Gw-instek GDS-2000 series Uer manual User Manual

Digital Storage Oscilloscope GDS-2000 Series USER MANUAL GW INSTEK PART NO. 82DS-22040ME1 ISO-9001 CERTIFIED MANUFACTURER

GDS-2000 Series User Manual 10 GETTING STARTED This chapter describes GDS-2000 in a nutshell, including its main features and front / rear panel i

GDS-2000 Series User Manual 100 4. Press F3 (Window Zoom). The specified range gets zoomed. The ZOOM indicator appears on the bottom left side o

CONFIGURATION 101 3. Press the Horizontal menu key. HORIMENU 4. Press F5 (XY). The display shows two waveforms in X-Y format; Channel 1 as X

GDS-2000 Series User Manual 102 Vertical View (Channel) This section describes how to set the vertical scale, position, and coupling mode. Move wa

CONFIGURATION 103 Select coupling mode Panel operation 1. Press the Channel key. CH1 2. Press F1 (Coupling) repeatedly to select the coupling mo

GDS-2000 Series User Manual 104 Invert waveform vertically Panel operation 1. Press the Channel key. CH1 2. Press F2 (Invert) to invert the wav

CONFIGURATION 105 Example BW Limit Off BW Limit On Select probe attenuation level Background A signal probe has an attenuation switch to lower

GDS-2000 Series User Manual 106 Trigger Trigger configures the condition GDS-2000 captures the incoming signal. Trigger type overview Edge (+Dela

CONFIGURATION 107 Trigger parameter overview Trigger source CH1 ~ 4 Channel 1 ~ 4 input signals Line AC mains signal Ext (For 2CH models only)

GDS-2000 Series User Manual 108 Video standard (video trigger) NTSC National Television System Committee PAL Phase Alternative by Line SECAM SEqu

CONFIGURATION 109 Triggers on AC+DC component. Frequency rejection LF Puts a high-pass filter and rejects the frequency below 50kHz. HF Puts a l

GETTING STARTED 11 GDS-2000 Series Overview Series lineup GDS-2000 series consists of 6 models, divided into 2-channel and 4-channel versions. Mod

GDS-2000 Series User Manual 110 Use edge trigger Panel operation 1. Press the Trigger menu key. MENU 2. Press F1 repeatedly to select edge tri

CONFIGURATION 111 8. Press F3 (Rejection) to select the frequency rejection mode. Rejection OffF 3 Range LF, HF, Off 9. Press F4 (Noise Rej

GDS-2000 Series User Manual 112 4. Press F4 (Ext) repeatedly to select the threshold level for the external trigger input. Ext:TTLF 4 Range T

CONFIGURATION 113 Use video trigger Panel operation 1. Press the Trigger menu key. MENU 2. Press F1 repeatedly to select video trigger. The vid

GDS-2000 Series User Manual 114 Use pulse width trigger Panel operation 1. Press the Trigger menu key. MENU 2. Press F1 repeatedly to select p

CONFIGURATION 115 7. Press F1 (Slope) repeatedly to select the trigger slope, which also appears at the bottom of the display. Range Rising e

GDS-2000 Series User Manual 116 System Info / Language / Clock This section describes how to set the interface, beeper, language, time/date, and p

CONFIGURATION 117  Spanish  Japanese  Russian  German  Dutch  Polish  Italian  French  Portuguese Panel operation 1. P

GDS-2000 Series User Manual 118 5. Press F4 (Save) to confirm the value. SaveF 4 6. Press F1 (Date) to switch to the Time setting menu. TimeF

SAVE/RECALL 119 SAVE/RECALL File format / Utility Display image file format ... 120 Waveform file format ...

GDS-2000 Series User Manual 12 Main Features Performance  High sampling rate: up to 1GS/S real-time, 25GS/s equivalent-time  Deep memory: 25k

GDS-2000 Series User Manual 120 File Format/Utility Display image file format Format DSxxxx.bmp or Axxxx.bmp (Windows bitmap format) Contents The

SAVE/RECALL 121 Contents: waveform data The waveform data can be used for detailed analysis. It consists of horizontal and vertical position of the

GDS-2000 Series User Manual 122 Setup file format Format DSxxxx.set or Axxxx.set (proprietary format) The setup file saves or recalls the followi

SAVE/RECALL 123 USB flash drive file utility Background For USB flash drive, file deletion, folder creation, file/folder rename are available from

GDS-2000 Series User Manual 124 4. Use the Variable knob to move the cursor. Press F1 (Select) to go into the folder or go back to the previous

SAVE/RECALL 125 3. When editing is completed, press F4 (Save). A new folder or a new folder/file name is created. SaveF 4 4. Press F5 (Previous

GDS-2000 Series User Manual 126 Quick Save (HardCopy) Background The Hardcopy key works as a shortcut for saving or printing out information. Har

SAVE/RECALL 127 Panel operation 1. Connect the drive to the front or rear panel USB port. Note: Only one host connection, front or rear, is allowe

GDS-2000 Series User Manual 128 Save File type/source/destination Item Source Destination Panel setup (DSxxxx.set)  Front panel settings  I

SAVE/RECALL 129 Save panel setting Panel operation 1. (For saving to an external USB flash drive) Connect the drive to the front or rear panel US

GETTING STARTED 13 Package Contents Check the contents before using GDS-2000. Opening the box Contents  Main unit  Probe set GDS-2062:

GDS-2000 Series User Manual 130 USB External flash drive, no practical limitation on the amount of file. When saved, the setup file is placed in

SAVE/RECALL 131 4. Press F2 (Source). Use the Variable knob to select the source signal. SourceF 2 CH1 ~ CH2 (2CH model) Channel 1 ~ 2 si

GDS-2000 Series User Manual 132 USB External flash drive, no practical limitation on the amount of file. When saved, the waveform file is placed

SAVE/RECALL 133 3. Press F5 (More). MoreF 5 4. Press F1 (Save Image). The display shows the available file destinations. SaveImageF 1 5. P

GDS-2000 Series User Manual 134 USB External flash drive, no practical limitation on the amount of file. When saved, the image file is placed in

SAVE/RECALL 135 4. Press F2 (Save All). The display shows the available file destinations. The following files are saved, contained in a folder.

GDS-2000 Series User Manual 136 Ink Saver On (normal) Ink Saver Off (inverted) 6. Press F3 (Destination). Use the Variable knob to select t

SAVE/RECALL 137 Recall File type/source/destination Item Source Destination Default panel setup  Factory installed setting  Current front pa

GDS-2000 Series User Manual 138 Acquisition Mode: Normal Memory length: 500 Channel Scale: 2V/Div CH1: On, CH2/3/4: Off Coupling: DC Invert: O

SAVE/RECALL 139 Recall reference waveform on the display Panel operation 1. The reference waveform must be stored in advance. See page for wavefo

GDS-2000 Series User Manual 14 Appearance GDS-2064/2104/2204 Front Panel GDS-2062/2102/2202 Front Panel

GDS-2000 Series User Manual 140 Recall panel setting Panel operation 1. (For recalling from an external USB flash drive) Connect the drive to th

SAVE/RECALL 141 5. Press F2 (Source) repeatedly to select the file source, internal memory or external USB. Use the Variable knob to change the m

GDS-2000 Series User Manual 142 Recall waveform Panel operation 1. (For recalling from an external USB flash drive) Connect the drive to the fro

SAVE/RECALL 143 5. Press F2 (Source) repeatedly to select the file source, internal memory or external USB. Use the Variable knob to change the m

GDS-2000 Series User Manual 144 Recall image Panel operation 1. Connect the USB drive to the front or rear panel USB port. Note: Only one host c

SAVE/RECALL 145 6. To show the image on the display, press F3 (Ref Image) ON or F4 (Recall). RecallF 4Ref Image OnF 3 7. The image appears on t

GDS-2000 Series User Manual 146 PRINT OUT Display printout is also available using proprietary PC software, downloadable from GWInstek website. Ov

PRINT OUT 147 2 Configure interface Panel operation 1. Press the Utility key. Utility 2. Press F2 (Interface menu). InterfaceMenuF 2 3. Press

GDS-2000 Series User Manual 148 4. To invert the color for the saved or printed display image, press F2 (Ink Saver) and turn On the Ink Saver. I

REMOTE CONTROL CONFIG 149 REMOTE CONTROL CONFIG This chapter describes basic configuration of IEEE488.2 based remote control. For command list, re

GETTING STARTED 15 LCD display TFT color, 320 x 234 resolution, wide angle view LCD display. F1 ~ F5 function keys Activates the functions which

GDS-2000 Series User Manual 150 Interface Configuration Configure USB interface USB configuration PC side connector Type A, host GDS-2000 side co

REMOTE CONTROL CONFIG 151 Configure RS-232C interface RS-232C configuration Connector DB-9, Male Baud rate 2400, 4800, 9600, 19200, 38400 Parity

GDS-2000 Series User Manual 152 Range None, Odd, Even 9. Connect the RS-232C cable to the rear panel port: DB-9 male connector. For functional

REMOTE CONTROL CONFIG 153 Configure GPIB interface (optional) GPIB module installation The optional GPIB module is available as a separate kit. F

GDS-2000 Series User Manual 154 4. The interface icon at display top changes to GPIB. 5. Press F2 (Address). Use the Variable knob to change

REMOTE CONTROL CONFIG 155 USB/RS-232C remote control software Termin al application (USB/RS-232C) Invoke the terminal application such as MTTTY

GDS-2000 Series User Manual 156 BATTERY OPERATION The optional battery allows portable operations such as field applications. Battery packs and re

BATTERY OPERATION 157 3. Insert the battery packs and close the cover. 4. Turn On the power and make sure the battery icon appears at the top le

GDS-2000 Series User Manual 158 MAINTENANCE Two types of maintenance operations are available: calibrate vertical resolution, and compensate the p

MAINTENANCE 159 8. The calibration for Channel1 starts and ends automatically, in less than 5 minutes. Ch1 calibration 1/3 9. When finished, co

GDS-2000 Series User Manual 16 Cursor key Configures and runs cursor measurements (page60). Measure key Configures and runs automatic measuremen

GDS-2000 Series User Manual 160 3. Press F5 (More) twice. MoreF 5 x2 4. Press F1 (ProbeComp Menu). ProbeCompMenuF 1 5. Press F1 (Wavetype) r

FAQ 161 FAQ • I pressed the Power (On/Standby) key on the front panel but nothing happens. • I connected the signal but it does not appear on the

GDS-2000 Series User Manual 162 I want to remove the (Measurement result / FFT result / Help contents) from the display. To clear automatic measu

FAQ 163 The display image printout is too dark on the background. Use the Inksaver function which reverses the background color. For details, see

GDS-2000 Series User Manual 164 APPENDIX Fuse Replacement Step 1. Take off the power cord and remove the fuse socket using a minus driver. 2

APPENDIX 165 GPIB Module Installation For GPIB interface and remote control details, see page149. GPIB kit contents  GPIB module  Programming

GDS-2000 Series User Manual 166 GDS-2000 Specifications The specifications apply when GDS-2000 is powered on for at least 30 minutes under +20°C~+

APPENDIX 167 Trigger Sources CH1, CH2, Line, EXT(2ch model only), CH3, CH4(4ch model only) Modes Auto-Level, Auto, Normal, Single, TV, Edge,

GDS-2000 Series User Manual 168 Auto Counter Resolution: 6 digits Accuracy: ±2% Signal source: All available trigger source except the Video tr

APPENDIX 169 Probe Specifications Model-specific GTP-060A Applicable to GDS-2062, GDS-2064 Bandwidth DC ~ 60MHz @ Position x 10 Rise time

GETTING STARTED 17 Vertical position knob Sets the vertical position of waveforms (page102). Channel menu key Configures the vertical scale and c

GDS-2000 Series User Manual 170 Declaration of Conformity We GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng City, Taipei County 23

INDEX 171 INDEX 2-4 channel difference ... 11 AC coupling ... 103 acquisition ...

GDS-2000 Series User Manual 172 safety instruction ... 7 equivalent time sampling ... 90 external trigger ...

INDEX 173 compensation menu tree ... 43 compensation signal overview ... 53 faq ... 162 mem

GDS-2000 Series User Manual 174 key overview ... 15 menu tree ... 40 shortcut .

GDS-2000 Series User Manual 18 Rear Panel Power switch Power cord socket Fuse socket Power switch turns the main power On () / Off ( ). Power

GETTING STARTED 19 GPIB port (optional) Accepts 24 pin male GPIB connector for remote control (page153). Battery packs (optional) Holds 2 packs of

December 2010 This manual contains proprietary information, which is protected by copyrights. All rights are reserved. No part of this manual may b

GDS-2000 Series User Manual 20 Display PowersourceDisplaymodeWaveformInterface Date/Time orMemory BarTriggerstatusAcquisitionmodeChannelstatusTime

GETTING STARTED 21 USB RS-232C GPIB (optional) Date/Time Current date and time (page117). Memory bar The ratio and the position of the disp

GDS-2000 Series User Manual 22 Set Up Tilt stand Low angle High angle

GETTING STARTED 23 Power up Step 1. Connect the power cord to the rear panel socket. (No need when using the battery). 2. Turn On the main pow

GDS-2000 Series User Manual 24 First Time Use Background This section describes how to connect a signal, adjust the scale, and compensate the pro

GETTING STARTED 25 4. Select vector waveform Press the Display key, then F1 (Type) twice to select the vector waveform. DisplayTypeVectorsF 1

GDS-2000 Series User Manual 26 QUICK REFERENCE This chapter describes GDS-2000 menu tree, shortcuts to major operations, built-in Help access, and

QUICK REFERENCE 27 Menu Tree / Operation Shortcuts Convention F1 = Press F1 F1 = Press F1 repeatedly F1 ~ F4 = Select one from F1 to F4 and press

GDS-2000 Series User Manual 28 Auto test/Stop key Auto test/Stop → See Program key (page32) CH1 ~ 4 key On/ Off/ /On/ Offx1/ x10/ x100CH

QUICK REFERENCE 29 Display key Vectors/ DotsDisplayTypeDotsF 1On/ OffAccumulate OffF 2RefreshF 3ContrastF 4F 5/ /DISPLAY Select waveform

TABLE OF CONTENTS 3Table of Contents SAFETY INSTRUCTIONS ... 5GETTING STARTED ...

GDS-2000 Series User Manual 30 Math key (1/2) MATHOperation+F 1CH1+CH2F 2Position0.00 DivF 4Unit/Div2VF 5MATH-12div ~ +12div(4CH)CH1+CH2/CH3+CH4(

QUICK REFERENCE 31 Measure key (1/2) (4CH) CH1/ 2/ 3/ 4(2CH) CH1/ 2/(4CH) CH1/ 2/ 3/ 4(2CH) CH1/ 2/Vpp 1:204mV 2:24.0mVMeasureMEASUREF 1F 2F 3F 4F

GDS-2000 Series User Manual 32 Program key (1/2) ProgramEditPlayF 1Step01.F 2ItemMenuMenu/Time/SetupF 3SaveF 5PROGRAM1 ~ 20 Select Program Edit m

QUICK REFERENCE 33 Save/Recall key (1/9) Save/RecallDefaultSetupF 1DisplayRefs.F 2SaveSetupF 3SaveWaveformF 4MoreF 5SAVE/RECSaveImageF 1SaveAllF 2

GDS-2000 Series User Manual 34 Save/Recall key (3/9) SaveSetupF 1DestinationUSBF 3SaveF 4FileUtilitiesF 5Memory/USB(USB only)To File UtilitiesSav

QUICK REFERENCE 35 Save/Recall key (5/9) SaveAllF 1SaveF 4FileUtilitiesF 5Save AllDestinationUSBF 3(USB only)To File UtilitiesInk Saver OffF 2 O

GDS-2000 Series User Manual 36 Save/Recall key (7/9) RecallWaveformF 1RecallF 4FileUtilitiesF 5Recall WaveformDestinationF 3(USB only)To File Uti

QUICK REFERENCE 37 Save/Recall key (9/9) SelectF 1DeleteF 4PreviousMenuF 5File UtilitiesRenameF 3NewFolderF 2FILE UTILSEnterCharacterF 1SaveF 4Pre

GDS-2000 Series User Manual 38 Trigger key (2/5) TypePulseF 1SourceCH1F 2ModeAutoF 3Slope /CouplingF 5TRIGGERAuto/ Normal/SingleWhen <20.0nsF

QUICK REFERENCE 39 Trigger key (4/5) LF/ HF/ OffOn/ Off//SlopeF 1CouplingF 2Rejection OffF 3PreviousMenuF 5TRIGGERNoise Rej OffF 4Slope/Coupli

GDS-2000 Series User Manual Save ... 128Recall ...

GDS-2000 Series User Manual 40 Utility key (1/9) / / Off English/Chinese(S)Chinese(T)/SpanishKorean/ etcUtilityHardcopyMenuF 1InterfaceMenuF

QUICK REFERENCE 41 Utility key (3/9) FunctionSave AllGrayPortrait(Printer only)5 ~ 75(Printer only)Color Portrait/Gray PortraitSaveImage/SaveAll/

GDS-2000 Series User Manual 42 Utility key (5/9) (4CH) CH1/ 2/ 3/ 4(2CH) CH1/ 2Template EditSourceCH1ViolatingStopGo-NoGo OffRatio:00STOP / STO

QUICK REFERENCE 43 Utility key (7/9) UtilityProbeCompMenuF 1Time SetMenuF 2MoreF 5UTILITYTo Probe menuTo Time set menu Go to Probe Compensation me

GDS-2000 Series User Manual 44 Utility key (9/9) Select date/time setting F1 Select day/month/year F2→VAR Select hour/minute F2 →VAR Save d

QUICK REFERENCE 45 Default Settings Here is the factory installed panel setting which appears when pressing the Save/Recall key→F1 (Default Setup).

GDS-2000 Series User Manual 46 Built-in Help The Help key shows help contents. When a functional key is pressed, simple explanations of its major

MEASUREMENT 47 MEASUREMENT Basic measurement Channel activation ... 48 Auto Set ...

GDS-2000 Series User Manual 48 Basic Measurement This section describes the basic operations required in capturing and viewing the input signal. F

MEASUREMENT 49 Auto Set Background Auto Set function automatically configures the panel settings to position the input signal to the best viewing

SAFETY INSTRUCTIONS 5 SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow when operating GDS-2000 and when

GDS-2000 Series User Manual 50 Run/Stop Background By default, the waveform on the display is constantly updated (Run mode). Freezing the wavefor

MEASUREMENT 51 Horizontal position/scale For more detailed configuration, see page95. Set horizontal position The horizontal position knob moves t

GDS-2000 Series User Manual 52 Vertical position/scale For more detailed configuration, see page102. Set vertical position To move the waveform u

MEASUREMENT 53 Probe compensation signal Background This section introduces how to use the probe compensation signal for general usage, in case th

GDS-2000 Series User Manual 54 3. Press F5 (More) twice. MoreF 5 MoreF 5 4. Press F1 (Wave type) repeatedly to select the wave type. 5. (Fo

MEASUREMENT 55 Automatic Measurement Automatic measurement function measures and updates major items for Voltage, Time, and Delay type. Measurement

GDS-2000 Series User Manual 56 Vavg Averaged voltage of the first cycle Vrms RMS (root mean square) voltage ROVShoot Rise overshoot voltage

MEASUREMENT 57 FFR Time between: Source 1 first falling edge and Source 2 first rising edge FFF Time between: Source 1 first falling edge and S

GDS-2000 Series User Manual 58 F 1F 2F 3F 4F 5 Select measurement item 3. The selection menu appears. Press F1 (Source 1) repeatedly to selec

MEASUREMENT 59 Display All mode Display All mode shows and updates all items from Voltage and Time type measurement. View measurement result 1. P

GDS-2000 Series User Manual 6 Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collection facility or conta

GDS-2000 Series User Manual 60 Cursor Measurement Cursor line, horizontal or vertical, shows the position and value of the waveform and math opera

MEASUREMENT 61 Parameter T1 Time position of the left cursor T2 Time position of the right cursor ∆ The time distance between the left an

GDS-2000 Series User Manual 62 Use vertical cursor Panel operation/ Range 1. Press the Cursor key. Cursor 2. Press F1 (Source) repeatedly to se

MEASUREMENT 63 5. Use the Variable knob to move the cursor up or down. The F5 content changes accordingly. Example V1V2V1V2 Note: FFT Math The F

GDS-2000 Series User Manual 64 Math Operation Overview Background Math operation runs addition, subtraction, multiplication, or FFT using the inp

MEASUREMENT 65 Flattop FFT window Frequency resolution Not good Amplitude resolution Good Suitable for... Amplitude measurement on periodic wavef

GDS-2000 Series User Manual 66 4. (For 4CH model only) press F2 repeatedly to select the channel pairs, 1&2 or 3&4. CH1+CH2F 2 5. The

MEASUREMENT 67 FFT Panel operation 1. Press the Math key. MATH 2. Press F1 (Operation) repeatedly to select FFT. OperationFFTF 1 3. Press F2

GDS-2000 Series User Manual 68 6. To move the FFT waveform vertically, press F4 (Position) and use the Variable knob. Position0.00 DivF 4 Ran

MEASUREMENT 69 Go-NoGo Test Overview Background Go-NoGo test checks if a waveform fits inside the user-specified maximum and minimum amplitude bou

SAFETY INSTRUCTIONS 7 Power Supply WARNING  AC Input voltage: 100 ~ 240V AC, 48 ~ 63Hz  The power supply voltage should not fluctuate more than

GDS-2000 Series User Manual 70 Edit: Buzzer sound Panel operation 1. Press the Utility key. Utility 2. Press F3 repeatedly to select the buzze

MEASUREMENT 71 Edit: Source signal 1. Press the Utility key. Utility 2. Press F5 (More). MoreF 5 3. Press F3 (Go-NoGo Menu). Go-NoGoMenuF 3

GDS-2000 Series User Manual 72 Stop The test stops when the NoGo condition is met. The buzzer does not sound. Stop+ The test stops and the buz

MEASUREMENT 73 Auto Creates the upper and lower boundary together from an input signal, not from internally stored waveform. Advantage: No need to

GDS-2000 Series User Manual 74 Max (marked as waveform “A” in thd display) Maximum boundary: RefA, W1 ~ 20 internal memory Min (marked as wave

MEASUREMENT 75 Auto setting 1. Make sure the source signal, on which the templates are based, appears on the display. 2. Press the Utility key.

GDS-2000 Series User Manual 76 10. When the templates are set, press F4 (Save & Create) to save it. Save & CreateF 4 Run Go-NoGo test

MEASUREMENT 77 5. Press F4 (Go-NoGo). The Go-NoGo test starts running and stops according to the continue/stop condition (page71). To stop the

GDS-2000 Series User Manual 78 Program Overview Background Program function measures input signals using cursors or automatic measurement functio

MEASUREMENT 79 Edit program This section assumes that the panel setting is already defined and saved (step 1 and 2 in the previous page). Panel op

GDS-2000 Series User Manual 8 (Pollution Degree) EN 61010-1:2001 specifies the pollution degrees and their requirements as follows. GDS-2000 fall

GDS-2000 Series User Manual 80 Setup Selects the panel setup stored in the internal memory. S01 ~ S20. For panel setup store/recall details, see

MEASUREMENT 81 Run program This section assumes that the program editing (see previous page) is completed. Panel operation 1. Press the Program k

GDS-2000 Series User Manual 82 4. Press F3 (From/To) to select the From: side. Use the Variable knob to select the program start step: 1 ~ 20. T

CONFIGURATION 83 CONFIGURATION Acquisition Select acquisition mode ... 85 Select waveform memory length ...

GDS-2000 Series User Manual 84 Trigger Trigger type overview ... 106 Trigger parameter overview ...

CONFIGURATION 85 Acquisition Acquisition process samples the analog input signals and converts them into digital format for internal processing. Se

GDS-2000 Series User Manual 86 Example Normal Peak Detect Average (2 times) Average (256 times) Peak detect effect using probe comp. wavefor

CONFIGURATION 87 6. Press the Acquire key. Acquire 7. Press F2 (Peak Detect) or F1 (Normal) and see that in the Peak detection mode, spike nois

GDS-2000 Series User Manual 88 2. Press F5 (Mem Leng) to select the memory length (points), short or long. Mem Leng500F 5 Range (memory point) 5

CONFIGURATION 89 Long memory effect using probe comp. waveform 1. One of the probe compensation waveform can demonstrate long memory mode. Connect

SAFETY INSTRUCTIONS 9 Power cord for the United Kingdom When using GDS-2000 in the United Kingdom, make sure the power cord meets the following safe

GDS-2000 Series User Manual 90 Real time vs Equivalent time sampling mode Background GDS-2000 automatically switches between two sampling modes,

CONFIGURATION 91 Display Display menu defines how the waveforms and parameters appear on the main LCD display. Select waveform drawing (vector/dot)

GDS-2000 Series User Manual 92 Accumulate waveform Background Accumulation preserves the old waveform drawings and overwrites new waveforms on to

CONFIGURATION 93 Set display contrast Panel operation 1. Press the Display key. Display 2. Press F4 (Contrast). ContrastF 4 3a. Turn the Variab

GDS-2000 Series User Manual 94 Select display grid Panel operation 1. Press the Display key. Display 2. Press F5 (Grid type) repeatedly to sele

CONFIGURATION 95 Horizontal View This section describes how to set the horizontal scale, position, and waveform display mode. Move waveform positio

GDS-2000 Series User Manual 96 Select horizontal scale Select horizontal scale To select the timebase (scale), turn the TIME/DIV knob; left (slow

CONFIGURATION 97 Select waveform update mode Background The display update mode is switched automatically or manually according to timebase and tr

GDS-2000 Series User Manual 98 Roll mode Updates and moves the waveform gradually from the right side of the display to the left. Manually select

CONFIGURATION 99 Zoom waveform horizontally Panel operation/ range 1. Press the Horizontal Menu key. HORIMENU 2. Press F2 (Window) key. WindowF