Gw-instek GDS-1000A Series User Manual User Manual

Digital Storage Oscilloscope GDS-1000A Series USER MANUAL GW INSTEK PART NO. 82DS-1102AMD1 ISO-9001 CERTIFIED MANUFACTURER

GDS-1000A Series User Manual 10 (Pollution Degree) EN 61010-1:2001 specifies pollution degrees and their requirements as follows. The oscilloscop

GDS-1000A Series User Manual 100 2. If the file/folder still needs to be deleted, press Delete again to complete the deletion. To cancel the del

SAVE/RECALL 101 Quick Save (HardCopy) Background The Hardcopy key works as a shortcut for printing screen images directly to a printer or to save

GDS-1000A Series User Manual 102 4. Press Function repeatedly to select Save Image or Save All. 5. To invert the color in the display image,

SAVE/RECALL 103 Save This section describes how to save data using the Save/Recall menu. File type/source/destination Item Source Destination Pa

GDS-1000A Series User Manual 104 Saving the panel settings Procedure 1. (For saving to an external SD card) Insert the card into the slot. 2.

SAVE/RECALL 105 File utilities To edit SD card contents (create/ delete/ rename files and folders), press File Utilities. For details, see page98.

GDS-1000A Series User Manual 106 SD Normal Save to the SD card with a 4k waveform memory length. SD 1M Save to the SD card with a 1M waveform

SAVE/RECALL 107 2. Press the Save/Recall key twice to access the Save menu. Save/Recall Save/Recall 3. Press Save Image. 4. Press Ink Saver

GDS-1000A Series User Manual 108 Saving all (panel settings, display image, waveform) Procedure 1. (For saving to an external SD card) Insert th

SAVE/RECALL 109 SD 1M Save to the SD card with a 1M waveform memory length. For 2 channel operation only. SD 2M Save to the SD card with a 2M w

SAFETY INSTRUCTIONS 11 Power cord for the United Kingdom When using the oscilloscope in the United Kingdom, make sure the power cord meets the follo

GDS-1000A Series User Manual 110 Recall File type/source/destination Item Source Destination Default panel setup  Factory installed setting 

SAVE/RECALL 111 Recalling the default panel settings Procedure 1. Press the Save/Recall key. Save/Recall 2. Press Default Setup. The factory in

GDS-1000A Series User Manual 112 Recalling a reference waveform to the display Procedure 1. The reference waveform must be stored in advance. Se

SAVE/RECALL 113 3. Press Recall Setup. 4. Press Source repeatedly to select the file source, internal or external memory. Use the Variable kno

GDS-1000A Series User Manual 114 3. Press Recall Waveform. The display shows the available source and destination options. 4. Press Source re

SAVE/RECALL 115 File utilities To edit the SD card contents (create/ delete/ rename files and folders), press File Utilities. For details, see page

GDS-1000A Series User Manual 116 4. Use the Variable knob to choose a file name (DSXXXX.BMP). VARIABLE SD card The image file must be placed

PRINT 117 PRINT The GDS-1000A is able to print screen images directly to a PictBridge compatible printer. The printed images can use the “Ink Saver

GDS-1000A Series User Manual 118 2. Insert the other end of the USB cable into the printer USB port. LINE VOLTAGEAC 10 0 240VFUSE RATINGRANG

PRINT 119 10. To change the default page size, press Page Size. Default Default printer page setting. 4 X 6 4 X 6 inches A4 Standard A4

GDS-1000A Series User Manual 12 GETTING STARTED The Getting started chapter introduces the oscilloscope’s main features*, appearance, and set up p

GDS-1000A Series User Manual 120 MAINTENANCE Two types of maintenance operations are available: calibrating the vertical resolution, and compensat

MAINTENANCE 121 7. The Channel1 calibration will complete in less than 5 minutes. Ch1 calibration 1/3 8. When finished, connect the calibration

GDS-1000A Series User Manual 122 4. Press Wavetype repeatedly to select the standard square wave. 5. Press the Autoset key. The compensation

FAQ 123 FAQ • The input signal does not appear in the display. • I want to remove some contents from the display. • The waveform does not update (

GDS-1000A Series User Manual 124 The waveform does not update (frozen). Press the Run/Stop key to unfreeze the waveform. See page45 for details.

FAQ 125 The accuracy does not match the specifications. Make sure the device is powered on for at least 30 minutes, within +20°C~+30°C. This is ne

GDS-1000A Series User Manual 126 APPENDIX Fuse Replacement Procedure 1. Remove the power cord and remove the fuse socket using a minus driver.

APPENDIX 127 GDS-1000A Series Specifications The specifications apply when the oscilloscope is powered on for at least 30 minutes under +20°C~+30°C

GDS-1000A Series User Manual 128 Common specifications Vertical Sensitivity 2mV/div~10V/Div (1-2-5 increments) Accuracy ± (3% x |Readout|+0.

APPENDIX 129 Cursors and Measurement Voltage Vpp, Vamp, Vavg, Vrms, Vhi, Vlo, Vmax, Vmin, Rise Preshoot/ Overshoot, Fall Preshoot/ Overshoot Ti

GETTING STARTED 13 Interface  SD/SDHC card interface for saving and recalling data  Calibration output  External trigger input  USB slave

GDS-1000A Series User Manual 130 Probe Specifications GDS-1062A/1102A/1152A Probe Applicable model & probe GDS-1062A GTP-060A-4* GDS-1102A G

APPENDIX 131 EC Declaration of Conformity We GOOD WILL INSTRUMENT CO., LTD. No.7-1, Jhongsing Rd., Tucheng City, Taipei County 236, Taiwan GOOD WI

GDS-1000A Series User Manual 132 INDEX 2M memory length limits ... 95 AC coupling ... 77 Accumulating waveform

INDEX 133 safety instructions ... 9 Equivalent time sampling ... 67 Expand Center ... 77 Expan

GDS-1000A Series User Manual 134 compensation menu tree ... 40 compensation signal overview ... 48 faq...

INDEX 135 expand waveform ... 77 file format ... 94 invert waveform ...

GDS-1000A Series User Manual 14 Panel Overview Front Panel LCD display TFT color, 320 x 234 resolution, wide angle view LCD display. Function ke

GETTING STARTED 15 Utility key Utility Configures the Hardcopy function (page101), shows the system status (page88), selects the menu language (pa

GDS-1000A Series User Manual 16 Trigger force key FORCE Acquires the input signal once regardless of the trigger condition at the time (page88). H

GETTING STARTED 17 External trigger input EXT TRIG Accepts an external trigger signal (page81). Power switch Powers the oscilloscope on or off.

GDS-1000A Series User Manual 18 Rear Panel Power cord socket Fuse socket Power cord socket accepts the AC mains, 100 ~ 240V, 50/60Hz. The fuse

GETTING STARTED 19 Display Waveform markerVertical status Horizontal status Frequency Trigger conditionWaveform position Trigger status Acquisition

December 2010 edition This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manua

GDS-1000A Series User Manual 20 Setting up the Oscilloscope Background This section describes how to set up the oscilloscope properly including a

GETTING STARTED 21 6. Connect the probe between the Channel1 input terminal and probe compensation signal output (2Vp-p, 1kHz square wave). 7.

GDS-1000A Series User Manual 22 Over CompensationNormalUnder Compensation 11. Setting up the oscilloscope is complete. You may continue with the

QUICK REFERENCE 23 QUICK REFERENCE This chapter lists the oscilloscope menu tree, operation shortcuts, built-in help coverage, and default factory

GDS-1000A Series User Manual 24 Select acquisition mode Normal ~ Peak-Detect Select average number Average Turn Delay on/off Delay On CH1/2 ke

QUICK REFERENCE 25 Cursor key 1/2 Turn cursor on/off Cursor Move X1 cursor X1→ VAR Move X2 cursor X2→ VAR Move both X1 and X2 cursor X1X2→ VA

GDS-1000A Series User Manual 26 Display key Select waveform type Type Waveform accumulate On/Off Accumulate Refresh accumulation Refresh Set di

QUICK REFERENCE 27 Horizontal menu key Switch from Horizontal Menu to Horizontal Position Menu. Horizontal MENU Select main (default) display Ma

GDS-1000A Series User Manual 28 Math key 1/2 (+/-/x) Math on/off Math Select math operation type (+/–/x/FFT/FFT rms) Operation Set result posit

QUICK REFERENCE 29 Measure key Turn on/off measurement Measure Select measurement type Voltage/Time/Delay Select measurement item VAR or Icon(

TABLE OF CONTENTS 3 Table of Contents SAFETY INSTRUCTIONS ... 7Safety Symbols ...

GDS-1000A Series User Manual 30 Save/Recall key 1/10 RecallSetupRecallWaveformDisplayRefs.SaveSetupSaveWaveformSaveImageSaveAllTo RecallSetupTo R

QUICK REFERENCE 31 Save/Recall key 3/10 Select other menu Recall Waveform Select waveform source Source→VAR Select waveform destination Destin

GDS-1000A Series User Manual 32 Save/Recall key 5/10 Select other menu Display Refs. Turn ref. waveform A on/off Ref.A Turn ref. waveform B on/

QUICK REFERENCE 33 Save/Recall key 7/10 Select other menu Save Waveform Select source Source→VAR Select destination Destination →VAR Save wa

GDS-1000A Series User Manual 34 Save/Recall key 9/10 Select other menu Save All Turn on/off ink saver Ink Saver Select destination Destination

QUICK REFERENCE 35 Trigger key 1/6 TypeEdgeSourceCH1ModeAutoSlope /CouplingHoldoff40.0nsSet toMinimumMENU MENUTrigger TypeTrigger Holdoff Select T

GDS-1000A Series User Manual 36 Trigger key 3/6 Select edge trigger type Edge Select trigger source Source Go to slope/coupling menu (page37) S

QUICK REFERENCE 37 Trigger key 5/6 Select trigger slope type Slope Select trigger coupling mode Coupling Select frequency rejection Rejection T

GDS-1000A Series User Manual 38 Utility key 1/6 Go to hardcopy menu Hardcopy Go to probe compensation menu ProbeComp Select language Language S

QUICK REFERENCE 39 Utility key 3/6 FunctionSave AllPrevious MenuOn/ OffInk SaverOffHardcopy – Save AllMem LengSD NormalSD NormalSD 1M/ SD 2MFast/

GDS-1000A Series User Manual 4 Trigger key 2/6 ... 35Trigger key 3/6 ...

GDS-1000A Series User Manual 40 Utility key 5/6 Select Hardcopy functionSelect Function Turn on/off Inksaver Ink Saver Go to previous menu Prev

QUICK REFERENCE 41 Default Settings Here are the factory installed panel settings which appear when pressing the Save/Recall key→ Default Setup.

GDS-1000A Series User Manual 42 Built-in Help The Help key shows the contents of the built-in help support. When you press a function key, its de

MEASUREMENT 43 MEASUREMENT The Measurement chapter describes how to properly observe a signal using the oscilloscope’s basic functions, and how to

GDS-1000A Series User Manual 44 Channel iconChannelindicatorChannel 1 off Channel 1 on De-activating a channel To de-activate the channel, press

MEASUREMENT 45 Undo optionBefore Autoset After Autoset Undoing the Autoset To undo the Autoset, press Undo (available for a few seconds). Adjustin

GDS-1000A Series User Manual 46 Waveform operation Waveforms can be moved or scaled in both the Run and Stop mode. For details, see page70 (Horiz

MEASUREMENT 47 Selecting the horizontal scale To select the timebase (scale), turn the TIME/DIV knob; left (slow) or right (fast). TIME/DIV Range

GDS-1000A Series User Manual 48 Using the probe compensation signal Background This section introduces how to use the probe compensation signal f

MEASUREMENT 49 3. Press ProbeComp. 4. Press Wave type repeatedly to select the wave type. 5. (For only) To change the frequency, press Freq

TABLE OF CONTENTS 5 Adjusting the display contrast ... 69Selecting the display grid ...

GDS-1000A Series User Manual 50 Automatic Measurements The automatic measurement function measures input signal attributes and updates them in the

MEASUREMENT 51 Vlo Global low voltage. Vavg Averaged voltage of the first cycle. Vrms RMS (root mean square) voltage. ROVShoot Rise oversho

GDS-1000A Series User Manual 52 FRF Time between: Source 1 first rising edge and Source 2 first falling edge FFR Time between: Source 1 first

MEASUREMENT 53 3. The measurement results appear on the menu bar, constantly updated. All measurements are derived from the cursor positions. See

GDS-1000A Series User Manual 54 Editing a measurement item 3. Press the corresponding menu key (F1~F5) to select the measurement slot to be edi

MEASUREMENT 55 7. Press F2 repeatedly to change the channel for Source2. Range CH1, 2, Math View all measurements 8. Press F3 to view all mea

GDS-1000A Series User Manual 56 Cursor Measurements Cursor lines, horizontal or vertical, show the precise position of the input waveforms or the

MEASUREMENT 57 Moving the horizontal cursors To move the left cursor, press X1 and then use the Variable knob. To move the right cursor, press X2

GDS-1000A Series User Manual 58 Moving the vertical cursors To move the upper cursor, press Y1 and then use the Variable knob. To move the lower

MEASUREMENT 59 Math Operations The Math operations can add, subtract, multiply or perform FFT/FFT RMS on the input waveforms. The resulted waveform

GDS-1000A Series User Manual 6 Saving the display image ... 106Saving all (panel settings, displa

GDS-1000A Series User Manual 60 Suitable for... Single-shot phenomenon (this mode is the same as having no window at all) Blackman FFT window Fr

MEASUREMENT 61 Using the FFT function Procedure 1. Press the Math key. MATH 2. Press Operation repeatedly to select FFT or FFT RMS. 3. Press

GDS-1000A Series User Manual 62 8. To clear the FFT result from the display, press the Math key again. MATH

CONFIGURATION 63 CONFIGURATION The Configuration chapter describes how to configure panel settings to make measurements and observations suited to

GDS-1000A Series User Manual 64 Average Multiple data is averaged to form a waveform. This mode is useful for drawing a noise-free waveform. To s

CONFIGURATION 65 7. Press Normal. 8. Press Peak-Detect and see that a spike noise is captured. Example The peak detect mode reveals the occas

GDS-1000A Series User Manual 66 Delay Off With Delay Off the expansion point and trigger point are always in the same position. Thus when the hor

CONFIGURATION 67 Real time vs Equivalent time sampling mode Background The oscilloscope automatically switches between two sampling modes, Real-ti

GDS-1000A Series User Manual 68 Display The Display section describes how to configure the display settings: drawing type, waveform accumulation,

CONFIGURATION 69 Example Accumulation off Accumulation on Adjusting the display contrast Procedure 1. Press the Display key. Display 2. Press

SAFETY INSTRUCTIONS 7 SAFETY INSTRUCTIONS This chapter contains important safety instructions that should be followed when operating and storing the

GDS-1000A Series User Manual 70 Horizontal View The Horizontal view section describes how to configure the horizontal scale, position, waveform up

CONFIGURATION 71 Selecting the waveform update mode Background The display update mode is switched automatically or manually according to the hori

GDS-1000A Series User Manual 72 Zooming the waveform horizontally Procedure/ range 1. Press the Horizontal Menu key. MENU 2. Press Window. 3

CONFIGURATION 73 Viewing waveforms in the X-Y mode Background The X-Y mode compares the voltage of Channel 1 and Channel 2 waveforms in a single d

GDS-1000A Series User Manual 74 Horizontal Adjustment Menu Background The horizontal adjustment menu allows markers to be set at different times

CONFIGURATION 75 Navigate markers 7. Press Previous to go to the previous marker. 8. Press Next to go to the next marker.

GDS-1000A Series User Manual 76 Vertical View (Channel) The Vertical view section describes how to set the vertical scale, position, bandwidth lim

CONFIGURATION 77 AC coupling mode. Only the AC portion of the signal appears on the display. This mode is useful for observing AC waveforms mixed

GDS-1000A Series User Manual 78 Procedure 1. Press the Channel key. CH 1 2. Press F5 to toggle between Expand Center and Expand Ground. 3. To

CONFIGURATION 79 Limiting the waveform bandwidth Background Bandwidth limitation puts the input signal into a 20MHz (−3dB) low-pass filter. This f

GDS-1000A Series User Manual 8 Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collection facility or cont

GDS-1000A Series User Manual 80 2. Press F4 repeatedly to select voltage or current probes. 3. Use the variable knob to edit the voltage or cur

CONFIGURATION 81 Trigger The Trigger function configures the conditions by which the oscilloscope captures the incoming signals. Trigger type Edge

GDS-1000A Series User Manual 82 The Auto trigger status appears in the upper right corner of the display. Single The oscilloscope acquires the

CONFIGURATION 83 line 1~263 for NTSC, 1~313 for PAL/SECAM Pulse condition (pulse trigger) Sets the pulse width (20ns ~ 10s) and the triggering con

GDS-1000A Series User Manual 84 Pressing Set to Minimum sets the Holdoff time to the minimum, 40ns. Note: The holdoff function is automatical

CONFIGURATION 85 7. Press Coupling repeatedly to select the trigger coupling, DC or AC. Range DC, AC 8. Press Rejection to select the freque

GDS-1000A Series User Manual 86 4. Press Standard repeatedly to select the video standard. Range NTSC, PAL, SECAM 5. Press Polarity repeate

CONFIGURATION 87 4. Press Mode repeatedly to select the trigger mode, Auto or Normal. To select the Single trigger mode, press the Single key. S

GDS-1000A Series User Manual 88 10. Press Noise Rej to turn the noise rejection on or off. Range On, Off 11. Press Previous menu to go back t

CONFIGURATION 89 USB Port Interface The USB port can be set to auto detect, however occasionally the USB host type cannot be detected. The USB Port

SAFETY INSTRUCTIONS 9 Power Supply WARNING  AC Input voltage: 100 ~ 240V AC, 47 ~ 63Hz  The power supply voltage should not fluctuate more than

GDS-1000A Series User Manual 90 Remote Control Interface The Remote control interface section describes how to set up the USB interface for PC con

CONFIGURATION 91 5. Run this query command via the terminal application. *idn? This command should return the manufacturer, model number, serial

GDS-1000A Series User Manual 92 System Settings The system settings show the oscilloscope’s system information and allow changing the language. Vi

CONFIGURATION 93 Procedure 1. Press the Utility key. Utility 2. Press Language repeatedly to select the language.

GDS-1000A Series User Manual 94 SAVE/RECALL The save function allows saving display images, waveform data, and panel settings into the oscilloscop

SAVE/RECALL 95 Detail Contains the waveform amplitude and time of each point (4k/1M/2M) relative to the trigger point. Fast Only contains the wav

GDS-1000A Series User Manual 96 Note: 2M point memory lengths are only available for time bases slower than 10ns/div on a single channel, and 1 M

SAVE/RECALL 97 Setup file format Format xxxx.set (proprietary format) A setup file saves or recalls the following settings. Contents Acquire  mo

GDS-1000A Series User Manual 98 Using the SD card file utilities Background When an SD card is inserted into the oscilloscope, file utilities (fi

SAVE/RECALL 99 SD card indicator When an SD card is inserted into the oscilloscope, an indicator appears at the right bottom corner of the display.