Rigol DS1062B, DS1102B, DS1202B, DS1064B, DS1104B User guide

User’s Guide RIGOL

Publication number UGA04107-1210

July 2008

DS1000B Series Digital Oscilloscopes

DS1062/4B，DS1102/4B，DS1202/4B

RIGOL

I

 © 2008 RIGOL Technologies, Inc. All Rights Reserved.  RIGOL products are protected by patent law in and outside of P.R. China.  Information in this publication replaces all previously corresponding material.  RIGOL Technologies, Inc. reserves the right to modify or change part of or all

the specifications and pricing policies at company‟s sole decision.

NOTE: RIGOL is registered trademark of RIGOL Technologies, Inc.

User‟s Guide for DS1000B Series

RIGOL

II

Safety Notices

Review the following safety precautions carefully to avoid any personal injuries or damages to the instrument and any products connected to it. To avoid potential hazards, please use the instrument as specified by this manual only.

The instrument should be serviced by Authorized personnel only.

To Avoid Fire or Personal Injury.

Use Proper Power Cord. Use the power cord designed for the instrument and

authorized in your country only.

Ground The Instrument. The oscilloscope is grounded through the grounding conductor of the power cord. To avoid electric shock the instrument, grounding conductor(s) must be grounded properly, before making connections to the input or output terminals of the instrument.

Connect The Probe. The probes‟ ground terminals are at the same voltage level of the instrument ground. Do not connect the ground terminals to a high voltage.

Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings and marks on the instrument. Follow the user‟s guide for further ratings information before making connections to the instrument.

Do Not Operate Without Covers. Do not operate the instrument with covers or panels removed.

Use Proper Fuse. Use the fuse of the type, voltage and current ratings as specified for the instrument.

Avoid Circuit or Wire Exposure. Do not touch exposed connections and components when power is on.

Do Not Operate With Suspected Failures. If suspected damage occurs with the instrument, have it inspected by qualified service personnel before further operations.

Provide Proper Ventilation. Refer to the installation instructions for proper ventilation of the instrument.

Do not Operate in Wet/Damp Conditions.

User‟s Guide for DS1000B Series

RIGOL

III

Do not Operate in an Explosive Atmosphere.

Keep Product Surfaces Clean and Dry.

The disturbance test of all the models meet the limit values of A in the

standard of EN 61326: 1997+A1+A2+A3, but can’t meet the limit values

of B.

Measurement Category

The DS1000B series Digital Oscilloscope is intended to be used for 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; for that reason, the transient withstand capability of the equipment is made known to the user.

WARNING

IEC Measurement Category I. The input terminals may be connected to circuit terminal in IEC Category I installations for voltages up to 300 VAC. To avoid the

danger of electric shock, do not connect the inputs to circuit‟s voltages above 300

VAC. Transient overvoltage is also present on circuits that are isolated from mains. The DS1000B series Digital Oscilloscopes is designed to safely withstand occasional transient overvoltage up to 1000 Vpk. Do not use this equipment to measure circuits where transient overvoltage could exceed this level.

User‟s Guide for DS1000B Series

RIGOL

IV

!

Hazardous Voltage

Refer to Instructions

Protective Earth Terminal

Earth Ground

Chassis Ground

!

Safety Terms and Symbols

Terms in This Guide. These terms may appear in this guide:

WARNING: Warning statements identify conditions or practices that could result in injury or loss of life.

CAUTION: Caution statements identify conditions or practices that could result in damage to this product or other property.

Terms on the Product: These terms may appear on the product.

DANGER indicates an injury hazard may be immediately accessible.

WARNING indicates an injury hazard may be not immediately accessible.

CAUTION indicates that a potential damage to the instrument or other property

might occur.

Symbols on the Product: These symbols may appear on the Instrument:

User‟s Guide for DS1000B Series

V

RIGOL

General-Purpose Oscilloscopes

RIGOL DS1000B series digital oscilloscopes offer exceptional waveform viewing and measurements in a compact, lightweight package. The DS1000B series is ideal for production test, field service, research, design, education and training involving applications of analog circuit tests and troubleshooting.

Product features:  Dual Channel or Four Channels, Bandwidth of per channel:

200MHz (DS1202/4B) 100MHz (DS1102/4B) 60MHz (DS1062/4B)

 2GSa/s real-time sampling rate and 50GSa/s equivalent sampling rate.  Color TFT 5.7 inch LCD, 320× 240 pixels resolution.  USB storage and direct printing, software upgrade via USB interface.  Adjustable waveform intensity, more effective waveform viewing.  One-touch automatic setup, ease of use (AUTO).  Storage and recurrence of Waveforms and setups, supports CSV, 8 or 24 bits

bitmap and PNG format.

 Delayed Scan Function, easy to give attention to both details and overview of a

waveform.

 22 Automatic measurements.  Automatic cursor tracking measurements.  Waveform recorder, record and replay dynamic waveforms.  Supports fast offset calibration of an oscilloscope.  Built-in FFT function.  Digital filters, includes LPF, HPF, BPF, BRF.  Pass/Fail detection Function, optically isolated Pass/Fail output.  Add, Subtract and Multiply Mathematic Functions of waveforms.  Advanced trigger types include: Edge, Video, Pulse width, Pattern, Alternative.  Adjustable trigger sensitivity.  Multiple Language User Interface.  Pop-up menu makes it easy to read and easy to use.  Built-in help systems with multinational languages.  Easy-to-use file system supports Chinese & English characters file name input.  Conform to LXI consortium instrument standard class C.

User‟s Guide for DS1000B Series

RIGOL

VI

Contents

Safety Notices ...........................................................................................II

General-Purpose Oscilloscopes ................................................................... V

Chapter 1 : Getting Started ................................................................. 1-1

The Front Panel and User Interface ......................................................... 1-2

To Inspect the Instrument ...................................................................... 1-5

To Perform a Functional Check ................................................................ 1-6

To Compensate the Probes ..................................................................... 1-8

To Display a Signal Automatically ............................................................ 1-9

To Understand the Vertical System ........................................................ 1-10

To Understand the Horizontal System .................................................... 1-12

To Trigger the Oscilloscope ................................................................... 1-14

To Understand the Quick Function ......................................................... 1-17

Chapter 2 : Operating Your Oscilloscope ............................................ 2-1

To Set up the Vertical System ................................................................. 2-2

To Set the Channels ......................................................................... 2-2

To Use Math Functions ................................................................... 2-13

To Use REF Function ...................................................................... 2-18

Turn on or off Channels .................................................................. 2-26

To Apply the Vertical Knobs ............................................................ 2-27

To Set up the Horizontal System ........................................................... 2-28

To Set up the Trigger System ................................................................ 2-34

Trigger Modes ............................................................................... 2-35

Edge Trigger.................................................................................. 2-36

Pulse Width Trigger ........................................................................ 2-37

Video Trigger ................................................................................. 2-38

Pattern Trigger .............................................................................. 2-41

Alternative Trigger ......................................................................... 2-43

Trigger Settings ............................................................................. 2-46

To Set up the Sampling System ............................................................. 2-52

To Set up the Display System ................................................................ 2-56

To Store and Recall .............................................................................. 2-59

To Set up the Utility ............................................................................. 2-69

The I/O Setup ............................................................................... 2-71

Preference .................................................................................... 2-74

Self-Calibration .............................................................................. 2-75

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VII

Pass/Fail ........................................................................................ 2-76

Print Setting ................................................................................... 2-80

Waveform Recorder ........................................................................ 2-82

System information ........................................................................ 2-86

Language ...................................................................................... 2-87

Date and Time ............................................................................... 2-88

To Measure Automatically ...................................................................... 2-89

Quick Measurement Setup .............................................................. 2-91

Delay/Phase Setup ......................................................................... 2-92

Voltage Measurements .................................................................... 2-93

Time Measurements ....................................................................... 2-95

To Measure with Cursors ....................................................................... 2-99

Manual Mode ............................................................................... 2-100

Track Mode .................................................................................. 2-102

Auto mode ................................................................................... 2-104

To Use Run Control Buttons ................................................................. 2-105

Chapter 3 : Application & Examples .................................................... 3-1

Example 1: Taking Simple Measurements ................................................. 3-1

Example 2: View a Signal Delay Caused by a Circuit .................................. 3-2

Example 3: Capture a Single-Shot Signal .................................................. 3-3

Example 4: To Reduce the Random Noise on a Signal ............................... 3-4

Example 5: Making Cursor Measurements ................................................. 3-6

Example 6: The Application of the X-Y operation ....................................... 3-8

Example 7: Triggering on a Video Signal ................................................. 3-10

Example 8: FFT Cursor Measurement ..................................................... 3-12

Example 9: Pass/Fail Test ...................................................................... 3-14

Chapter 4 : Troubleshooting ............................................................... 4-1

Chapter 5 : Specifications ................................................................... 5-1

Specifications ......................................................................................... 5-2

General Specifications ............................................................................. 5-6

Chapter 6 : Appendixes ....................................................................... 6-1

Appendix A: Accessories .......................................................................... 6-1

Appendix B: Warranty ............................................................................. 6-2

Appendix C: Maintenance ........................................................................ 6-3

Appendix D: Contact RIGOL ................................................................... 6-4

Index ......................................................................................................... i

User‟s Guide for DS1000B Series

1-1

Chapter 1 : Getting Started

This chapter covers the following topics:

 The front panel and user interface

 To inspect the instrument

 To perform a functional check

 To compensate the probes

 To display a signal automatically

 To understand the vertical system

 To understand the horizontal system

 To trigger the oscilloscope

 To understand the quick function

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User‟s Guide for DS1000B Series

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1-2

The Front Panel and User Interface

Being familiar with the front panel of an oscilloscope is the first priority when you get a new type digital oscilloscope. This chapter will bring you a brief introduction and description of the front panel operations of DS1000B series digital oscilloscopes. It is a great help for your understanding to the layout of the knobs and keys and how to use them. Read the chapter carefully before further operations.

Figure 1-1, the front Panel; the knobs are used most often and are similar to the knobs on other oscilloscopes. There are five gray buttons defined as No.1 to No.5 from up to bottom on the right side of the display which are menu operating buttons. The buttons not only allow you to use some of the functions directly but also bring up soft button menus on the screen, which enable the access to many measurement features associated with the advanced functions, mathematics, and reference or to run control features.

Figure 1-1

DS1000B Series Oscilloscope‟s Front Panel

User‟s Guide for DS1000B series

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1-3

Figure 1-2

Front Panel Controls

Notation definitions in this User’s Guide:

Throughout this guide, notation symbols of buttons and knobs are the same of those

on front-panel.

 A box around the name of the key denotes MENU function buttons on

front-panel, such as Measure.

 ( ) denotes the multi-function knob .

 denotes the three POSITION knobs (two channels) or five

POSITION knobs (four channels)

 denotes the three or five SCALE knobs according to the quantities of

the channels of different types of oscilloscopes.

 denotes the LEVEL knob.

 The name with a drop shadow denotes the menu operating key, such as

Waveform soft key in Storage menu.

User‟s Guide for DS1000B Series

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1-4

Waveform display windows

Mark of channel1

Mark of channel2

Mark of channel3

Mark of channel4

Trigger symbol Running status

Location of the current waveform in the memory

Trigger position in the memory

Trigger position in current waveform windows

Menu

Display screen

Figure 1-3

User‟s Guide for DS1000B series

1-5

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To Inspect the Instrument

After receiving a new DS1000B series oscilloscope, please inspect the instrument as

follows:

1. Inspect the shipping container for damage.

Keep the damaged shipping container or cushioning material until the contents of the shipment have been checked for completeness and the instrument has been checked mechanically and electrically.

2. Check the accessories.

Accessories supplied with the instrument are listed in "Accessories" in this guide. If the contents are incomplete or damaged notify the RIGOL Sales Representative.

3. Inspect the instrument.

In case there is any mechanical damage or defect, or the instrument does not operate properly or fails performance tests, notify the RIGOL Sales Representative.

If the shipping container is damaged, or the cushioning materials show signs of stress, notify the carrier as well as the RIGOL sales office. Keep the shipping materials for the carrier‟s inspection.

RIGOL offices will arrange for repair or replacement at RIGOL‟s option without waiting for claim settlement.

User‟s Guide for DS1000B Series

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1-6

!

Storage button Power

To Perform a Functional Check

Perform this quick functional check to verify that the instrument is operating correctly.

1. Turn on the instrument.

 Use the power cord designed for the oscilloscope only.

 Use a power source that delivers 100 to 240 V, 45Hz to 440Hz.

 Turn on the instruments, and wait until the display shows the waveform window.

 Push the Storage button, select Storage in the top menu box and push the

Factory menu box, then continue pressing Load.

Figure 1-4

Turn on the instrument

WARNNING:

To avoid electric shock, be sure the oscilloscope is properly grounded.

2. Input a signal to a channel of the oscilloscope

① Set the attenuation switch on the probe to 10X and connect the probe to Channel

1 on the oscilloscope. To do this:

 Align the slot in the probe connector with the socket on the Bayonet Nut

 Push to connect, and twist to the right to lock the probe in place.

 Attach the probe tip and ground lead to the PROBE COMP connector.

Connector (BNC) connector of CH1 or CH2.

User‟s Guide for DS1000B series

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1-7

Probe scale

Probe compensator

Figure 1-5

Attach the probe

② Set the probe attenuation of the oscilloscope to 10X. To do this, push

CH1→Probe→10X.

Figure 1-6 Figure 1-7

Set the probe The CH1 menu

③ Push the AUTO button. Within a few seconds, a square wave will be displayed on

the screen.

④ Push the OFF button or push the CH1 button again to turn off Channel 1.

Push the CH2, CH3, CH4 buttons to turn on channel 2, channel3, channel4, repeat steps 2 and 3.

NOTE: The signal output from Probe compensator should only be used for probe

compensation, not for calibration.

User‟s Guide for DS1000B Series

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1-8

!

To Compensate the Probes

Perform this adjustment to match the characteristics of the probe and the channel input. This should be performed whenever attaching a probe to any input channel at the first time.

1. From CH1 menu, set the Probe attenuation to 10X (press CH1→Probe→10X). Set the switch to 10X on the probe and connect it to CH1 of the oscilloscope. When using the probe hook-tip, inserting the tip into the hook-tip firmly to ensure a tight connection. Attach the probe tip to the connector of the Probe compensator and link the reference wire cramp with the ground connector of the probe compensator, Select CH1, and then press AUTO.

2. Check the shape of the displayed waveform.

Over Compensated Correctly Compensated Under Compensated

Figure 1-9

Figure 1-8

Check the shape

3. If necessary, use a non-metallic tool to adjust the variable capacitor of the probe

for the flattest square wave being displayed on the oscilloscope.

4. Repeat if necessary.

WARNNING: To avoid electric shock while using the probe, be sure the perfection of the insulated cable, and do not touch the metallic portions of the probe head while it is connected with a voltage source.

User‟s Guide for DS1000B series

1-9

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To Display a Signal Automatically

The DS1000B series oscilloscope has an automated feature to display the input signal in best-fit status. The input signal should be 50 Hz or higher and a duty cycle is greater than 1%.

Press the AUTO button, the oscilloscope automatically sets up VERTICAL, HORIZONTAL and TRIGGER controls to display the input signal. Adjust the controls manually to get the best results if necessary.

Using the automatic setting:

1. Connect a signal to the oscilloscope (such as channel 1) as described above.

2. Press AUTO. The oscilloscope may change the current settings to display the signal; adjusts the vertical and horizontal scaling, the trigger coupling, type, position, level, and mode.

User‟s Guide for DS1000B Series

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1-10

Measurement hints

If the channel is DC coupled, measuring the DC and AC components of the signal by simply noting its distance from the ground symbol.

If the channel is AC coupled, the DC component of the signal is blocked, allow you to use greater sensitivity to display the AC component of the signal.

To Understand the Vertical System

As shown in Figure 1-9, there are several series buttons and knobs in the VERTICAL control area. The following exercises will gradually conduct you to be familiar with the using of the vertical parameters settings.

1. Center the signal on the display with the knob.

The knob moves the signal vertically, and it is calibrated. Note that turning the knob, a voltage value is displayed for a short time indicating its value with respect to the ground reference located at the center of the screen. Also notice that the ground symbol on the left side of the display moves in conjunction with the knob.

Figure 1-9

The vertical control window

User‟s Guide for DS1000B series

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1-11

Vertical offset back to 0 shortcut key

Turn the knob to change the vertical display position of channel and press the knob to set the vertical display position back to 0 as a shortcut key, this is especially helpful when the trace position is far out of the screen and want it to get back to the screen center immediately.

Coarse/Fine Shortcut key

The Coarse/Fine vertical control can be set by simply pressing the vertical

knob.

2. Change the vertical setup and notice that each change affects the

status bar differently.

 Change the vertical sensitivity with the knob and notice the change

in the status bar at the bottom of the display.

 When you Press CH1, CH2, CH3, CH4, MATH, REF, the operating menus,

symbols, waveforms and status information of corresponding channel and settings will be displayed on the screen. The current selected channel will be shut down when you press the key associated with the channel one more time.

User‟s Guide for DS1000B Series

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1-12

Delayed Scan Shortcut key

To press the knob in the horizontal control area on the front-panel is another way to enter or exit Delayed Scan mode and it is equal to the menu operations, MENU→Delayed→ON.

To Understand the Horizontal System

Figure 1-10 shows the HORIZONTAL controls: MENU button, and

knobs of horizontal system. Following the exercise to familiarize with the

buttons, knobs, and status bar.

Figure 1-10

The horizontal system

1. Turn the knob and notice the change in the status bar.

The horizontal knob changes the sweep speed in a 1-2-5 step sequence, and displays the value at the upper-left of the display. The time base ranges of the DS1000B series is from 5 ns/div* to 50 s/div.

* NOTE: The speed of horizontal scan varies by different models.

User‟s Guide for DS1000B series

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1-13

Horizontal offset back to 0 shortcut key

Press the knob to set the horizontal offset to 0 as a shortcut key, this is especially helpful when the trigger point is far out of the screen and want it to get back to the screen center immediately.

Horizontal position control

Trig-Offset: Denotes the real position of the trigger point relative to the

midpoint of the memory. In this setting, the trigger position will be changed horizontally when you turning the knob.

2. The horizontal knob moves displayed signal horizontally

on the waveform window.

The horizontal knob adjusts the trigger offset of signal, when turning the knob; you can note that the waveform moves horizontally in conjunction with the knob.

3. Press the MENU key to display the Time menu.

You can enter or exit the Delayed Scan mode, toggle the display mode among Y-T, X-Y or ROLL mode, and turn the horizontal knob to adjust trigger offset.

User‟s Guide for DS1000B Series

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1-14

Turn the knob to change the trigger level value and press the

knob to set trigger level back to 0 as a shortcut key.

To Trigger the Oscilloscope

Figure 1-11 shows the TRIGGER control: MODE, MENU, FORCE, 50% and a

knob. Following the exercises to familiarize with the buttons, trigger level

knob and status bar.

Figure 1-11

The trigger control window

Three kinds of trigger modes can be switched among Auto, Normal and Single with pressing MODE button.

1. Use knob to change the settings of trigger level.

Turning the knob, you will observe a nacarat trigger line, a trigger sign and a trigger level value displaying pane on the screen moving up and down. When you stop turning the knob, the trigger line, trigger sign and trigger value pane will disappear in five seconds. During the same time of moving the trigger line, you will notice that the displayed value of trigger level has been changed on the screen.

User‟s Guide for DS1000B series

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1-15

2. Change the trigger setup and notice these changes in the status bar.

Press MENU button in the Trigger control area. A soft button menu appears on the display showing the trigger setting choices as shown in Figure 1-12.

· Press No.1 menu operating button to choose trigger mode as Edge.

· Press No.2 menu operating button to choose trigger source as CH1.

· Press No.3 menu operating button to choose slope type as .

· Press No.4 menu operating button to choose sweep mode as Auto.

· Press No.5 menu operating button to enter secondary menu of

Trigger Set Up, so as to perform a further configuration about

Trigger Coupling modes, trigger sensitivities, and trigger holdoff

Figure 1-12 time.

NOTE: The change of trigger mode, source selection and slope type will lead to the change of the status bar on the upper-right of the screen.

3. Press 50%

Press the 50% button to set the trigger level to the center of the signal‟s amplitude.

4. Press FORCE

Start an acquisition even if no valid trigger signal has been found, usually used in

“Normal” or “Single” trigger mode. This button has no effect if the acquisition is

already stopped.

User‟s Guide for DS1000B Series

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1-16

Key point:

Holdoff: A time interval before the oscilloscope responses to next trigger signal. During this Holdoff period, the trigger system becomes “blind” to trigger signals. This function helps to view complex signals such as an AM waveform. Press Holdoff button to activate ( ) knob, then turn it to adjust Holdoff time.

User‟s Guide for DS1000B series

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1-17

To Understand the Quick Function

The following figure shows that there are two buttons in the QUICK function area. The exercise below will gradually conduct you to familiarize the settings of the buttons.

Figure 1-13

The quick function menu

1. Firstly, you need to press the button Measure form the main MENU, then press

the button associated with QuickMea, you will navigate into the quick measurement setting menu. Three measuring items can be pre-set from the 22 measurements. Now, Press Measure button from the quick control area to enter quick measurement, three measuring parameters pre-defined will be displayed on the screen.

2. Use Print button to perform a quick print, you can set screen quantities need to

be printed or store datum to the USB disk.

User‟s Guide for DS1000B Series

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2-1

Chapter 2 : Operating Your Oscilloscope

By now, a user should understand the VERTICAL, HORIZONTAL and TRIGGER control systems and know how to determine the system setup from the status bar of a DS1000B series digital oscilloscope. This chapter will go through all groups of front-panel buttons, knobs and menus; and further the knowledge of the operation by hints in this guide. It is strongly recommended to perform all of the following exercises to get the most of the powerful measurement capabilities of the oscilloscope.

The following topics will be elaborated in this chapter:

 To set up the vertical system ( CH1, CH2, CH3, CH4, MATH, REF ,

Vertical , Vertical )

 To set up the horizontal system (MENU, Horizontal ,

Horizontal )

 To set up the trigger system (MODE, , MENU, FORCE, 50%)

 To set up the sampling system (Acquire)

 To set up the display system (Display)

 To save and recall waveforms or setups

(Storage)

 To set up utility (Utility)

 To measure automatically (Measure)

 To measure with cursors (Cursor)

 To use run control buttons (Auto, Run/Stop, Single)

User‟s Guide for DS1000B Series

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2-2

Menu

Settings

Comments

Coupling

AC

DC

GND

Restraint the DC component of the input signal and passes the AC component with frequency higher than 5Hz. Passes both AC and DC components of the input signal Disconnect the input signal.

BW Limit

ON

OFF

Limit the channel‟s bandwidth to 20MHz to reduce display noise. Get full bandwidth.

Probe

0.001X . .

1000X

Set up the oscilloscope‟s probe attenuation factor to make the vertical scale readout correct.

Digital filter

Set up digital filter (See table 2-4).

1/2

Go to the next menu page (The followings are the same, no more explanation).

To Set up the Vertical System

To Set the Channels

Each channel of DS1000B series digital oscilloscope has an independent operation menu and it will pop-up after pressing any button among CH1, CH2, CH3, CH4. The settings of all items in the menu are shown in the table below.

Figure 2-1 Table 2-1 The Channel menu (Page 1/2)

User‟s Guide for DS1000B series

2-3

Menu

Settings

Comments

2/2

Back to the previous menu page (The followings are the same, no more explanation).

Volts/Div

Coarse

Fine

To change the Volts/Dive settings in a 1-2-5 sequence from 2mv/div to 10v/div with knob. To change the Volts/Dive settings in small steps between the coarse settings.

Invert

ON OFF

Turn on the invert function. Restore to original display of the waveform.

Unit

V/ A/ W/ U

Set “V”, “A”, “W” or “U” as the unit of vertical channel.

Figure 2-2 Table 2-2 The Channel menu (Page 2/2)

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User‟s Guide for DS1000B Series

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2-4

DC coupling

Setup

DC coupling Status symbol

To set up channel coupling

To use Channel 1 as an example, input a square wave signal with DC shift. Press CH1→Coupling→DC to set “DC” coupling. Both the AC component and the DC component of the input signal will pass.

The waveform is displayed as Figure 2-3:

Figure 2-3

Waveform display

Press CH1→Coupling→AC, to set “AC” coupling. It will pass AC component of the input signal with frequency higher than 5 Hz and restraint DC component of the input signal.

The waveform is displayed as Figure 2-4:

User‟s Guide for DS1000B series

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2-5

GND coupling Status symbol

GND coupling

Setup

AC coupling Setup

AC coupling Status symbol

Figure 2-4

Waveform display

Press CH1→Coupling→GND, to set “GND” coupling, it disconnects the input signal.

The screen displays as Figure 2-5:

Figure 2-5

Screen display

User‟s Guide for DS1000B Series

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2-6

Turn off the BW limit

To set up the channel bandwidth limit

Take Channel 1 for an example, input a signal containing high frequency component.

Press CH1→BW Limit→OFF, to set up bandwidth limit to “OFF” status. The oscilloscope is set to full bandwidth and passing the high frequency component in the signal.

The waveform is displayed as Figure 2-6:

Figure 2-6

Turn off the BW limit

Press CH1→BW Limit→ON, to set up bandwidth limit to “ON” status. It will restraint the frequency component higher than 20MHz.

The waveform is displayed as Figure 2-7:

User‟s Guide for DS1000B series

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2-7

20MHz BW limit

Mark of BW limit

Figure 2-7

Turn on the BW limit

User‟s Guide for DS1000B Series

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2-8

Probe attenuation factors

Corresponding settings

1:1000，1:100，1:10

0.001X，0.01X，0.1X

1:1，2:1，5:1

1X，2X，5X

10:1，20:1，50:1

10X，20X，50X

100:1，200:1，500:1

100X，200X，500X

1000:1

1000X

Vertical volt/div.

Probe attenuation

To set up Probe Attenuation

The oscilloscope allows selecting the attenuation factor for the probe. The attenuation factor changes the vertical scaling of the oscilloscope so that the measurement results reflect the actual voltage levels at the probe tip. To change (or check) the probe attenuation setting, press the CH1, CH2, CH3 or CH4 button (according to which channel is in using). Toggle the Probe soft button to match the attenuation factor of the probe. This setting remains in effect until changed again.

Figure 2-8 shows an example for using a 1000:1 probe and its attenuation factor.

Table 2-3 Probe setting

Figure 2-8

Using a 1000:1 probe

User‟s Guide for DS1000B series

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2-9

Coarse/Fine Shortcut key:

To change Coarse/Fine setting, not only by menu operation but also by pressing vertical knob.

Fine adjustment data

Fine adjustment

To change the Volts/Div settings

The Volts/Div control has Coarse or Fine configuration. The Vertical Sensitivity is

2mv/div - 10V/div.

Coarse: It is the default setting of Volts/Div in a 1-2-5-step sequence from 2mV/div,

5mV/div, 10mV/div, to 10 V/div.

Fine: This setting changes the vertical scale to small steps between the coarse

settings. It will be helpful to adjust the waveform in smooth steps.

Figure 2-9

Fine configurations

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Invert off

Invert on

To invert a waveform

Invert turns the displayed waveform 180 degrees with respect to the ground level. When the oscilloscope is triggered on the inverted signal, the trigger is also inverted.

Figure 2-10 and Figure 2-11 show the changes before and after the inversion respectively.

Figure 2-10

The waveform before inversion

Figure 2-11

The waveform after inversion

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Turn off digital filter

Turn on digital filter

To configure the Digital Filter

Press CH1→ Digital filter, it will display the digital filter menu. Turn the digital filter on or off as shown in the following figure. Turn ( ) knob to adjust the upper and lower limit of frequency after turning on the digital filter.

Figure 2-12

Turn off digital filter

Figure 2-13

Turn on digital filter

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Menu

Settings

Comments

Digital Filter

On Off

Turn on the digital filter. Turn off the digital filter.

Filter Type

Setup as LPF (Low Pass Filter). Setup as HPF (High Pass Filter). Setup as BPF (Band Pass Filter). Setup as BRF (Band Reject Filter).

Upper limit <frequency>

Turn ( ) knob to set upper limit high limit.

Lower limit <frequency>

Turn ( ) knob to set lower limit.

Back to higher level menu (The followings are the same, no more explanation).

Figure 2-14 Table 2-4 The Filter menu

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Menu

Settings

Comments

Operate

A+B A-B A× B FFT

Add source A and source B. Subtract source B from source A. Multiply source B by source A. Fast Fourier Transform.

Source A

CH1, CH2, CH3, CH4

Define CH1, CH2, CH3 or CH4 as source A.

Source B

CH1, CH2, CH3, CH4

Define CH1, CH2, CH3 or CH4 as source B.

Invert

ON OFF

Invert the MATH waveform. Restore to original waveform display.

Math Scale

To Use Math Functions

The mathematic functions include “add”, “subtract”, “multiply” and “FFT” for Channel

1, Channel 2, Channel3 and Channel4. The mathematic result can be measured by the grid and the cursor.

Figure 2-15

The Math function

Figure 2-16 Table 2-5 The Math menu (Page 1/2)

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Menu

Settings

Comments

The multifunctional knob （） adjusts the vertical position of the Math waveform.

The multifunctional knob （） adjusts the vertical amplitude of the Math waveform.

Figure 2-17 Table 2-6 The Math menu (Page 2/2)

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Menu

Settings

Comments

Operate

A+B A-B A× B FFT

Add source A to source B. Subtract source B from source A. Multiply source B by source A. Fast Fourier Transform.

Source

CH1, CH2, CH3, CH4

Define CH1, CH2, CH3 or CH4 as FFT source.

Window

Rectangle Hanning Hamming Blackman

Select window for FFT. Display

Split Full screen

Display FFT waveform on half screen.

Display FFT waveform on full screen.

Using FFT function

The FFT (Fast Fourier Transform) process converts a time-domain signal into its frequency components mathematically. FFT waveforms are useful in the following applications:

 Measuring harmonic content and distortion in systems  Characterizing noise in DC power supplies  Analyzing vibration

Figure 2-18 Table 2-7 The FFT menu (Page 1/2)

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Key points for FFT

1. Signals that have a DC component or offset can cause incorrect FFT waveform component magnitude values. To minimize the DC component, choose AC Coupling on the source signal.

2. To reduce random noise and aliases components in repetitive or single-shot events, set the oscilloscope acquisition mode to Average.

3. To display FFT waveforms with a large dynamic range, use the dBVrms scale. The dBVrms scale displays component magnitudes using a log scale.

Menu

Settings

comments

The multifunctional knob（） adjusts the vertical position of Math

The multifunctional knob（） adjusts the vertical amplitude of Math

Vertical scale

Vrms dBVrms

Set Vrms as vertical scale unit Set dBVrms as vertical scale unit

Figure 2-19 Table 2-8 The FFT menu (Page 2/2)

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Window

Features

Best for measuring

Rectangle

Best frequency resolution and worst amplitude accuracy.

This is essentially the same as no window.

Transients or bursts, the signal levels before and after the event are nearly equal. Equal-amplitude sine waves with fixed frequencies. Broadband random noise with a relatively slow varying spectrum.

Hanning

Hamming

Better frequency resolution, poorer amplitude accuracy than Rectangular.

Hamming has slightly better frequency resolution than Hanning.

Sine, periodic, and narrow-band random noise.

Transients or bursts where the signal levels before and after the events are significantly different.

Blackman

Best amplitude accuracy, worst frequency resolution.

Single frequency waveforms, to find higher order harmonics.

Key points: FFT Resolution: The FFT resolution is the quotient between sampling rate and

the number of FFT points. With a fixed FFT points, the lower sampling rate, the better the resolution.

Nyquist Frequency

The highest frequency that any real-time digitizing oscilloscope can acquire

without aliasing. It‟s normally half of the sample rate. This frequency is called

the Nyquist frequency. Frequency above the Nyquist frequency will be under sampled, causing a situation known as aliasing.

Selecting an FFT Window

DS1000B series oscilloscope provides four FFT windows. Each window is a trade-off between frequency resolution and amplitude accuracy. It depends on the desired measurement and the source signals characteristics to determine the window to use. Use the following guidelines to select the best window.

Table 2-9 FFT Windows

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Menu

Settings

Comments

Channel

REF 1 REF 2 REF 3 REF 4

Turn on or turn off one to four REF channels

Current

REF 1 REF 2 REF 3

REF 4

Select the current REF channel which is optional from REF1 to REF4. (According to the available channel, for example, if only REF1 is turned on, then only REF1 can be chosen as the current channel.)

Source

CH1, CH2, CH3, CH4, MATH

Select CH1, CH2, CH3,CH4,MATH as the source channel whose input waveforms will be compared with the reference waveforms.

location

Internal external

Select memory location in scope. Select memory location out scope.

To Use REF Function

Reference Waveforms are saved waveforms to be selected for display. The reference function will be available after saving the selected waveform to non-volatile memory. During the actual measurement process, you can use DS1000B series digital oscilloscope to observe the waveforms of correlative components. It will help you to determine the cause of malfunction when you compare the measured waveform with the reference waveform. The method is particularly useful under the circumstance of having reference waveforms.

Press REF button to display the Reference waveform menu.

Figure 2-20 Table 2-10 REF menu when using internal memory (Page 1/3)

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Menu

Settings

Comments

Save

Save REF waveform to outer memory location.

The multifunctional knob （） adjusts the vertical position of REF

The multifunctional knob （） adjusts the vertical amplitude of REF

Menu

settings

comments

Reset

Reset REF waveform.

Imp./Exp.

Go to import menu (see table 2-14).

Menu

settings

comments

Reset

Reset REF waveform. Import

Go to import menu (see table 2-18).

Figure 2-21 Table 2-11 REF menu when using internal/external memory (Page 2/3)

Figure 2-22 Table 2-12 REF menu when using internal memory (Page 3/3)

Figure 2-23 Table 2-13 REF menu when using external memory (Page 3/3)

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Menu

Settings

Comments

Explorer

Path Directory File

Switch to Path, directory or file.

Export

Export the REF file from internal memory to external memory (see table 2-15).

Import

Import the REF file to internal memory.

Delete File

Delete file.

To Import and Export

Press REF →Imp./Exp. and go to the following menu.

Figure 2-24 Table 2-14 The Imp./Exp. Menu

The screen of Import and Export as follows

User‟s Guide for DS1000B series

Figure 2-25

Import of export the figure

2-21

Menu

Settings

Comments

Move the input focus point of files‟ name up and down.

Move the focus point to next location.

To delete chosen letter.

Save

Execute the operation.

Export

Press REF→Imp./Exp.→ Export and go to the following menu.

Figure 2-26 Table 2-15 The Export menu

The screen of Export is as follows.

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Figure 2-27

Figure export

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Menu

Settings

Comments

Explorer

Path Directory File

Switch among Path, Directory and File.

New File (Folder)

Set up new file in Path and File. Set up new folder in directory.

Delete File (Folder)

Delete chosen file (Folder).

Save to External Memory

Press REF→Save and navigate to the following menu.

Figure 2-28 Table 2-16 The Save menu

The screen of Save is as follows:

Figure 2-29

The figure of save

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Menu

Settings

Comments

Move the focus point of file name up and down.

Move the focus point to the next location.

To delete chosen letter.

Save

Execute the saving operation.

Switch Capital on/off

Switch Chinese/English

The File name key in pane

New File (or New Folder)

Press REF→Save→New File (or New Folder) and go to the following menu.

Figure 2-30 Table 2-17 The New File menu

The screen of File Name input is as follows:

Figure 2-31

File Name inputting interface

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Menu

Settings

Comments

Explorer

Path Directory File

Switch among Path, Directory and File.

Import

Import the REF file into internal memory.

Import

Press REF→Import and go to the following menu.

Figure 2-32 Table 2-18 The Import menu

The screen of Import is as follows:

Figure 2-33

The figure of import

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To Display a Reference Waveform

Figure 2-34

Reference waveform display

 Push REF button to show the reference waveform menu.  Continue Pressing button No.1 to turn on or turn off one to four reference

channels.

 Select a REF channel as the current reference channel from the channels

activated by step 2.

 Continue pressing button No.3 to select a signal source channel from CH1, CH2,

CH3, CH4 and MATH.(If the MATH is not available ,press MATH button to activate MATH)

 Turn vertical knob , multifunctional knob , vertical knob

to adjust the waveform (derived from step 4) to a suitable position

and expand or express the waveform horizontally to a proper situation.

 Access page 1 of REF menu, Press button No.4 to select the saving location of

REF waveform.

 Access page 2 of REF menu, and then press button No.2 to save the current

waveform on the screen to internal or external memory as a reference waveform.

NOTE:

The Reference function is not available in X-Y mode.

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Channel Mode

Settings

Status Indicator

Channel 1 (CH1)

ON Selected OFF

CH1 (yellow letters with black background)

CH1 (black letters with yellow background) No indicator

Channel 2 (CH2)

ON Selected OFF

CH2 (sky blue letters with black background)

CH2 (black letters with blue background) No indicator

Channel 3(CH3)

ON Selected OFF

CH3（pink letters with black background）

CH3（black letters with pink background） No indicator

Channel4(CH4)

ON Selected OFF

CH4（black letter with navy blue background）

CH4（navy blue letter with black background） No indicator

MATH

ON Selected OFF

Math (black letter)

Math (purple letter)

No indicator

Turn on or off Channels

CH1, CH2, CH3, CH4 and Ext. trigger channels are input channels. All functions applied will base on operating the instrument with channels, so MATH and REF can be regarded as relatively isolated channels.

Press the corresponding button (for example: CH1, CH2, CH3, CH4, MATH, REF) on the front panel to turn the channels on. The backlight indicates the channel is currently active. When a channel is currently selected, press the button with respect to the channel again will turn it off and the backlight goes off. When a channel is not currently selected, press the button associated with the channel will select the channel as the current channel.

Table 2-19 The Channels menu

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To Apply the Vertical Knobs

Use the vertical controls to display signal waveforms by adjusting the vertical

knob, and the knob, and setting the input parameters.

1. Using vertical knob. The vertical control changes the vertical position of signal waveforms in all channels (excluding MATH and REF). The resolution changes

according to the vertical level set. Pressing this knob will clear the channel‟s

vertical offset to zero.

2. Using vertical knob. The vertical control changes the vertical sensitivity of signal waveforms in all channels (excluding MATH and REF). If the Volts/Div is set to

“Coarse”, the waveform scales in a 1-2-5 step sequence from 2 mV ,5mv,10mv…to 10 V. If the Volts/Div is set to “Fine”, it scales to small steps

between the coarse settings. Turn the knob clockwise to decrease the vertical scale, turn the knob counter-clockwise to increase the vertical Volts/Div setting. You can toggle between “coarse” and “Fine” setting through pressing the

knob.

3. Channels(excluding Math and REF ） would be adjustable by the

vertical and only when they are selected.

4. During the vertical positioning, a position message is displayed on the left bottom of the screen, in the same color along with the corresponding channel. The unit is V (Volts).

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To Set up the Horizontal System

The oscilloscope shows the time per division in the scale readout. With the horizontal control buttons and knobs, you can change the horizontal time base and trigger offset which indicates the horizontal location of trigger in the memory.

The horizontal controls change the horizontal scale and position of waveforms. The horizontal center of the screen is the time reference for waveforms. Changing the horizontal scale causes the waveform to be expanded or compressed with respect to the screen center.

Horizontal position changes the displayed waveform position, relative to the trigger point.

The Horizontal Knobs

: The horizontal knob adjusts the horizontal position of

all channel (including Math) waveforms. The resolution of this control varies with the time base. Pressing this button clears the trigger offset and moves the trigger point to the horizontal center of the screen.

: Use to select the horizontal time/div (scale factor) for the

main or the Delayed Scan time base. When Delayed Scan is enabled, it changes the width of the window zone by changing the Delayed Scan time base.

Horizontal Menu.

Press the horizontal MENU button to display the horizontal menu. The settings of this menu are listed in the following table.

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⑤

Menu

Settings

Comments

Delayed

ON OFF

Turn on the Delayed Scan mode. Turn off the Delayed Scan mode.

Time Base

Y-T

X-Y

Roll

Show the relative relation between vertical voltage and horizontal time. Show CH1 amplitude value at X axis; show CH2 amplitude value at Y axis. In Roll Mode, the waveform display updates from right to left.

Trig-offset Reset

Adjust the trigger position to the center of the memory.

Figure 2-35 Table 2-20 The Horizontal menu

① ② ③ ④

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Figure 2-36

Status bar and mark for Horizontal control

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Key Points

Y-T: The conventional oscilloscope display format. It shows that the voltage of a

waveform record (on the vertical axis) varies along with time (on the horizontal axis).

X-Y: XY format displays channel 1 in the horizontal axis and channel 2 in the

vertical axis.

Roll Mode: In this mode, the waveform display rolls from right to left. No trigger

or horizontal offset control of waveforms is available during Roll Mode, and it‟s only available when set to 500ms/div or slower.

Slow Scan Mode: This mode is available when the horizontal time base is set to

50ms or slower. In this mode, the oscilloscope acquires sufficient data for the left part to the trigger point, then wait for trigger, when trigger occurs, it continue to draw the rest part from the trigger point to the end of the right side. When choosing this mode to view low frequency signals, it is recommended that the channel coupling be set as DC.

Time/Div: Horizontal scale. If the waveform acquisition is stopped (using the

Run/Stop button), the Time/Div control expands or compresses the waveform.

Marks Indicator

① The horizontal time base (main time base).

② The position of the current waveform window in the memory.

③ The trigger position in the memory.

④ The trigger position in the current waveform windows.

⑤ The trigger‟s horizontal offset with respect to the center of the window.

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Waveform to be horizontally expanded

Expanded waveform in horizontal

Time base of Delayed Scan

Delayed Scan:

The Delayed Scan is a magnified portion of the main waveform window. Use Delayed Scan to locate and horizontally expand part of the main waveform window for a more detailed (higher horizontal resolution) analysis of signal. The Delayed Scan time base setting cannot be set slower than the Main time base setting.

Figure 2-37

Delayed Scan windows

The following steps show you how to use Delayed Scan.

1. Connect a signal to the oscilloscope and obtain a stable display.

2. Press horizontal MENU→Delayed→ON or press horizontal knob to enter Delayed Scan mode.

The screen will be split into two parts. The upper half displays the main waveform window and the lower half displays an expanded portion of the main waveform window. This expanded portion of the main window is called the Delayed Scan window. Two blocks shaded at the upper half; the un-shaded portion is expanded in the lower half. The horizontal and knobs control the size and position of the Delayed Scan. The value at top of the screen is the main time base and the value on the center bottom means the Delayed Scan time base.

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Delayed Scan Shortcut Key: Delayed Scan function can be activated not only by menu but also by pressing horizontal knob.

 Use the horizontal knob to change the position of the expanded

portion.

 Turn the horizontal knob to adjust the Delayed Scan resolution.

 To change the main time base, turn off the Delayed Scan mode.

 Since both the main and Delayed Scan waveform windows are displayed, each

waveform window occupies a half of the original waveform window. They are both compressed vertically to a half size, the same as the vertical divisions.

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X-Y Format

This format is useful for studying phase relationships between two signals.

Channel 1 in the horizontal axis(X) and channel 2 in the vertical axis(Y), the oscilloscope uses a none-trigger acquisition mode, data is displayed as dots.

Figure 2-38

X-Y display format NOTE: The X-Y display format is only suitable for CH1, CH2, CH3; CH4.In the normal condition, the oscilloscope can acquire waveforms with any sampling rate. You can also adjust the sampling rate and the vertical scaling of the channel when you use the X-Y display format. You can reduce the sampling rate so as to display a better Lissajous figure.

The following modes or functions will not work in X-Y format.

 Cursor Measurements（excluding manual mode ）

 REF and MATH Operations

 Delayed Scan Mode

 Vector Display Mode

 Horizontal knob

 Trigger Controls(excluding MODE button)

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To Set up the Trigger System

The trigger determines when the oscilloscope starts to acquire data and display a waveform. When a trigger is set up properly, it can convert unstable displays or blank screens into meaningful waveforms.

When the oscilloscope starts to acquire a waveform, it collects enough data so that it can draw the waveform to the left of the trigger point. The oscilloscope continues to acquire data while waiting for the trigger condition to occur. After it detects a trigger, the oscilloscope continues to acquire enough data so that it can draw the waveform to the right of the trigger point.

The trigger control area on the front panel includes a knob and four buttons: MODE ： With the button, three kinds of trigger mode can be toggled among Auto,

Normal, and Single.

: Use the knob to adjust the trigger level; press the knob to reset the

trigger level to zero.

50%: Specify the trigger level to the vertical midpoint between the peaks of

the trigger signal by pressing the instant execute button.

FORCE: Force to create a trigger signal and the function is mainly used in

Normal and Single mode

MENU: The button that activates the trigger controls menu.

Figure 2-39

Trigger controls

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Trigger Modes

The oscilloscope provides five trigger modes: Edge, Pulse, Video, Pattern and Alternative.

Edge: An edge trigger occurs when the trigger input passes through a specified

voltage level in the specified slope direction.

Pulse: Use this trigger mode to catch pulses with certain pulse width.

Video: Use video trigger mode on fields or lines for standard video signals.

Pattern: Recognising trigger by searching specified code.

Alternative: Trigger on non-synchronized signals.

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Menu

Settings

Comments

Source

CH1 CH2 CH3 CH4 EXT EXT/5

AC Line

Select CH1 as trigger source. Select CH2 as trigger source. Select CH3 as trigger source. Select CH4 as trigger source. Select EXT TRIG as trigger source. Select attenuated EXT TRIG/5 as trigger source. Select power line as trigger source.

Slope

Rising edge Falling edge

Rising &

Falling edges

Trigger on rising edge. Trigger on falling edge. Trigger on both ring & falling edge.

Sweep

Auto

Normal

Single

Acquire waveform even no trigger occurred. Acquire waveform when trigger occurred. When trigger occurs, acquire one waveform then stop.

Set up

To go to Set Up menu, see table 2-36

Edge Trigger

An edge trigger determines whether the oscilloscope finds the trigger point on the rising or the falling edge of a signal. Select Edge trigger Mode to trigger on Rising edge, falling edge or rising & falling edge.

Figure 2-40 Table 2-21 The Trigger menu

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Menu

Settings

Comments

Source

CH1 CH2 CH3 CH4 EXT

EXT/5

Select CH1 as trigger source. Select CH2 as trigger source. Select CH3 as trigger source Select CH4 as trigger source l Select EXT TRIG as trigger source Select attenuated EXT TRIG/5 as trigger source.

When

(+Pulse width more than)

(+Pulse width less than)

(+Pulse width equal to)

(-Pulse width less than)

(-Pulse width more than)

(-Pulse width equal to)

To select pulse condition.

Settings

<Width>

To set required pulse width.

Menu

Settings

Comments

Sweep

Auto Normal Single

Acquire waveform even no trigger occurred. Acquire waveform when trigger occurred. When trigger occurs, acquire one waveform and then stop.

Set Up

To go to Set Up menu, see table 2-36.

Pulse Width Trigger

Pulse trigger occurs according to the width of pulse. The abnormal signals can be detected through setting up the pulse width condition.

Figure 2-41 Table 2-22 The Trigger menu (Page 1/2)

Figure 2-42 Table 2-23 The Trigger menu (Page 2/2)

Note: The Pulse width adjust range is 20ns ~ 10s. When the condition is met, it will trigger and acquire the waveform.

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Menu

Settings

Comments

Source

CH1 CH2 CH3 CH4 EXT EXT/5

Selects CH1 as trigger source. Selects CH2 as trigger source. Selects CH3 as trigger source. Selects CH4 as trigger source. Select EXT TRIG as trigger source. Select EXT TRIG/5 as trigger source.

Polarity

Normal polarity

Inverted polarity

Triggers on positive going sync pulses. Triggers on negative going sync pulses.

Sync

All Lines Line Num Odd field Even field

Trigger on all lines. Trigger on a specified line. Select to trigger on odd field. Select to trigger on even field.

Video Trigger

Choose video trigger to trigger on fields or lines of NTSC, PAL, or SECAM standard video signals. Trigger coupling preset to DC.

Figure 2-43 Table 2-24 The Video Trigger menu (Page 1/2)

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Menu

Settings

Comments

Line Num

< Line sync >

Select the specified line number for sync.

Standard

PAL/SECM NTSC

Select Video standard.

Sweep

Auto

Normal

Single

Force the oscilloscope to trigger in the absence of trigger condition. Lets oscilloscope to trigger in the suitable trigger condition. Lets oscilloscope to trigger one time in the suitable trigger condition, and then stop.

Set Up

To go to set up menu, see Table 2-36.

Menu

Settings

Comments

Standard

PAL/SECAM NTSC

Select Video standard.

Sweep

Auto

Normal

Single

Force the oscilloscope to trigger in the absence of trigger condition. Lets oscilloscope to trigger in the suitable trigger condition. Lets oscilloscope to trigger one time in the suitable trigger condition, and then stop.

Set Up

To go to set up menu, see Table 2-36.

Figure 2-44 Table 2-25 The Video Trigger menu (Page 2/2 when Sync is set as the

specified line)

Figure 2-45 Table 2-26 The Video Trigger menu (Page 2/2 When the Sync is set as

All lines, Odd field and Even field)

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Key points:

Sync Pulses: When Normal Polarity is selected, the trigger always occurs on

negative-going sync pulses. If the video signal has positive-going sync pulses, use the inverted Polarity.

Figure 2-46

Video Trigger: Line Synchronization

Figure 2-47

Video Trigger: Field Synchronization

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Menu

Settings

Comments

Channel

CH1 CH2 CH3 CH4 EXT EXT/5

To select CH1 as trigger source To select CH2 as trigger source To select CH3 as trigger source To select CH4 as trigger source To set EXT as trigger source To set EXT/5 as trigger source to expand

trigger level range.

Code

H

L

X

To set the code of the selected channel as logic high value. To set the code of the selected channel as logic low value. To set the code of the selected channel as neglect value. To specify trigger to the rising edge of signal To specify trigger to the falling edge of signal

Sweep

Auto

Normal Single

Acquire waveform even no trigger occurred. Acquire waveform when trigger occurred. When trigger occurs, acquire one waveform then stop.

Set up

To go to set up menu, see Table 2-36.

Pattern Trigger

Pattern trigger recognises the trigger condition through inspecting the code preset which means the logic values or the logic combination.Every channel has its own logic value,such as,logic high value,logic low value,and the neglect value.

Figure 2-48 Table 2-27 The Pattern Trigger menu

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Figure 2-49

Pattern trigger: set code as falling edge

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Menu

Settings

Comments

Alt Channel

CH1-CH2 CH1-CH3 CH1-CH4 CH2-CH3 CH2-CH4

CH3-CH4

To specify the current alternative trigger channels as any two channels selected form CH1, CH2, CH3, CH4.

select

CH1, CH2 CH3, CH4

To select vertical channel among CH1, CH2, CH3, CH4 in alternative trigger mode so as to configure further settings.

Type

Edge Pulse Video

Choose trigger type for the current channel.

Menu

settings

comments

Edge type

（ rising

edge）

（ falling

edge）

（ both

rising edge and falling edge）

Trigger on rising edge.

Trigger on falling edge.

Trigger on both ring & falling edge. Set up

To go to set up menu. See Table 2-36

Alternative Trigger

When alternative trigger is on, the trigger sources come from two vertical channels. This mode can be used to observe two non-related signals. You can choose two different trigger modes for the two vertical channels. The options are as follows: Edge, Pulse and video. The info of the trigger level of the two channels will be displayed on the upper-right of the screen.

Figure 2-50 Table 2-28 The Alternative trigger menu (Page 1/2 Trigger Type: Edge)

Figure 2-51 Table 2-29 The Alternative trigger menu (Page 2/2 Trigger Type: Edge)

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Menu

Settings

Comments

Alt Channel

CH1-CH2 CH1-CH3 CH1-CH4 CH2-CH3 CH2-CH4 CH3-CH4

To specify the current alternative trigger channels as any two channels selected form CH1, CH2, CH3, CH4.

select

CH1, CH2, CH3, CH4

To select vertical channel among CH1, CH2, CH3, CH4 in alternative trigger mode so as to configure further settings.

type

Edge trigger Pulse trigger Video trigger

Select trigger type for current channel.

Menu

Settings

Comments

When

(+Pulse width less than)

(+Pulse width more than)

(+Pulse width equal to)

(-Pulse width less than)

(-Pulse width more

than)

(-Pulse width equal to)

To set trigger conditions.

Settings

To set up width value of the pulse.

Set Up

To go to set up menu. See Table 2-36.

Figure 2-52 Table 2-30 The Alternative trigger menu (Page 1/2 Trigger Type: Pulse)

Figure 2-53 Ta ble 2-31 The Alternative trigger menu (Page 2/2 Trigger Type: Pulse)

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Menu

Settings

Comments

Alt Channel

CH1-CH2 CH1-CH3 CH1-CH4 CH2-CH3 CH2-CH4 CH3-CH4

To specify the current alternative trigger channels as any two channels selected form CH1, CH2, CH3, CH4.

select

CH1, CH2, CH3, CH4

To select vertical channel among CH1, CH2, CH3, CH4 in alternative trigger mode so as to configure further settings.

Type

Edge trigger Pulse trigger Video trigger

To select trigger type for current channel.

Menu

Settings

Comments

Polarity

Normal polarity

Inverted polarity

Trigger on negative going sync pulses. Trigger on positive going sync pulses.

Sync ALL lines

Line Num

Trigger on all lines. Trigger on a specified line.

Odd field Even field

Select to trigger on odd field or even field.

Standard

PAL/SECM NTSC

Select Video standard. Set Up

To go to set up menu, see Table 2-36.

Figure 2-54 Table 2-32 The Alternative trigger menu

(Page 1/2 Trigger Type: Video)

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Figure 2-55 Table 2-33 The Alternative trigger menu

(Page 2/2 Trigger Mode: Video)

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Menu

Settings

Comments

Coupling

DC AC LF Reject

Allow all signals pass. Block DC signals. Reject DC and low frequency signals.

HF reject

On

off

Passes high frequency component. Blocks high frequency component, passes low frequency component.

Sensitivity

Set trigger sensitivity.

Holdoff

Set time slot before another trigger event.

Trigger Settings

Set up different trigger settings according to different trigger modes. When in the mode of Video and Alternative, only trigger sensitivity, trigger holdoff time, holdoff reset is adjustable.

Figure 2-56 Table 2-34 The Trigger Set Up menu

(Page 1/2 Settings for trigger coupling, trigger sensitivity and Holdoff)

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Menu

Settings

comments

Holdoff Reset Holdoff time to 100ns.

Menu

Settings

Comments

Sensitivity

Set trigger sensitivity.

Holdoff

Set time slot before another trigger event.

Holdoff Reset

Reset Holdoff time to 100ns.

Figure 2-57 Table 2-35 Restore the trigger holdoff time to default (page 2/2)

When Settings for “sensitivity” and “Hold off” in the Video and Alternative trigger mode, the menu is shown below.

Figure 2-58 Table 2-36 The Trigger Set Up menu

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Trigger site Trigger holdoff

Time of holdoff

Trigger Holdoff

You can use trigger Holdoff to stabilize a complex waveform, such as a pulse sequence. Holdoff time is the oscilloscope‟s waiting period before starting a new trigger. During Holdoff, oscilloscope will not trigger until Holdoff ends. For instance: To trigger on the first pulse on a group of them, users can set the holdoff time to Pulse cluster width.

Figure 2-59

Trigger Holdoff

To use trigger Holdoff:

1. Press the MENU button of the trigger control system to display the Menu.

2. Press Set Up key to display trigger set up menu.

3. Turn the multi function knob ( ) to change Holdoff time until waveform is stable.

4. Press Trigger Hold off reset to reset the Holdoff time to its default value.

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Trigger Key points

1. Trigger Source:

Trigger occurs from several sources: Input channels (CH1, CH2, CH3, CH4), AC Line, Ext, Ext/5.

 CH1, CH2, CH3, CH4:

It is the most commonly used trigger source. The channel works when it is selected as a trigger source whatever displayed.

 Ext Trig:

The instrument can be triggered from an external source while acquiring data from CH1, CH2, CH3, and CH4. For example, be a trigger source with an external clock or a signal from another part of the test circuit. The Ext, Ext/5 trigger sources use an external trigger signal connected to the EXT TRIG connector. Ext uses the signal directly; it has a trigger level range of -0.6 V to +0.6 V. The EXT/5 trigger source attenuates the signal by 5X, which extends the trigger level range to -3V to +3 V allowing the oscilloscope to trigger on a larger signal.

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 AC Line:

AC power can be used to display signals related to the power line frequency, such as lighting equipment and power supply devices. The oscilloscope gets triggered on its AC power input, but an AC trigger signal is not required. When AC Line is selected as a trigger source, the oscilloscope automatically set coupling to DC, set trigger level to 0V.

2. Sweep Mode:

The sweep mode determines how the oscilloscope behaves in the absence of a trigger event. The oscilloscope provides three trigger modes: Auto, Normal, and Single.

 Auto:

This sweep mode allows the oscilloscope to acquire waveforms even when it does not detect a trigger condition. If no trigger condition occurs while the oscilloscope is waiting for a specific period (as determined by the time-base

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setting), it will force itself to trigger.

When forcing invalid triggers, the oscilloscope cannot synchronize the waveform, and the waveform seems to roll across the display. If valid triggers occur, the display becomes stable on the screen.

Any factor results in the instability of waveforms can be detected by Auto Trigger, such as the output of Power supply.

NOTE: When horizontal control is set under 50 ms/div, Auto mode allows the oscilloscope not to capture trigger signal.

 Normal:

The Normal mode allows the oscilloscope to acquire a waveform only when it is triggered. If no trigger occurs, the oscilloscope keeps waiting, and the previous waveform will remain on the display.

 Single:

In Single mode, after pressing the RUN/STOP key, the oscilloscope waits for trigger. While the trigger occurs, the oscilloscope acquires one waveform then stop.

3. Coupling:

Trigger coupling determines which signal component passing to the trigger circuit. Coupling types include AC, DC, LF Reject and HF Reject.

 AC: AC coupling blocks DC components and attenuate signal lower than

10 Hz.

 DC: DC coupling passes both AC and DC components.  LF Reject: LF Reject coupling blocks DC component, and attenuates all

signal with a frequency lower than 10 kHz.

 HF Reject: HF Reject coupling attenuates all signals with a frequency

higher than 100 kHz.

4. Pre-trigger/delayed trigger:

The data is collected before and after trigger.

The trigger position is typically set at the horizontal center of the screen. In the full-screen display the 6div data of pre-trigger and delayed trigger can be

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surveyed. More data (14div) of pre-trigger and 1s delayed trigger can be surveyed by adjusting the horizontal knob.

This feature is very useful to study the events that led up to the trigger point. Everything on the right of the trigger point is called post-trigger information. The delay range (pre-trigger and post-trigger information) depends on the sweep speed selected.

3. Adjustable trigger sensitivity

To avoid the influence of noise from the physical world, and get the stable trigger, the trigger circuit has adopted Stickiness. In DS1000B series, the stickiness is adjustable from 0.1div-1.0div, which means when it sets to 1.0div; the trigger circuit will not affect any signal with peak-peak amplitude less than 1.0div, so as to avoid the influence of the noise.

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Menu

Settings

Comments

Acquisition

Normal Average Peak Detect

Normal Acquisition mode. Average Acquisition mode. Peak Detect Acquisition mode.

Sampling

Real-Time Equ-Time

Real-time sampling mode. Equivalent sampling mode.

Sinx/x

ON OFF

Set the interpolation as Sinx/x. Set the interpolation as linearity.

Sa Rate

Display sampling rate.

Acquire setup button

To Set up the Sampling System

Figure 2-60 shows, the Acquire button at the MENU of the front panel.

Figure 2-60

The Acquire setup button

Press the Acquire button, the interface menu shows as follows:

Figure 2-61 Table 2-37 The Acquire menu

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The waveform displayed on the screen will change in conjunction with the setting of Acquire menu.

Figure 2-62

Signal that contains noise, and without average sampling

Figure 2-63

Display signal after average 256 times sampling

Note:

 Select Real-time acquisition to observe the single-shot or pulse signals.  Select Equ-Time to observe high frequency repetitive signals.

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 To reduce the displayed random noise, select the Average Acquisition. This

mode would make the screen refresh slower.

 To Avoid signal aliasing, select Peak Detect Acquisition.

Figure 2-64

Signal with Peak Detect Acquisition

The Peak Detect effect is shown as the figure above.

Stop Acquisition: When the scope is acquiring waveforms, the waveforms is in a live status; when acquisition is stopped, frozen waveform will be displayed, the position and scale can still be adjusted by vertical control and horizontal control.

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Key Points

Real-time Sampling:

DS1000B has Real-time sampling rate up to 2GSa/s. At the time base 50ns or faster, the oscilloscopes use the sine(x)/x interpolation to expand the horizontal time base.

Equivalent sampling:

Known as Repetitive sampling to get up to 20ps of horizontal resolution (equivalent 50Gsa/s). This mode is good for observing repetitive signals, and it is not recommended for single-shot or pulse.

Normal: Oscilloscope acquires signal by equal time interval.

Average Acquisition:

Apply averaging to your signal to remove uncorrelated noise and improve measurement accuracy. Reduces random or uncorrelated noise in the signal display. The averaged waveform is a running average over a specified number of acquisitions from 2 to 256.

Peak Detect:

Peak Detect mode captures the maximum and minimum values of a signal, and finds highest and lowest record points over many acquisitions.

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Menu

Setting

Comments

Type

Vectors Dots

Display waveforms as vectors. Display waveforms as dots.

Clear

Clear all existing waveforms from screen.

Persist

Infinite

OFF

The sample points remain displayed until turn the persistence “OFF”. Turn off the persistence function.

Intensity <percentage>

Set up waveform intensity.

Display setup button

To Set up the Display System

The menu button for the display system on the front panel is shown in the following figure.

Figure 2-65

The display setup button

Press the Display button, the interface menu for settings shows as follows.

Figure 2-66 Table 2-38 The Display menu (Page 1/3)

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Menu

Settings

Comments

Grading

On Off

The waveform is displayed in multiple levels of pixel intensity.

Grid

Display grids and coordinates on the screen. Turn off the grids. Turn off the grids and coordinates.

Menu Display

1s 2s 5s 10s 20s Infinite

Set the time before menu fades away. The menu will be hidden after the set time of last button pressing.

Menu

Settings

Comments

GridBright <percentage>

Set up grid brightness.

Screen

Normal Inverted

Set to normal mode.

Set to invert color display mode.

Screen persist

To show the last acquired waveform when the acquisition is stopped. To show the accumulated acquired waveforms when the acquisition is stopped.

Skin

Classical Modern Tradition Succinct

To set the display screen of the oscilloscope

Figure 2-67 Table 2-39 The Display menu (Page 2/3)

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Figure 2-68 Table 2-40 The Display menu (Page 3/3)

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Adjusting waveform intensity

Turn the multifunctional knob ( ) to adjust waveform intensity.

Key points:

Display type: Display type includes Vector and Dot. In vectors type, oscilloscope

connects dots through digital interpolation including both linearity and sin(x)/x. Sin(x)/x interpolation is suitable for Real-time sampling and will be more effective at 50ns or faster time base.

Refresh rate: It is an important performance of digital oscilloscopes. It means the number of display refreshing per second and it will affect the ability to observe signal.

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Storage setup button

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To Store and Recall

Figure 2-69 shows the menu button for the storage system on the front panel.

Figure 2-69

The Storage setup button

Press the Storage button to show the menu for the settings of the storage system. Waveforms and setups can be stored in and recalled from both internal memory and external memory. The waveform files, setup files, 8 or 24 bits format bitmap files, CSV format files and PNG (Portable Network Graphics format) files in external memory can be created and deleted. System supports English/Chinese file name input.

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Menu

Settings

Comments

Storage

Waveform Setups 8-Bitmap 24-Bitmap PNG CSV

Factory

Store or recall waveform. Store or recall instrument setups. Create or delete 8bits bitmap files. Create or delete 24bits bitmap files. Create or delete PNG format files. Create or delete CSV files.

Recall factory setups.

Load

Recall factory setups or files.

Disk Mana.

Go to disk manage menu (see Table 2-48).

Menu

Settings

Comments

Storage

Waveform Setups 8-Bitmap 24-Bitmap PNG CSV Factory

Store or recall waveform. Store or recall instrument setups. Create or delete 8bits bitmap files. Create or delete 24bits bitmap files. Create or delete PNG format files. Create or delete CSV files. Recall factory setups.

Internal

Go to menu for internal memory operation (see Table 2-46).

External

Go to menu for external memory operation (see Table 2-47).

Disk Mana.

Go to disk manage menu (see Table 2-48).

Waveform and setup menus are as follows:

Figure 2-70 Table 2-41 The Storage menu

For factory default setups, the menu is as follows:

Figure 2-71 Table 2-42 The Storage menu

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Menu

Settings

Comments

Storage

Waveform Setups 8-Bitmap 24-Bitmap PNG

CSV Factory

Store or recall waveform. Store or recall setups. Create or delete 8bits Bitmap files. Create or delete 24bits Bitmap files. Create or delete Portable Network Graphics format files. Create or delete CSV files. Recall factory setups.

Para Save

On Off

Save the current oscilloscope settings in different format with the same file name.

External

Go to menu for external memory operation (see Table 2-47).

Disk Mana.

Go to disk manage menu (see Table 2-48).

Menu

Settings

Comments

Storage

Waveform Setups 8-Bitmap 24-Bitmap PNG CSV

Factory

Store or recall waveform. Store or recall instrument setups. Create or delete 8bits bitmap files. Create or delete 24bits bitmap files. Create or delete PNG format files. Create or delete CSV files.

Recall factory setups.

Data Depth

Displayed

Maximum

Save currently displayed waveform data to CSV file. Save the whole waveform data in memory to CSV file.

Para Save

On

Off

Save the current oscilloscope settings in different format with the same file name.

External

Go to menu for external memory operation (see Table 2-47).

Disk Mana.

Go to disk manage menu (see Table 2-48).

For bitmap, the menu is as follows:

Figure 2-72 Table 2-43 The Storage menu

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For CSV, the menu is as follows.

Figure 2-73 Table 2-44 The Storage menu

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Menu

Settings

Comments

Storage

Waveform Setups 8-Bitmap 24-Bitmap PNG CSV

Factory

Store or recall waveform. Store or recall instrument setups. Create or delete 8bits bitmap files. Create or delete 24bits bitmap files. Create or delete PNG format files. Create or delete CSV files.

Recall factory setups.

Para Save

On

Off

Save the current oscilloscope settings in different format with the same file name.

External

Go to menu for external memory operation (see Table 2-47).

Disk Mana.

Go to disk manage menu (see Table 2-48).

For PNG, the menu is as follows.

Figure 2-74 Table 2-45 The Storage menu

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Internal Memory

Menu

Settings

Comments

Internal

Int_00 (N) . . . Int_09 (N)

Set up the location of files in internal memory. Load

Recall waveform files and setup files from the internal memory location.

Save

Save waveform files and setup files to the internal memory location.

Delete Files

Delete selected files.

Press Storage→Internal to go to the following menu.

Figure 2-75 Table 2-46 The Memory menu

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Menu

Settings

Comments

Explorer

Path Directory File

Switch among Path, Directory and File.

New File (Folder)

To create new file or folder.(see table 2-13)

Delete File (Folder)

Delete file (Folder).

Load

Recall waveform and setup from USB storage device.

Files

File info.

Current directory

Back to previous

folder

Path

External Memory

Press Storage→ External to go to the following menu.

Figure 2-76 Table 2-47 The Memory menu

File system is as follows:

Figure 2-77

File system display screen

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U-disk Selection:

Figure 2-78

U-disk selection

DS1000B series have two USB Host ports on the front and rear panel. When both ports were inserted USB flash drive, the screen will appear a U-disk selection interface as Figure 2-78. Turn the multifunction knob to choose the driver. The front one marked “F:”, the rear one “G:”.

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Menu

Settings

Comments

Explorer

Path Directory File

Switch among Path, Directory and File.

New folder

To create new folder (same as new files, see table 2-13).

Delete File

Delete selected file.

Load

Recall waveform, setup, recorded waveform, Pass/Fail file.

Menu

Settings

Comments

Rename

To rename a file (see Table 2-50).

Disk info

Display disk information.

Disk Management

Press Storage→Disk Mana. to go to the following menu.

Figure 2-79 Table 2-48 The Disk Management menu (Page 1/2)

Figure 2-80 Table 2-49 The Disk Management menu (Page 2/2)

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Menu

Settings

Comments

To move the input focus point of file name up and down.

To move the focus point to the next location.

To delete chosen letter.

OK

Rename the file.

Rename

Press Storage→Disk Mana.→Rename to go to the following menu.

Figure 2-81 Table 2-50 The Rename menu

The Rename system screen is as follows:

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Figure 2-82

Rename the file

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Factory

The oscilloscope has default settings and can be recalled at anytime by user.

Memory location

Specify the memory location to save/recall the waveforms and setups.

Load

Recall saved waveforms, setups and default settings.

Save

Save waveforms and setups.

NOTE:

1. Select Save stores not only the waveforms, but also the current settings of the oscilloscope

2. To ensure the setups being saved properly, only after the settings are changed for more than 5 seconds, user could turn off the instrument. The oscilloscope can store 10 settings permanently and can restore at anytime.

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Menu

Setting

Comments

I/O setting

Setup I/O configuration.

Sound

(ON)

(OFF)

Turn beeper sound on/off.

Counter

OFF ON

Turn off Frequency Counter. Turn on Frequency Counter.

Language

简体中文繁体中文

English Japanese Français

Select languages. (More languages may be added in later firmware versions.)

System function setup

button

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To Set up the Utility

The following figure shows the menu button for the Utility on the front panel.

Figure 2-83

The Utility setup button

Press the Utility button to show the menu of the settings in the Utility system.

Figure 2-84 Table 2-51 The Utility menu (Page 1/3)

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Menu

Settings

Comments

Pass/Fail

Setup Pass/Fail test.

Record

Setup Waveform Recorder.

Print set

Setup printing.

Menu

Settings

Comments

Self-Cal

Execute Self-calibration.

System Info

Show the following information: Serial number, software version, installed module.

Preference

Go to preference menu.

Date/Time

Set the real date and time for system.

Figure 2-85 Table 2-52 The Utility menu (Page 2/3)

Figure 2-86 Table 2-53 The Utility menu (Page 3/3)

Note: Self-Cal: Oscilloscope will calibrate parameter of vertical system (CH1, CH2, CH3,

CH4 and Ext); horizontal system and trigger system .The oscilloscope can normally work under different environments.

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The I/O Setup

Menu

Display

Comments

LAN Set

Set network function, the local area network interface corresponds with the LXI standard.

USB Device

Auto Detect Computer PictBridge

Set USB device function, connect USB interface to the needed device.

GPIB# <Address>

Set the GPIB address, the address range is from 0 to 30.

Press Utility→IO Setting to go to the following menu.

Figure 2-87 Table 2-54 The I/O Setup menu

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Menu

Display

Comments

LAN Init

Load

Load the LAN initial data

Move up/down the setting focus

Move left/right the setting focus

LAN Setting

Press LAN Set to enter the following interface.

Figure 2-88

LAN Setting interface

The black parts in the setting area are the current items can be set. Turn the multifunction knob to set the item on the cursor. IP information can be modify by using the multifunction knob.

Figure 2-89 Table 2-55 LAN Setting menus

User‟s Guide for DS1000B series

Rigol DS1062B, DS1102B, DS1202B, DS1064B, DS1104B User guide

Specifications and Main Features

Frequently Asked Questions

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