 2 To Set the Vertical System RIGOL

Chapter 2 To Set the Vertical System

MSO7000/DS7000 series provides four analog input channels (CH1-CH4), and each channel is equipped with an independent vertical control system. The setting methods for the vertical systems of the four channels are the same. This chapter takes CH1 as an example to introduce the setting method for the vertical system. For this oscilloscope, only CH1 is enabled by default.

Contents in this chapter:

 To Enable or Disable the Analog Channel  To Adjust the Vertical Scale  Vertical Expansion  To Adjust the Vertical Offset  Channel Coupling  Bandwidth Limit  Probe Ratio  Input Impedance  Waveform Invert  To Set the Probe  Amplitude Unit  Channel Delay  Offset Cal  Channel Label

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RIGOL Chapter 2 To Set the Vertical System

To Enable or Disable the Analog Channel

Enable the analog channel:

Connect a signal to the channel connector of CH1, and then press 1 in the vertical control area (Vertical) on the front panel to enable CH1. Then, the backlight of the channel is illuminated. At this point, the channel setting menu is displayed at the right section of the screen and the channel is activated. The channel status label at the bottom of the screen is shown in the figure below. You can also enable the touch screen to tap the channel status label to enable the channel.

The information displayed in the channel status label is related to the current channel setting but irrelevant with the on/off status of the channel. After the channel is turned on, modify the parameters such as the vertical scale, horizontal time base, trigger mode, and trigger level according to the input signal for easy observation and measurement of the waveform.

If CH1 is enabled but not activated, the channel status label is shown in the following figure. To activate the channel, press 1 on the front panel in the vertical control area (Vertical) or enable the touch screen to tap the waveform activation channel displayed on the screen.

Disable the analog channel:

If the setting menu of the channel that needs to be disabled (the current channel is activated) is displayed at the right section of the screen, press the channel key to disable the channel. If the setting menu of the channel that needs to be disabled is not displayed at the right section of the screen, first open the setting menu of the channel to be disabled (activate the channel), then press the channel key to disable the channel. You can also enable the touch screen to tap the channel status label to disable the channel. For example, if CH1 and CH2 are enabled, and CH2 channel setting menu is displayed on the screen, then if you need to disable CH1, first activate CH1, and then press 1 or enable the touch screen to tap the CH1 channel status label to disable CH1. If CH1 is disabled, the channel status label is shown in the following figure.

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Chapter 2 To Set the Vertical System RIGOL

Vertical Scale

Value Input Field Decrease Increase

To Adjust the Vertical Scale

Vertical scale indicates the voltage value per grid in the vertical axis of the screen. It is often expressed in V/div. While you adjust the vertical scale, the display amplitude of the waveform would enlarge or reduce. The scale information of the channel status label (e.g. as shown in the following figure) at the lower section of the screen would change accordingly.

The adjustable range of the vertical scale is related to the currently set probe ratio and input impedance. By default, the probe ratio is 1X and the input impedance is 1 MΩ. In this case, the adjustable range of the vertical scale is from 500 μV/div to 10 V/div.

When CH1 is turned on, you can adjust the vertical scale with the following three methods:

 Rotate Vertical SCALE that corresponds to CH1 to adjust the vertical scale

(clockwise to reduce the scale and counterclockwise to increase).

 Enable the touch screen function and adjust the vertical scale with the pinch &

stretch gesture on the touch screen. For details, refer to the "Pinch & Stretch" section.

 Enable the touch screen function, and tap the channel status label at the bottom

of the screen. The following window is displayed. Tap the icon at the right side of the Scale input field to decrease or increase the scale. You can also tap the Scale input field to input a specific value with the displayed numeric keypad.

In the vertical control area (Vertical) on the front panel, press Vertical SCALE to adjust the vertical scale in "Coarse" (by default) or "Fine" mode. You can also press 1  More  Fine to enable or disable fine adjustment.

 Fine adjustment: Rotate Vertical SCALE to further adjust the vertical scale

within a relatively smaller range to improve vertical resolution. If the amplitude of the input waveform is a little bit greater than the full scale under the current scale and the amplitude would be a little bit lower if the next scale is used, fine adjustment can be used to improve the amplitude of waveform display to view signal details.

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RIGOL Chapter 2 To Set the Vertical System

Vertical Offset

 Coarse adjustment (take counterclockwise as an example): Rotate Vertical

SCALE to set the vertical scale at 1-2-5 step, i.e. 500 μV/div, 1 mV/div, 2 mV/div,

5 mV/div, 10 mV/div…10 V/div.

Vertical Expansion

When changing the vertical scale of the analog channel by rotating the Vertical SCALE knob, you can select to expand or compress the waveform around the

"Center" or "GND" (Ground). By default, "GND" is selected under Expand.

Press 1  More, then press Expand continuously to select "Center" or "GND".

 Center: when the vertical scale is changed, the waveform will be expanded or

compressed around the screen center.

 GND: when the vertical scale is changed, the waveform will be expanded or

compressed around the signal ground level position.

To Adjust the Vertical Offset

Vertical offset indicates the offset of the signal ground level position of the waveform from the screen center in the vertical direction. Its unit is consistent with the currently selected amplitude unit (refer to "Amplitude Unit"). When adjusting the vertical offset, the waveforms of the corresponding channel moves up and down. The vertical offset information (as shown in the following figure) in the channel status label at the bottom of the screen will change accordingly.

The adjustable range of the vertical offset is related to the current input impedance, probe ratio, and vertical scale.

When CH1 is turned on, you can adjust the vertical offset with the following four methods:

 Rotate Vertical OFFSET that corresponds to CH1 to adjust the vertical

 Menu setting: Press 1  More  Offset, and then the numeric keypad is  Enable the touch screen, and then adjust the vertical offset with the drag  Enable the touch screen function, and tap the channel status label at the bottom

2-4 MSO7000/DS7000 User Guide

offset within the adjustable range. Rotate this knob clockwise to increase the vertical offset, and rotate it counterclockwise to reduce the vertical offset. Pressing down the knob can quickly reset the vertical offset (set the vertical offset to 0).

displayed. Input the offset value with the numeric keypad.

gesture. For details, refer to the "Drag" section.

Chapter 2 To Set the Vertical System RIGOL

Value Input Field Decrease Increase

of the screen. The following window is displayed. Tap the icon at the right side of the Offset input field to decrease or increase the offset. You can also tap the Offset input field to input a specific value with the displayed numeric keypad.

Channel Coupling

The undesired signals can be filtered out by setting the coupling mode. For example, the signal under test is a square waveform with DC offset.

 When the coupling mode is "DC": the DC and AC components of the signal under

test can both pass the channel.

 When the coupling mode is "AC": the DC components of the signal under test

are blocked.

 When the coupling mode is "GND", the DC and AC components of the signal

under test are both blocked.

Press 1 to open the setting menu of CH1. Then, press Coupling continuously or rotate the multifunction knob to select the desired coupling mode (by default, it

is DC). The current coupling mode is displayed in the channel status label at the bottom of the screen, as shown in the figure below. You can also enable the touch screen, and then touch the CH1 setting menu to select the desired coupling mode.

DC AC GND

Note:

 When the input impedance is set to "50 Ω", the channel coupling is set to DC

coupling by force, and the Coupling menu is grayed out and cannot be modified.

 When the coupling mode is "AC", the input impedance is set to 1 MΩ by force,

and the Impedance menu is grayed out and cannot be modified.

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Bandwidth of the Oscilloscope Model

Available Bandwidth Limit

100 M (MSO7014/DS7014)

20 M

200 M (MSO7024/DS7024)

20 M

350 M and 500 M (MSO7034/MSO7054/DS7034/DS7054)

20 M, 250 M

Bandwidth Limit

MSO/DS7000 series supports the bandwidth limit function. Setting the bandwidth limit can reduce the noises in the displayed waveforms. For example, the signal under test is a pulse with high frequency oscillation.

 When the bandwidth limit is disabled, the high frequency components of the

signal under test can pass the channel.

 When you enable the bandwidth limit and limit it to 20 MHz or 250 MHz, the high

frequency components found in the signal under test that are greater than 20 MHz or 250 MHz are attenuated.

Press 1 to open the setting menu of CH1.Then, press BW Limit continuously or rotate the multifunction knob to select the desired bandwidth limit. Press down

the knob to select it. By default, it is OFF. When the bandwidth limit is enabled, the character "B" will be displayed in the channel status label at the bottom of the screen, as shown in the figure below. You can also enable the touch screen, and then tap the CH1 setting menu to select the desired bandwidth limit.

The bandwidth limit that you select is based on the bandwidth of your oscilloscope model, as shown in Table 2-1.

Table 2-1 Bandwidth Limit

Note: Bandwidth limit can not only reduce the noise, but also can attenuate or

eliminate the high frequency components of the signal.

Probe Ratio

MSO/DS7000 series allows you to set the probe attenuation manually. To obtain the correct measurement results, you must set the probe ratio properly. By default, the probe ratio is 1X.

Press 1 to open the setting menu of CH1.Then, press Attenuation continuously or rotate the multifunction knob to select the desired probe ratio. You can also

enable the touch screen, and then touch the CH1 setting menu to select the desired

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Chapter 2 To Set the Vertical System RIGOL

Attenuation Ratio

(display amplitude of the signal: actual amplitude of the signal)

0.01X

0.02X

0.05X

0.1X

0.2X

0.5X 1X (default) 2X 5X 10X 20X 50X 100X 200X 500X 1000X 2000X 5000X 10000X 20000X 50000X

0.01:1

0.02:1

0.05:1

0.1:1

0.2:1

0.5:1 1:1 2:1 5:1 10:1 20:1 50:1 100:1 200:1 500:1 1000:1 2000:1 5000:1 10000:1 20000:1 50000:1

probe ratio. The probe ratio values available are as shown in Table 2-2.

Table 2-2 Probe Ratio

Note: After the oscilloscope auto-recognized certain probes with a fixed attenuation

ratio, the probe ratio will also be auto recognized. You do not have to set it manually.

Input Impedance

To reduce the circuit load between the oscilloscope and the circuit under test, this oscilloscope provides two input impedance modes: 1 MΩ (default) and 50 Ω.

 1 MΩ: The input impedance of the oscilloscope is very high, and the current

flowed from the circuit under test can be ignored.

 50 Ω: makes the oscilloscope match with the device whose input impedance is

50 Ω.

Press 1 to open the setting menu of CH1. Then, press Impedance continuously to select the input impedance of the oscilloscope. If you select "50 Ω", the channel status label at the bottom of the screen will display the icon .

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RIGOL Chapter 2 To Set the Vertical System

(a) "Invert" Off

(b) "Invert" On

Note:

 After the oscilloscope recognizes the probe automatically, the input impedance

will also be auto recognized. You do not have to set it manually.

 The setting of the input impedance will affect the ranges of channel vertical

scale and offset.

Waveform Invert

Press 1 to open the setting menu of CH1. Then, press Invert continuously to enable or disable the waveform invert. When enabled, the channel label is displayed, as shown in the following figure.

When disabled, the waveform is displayed normally; when enabled, the voltage values of the displayed waveform are inverted (as shown in Figure 2-1). Enabling the waveform invert will also change the result of math function and waveform measurement.

Figure 2-1 Waveform Invert

Note: When the waveform invert is enabled, the trigger edge or the trigger polarity

will change (e.g. Edge trigger, Pulse trigger, or Slope trigger).

To Set the Probe

The analog channel of this oscilloscope not only supports the common passive probe, but also the active probe. It can automatically recognize the currently connected probe type and its probe ratio. For detailed technical information of the probes, please refer to the corresponding Probe User’s Guide.

Press 1 to open the setting menu of CH1. Then, press Probe to open the probe menu. If different probes are connected to the oscilloscope, different information

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Chapter 2 To Set the Vertical System RIGOL

Tip

For some of the ordinary passive probes, the oscilloscope can recognize their probe ratio automatically. If not recognized, please refer to "Probe Ratio" to set the probe ratio.

Tip

 When a 50 Ω active probe is connected, the input impedance (refer to "Input

Impedance") of the channel will be automatically set to "50 Ω".

 For the active probe, the oscilloscope can recognize the probe ratio

automatically. If the currently connected probe supports a variety of probe ratios, please refer to "Probe Ratio" to set the probe ratio.

about the probe will be displayed, and you can perform the different operations on the menu.

Passive Probe

If a passive probe is connected, for example, when RIGOL's RP3500A probe model is connected to the oscilloscope, press Probe to open the probe menu. Its sub-menus are grayed out and disabled.

Active Probe

If an active probe is connected, for example, when RIGOL's RP7150 probe model is connected to the oscilloscope, press Probe to open the probe menu, and you can operate on the menu item.

 Probe Delay

To avoid measurement result errors arising from the transmission delay of the probe cable, the oscilloscope provides the probe delay adjustment function for the active probe. Press Skew, and then rotate the multifunction knob or use the numeric keypad to set the probe delay time.

 Bias Voltage

The oscilloscope provides the bias voltage adjustment function for active probes. This function is used to adjust the signal under test that exceeds the input dynamic range of the probe amplifier to an appropriate range to ensure the integrity of the signal under test. Press Bias, rotate the multifunction knob or use the numeric keypad to set the DC bias voltage.

 Probe Information

Press About to view information about the probe currently connected, such as

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RIGOL Chapter 2 To Set the Vertical System

Actual Trigger Position

Trigger Level

the manufacturer, model, serial number, and the last calibration date.

 Probe Calibration

Press Calibration to start zero calibration automatically for the probe.

Amplitude Unit

Select the amplitude display unit for the current channel. The available units are W, A, V, and U. When the unit is changed, the unit related to the relevant functions of the channel will change accordingly.

Press 1  More  Unit, press Unit continuously or rotate the multifunction knob

to select a unit. You can also enable the touch screen to select the desired unit

with touch gestures. The default unit for the value is V.

Channel Delay

When using an oscilloscope for actual measurement, the transmission delay of the probe cable may bring relatively greater errors (zero offset). MSO7000/DS7000 allows you to set a delay time for calibrating the zero offset of the corresponding channel. Zero offset is defined as the offset of the crossing point of the waveform and trigger level line relative to the trigger position, as shown in Figure 2-2.

Press 1  More  Ch-Ch Skew, rotate the multifunction knob or use the numeric keypad to set the desired delay calibration time. The available range of the delay calibration time is from -100 ns to 100 ns.

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Figure 2-2 Zero Offset

Chapter 2 To Set the Vertical System RIGOL

Note: This parameter is related to the instrument model and the current horizontal

time base setting. The larger the horizontal time base is, the larger the setting step will be.

Offset Cal

When you use an oscilloscope to make actual measurements, a small offset that arises from the temperature drift of the component or external environment disturbance may occur on the zero-cross voltage of the channel, which will affect the measurement results of the vertical parameters. MSO7000/DS7000 allows you to set an offset calibration voltage for calibrating the zero point of the corresponding channel, so as to improve the accuracy of the measurement results.

Note: If the zero-cross voltage of the channel has a larger amplitude offset that

exceeds the adjustable null range, please perform self-calibration for the instrument to ensure the measurement accuracy. For details, refer to descriptions in "Self-calibration".

Press 1  More  Offset Cal, rotate the multifunction knob or use the numeric keypad to set the offset calibration value.

Channel Label

The instrument uses the channel number to mark the corresponding channel by default. For ease of use, you can also set a label for each channel. For example, " ".

Press 1  More  Label to enter the label setting menu. You can use the built-in label or manually input a label. Three input methods are available for you to input a label name, including Chinese, English, and Traditional Chinese.

The label setting menu includes the following menu items.

 Press Display to turn on or off the display of the channel label. If it is enabled,

the label will be displayed at the left side of the waveform. When on, CH1 is, by default, displayed to be the channel label.

 Press Library to select the preset labels such as CH1, ACK, ADDR, BIT, CLK, CS,

DATA, IN, MISO, MOSI, OUT, RX and TX.

 Press Label and the label editing interface is automatically displayed as shown in

Figure 2-3. You can input the label manually. For the label input method, refer to "To Create a Folder".

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RIGOL Chapter 2 To Set the Vertical System

Label Input Area Input Selection Area Virtual Keypad Delete Key

Upper-lower Case Switch

Figure 2-3 Label Editing Interface

For example, set the label to " ". In the virtual keypad, rotate the multifunction knob to select "Caps" and press down the knob to switch the uppercase or lowercase mode. Rotate the multifunction knob and select "C", press down the knob. Then, in the input selection area, rotate the multifunction knob and select "C". Press down the knob to input "C". Use the same method to input "hn1". After finishing the input, press OK to finish the editing. You can also enable the touch screen to operate by touch gestures. If Display is enabled, the label will be displayed at the left of CH1 waveform.

To delete or modify the input characters, rotate the multifunction knob or enable the touch screen to realize it.

 Rotate the multifunction knob : use the delete key to delete or modify the

characters. To modify the characters, input the desired characters again.

 Enable the touch screen: use the touch gestures to directly move the cursor to

the right side of the character required to be deleted or modified, and then tap the delete key to delete the character. To modify the characters, input the desired character again or delete the character.

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Chapter 3 To Set the Horizontal System RIGOL

Chapter 3 To Set the Horizontal System

Contents in this chapter:

 To Adjust the Horizontal Time Base  To Adjust the Horizontal Position  Delayed Sweep

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RIGOL Chapter 3 To Set the Horizontal System

Decrease the timebase Increase the timebase

To Adjust the Horizontal Time Base

Horizontal time base, also called the horizontal scale, refers to the time of each grid in the horizontal direction of the screen. It is usually expressed in s/div. The adjustable range of the horizontal time base is related to the model type.

While you change the horizontal time base, the displayed waveforms of all channels are expanded or compressed horizontally relative to the current selected horizontal reference baseline (refer to "Horizontal Expansion"). The horizontal time base at the upper-left corner of the screen will be changed accordingly, as shown in the figure below.

You can adjust the horizontal time base with the following three methods:

 Rotate Horizontal SCALE to adjust the horizontal time base within the

available range (clockwise to reduce the horizontal time base and counterclockwise to increase).

 Enable the touch screen function and adjust the horizontal time base with the

pinch & stretch gesture on the touch screen. For details, refer to the "Pinch & Stretch" section.

 Enable the touch screen function, and tap the horizontal time base label

at the top of the screen. The following window is displayed. Tap the icon at the right side of the Scale input field to decrease or increase the horizontal time base. You can also tap the Scale input field to input a specific value with the displayed numeric keypad.

In the Horizontal control area (Horizontal), rotate the Horizontal SCALE knob to switch the adjustment mode between "Coarse" and "Fine" (by default, it is Coarse). You can also press Acquire  Fine to enable or disable the fine adjustment of the horizontal time base.

 Coarse adjustment: Rotate the Horizontal SCALE knob will adjust the

horizontal time base of the waveforms of all channels at 1-2-5 step within the adjustable range. Rotate it clockwise to reduce the horizontal time base, and counterclockwise to increase the horizontal time base.

 Fine adjustment: Rotate the Horizontal SCALE knob will adjust the

horizontal time base of the waveforms of all channels with a minor step value

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Decrease the position Increase the position

within the adjustable range. Rotate it clockwise to reduce the horizontal time base, and counterclockwise to increase the horizontal time base.

Note: When the delayed sweep is enabled, rotate the Horizontal SCALE knob

to adjust the time base for the delayed sweep. The delayed sweep time base displayed in the center of the screen will be changed accordingly, as shown in the following figure.

To Adjust the Horizontal Position

Horizontal position, also called trigger position, refers to the trigger point position of the waveforms of all channels in the horizontal direction relative to the screen center. When the waveform trigger point is at the left (right) side of the screen center, the horizontal position is a positive (negative) value.

While you change the horizontal position, the waveform trigger points and the displayed waveforms of all channels are moved left and right. The horizontal position at the right-upper corner of the screen changes accordingly, as shown in the figure below.

You can adjust the horizontal position with the following three methods:

 Rotate Horizontal POSITION to adjust the horizontal position of the

waveforms of all channels. When you rotate it clockwise, the waveform trigger point moves right on the screen; when you rotate it counterclockwise, the waveform trigger point moves left on the screen. Pressing down the knob can quickly reset the horizontal position (reset to 0).

 Enable the touch screen function and adjust the horizontal position with the

drag gesture on the touch screen. For details, refer to the "Drag" section.

 Enable the touch screen function, and tap the horizontal position label

at the top of the screen. The following window is displayed. Tap the icon at the right side of the Pos input field to decrease or increase the horizontal position. You can also tap the Pos input field to input a specific value with the displayed numeric keypad.

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RIGOL Chapter 3 To Set the Horizontal System

Waveform Before Enlargement

Horizontal Position of the Delayed Sweep

Main Time Base

Time

Base of

the

Delayed

Sweep

Waveform After Enlargement

Note: When the delayed sweep is enabled, rotate the Horizontal POSITION

knob to adjust the horizontal position of the delayed sweep (press down the knob to quickly reset it). The horizontal position of the delayed sweep at the upper-right corner of the screen changes accordingly.

Delayed Sweep

Delayed sweep can be used to enlarge a length of waveform horizontally to view waveform details.

In the horizontal control area on the front panel, press Zoom to enable or disable the delayed sweep. By default, it is disabled. You can also press Acquire  More 

Zoom to enable or disable the delayed sweep function.

Note: To enable the delayed sweep, you must ensure that the current time base

mode is "YT".

In delayed sweep mode, the screen is divided into two display areas as shown in Figure 3-1.

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Figure 3-1 Delayed Sweep Mode

Chapter 3 To Set the Horizontal System RIGOL

Waveform before enlargement:

The waveform in the area that is not covered by subtransparent blue in the upper part of the screen is the waveform before enlargement. Its horizontal time base (also called main time base) is displayed at the upper-left corner of the screen. You can rotate the Horizontal POSITION knob to move the area left and right or rotate the Horizontal SCALE knob to enlarge or reduce this area.

Note: If you need to modify the horizontal time base (also called main time base) of

the normal sweep, please disable the delayed sweep function first. Rotate the Horizontal SCALE knob to set the required main time base, and then enable the delayed sweep function.

Waveform after enlargement:

The waveform in the lower part of the screen is the horizontally expanded delayed sweep waveform. Its horizontal time base (also called the time base of the delayed sweep) is displayed on the screen. Compared with the main time base, the time based of the delayed sweep has increased the waveform resolution, as shown in Figure 3-1. At this time, you can rotate the Horizontal SCALE knob to adjust the time base of the delayed sweep, and rotate the Horizontal POSITION knob to adjust the horizontal position of the delayed sweep.

Note: The time base of the delayed sweep should be smaller than or equal to the

main time base.

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Chapter 4 To Set the Sample System RIGOL

Chapter 4 To Set the Sample System

Contents in this chapter:

 Timebase Mode  Acquisition Mode  Sampling Mode  Sample Rate  LA Sample Rate  Memory Depth  LA Memory Depth  Anti-Aliasing  Horizontal Expansion

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RIGOL Chapter 4 To Set the Sample System

II I

III IV

Signal must be centered horizontally

Timebase Mode

MSO7000/DS7000 series supports three available time base modes: YT mode, XY mode, and ROLL mode. By default, the time base mode is YT.

Press Acquire  Timebase Mode on the front panel, and then rotate the multifunction knob to select the desired time base mode. Then, press down the

knob to select the mode. You can also press Timebase Mode continuously to select the mode or enable the touch screen to tap the desired mode and select it.

YT Mode

In this mode, the Y axis represents voltage, and the X axis represents time.

Note: Only when this mode is enabled, can delayed sweep be turned on. In this

mode, when the horizontal time base is equal to or greater than 200 ms/div, the instrument enters slow sweep mode. For details, refer to descriptions in "ROLL Mode".

XY Mode

In this mode, both the X axis and the Y axis represent the voltage. The mode changes the display from voltage-time display mode to voltage-voltage display. You can use the Lissajous method to measure the phase deviation of the two input signals whose frequencies are the same. The following figure shows the measurement schematic diagram of phase deviation.

Figure 4-1 Measurement Schematic Diagram of Phase Deviation

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Chapter 4 To Set the Sample System RIGOL

According to sin=A/B or C/D,  is the phase deviation angle between the two channels. The definitions of A, B, C, and D are shown in the above figure. The phase deviation angle is obtained, that is:

=arcsin(A/B) or arcsin(C/D)

If the principal axis of the ellipse is within Quadrant I and III, the phase deviation

angle obtained should be within Quadrant I and IV, namely within (0 to π/2) or (3π/2

to 2π). If the principal axis of the ellipse is within Quadrant II and IV, the phase

deviation angle obtained should be within Quadrant II and III, namely within (π/2 to

π) or (π to 3π/2). The XY function can be used to measure the phase deviation occurred when the signal under test passes through a circuit network. Connect the oscilloscope to the circuit to monitor the input and output signals of the circuit.

Application example: measures the phase deviation between the input signals of two channels.

Use Lissajous method

1. Connect one sine signal to CH1, and then connect another sine signal (with the

same frequency and amplitude as the previous one but a 90° phase deviation from the previous one) to CH2.

2. Press AUTO, after you select "XY" mode, rotate the Horizontal SCALE to

adjust the sample rate properly to obtain a better view of Lissajous graph for observation and measurement.

3. Rotate the Vertical SCALE knob that corresponds to CH1 and CH2

respectively to make the signals easy to observe. Then, a circle, as shown in the figure below, should be displayed.

4. Observe the measurement result shown in the figure above. According to the

measurement schematic diagram of the phase deviation (as shown in Figure 4-1), A/B(C/D)=1. Thus, the phase deviation angle of the two channel input signals is =arcsin1=90°.

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RIGOL Chapter 4 To Set the Sample System

Slow Sweep

It is similar to the ROLL mode. In YT mode, when the horizontal time base is set to 200 ms/div or smaller, the instrument enters the "slow sweep" mode in which the instrument first acquires the data at the left of the trigger point and then waits for a trigger event. After the trigger occurs, the instrument continues to finish the waveform at the right of the trigger point. When observing the low-frequency signal in the slow sweep mode, it is recommended that you set "Channel

Coupling" to "DC".

Note:

 The maximum sample rate in XY mode is 2.5 GSa/s. In this mode, CH1 and CH2

are forced to be enabled; CH3 and CH4 are forced to be disabled. Generally, a longer sample waveform can ensure better display effect of Lissajous figure. But due to the limitation of the memory depth, you have to reduce the waveform sample rate to acquire a longer waveform (refer to the introduction in "Memory Depth"). Therefore, during the measurement, reducing the sample rate properly can achieve better display effect of Lissajous figure.

 The following functions are disabled in XY mode:

"Delayed Sweep", "Vector display", "Scale", "Protocol Decoding", "Pass/Fail Test", "Waveform Recording & Playing", "Digital Channel", and "To Set the Persistence Time".

ROLL Mode

In this mode, the waveform scrolls from right to left to update the display. The available range of the horizontal scale is from 200 ms to 1 ks. Press More  Auto ROLL to select "ON". The system automatically enters the ROLL mode, and there is no slow sweep.

Note:

 If the current delayed sweep is enabled, then when you enable the ROLL mode,

the delayed sweep is disabled automatically. When you re-enable the "YT" mode, the delayed sweep will be re-enabled.

 The following functions cannot be set in ROLL mode:

"To Adjust the Horizontal Position" (available when the oscilloscope is in "Stop" operating status), "Delayed Sweep", "To Trigger the Oscilloscope",

"Protocol Decoding", "Pass/Fail Test", "Waveform Recording & Playing", and "To Set the Persistence Time".

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Acquisition Mode

The acquisition mode is used to control how to generate waveform points from the sample points.

MSO7000/DS7000 supports the following four acquisition modes: Normal, Average, Peak, and High Resolution. By default, the acquisition mode is Normal.

Press Acquire  Acquisition on the front panel, and then rotate the multifunction knob to select the desired acquisition mode. Then, press down the knob to

select the mode. You can also press Acquisition continuously to select the mode or enable the touch screen to tap the desired mode and select it.

Normal

In this mode, the oscilloscope samples the signal at a specified fixed time interval to rebuild the waveform. For most of the waveforms, using this mode can produce the optimal display effects.

Average

In this mode, the oscilloscope averages the waveforms from multiple samples to reduce the random noise of the input signal and improve the vertical resolution. Greater number of averages can lower the noise and increase the vertical resolution; while at the same time, it will slow the response of the displayed waveform to the waveform changes.

When you select "Average" mode, press Averages and rotate the multifunction knob or use the numeric keypad to set the desired number of averages. You can also use the pop-up numeric keypad to input the average count. When the average count value is in power-of-2 increments, a prompt message "Trim average count" is displayed. At this time, a value that is smaller than the one you input and the closest to power-of-2 increments will be input automatically. For example, if you input 9 with the numeric keypad, the average count will be input 8 automatically.

The number of averages can be set to 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, or 65536. By default, it is 2.

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RIGOL Chapter 4 To Set the Sample System

Figure 4-2 Waveforms before Averaging

Figure 4-3 Waveforms after 128 Times of Averaging

Peak

In this mode, the oscilloscope acquires the maximum and minimum values of the signal within the sample interval to get the envelope of the signal or the narrow pulse that might be lost. In this mode, signal aliasing can be prevented, but the noise displayed would be larger.

In this mode, the oscilloscope can display all the pulses whose pulse widths are at least the same as the sample period.

High Resolution

This mode uses an over-sample technique to average the neighboring points of the sample waveform. This reduces the random noise on the input signal, generates a

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Tip

Press RUN/STOP on the front panel to stop sampling, and then the oscilloscope will maintain its last captured graph. You can still expand or zoom the waveforms by using the horizontal and vertical control knobs.

Tip

Single-channel mode: only one of the four channels (CH1/CH2/CH3/CH4) is enabled. Dual-channel mode: either CH1 or CH2 is enabled; and either CH3 or CH4 is enabled. 4-channel mode: CH1/CH2 are both enabled or CH3/CH4 are both enabled.

much smoother waveform on the screen and improves the vertical resolution. This is generally used when the sample rate of the digital converter is greater than the storage rate of the acquisition memory.

Note:

 The "Average" and "High Res" modes use different averaging methods. The

former uses "Multi-sample Average" and the latter uses "Single-sample Average".

 In "High Res" mode, the oscilloscope improves the measurement accuracy at

the cost of bandwidth. Each time the sampling rate changes, a window displaying the current bandwidth appears at the lower-left corner of the screen.

 In "High Res" mode, the highest waveform refresh rate mode is not supported.

Sampling Mode

This oscilloscope only supports the real-time sampling mode. In this mode, the oscilloscope produce the waveform display from samples collected during one trigger event. The highest real-time sample rate on the analog channel of MSO7000/DS7000 series is 10 GSa/s. The current sample rate is displayed under CH SampleRate.

Sample Rate

Sampling is the process of converting the analog signal into the digital signal at a specified time interval and then restoring them in sequence. The sample rate is the reciprocal of the time interval. The sample rate of the analog channel is related to the current channel mode. The maximum real-time sample rate in the single-channel mode of the oscilloscope is 10 GSa/s. The maximum real-time sample rate in the dual-channel mode is 5 GSa/s, and the maximum real-time sample rate in the 4-channel mode is 2.5 GSa/s.

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RIGOL Chapter 4 To Set the Sample System

Pulse disappeared

Note: The sample rate is displayed both in the status bar at the upper part of the

screen and in the CH SampleRate menu. To indirectly modify the sample rate, rotate the Horizontal SCALE knob to adjust the horizontal time base or modify the memory depth.

The impact of low sample rate on the waveform:

1. Waveform Distortion: when the sample rate is too low, some waveform

details are lost, and the sample waveform displayed is rather different from the actual waveform of the signal.

2. Waveform Aliasing: when the sample rate is twice lower than the actual

signal frequency (Nyquist Frequency), the frequency of the waveform rebuilt from the sample data is smaller than the actual signal frequency.

3. Waveform Leakage: when the sample rate is too low, the waveform rebuilt

from the sample data does not reflect all the actual signal information.

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Trigger Point

Pre-sample Delayed Sample

Memory Depth

MDepth SRate TScale HDivs  

MDepth

LA Sample Rate

LA sampling is the process of sampling on the compared digital signals at a certain time interval. LA sample rate is the reciprocal of the time interval. For example, if the LA sample rate is 500 MSa/s, it indicates that the oscilloscope will make data acquisition on the digital signals at an interval of 2 ns. The maximum LA sample rate of the oscilloscope is 1.25 GSa/s, and its display value is related to the sample rate of the current analog channel.

Note:

1. The digital signals here mentioned refers to the signal obtained from the

comparison between the input signal and the user-defined threshold level. The rule of the comparison is that when the amplitude of the input signal is greater than the threshold level, it is judged to be the logic high level; when the amplitude of the input signal is smaller than the threshold level, it is judged to be the logic low level.

2. LA sample rate is displayed under the LA SampleRate menu. To indirectly

modify the LA sample rate, rotate the Horizontal SCALE knob to adjust the horizontal time base or modify the memory depth.

Memory Depth

Memory depth refers to the number of points of the oscilloscope that can store in one trigger acquisition. It reflects the storage capability of the acquisition storage. This oscilloscope is equipped with a standard memory depth of up to 500 Mpts.

Figure 4-4 Memory Depth

The following equation shows the relations among memory depth, sample rate, and horizontal time base scale:

——indicates the memory depth. The unit is pts.

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RIGOL Chapter 4 To Set the Sample System

SRate

TScale

HDivs

——indicates the sample rate. The unit is Sa/s.

——indicates the horizontal time base scale. The unit is s/div.

——indicates the number of grids in the horizontal direction. The unit is div.

Therefore, under the same horizontal time base scale, a higher memory depth can ensure a higher sample rate.

Press Acquire  Mem Depth, then rotate the multifunction knob to switch to the desired memory depth, and then press down the knob to select the option. You can also press the Mem Depth key continuously or enable the touch screen to select the memory depth. By default, the memory depth is Auto.

 For analog channels: ― In single-channel mode, the memory depths available include Auto, 1 Kpts, 10

Kpts, 100 Kpts, 1 Mpts, 10 Mpts, 25 Mpts, 50 Mpts, 100 Mpts, 125 Mpts (optional), 250 Mpts (optional), and 500 Mpts (optional).

― In dual-channel mode, the memory depths available include Auto, 1 Kpts, 10

Kpts, 100 Kpts, 1 Mpts, 10 Mpts, 25 Mpts, 50 Mpts, 100 Mpts, 125 Mpts (optional), and 250 Mpts (optional).

― In 4-channel mode, the memory depths available include Auto, 1 Kpts, 10 Kpts,

100 Kpts, 1 Mpts, 10 Mpts, 25 Mpts, 50 Mpts, 100 Mpts, and 125 Mpts (optional).

Note: In "Auto" mode, the oscilloscope selects the memory depth automatically

according to the current sample rate.

LA Memory Depth

Press Acquire  More to view the memory depth of the current digital channel under LA Mem Depth. The LA memory depth will change with the memory depth of the analog channel, and cannot be set separately. The maximum LA memory depth is

62.5 Mpts.

Anti-Aliasing

At a slower sweep speed, the sample rate is reduced, and a dedicated display algorithm can be used to minimize the possibility of aliasing.

Press Acquire  Anti-aliasing to enable or disable the anti-aliasing function. By default, anti-aliasing is disabled. In this case, it is more likely to generate waveform aliasing.

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Note: This function should be enabled when the horizontal time base has a large

deviation from the period of the signal under test (e.g. when the horizontal time base is greater than five-fold the period of the signal under test).

Horizontal Expansion

Horizontal expansion indicates the reference position that the screen waveform is referenced to when it is horizontally expanded or compressed in adjusting the Horizontal SCALE knob. In YT mode, press Acquire  More  Expand and

then rotate the multifunction knob to select the desired reference position. Press down the knob to select it. You can also press Expand continuously to select it or enable the touch screen to tap the desired reference. The horizontal expansion reference supported by the oscilloscope includes Center, Left, Right, Trigger, and User. The default is "Center".

 Center: when the horizontal time base is modified, the waveform will be

expanded or compressed horizontally relative to the screen center.

 Left: when the horizontal time base is modified, the waveform will be expanded

or compressed horizontally relative to the leftmost position of the screen.

 Right: when the horizontal time base is modified, the waveform will be

expanded or compressed horizontally relative to the rightmost position of the screen.

 Trigger: when the horizontal time base is modified, the waveform will be

expanded or compressed horizontally relative to the trigger point.

 User: when the horizontal time base is modified, the waveform displayed will be

expanded or compressed horizontally relative to the user-defined reference position. After you select "User", press Expand User and then rotate the multifunction knob to set the expansion reference. Its available range is from the rightmost position of the screen to the leftmost position of the screen. By default, it is the screen center. Pressing down the multifunction knob can quickly reset the user-defined reference position to 0.

Note: This function is unavailable in YT mode with the delayed sweep being enabled,

XY mode, and ROLL mode.

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Chapter 5 To Trigger the Oscilloscope RIGOL

Chapter 5 To Trigger the Oscilloscope

As for trigger, you set certain trigger condition according to the requirement and when a waveform in the waveform stream meets this condition, the oscilloscope captures this waveform as well as the neighboring part, and displays them on the screen. For the digital oscilloscope, it samples waveform continuously no matter whether it is stably triggered, but only stable trigger can be stably displayed. The trigger module ensures that every time base sweep or acquisition starts from the user-defined trigger condition, namely every sweep is synchronous with the acquisition and the waveforms acquired is overlapped so as to display the stable waveforms.

Trigger settings should be based on the features of the input signal. To quickly capture the desired waveform, you need to understand the signal under test. This oscilloscope provides abundant trigger types that help you focus on the desired waveform details.

Contents in this chapter:

 Trigger Source  Trigger LEVEL/Threshold Level  Trigger Mode  Trigger Coupling  Trigger Holdoff  Noise Rejection  Trigger Type  Zone Trigger  Trigger Output Connector

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RIGOL Chapter 5 To Trigger the Oscilloscope

Trigger Source

In the trigger control area (Trigger) on the front panel, press Menu  Source to select the desired source, or rotate the multi-function knob to select a desired

source, then press down the knob to select it. You can also press Source continuously to select the trigger source or enable the touch screen to tap the desired trigger source and select it.

Analog channels (CH1-CH4), digital channels (D0-D15, available for the MSO7000 series), EXT (external trigger), or AC Line can all be selected as the trigger source.

Analog channel input:

Signals input from analog channels CH1-CH4 can all be used as trigger sources. No matter whether the channel selected is enabled, the channel can work normally.

Digital channel input:

Signals input from digital channels D0-D15 can all be used as trigger sources. No matter whether the channel selected is enabled, the channel can work normally.

External trigger input:

The external trigger source can be used to trigger on the fifth channel while all the other four channels are acquiring data. The trigger signal (e.g. external clock or signal of the circuit under test) will be connected to EXT trigger source via the external trigger input terminal [EXT TRIG] connector. You can set the trigger conditions within the range of the trigger level (from -8 V to +8 V).

AC line input:

The trigger signal is obtained from the AC power input of the oscilloscope. AC trigger is usually used to measure signals relevant to the AC power frequency. For example, stably triggering the waveform output from the transformer of a transformer substation. It is mainly used in related measurements of the power industry.

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Trigger LEVEL/Threshold Level

The adjustment of the trigger level/threshold level is related to the type of the trigger source.

 When the trigger source is selected from CH1 to CH4, rotate the Trigger

LEVEL knob to adjust the trigger level. During the adjustment, a trigger level

line (the color of the trigger level line should be consistent with that of the channel color) and a trigger label " " are displayed on the screen, and they move up and down with the variation of the trigger level. When you stopping modifying the trigger level, the trigger level line disappears in about 2 s. The current trigger level value is displayed at the upper-right corner of the screen.

Note: In Runt Trigger, Slope Trigger, and Window trigger, you need to set the

upper and lower limits of the trigger level. You can modify the level by rotating the Trigger LEVEL knob. The difference between the current upper limit and lower limit of the trigger level is displayed at the upper-right side of the screen. Two trigger level labels ( and ) are displayed at the left side of the screen. Meanwhile, the real-time trigger level information is displayed at the lower-left side of the screen, as shown in the figure below. H indicates the upper

limit of the trigger level, L indicates the lower limit of the trigger level, and △ indicates the deviation of the trigger level.

 When the trigger source is EXT, rotate the Trigger LEVEL knob to adjust

the trigger level. The current trigger level value is displayed at the upper-right corner of the screen.

Note: For this trigger source, only the variation of the trigger level value is

displayed on the screen during the adjustment of the trigger level, without displaying the trigger level lines on the screen.

 When the trigger source is AC Line, there is no trigger level.

 When the trigger source is selected from D0 to D15, rotate the Trigger

LEVEL knob to adjust the threshold level. The current threshold level value is displayed at the upper-right corner of the screen. In addition, you can also press LA to enter the LA logic analysis setting menu. Then set the threshold level of the digital channel in the sub-menu threshold setting. For the setting method, refer to "To Set the Threshold". You can also enable the touch screen function to adjust the trigger level/threshold level. Two methods are available for you:

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RIGOL Chapter 5 To Trigger the Oscilloscope

Pre-trigger Buffer

Post-trigger Buffer

Trigger Event

Acquisition Memory

Level Input Field Decrease the level Increase the level

Method 1: Enable the touch screen and drag the trigger level line to adjust the trigger level. For details about the operations, refer to descriptions in "Drag" section. Method 2: Enable the touch screen function, and tap the trigger setting label

at the upper-right corner of the screen. The following window is

displayed. Tap the icon at the right side of the Level input field to decrease or increase the trigger level. You can also tap the Level input field to input a specific value with the displayed numeric keypad.

Trigger Mode

The following is the schematic diagram of the acquisition memory. To easily understand the trigger event, we classify the acquisition memory into the pre-trigger buffer and post-trigger buffer.

Figure 5-1 Schematic Diagram of the Acquisition Memory

After the system runs, the oscilloscope operates by first filling the pre-trigger buffer. It starts searching for a trigger after the pre-trigger buffer is filled. While searching for the trigger, the data sampled will still be transmitted to the pre-trigger buffer (the new data will continuously overwrite the previous data). When a trigger is found, the pre-trigger buffer contains the data acquired just before the trigger. Then, the oscilloscope will fill the post-trigger buffer and display the data in the acquisition memory. If the acquisition is activated via RUN/STOP, the oscilloscope will repeat this process; if the acquisition is activated via SINGLE, the oscilloscope will stop after finishing a single acquisition (you can pan and zoom the currently displayed waveform).

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MSO7000/DS7000 provides three trigger modes: Auto, Normal, and Single. The default is Auto.

In the trigger control area (Trigger) on the front panel, press Mode to quickly switch the current trigger mode. The trigger mode is displayed at the upper-right corner of the screen: A (Auto), N (Normal), and S (Single).

 Auto: In this trigger mode, if the specified trigger conditions are not found,

triggers are forced and acquisitions are made so as to display the waveforms. This trigger mode should be used when the signal level is unknown or the DC should be displayed as well as when forcible trigger is not necessary as the trigger condition always occurs.

 Normal: In this trigger mode, triggers and acquisitions only occur when the

specified trigger conditions are found. This trigger mode should be used when the signal is with low repetition rate or only the event specified by the trigger setting needs to be sampled as well as when auto trigger should be prevented to acquire stable display.

 Single: In this trigger mode, the oscilloscope performs a single trigger and

acquisition when the specified trigger conditions are found, and then stops. This trigger mode should be used when you need to perform a single acquisition of the specified event and analyze the acquisition result (you can pan and zoom the currently displayed waveform, and the subsequent waveform data will not overwrite the current waveform). After a single trigger mode is initiated, the operating status of the oscilloscope is in "STOP" state.

Note: In "Normal" and "Single" trigger modes, pressing Force can generate a

trigger signal forcibly.

In addition, you can enable the touch screen to set the trigger mode. Enable the

touch screen and tap the trigger setting label at the upper-right corner of the screen. Then the following window is displayed. Tap to select "Auto", "Normal", or "Single" as the trigger mode.

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Tip

When "AC" or "LFR" is selected under Coupling, no trigger level lines and trigger icons are displayed. When you adjust the trigger level, you can only see the changes of the trigger level values at the upper-right corner of the screen.

Holdoff Time

Trigger Position

Trigger Coupling

Trigger coupling decides which kind of components will be transmitted to the trigger module. Please distinguish it from "Channel Coupling".

Note: Trigger coupling is only valid when the trigger type is Edge and the trigger

source is an analog channel.

Press Menu  Coupling in the trigger control area (Trigger) on the front panel. Then, rotate the multifunction knob to select the desired coupling mode (by

default, it is DC). You can also press Coupling continuously to select it or enable the touch screen to select the desired coupling mode with touch gestures.

 DC: allows DC and AC components to pass the trigger path.  AC: blocks the DC components and attenuates signals.  LFR: blocks the DC components and rejects the low-frequency components.  HFR: rejects the high frequency components.

Trigger Holdoff

Trigger holdoff can be used to stably trigger on complex repetitive waveforms that have multiple edges (or other events) between waveform repetitions (such as pulse series). Holdoff time indicates the time that the oscilloscope waits for re-arming the trigger module after generating a correct trigger. The oscilloscope will not trigger even if the trigger condition is met during the holdoff time and will only re-arm the trigger module after the holdoff time expires.

For example, to stably trigger the repetitive pulse series as shown in the figure below, the holdoff time should be set to a value that is greater than t1 and smaller than t2.

Figure 5-2 Schematic Diagram of Trigger Holdoff

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In the trigger control area (Trigger) on the front panel, press Menu  Holdoff (for some trigger, Holdoff is a sub menu under More, at this time, press Menu  More  Holdoff) and then rotate the multifunction knob at a small step to modify the holdoff time (the holdoff to this time when the waveforms are stably triggered; by

default, the holdoff time is 16 ns). Also, you can use the numeric keypad to set the holdoff time. The adjustable range of holdoff time is from 8 ns to 10 s.

Noise Rejection

Noise rejection can reject the high frequency noise in the signal and reduce the possibility of miss-trigger of the oscilloscope.

In the trigger control area (Trigger) on the front panel, press Menu to enter the trigger setting menu, then press Noise Reject continuously (for some trigger,

Noise Reject is a sub menu under More, at this time, press Menu  More  Noise Reject) to enable or disable noise rejection.

Note: This function is only available when the trigger source is an analog channel.

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Trigger Type

MSO7000/DS7000 series ocilloscope provides the following trigger functions (all the triggers are hardware triggers, except the zone trigger).

 Edge Trigger  Pulse Trigger  Slope Trigger  Video Trigger  Pattern Trigger  Duration Trigger  Timeout Trigger  Window Trigger  Delay Trigger  Setup/Hold Trigger  Nth Edge Trigger  RS232 Trigger (Option)  I2C Trigger (Option)  SPI Trigger (Option)  CAN Trigger (Option)  FlexRay Trigger (Option)  LIN Trigger (Option)  I2S Trigger (Option)  MIL-STD-1553 Trigger (Option)

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Edge Trigger

Triggers on the trigger level/threshold level of the specified edge of the input signal.

Trigger Type:

Press Menu  Type in the trigger control area (Trigger) on the front panel and rotate the multifunction knob to select "Edge", then press down the knob to

select it. You can also press Type continuously or enable the touch screen to tap the desired trigger type and select it. At this time, the current trigger setting information (including trigger type, trigger source, and trigger level/threshold level) is displayed at the upper-right corner of the screen, as shown in the figure below. The information will change based on the trigger settings.

Source Selection:

Press Source to open the signal source list and select CH1-CH4, AC Line, EXT, or D0-D15. For details, refer to descriptions in "Trigger Source". The current trigger source is displayed at the upper-right corner of the screen.

Note: Only when we select the channel (that has been input with signals) as the

trigger source, can we obtain a stable trigger.

Edge Type:

Press Slope, and then rotate the multifunction knob to select the input signal the edge on which the oscilloscope triggers. Then, the current edge type is displayed at the upper-right corner of the screen. You can also press the Slope key continuously or enable the touch screen to select the desired edge type.

 Rising: triggers on the rising edge of the input signal when the voltage level

meets the specified trigger level.

 Falling: triggers on the falling edge of the input signal when the voltage level

meets the specified trigger level.

 Either: triggers on the rising or falling edge of the input signal when the

voltage level meets the preset trigger level.

Trigger Mode:

In the trigger control area (Trigger) on the front panel, press Mode to quickly switch the current trigger mode. For details, refer to descriptions in "Trigger Mode".

Trigger Parameter Setting:

Set the trigger parameters (trigger coupling, trigger holdoff, and noise rejection) under this trigger type. For details, refer to descriptions in "Trigger Coupling",

"Trigger Holdoff", and "Noise Rejection".

Trigger LEVEL/Threshold Level:

Rotate the Trigger LEVEL knob to adjust the trigger level or threshold level.

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Trigger Level

+Width

-Width

Please refer to descriptions in "Trigger LEVEL/Threshold Level". The current trigger level/threshold level value is displayed at the upper-right corner of the screen.

Pulse Trigger

Triggers on the positive or negative pulse with a specified width. In this mode, the oscilloscope will trigger when the pulse width of the input signal satisfies the specified pulse width condition.

In this oscilloscope, positive pulse width is defined as the time difference between the two crossing points of the trigger level and positive pulse; negative pulse width is defined as the time difference between the two crossing points of the trigger level and negative pulse, as shown in the figure below.

Figure 5-3 Positive Pulse Width/Negative Pulse Width

Trigger Type:

Press Type, and then rotate the multifunction knob to select "Pulse". Press down the knob to select the trigger type. Then, the current trigger setting information is displayed at the upper-right corner of the screen, as shown in the figure below. You can also press the Type key continuously or enable the touch screen to select the desired trigger type.

Source Selection:

Press Source to open the signal source list and select CH1-CH4 or D0-D15. For details, refer to descriptions in "Trigger Source". The current trigger source is displayed at the upper-right corner of the screen.

Note: Only when we select the channel (that has been input with signals) as the

trigger source, can we obtain a stable trigger.

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