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f)  Trigger Holdoff 

You can use the Trigger Holdoff function to produce a stable display of complex waveforms. Holdoff is time 

between when the oscilloscope detects one trigger and when it is ready to detect another. The oscilloscope 

will not trigger during the holdoff time. For a pulse train, you can adjust the holdoff time so the oscilloscope 

triggers only on the first pulse in the train.   

 If you want to change holdoff time, please follow next operations: 

1. Press the “TRIG MENU” button to show the “TRIG Menu”. 

2. Press the “Type” option button to select trigger type. 

3. Press the “Set up” option button to enter the “Trigger setup menu”. 

4. Press the “Holdoff” option button, turn the “Universal” knob to change the holdoff time until the 

waveform trigger steadily.  

Note: Use trigger holdoff to help stabilize the display of aperiodic waveforms. 

Fig. 33 Trigger Holdoff

User Manual SMO702, SMO1002

Summary of Contents for SMO1002

Page 1: ...Digital Oscilloscopes SMO702 SMO1002 User Manual ...

Page 2: ...served This instrument contains proprietary information no part of this manual may be photocopied reproduced or translated without any prior written consent Information in this manual supercede all corresponding previous released material Scientific continues to improve products and reserves rights to amend part or all of the specifications procedures equipment at any time without notice Rev 1 00 ...

Page 3: ...rsal Knob F Vertical System A CH1 CH2 Channel b Using Vertical Position Knob and Volt div Knob c Math Functions d Using Ref G Horizontal System a Horizontal Control Knob b Window Zone H Trigger System a Signal Source b Trigger Type c Coupling d Position d Slope Level e Trigger Holdoff I Acquiring Signals System J Display System a X Y Format K Measure System a Scale Measurement b Cursor Measurement...

Page 4: ... h Waveform Recorder i Recorder j Remote Control N Online Help Function Prompting Messages and Troubleshooting A Prompting Messages B Troubleshooting Default Setting Maintenance Despatch Procedure for Service Warranty Conditions 76 77 77 80 80 82 82 85 88 90 95 96 96 96 98 100 101 102 User Manual SMO702 SMO1002 ...

Page 5: ...nput or output terminals Connect the Signal Wire Correctly The potential of the signal wire is equal to the earth so do not connect the signal wire to a high voltage Do not touch the exposed contacts or components Look OverAll Terminals Ratings To avoid fire or electric shock please look over all ratings and sign instruction of the instrument Before connecting the instrument please read the manual...

Page 6: ...d The Responsible body or operator should refer to the instruction manual to preserve the protection afford by the equipment If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Any parts of the device and its accessories are not allowed to be changed or replaced other than authorized by the manufacturer of his agent Safety...

Page 7: ...ide 1024 point FFT i 32 parameters of automatic measurements i Unique Digital Filter Waveform recorder function i Advanced cursor modes Manual Auto Track i Waveform Intensity Grid Brightness can be adjusted i PASS FAIL detection PASS FAIL output i Built in 70 MHz 100 MHz hardware frequency counter i Save recall types Setups Waveforms CSV file Picture i Standard Interface i USB Host Support USB fla...

Page 8: ... 늤 憽要䱄Ⴛↇ 佋䚬情섧䝅䉵 㹱ꓗ鶴 岶 뮼ꢩ璖 늺 쮫억䰞쮗 䞭䵉䑀ꘌ爑 럪 韊 푥 驢뜌ฯ兓 鞸蚧ꦫ ﯽ 쩰 샴 ﰱ 料ẇ霁튧濉䒹僨 ﳉ 솹蕑嬦辋蟭単붹떱 燴 谝깘㼥ꇃ엦 厼頔徴ᆷ쮻务 猾㘁 羀 ꛈ 훸씚 ᐜ 望 睊 筫 Ⱔ ẽ릵넗 䃠㬷 ᘔ隔 淇엃溡 腨ጔ ﬣ 䡪 閝틚퀄㤖羏㼑ꄰ䰠Ⓕꭂ饥嵧 혻㜳馞Ѐ 閝ꖭ 䇒ꒈ犡䂽턴 ꕓ䨖蟞䑀㰸㐰鮙 㰩 忠㐶ӑꏅ 꿤 컮疢 띳 꾫 槏獯ອ 陁 浫黸 겭㸫塚 㔽䗲ȥ軆얥䉖ꍑ䡀 螃㮡 ﴂ 标 뉞 䜮霨 틚 䯾 ׅ 뵎㺻ꦡ 睂ຫꞣ龛霶 갽컧듖 ꗚ 鼈 掊 㨆 ꖭ 쑟ㄅ왶杖ꎛ 鶊焂銓Í獵矌 鶊焂銓Í玕랐 й䇪参慦敭Ꭵ 婹䒫ኋ圧ᣌ烖퉱 鶊焂銓Í鿁 㝫玧렧涸툋Ｎ峼礴Ⱬ 鶊焂銓Í יִ 㽠ⷺ й巆嵽칯ꊱ헅ӏᢑ㸊睳 鶊焂銓Í 捥 㜿䟶徑䍉菼䀰쟜ꝳ 徫 猦엁붹 굡3 鶊焂銓Í 슏붿 ג 툆 틢旎洿ᇢ鄲怠鶱䣰鶕䰘ᄖ浩敡워쟃 㹱 鏈 ﱡ 䞰网诨墇娨篴뾷荎ᩔ릵 鶊焂銓挊భ ...

Page 9: ...veform 20 setup files 10 captured waveform files USB Setups Waveforms CSV file BMP Interface USB HOST USB DEVICE RS232C PASS FAILOUT Display System Display Screen TFTLCD display 7 0 Resolution 480 horizontal x 234 vertical pixels Color 24 bit Waveform Display Scale 8 x 18 div Storage Interface Type Dots Vector Interpolation Sinx x Linear Persistence Off 1 sec 2 sec 5 sec Infinite General Informati...

Page 10: ...rrent menu in virtue of them Other buttons are function buttons you can enter different function menus or obtain given function application in virtue of them User Display Interface 10 MO 002 S 1 Digital Oscilloscope 0 1 0MHz 1GSa s Option Softkeys Menu On Off Universal Knob Common Function Horizontal Control Auto Button Trigger Control Probe Component Input Channels Vertical Control Print Key USB ...

Page 11: ...L POSITION knob to adjust the position of the marker 4 Print Key Indicates whether the Print Key option is set to Print Pictrure or Save Picture Print Key option is set to Print Picture Print Key option is set to Save Picture 5 Back USB Indicates whether the Back USB option is set to USBTMC or Printer Back USB option is set to USBTMC Back USB option is set to Printer 6 Show the trigger level symbo...

Page 12: ...Rear Side Panel Controls The following images show back and side panel connection locations 1 Security Lock Receptacle 2 Pass Fail Output 3 RS 232 Connector 4 USB Device Connector 5 Power Input Connector 12 User Manual SMO702 SMO1002 ...

Page 13: ...tional interruption is prohibited The mains line plug should be inserted before connections are made to measuring circuits When removing or replacing the metal case the instrument must be completely disconnected from the mains supply If any measurement or calibration procedures are unavoidable on the opened up instrument these must only be carried out by qualified personnel acquainted with the dan...

Page 14: ...and twist to the right to lock the probe in place Connect the probe tip and reference lead to the PROBE COMP connectors 3 Press AUTO to show the 1 kHz frequency and about 3V peak peak square wave in couple seconds 4 Press CH1 two times to cancel the channel 1 Press CH2 to change screen into channel 2 reset the channel 2 as step 2 and step 3 14 User Manual SMO702 SMO1002 Fig 4B Fig 4C ...

Page 15: ...enuation Setting Probes are available with various attenuation factors which affect the vertical scale of the signal The Probe Check function verifies that the Probe attenuation option matches the attenuation of the probe You can push a vertical menu button such as the CH 1 MENU button and select the Probe option that matches the attenuation factor of your probe Note The default setting for the Pr...

Page 16: ...1 on the oscilloscope If you use the probe hook tip ensure a proper connection by firmly inserting the tip onto the probe 2 Attach the probe tip to the PROBE COMP 3V connector and the reference lead to the PROBE COMP Ground connector Display the channel and then push the AUTO button 3 Check the shape of the displayed waveform Over Compensated Correctly Compensated Under Compensated 4 If necessary ...

Page 17: ... and control button Connector Auto Setup Default Setup Universal knob Vertical System Horizontal System Trigger System Acquiring signals System Display System Measuring waveforms System Measure System Utility System Storage System Online Help function A Menu and Control Button Showing as the following picture Fig 6 User Manual SMO702 SMO1002 ...

Page 18: ... menu You can use the Save Recall menu to save and recall up to 20 oscilloscope setups or waveforms in internal memory up to 20 waveforms or on a USB memory device limited by memory capacity of USB device You can also use it to recall the default factory settings to save waveform data as a comma delimited file CSV and to save or print the displayed waveform image ACQUIRE Press to display Acquire m...

Page 19: ...ation output and ground Use to electrically match the probe to the oscilloscope input circuit Note If you connect a voltage source to a ground terminal you may damage the oscilloscope or the circuit under test To avoid this do not connect a voltage source to any ground terminals C Auto Setup The SMO Series Digital Oscilloscopes have a Auto Setup function that identifies the waveform types and auto...

Page 20: ...voked No signals found and no channels displayed oscilloscope displays and uses channel 1 Table 1 Auto Set function Menu Function Setting Acquire Mode Adjusted to Sampling Display Format Y T Display Type Set to Dots for a video signal set to Vectors for an FFT spectrum otherwise unchanged Vertical Coupling Adjusted to DC or AC according tothe input signal Bandwidth Limit Off full V div Adjusted VO...

Page 21: ...libration data E Universal Knob You can use the Universal knob with many functions such as adjusting the holdoff time moving cursors setting the pulse width Setting the Video Linage adjusting the upper and lower frequency limit adjust X and Y masks when using the pass fail function etc You can also turn the Universal knob to adjust the storage position of setups waveforms pictures when saving reca...

Page 22: ...22 CH1 CH2 Channel Table 3 CH1 CH2 function menu 1 Table 4 CH1 CH2 function menu 2 Table 5 Digital Filter function User Manual SMO702 SMO1002 ...

Page 23: ... component could be obstructed Press CH1 Coupling GND Set to GROUND mode It disconnects the input signal 2 Bandwidth Limiting Take the CH1 for example the tested signal is a pulse signal with the high frequency surge Press CH1 BW Limit On Set the band width Limited to open state The high frequency component which is higher than 20MHz obstructed Press CH1 BW Limit Off Set bandwidth Limited to close...

Page 24: ...ps between the coarse settings It will be helpful when you need to adjust the waveform vertical size in smooth steps 4 Setting Probe Attenuation In order to assort the attenuation coefficient you need to response in the channel operation Menu If the attenuation coefficient is 10 1 the input coefficient should be set to 10X so that the mistake of the Volts div information and measure testing should...

Page 25: ...ilter Type then select Upper Limit or Lower Limit and turn the Universal knob to adjust them Press CH1 Next Page page1 3 Filter Off Turn off the Digital Filter function Press CH1 Next Page page1 3 Filter On Turn on the Digital Filter function Display screen after turning On filter is as shown in Fig 16 on next page Fig 15 Waveform Invert Fig 16 Digital Filter Off User Manual SMO702 SMO1002 ...

Page 26: ... When you turn the volts div knob the oscilloscope increases or decreases the vertical size of the waveform on the screen with respect to the ground level 2 When you press the Volt div Knob you can switch Volt div option between Coarse and Fine The vertical scale is made sure by the 1 2 5 step in the Coarse Increase in the clockwise reduce in the anticlockwise In the fine mode the knob changes the...

Page 27: ...e to view the following types of signals Analyze the Humorous wave in the Power cable Test the Humorous content and distortion in the system Show the Noise in the DC Power supply Test the filter and pulse response in the system Analyze vibration Table 7 MATH function menu Fig 18 Math Waveform Table 8 FFT function menu 1 User Manual SMO702 SMO1002 ...

Page 28: ...le set the oscilloscope to display many signal cycles To display FFT correctly follow these steps 1 Push the MATH button 2 Set the Operation option to FFT 3 Press Source button to select CH1 or CH2 according to input signal channel 4 According to Nyquist law turn the S div knob to adjust the sampling rate This parameter is displayed behind the time base parameter is at least double than input sign...

Page 29: ...an FFT Zoom option to magnify horizontally press this option button to select 1X 2X 5X or 10X Moreover you also can turn the Universal knob to magnify FFT waveform horizontally in a 1 2 5 step To magnify vertically you can turn the Volts div knob 5 Measuring an FFT Spectrum Using Cursors You can take two measurements on FFT spectrums magnitude in dB and frequency in Hz Magnitude is referenced to 0...

Page 30: ...st point of the FFT waveform 13 Press the CurB option button turn the Universal knob to move Cursor B to the lowest point of the FFT waveform 14 The amplitude T displays on the top of the left screen 2 Measure FFT Frequency 1 Press the CURSOR button 2 Press the Cursor Mode button to select Manual 3 Press the Type option button to select Time 4 Press the Source option button to select MATH 5 Press ...

Page 31: ...ce waveform menu 2 Press the Source option button to select input signal channel 3 Turn the vertical POSITION knob and Volt div knob to adjust the vertical position and scale to conformable positions 4 Press the third option button to select REFA or REFB as storage position 5 Press the Save option button 6 Press the bottom option button to select REFA On or REFB On to recall the reference waveform...

Page 32: ...l 500MSa s or lower 20kpts 2Mpts Double Channels 500MSa s or lower 20kpts 1Mpts a Horizontal Control Knob You can use the horizontal controls to change the horizontal scale and position of waveforms The horizontal position readout shows the time represented by the center of the screen using the time of the trigger as zero Changing the horizontal scale causes the waveform to expand or contract arou...

Page 33: ...loscope enters the scan acquisition mode In this mode the waveform display updates from left to right There is no trigger or horizontal position control of waveforms during scan mode b Window Zone Use the Delayed option to define a segment of a waveform to see more detail The Window time base setting cannot be set slower than the Main time base setting You can turn the Horizontal Position and SEC ...

Page 34: ...plete the current waveform acquisition whether the oscilloscope detects a trigger or not This is useful for SINGLE acquisitions and Normal trigger mode Pre trigger Delayed trigger The data 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 surveyed More data of pre ...

Page 35: ... five trigger types Edge Video Pulse Slope and Alternative Edge Trigger Use Edge triggering to trigger on the edge of the oscilloscope input signal at the trigger threshold Table 14 Edge Trigger function Menu User Manual SMO702 SMO1002 ...

Page 36: ...p Trigger mode Press the Trigger mode option button to select Auto Normal Single Auto The waveform refresh at a high speed whether the trigger condition is satisfied or not Normal The waveform refresh when the trigger condition is satisfied and waits for next trigger event occurring when the trigger condition is not satisfied Single The oscilloscope acquire a waveform when the trigger condition is...

Page 37: ...r the Trigger Setup Menu 2 Press the Coupling option button to select DC AC HF Reject or LF Reject Pulse Trigger Use Pulse Width triggering to trigger on aberrant pulses Table 16 Pulse Trigger function Menu 1 Fig 26 Pulse Trigger Mode A User Manual SMO702 SMO1002 ...

Page 38: ...Trigger menu 2 Press the Type option button to select Pulse 2 Set up condition Press the When option button to select or 3 Set up the pulse width Turn the Universal knob to set up width Table 17 Pulse Trigger function Menu 2 Fig 27 Pulse Trigger Mode B User Manual SMO702 SMO1002 ...

Page 39: ...39 Video Trigger Trigger on fields or lines of standard video signals Table 18 Functional Menu of Video Trigger 1 Table 19 Functional Menu of Video Trigger 2 User Manual SMO702 SMO1002 ...

Page 40: ...o select or 3 Set up synchronization 1 Press the Sync option button to select All Lines Line Num Odd Field and Even Field 2 If you select Line Num you can turn the Universal knob to set the appointed line number 4 Set up Standard 1 Press the Next Page Page 2 2 option button 2 Press the Standard option button to select PAL SECAM or NTSC Fig 28 Video Trigger Mode User Manual SMO702 SMO1002 ...

Page 41: ...41 Slope Trigger Trigger on positive slope of negative slope according to setup time of the oscilloscope Table 20 Slope trigger function menu 1 Fig 29 Slope Trigger Mode A User Manual SMO702 SMO1002 ...

Page 42: ...nal to CH1 or CH2 2 Press the AUTO button 3 Press the TRIG MENU button to enter Trigger menu 4 Press the Type option button to select Slope 5 Press the Source option button to select CH1 or CH2 Fig 30 Slope Trigger Mode B Table 21 Slope trigger function menu 2 User Manual SMO702 SMO1002 ...

Page 43: ...L knob Alternate Trigger The trigger signal comes from two vertical channels when you use alternative trigger In this mode you can observe two irrelative signals at the same time You can select different trigger types for two vertical signals and selected types cover edge pulse video and slope trigger Trigger information of two channel signals display on the bottom right of the screen Fig 31 Alter...

Page 44: ... Table 23 Set trigger mode to pulse trigger function menu 1 Table 24 Set trigger mode to pulse trigger function menu 2 Table 25 Set trigger mode to video trigger function menu1 User Manual SMO702 SMO1002 ...

Page 45: ... Table 26 Set trigger mode to video trigger function menu 2 Table 27 Set trigger mode to slope trigger function menu 1 Table 28 Set trigger mode to slope trigger function menu 2 User Manual SMO702 SMO1002 ...

Page 46: ...r us to gather a steady wave form If you use the trigger coupling you should press the TRIGGER button and then select edge Pulse Video or Slope trigger Then select the coupling option in Set up menu d Position The horizontal position control establishes the time between the trigger position and the screen center You can adjust the horizontal POSITION knob control to view waveform data before the t...

Page 47: ...loscope triggers only on the first pulse in the train If you want to change holdoff time please follow next operations 1 Press the TRIG MENU button to show the TRIG Menu 2 Press the Type option button to select trigger type 3 Press the Set up option button to enter the Trigger setup menu 4 Press the Holdoff option button turn the Universal knob to change the holdoff time until the waveform trigger...

Page 48: ...ing In this acquisition mode the oscilloscope samples the signal in evenly spaced intervals to construct the waveform This mode accurately represents signals most of the time Advantage You can use this mode to reduce random noise Disadvantage This mode does not acquire rapid variations in the signal that may occur between samples This can result in aliasing may cause narrow pulses to be missed In ...

Page 49: ...cope can acquire and display narrow pulses which may have otherwise been missed in Sample mode Disadvantage Noise will appear to be higher in this mode Average The oscilloscope acquires several waveforms averages them and displays the resulting waveform Advantage You can use this mode to reduce random noise Fig 35 Sampling Mode Fig 36 Peak Detect mode User Manual SMO702 SMO1002 ...

Page 50: ... trigger it completes the acquisition and stops When you push the RUN STOP or SINGLE buttons to start an acquisition the oscilloscope goes through the following steps 1 Acquire enough data to fill the portion of the waveform record to the left of the trigger point This is also called the pre trigger 2 Continue to acquire data while waiting for the trigger condition to occur 3 Detect the trigger co...

Page 51: ... an unstable waveform Operate Introduction Set up Sampling Format You can press the Acquisition option button or turn the Universal knob to select Sampling mode Peak Detect mode or Average mode Set up Averages When you select Average format you can press the Averages option button to select 4 16 32 64 128 or 256 Set up function interpolation You can also turn Sins x interpolation on or off Press t...

Page 52: ...sing the Sa Rate option button and turning the Time div front panel knob The sampling rate is shown at the corresponding timebase scale J Display System The display function could be expressed by the DISPLAY Button Fig 40 Linear interpolation Setting Fig 41 Display System Table 30 Display system function menu 1 User Manual SMO702 SMO1002 ...

Page 53: ...53 Fig 42 Display System Setting A Table 31 Display system function menu 2 Fig 43 Display System Setting B User Manual SMO702 SMO1002 ...

Page 54: ...tness option button and turn the Universal knob to adjust grid brightness 5 Set up display format 1 Press the Next Page option button to enter second display menu 2 Press the Format option button to select YT or XY 6 Set up Screen Press the Screen option button to select Normal or Inverted to set the screen display color 7 Set up Grid Press the Grid option button to select or to set the screen whe...

Page 55: ...unctions are forbidden at XY display form Benchmark wave form and wave mathematic Cursor Auto resets display format to YT Trigger Control Horizontal Position Knob Vector Display Type Scan Display K Measure System The Oscilloscope displays the voltage in relation to time and test the wave form displayed There are scale Cursor and auto measure modes a Scale Measurement This method allows you to make...

Page 56: ... to move cursor1 and cursor2 They could be moved when the corresponding cursor option are selected and cursor value will display on the bottom left and top left of the screen when you move the cursor To do manual cursor measurements follow these steps 1 Press CURSOR button to enter the cursor function menu 2 Press the Cursor Mode option button to select Manual 3 Press the Type option button to sel...

Page 57: ...atically You could adjust cursor s horizontal position on the waveform by turning the Universal knob The oscilloscope displays the values on the top of the right screen To do track cursor measurement follow these steps 1 Press CURSOR button to enter the cursor measure function menu 2 Press the Cursor Mode option button to select Track 3 Press the Cursor A option button to select the input signal c...

Page 58: ...lue between two cursors 1 T The reciprocal of horizontal space between cursor A and cursor B V Vertical space between Cursor A and Cursor B Voltage value between two cursors Auto mode This mode will take effect with automatic measurements The instruments will display cursors while measuring parameters automatically These cursors demonstrate the physical meanings of these measurements To do auto cu...

Page 59: ...59 Fig 45 B Cursor Measurement Auto Mode User Manual SMO702 SMO1002 ...

Page 60: ...nts they are more accurate than the graticule or cursor measurements Press the MEASURE for the Automatic Test There are three auto measurement types Voltage Measure Time Measure and Delay Measure There are thirty two measure parameters in all Table 36 Auto measure function menu 1 Fig 46 Measure Menu Selection Fig 47 Auto Menu Function User Manual SMO702 SMO1002 ...

Page 61: ...61 Table 37 Auto measure function 2 Voltage measure menu Table 38 Auto measure function3 Time measure menu Table 39 Auto measure function4 Delay measure menu User Manual SMO702 SMO1002 ...

Page 62: ...62 Table 40 All Measurement function menu User Manual SMO702 SMO1002 ...

Page 63: ...63 Table 41 Introduction of the Measure Type User Manual SMO702 SMO1002 ...

Page 64: ...ment menu The selected parameter and the corresponding value will display on the top first position of the home page You can display the other parameters and its value on the corresponding position using the same way and the screen can display five parameters at one time If you want to measure time parameters using all measure function please follow next steps 1 Press the MEASURE button to enter t...

Page 65: ...o a USB flash drive furthest at a time Setup data and waveform data can be recalled to the current oscilloscope or the other same model oscilloscopes Picture data and CSV file can t be recalled to the oscilloscope but it can be opened on the correlative computer software Using SAVE RECALL Screen The SAVE ALL screen is divided into functions based on Directories or Files Directories shows option bu...

Page 66: ...ttons to give an existing folder of file a new name or to exit the SAVE REC ALL screen respectively Creating Folders and Files Create new folders and files by pressing the New Folder or New File option button The following screen is shown on next page The New Filemenu choices and behavior is the same as the New Folder menu It just has a different heading The InputChar option button adds the select...

Page 67: ... to save the file onto the memory device After the Confirm option button is pressed a Data Store Success messages briefly shown and the new folder or file is shown on your USB flash drive SAVE RECALL SETUP Save Setups to Devices The complete setup is stored in nonvolatile memory When you recall the setup the oscilloscope will be in the mode from which the setup was saved The oscilloscope saves the...

Page 68: ...he Display menu 6 Press the Type option button to select Dots 7 Press the SAVE RECALL button to enter the SAVE RECALL menu 8 Press the Save option button Recalling setup follow next steps 1 Press the SAVE RECALL button to enter the SAVE RECALL display menu 2 Press the Type option button to select Setups 3 Press the Save to option button to select Device 4 Press the Setup option button or turn the ...

Page 69: ...ext page option button and press the Rename option button to modify the name of the file or the folder 10 Turn the Universal knob to select the folder and press the Confirm option button and you save the set to the USB drive Recall setup data from USB flash drive follow next steps 1 Press the SAVE RECALL button 2 Press the Type button to select Setups 3 Insert USB flash drive to USB host port of t...

Page 70: ...70 SAVE RECALL WAVEFORM Save waveforms to Device Table 44 Factory function menu Fig 55 SAVE RECALL Screen G Table 45 Save waveform to device function menu User Manual SMO702 SMO1002 ...

Page 71: ... the Volts div knob or S div knob to adjust the waveform that you want to need 7 Press the Save option button Recall waveforms follow next steps 1 Press the SAVE RECALL button to enter SAVE RECALL display menu 2 Press the Type option button to select waveforms 3 Press the Save to option button to select Device 4 Press the waveform option button or turn the Universal knob to select No 1 5 Press the...

Page 72: ...ved to USB flash drive Recall waveforms form USB flash drive follow next steps 1 Press the SAVE RECALL button 2 Press the Type button to select Waveforms 3 Insert USB flash drive to USB host port of the oscilloscope and wait that the oscilloscope has initialized USB flash drive about five seconds 4 Press the Save to option button to select File 5 Press the Save option button then go into the Save ...

Page 73: ...en press the Confirm button about five seconds there is a prompting message that Save data success displaying on the screen now picture data have been saved to USB flash drive Save Recall CSV Save CSV file to USB flash drive follow these steps 1 Press the SAVE RECALL button to enter SAVE RECALL menu 2 Press the Type option button to select CSV 3 Insert USB flash drive to USB host port of the oscil...

Page 74: ... there is a prompting message that Save data success displaying on the screen now CSV file has been saved to USB flash drive M Utility System Fig 58 SAVE RECALL Screen J Fig 59 Utility System Menu Selection Table 49 Utility System function menu 1 User Manual SMO702 SMO1002 ...

Page 75: ...75 Fig 59 Utility System Menu Page1 Table 50 Utility System function menu 2 Fig 60 Utility System Menu Page 2 User Manual SMO702 SMO1002 ...

Page 76: ...Function Menu of the Utility System Fig 61 Utility System Menu Page 4 a System Status Press the System Status option button of the Utility Menu to view the oscilloscope s hardware and software configuration Fig 62 System Status User Manual SMO702 SMO1002 ...

Page 77: ... to select language c Print The scope support PictBridge compatible printers You can connect the back USB port of the oscilloscope to the USB port of the PictBridge compatible printer using the USB cable Table 53 System status instruction Fig 63 Language Setting Fig 64 Print Setup Page 1 User Manual SMO702 SMO1002 ...

Page 78: ...78 Table 54 Print setup option function menu 1 Table 55 Print setup option function menu 2 User Manual SMO702 SMO1002 ...

Page 79: ...the Back USB option button to select Printer 5 Press the Print Setup option button to display Print setup menu 6 Set up the print setup option according to your need The oscilloscope queries the printer and only displays options and values that the printer supports If you are not sure which setting to choose select Default for each option 7 Press the Print Key option button to select Print Picture...

Page 80: ...and lead Then press the Utility button to choose the Do self cal to show the self Calibration Menu and execute self calibration program according to the prompting on the screen e Self Test Press UTILITY Do Self Test Operation Steps 1 Screen Test Select Screen Test to enter the screen test interface The clew words Press SINGLE Key to continue Press RUN STOP Key to exit is displayed you could press ...

Page 81: ...CD or white single LCD At the bottom of the screen display Press RUN STOP Key Three Times to exit information prompt to show that press RUN STOP three times for quitting the test 3 LED test Select LED Test to enter the lighten interface the on screen lathy rectangle shapes represent the front panel keys the lathy rectangle shapes represent the front panel knobs The squares represent the knob press...

Page 82: ...third page of Utility menu 4 Press the Update Firmware option button 5 Press the SINGLE button to start updating the software according to prompt on the screen Turn off the oscilloscope and turn on it again the software has been updated The oscilloscope needs to execute Do Self Cal after update Note Don t cut off the power while the oscilloscope is updating g Pass Fail The Pass Fail function can m...

Page 83: ...83 Fig 70 Pass Fail Setup Page 2 Table 58 Pass Fail function menu 2 Table 59 Mask Setting function menu 1 User Manual SMO702 SMO1002 ...

Page 84: ...5 Press the Enable Test option button to select On 6 Press the Source option button to select input signal channel 7 Press the Next Page Page1 2 option button to enter the second page of the Pass Fail menu 8 Press the Mask Setting option button to enter the first page of Mask menu 9 Press the X Mask button turn the Universal knob to adjust the horizontal clearance Fig 71 Mask Setting Setup Page 1 ...

Page 85: ... function menu press the Operate option button to select to run the pass fail test h Waveform Record Waveform record can record input waveform from CH1 and CH2 with a maximum record length of 2500 frames This record behavior can also be activated by the pass fail test output which makes this function especially useful to capture abnormal signals in long term without keeping an eye watching it Wave...

Page 86: ...Record 5 Press the Source option button to select the input signal channel 6 Select Interval option turn the Universal knob to adjust time interval between record frames 7 Select End Frame select the Universal knob to adjust the max record frame 8 Press in Operate option to record waveform Play Back Play back current record waveforms or saved record waveforms Fig 74 Waveform Record Function 1 Tabl...

Page 87: ...the Mode option button to select Play Back 3 Press the Play Mode option button to select or 4 Press the Interval option button to select time interval between play back frames Fig 75 Waveform Record Function 2 Table 63 Waveform play back function menu 2 Fig 76 Waveform Record Function 3 User Manual SMO702 SMO1002 ...

Page 88: ...o return the first page of Play Back menu 9 Press the option button in Operate option to play back waveforms i Recorder The waveform recorder is a kind of seamless and no gap real time recording of waveform means oscilloscope can save and replay waveform every time it captured It is similar to waveform recording instrument and the biggest recording size of its internal memory is 6 M Table 64 Wavef...

Page 89: ...89 Fig 77 Waveform Replay Function 1 Table 66 Recorder s setting menu Fig 78 Waveform Replay Function 2 User Manual SMO702 SMO1002 ...

Page 90: ...lease refer to Programming Manual Use PC software User can send command to remotely control the oscilloscope through PC software EsayScope Besides Measurement Automation Explorer which provided by NI National Instruments Corporation also can be used to control the oscilloscope This oscilloscope can communicate with a PC by a USB bus This part will show how to use PC software EsayScope to remotely ...

Page 91: ...91 User Manual SMO702 SMO1002 ...

Page 92: ...92 User Manual SMO702 SMO1002 ...

Page 93: ...93 User Manual SMO702 SMO1002 ...

Page 94: ...nstrument information which has been researched is as the picture below It shows the instrument number and the USB interface information Communicate test Click SCPI control and choose common SCPI IDN click Enter to send command The software will accept the data and display the instrument information See picture below EsayScope User Manual SMO702 SMO1002 ...

Page 95: ... enter the help status because you press the SINGLE button can enter next page of help information and Press the RUN STOP button can return to the first page of help information when other button s help information exceed one page All submenus of every main menu have their help information Note If you want to see help information of next page submenus first you need to press the HELP button to exi...

Page 96: ...veforms or setups on some location the screen will display this information when you press the Recall button on this location USB Flash Drive Plug In This information will appear when you invert the USB Flash Drive to the USB Host port USB Flash Drive Pull Out This information will appear when you pull out the USB Flash Drive Store Data Success Save setup data waveform data or picture data to the ...

Page 97: ... use the Video Trigger mode The signal would display steady only using the matching trigger mode Attempt to change the coupling into HF Reject or LF Reject display so that the High low frequency noise disturb the trigger should be filtrated 5 Press RUN STOP button but no display please do the following steps Check the trigger mode on the trigger interface whether or not in the normal or single and...

Page 98: ...98 Default Setting User Manual SMO702 SMO1002 ...

Page 99: ...99 User Manual SMO702 SMO1002 ...

Page 100: ...the instrument regularly with a dusting brush Dirt which is difficult to remove on the casing plastic parts can be removed with a moist cloth 99 water 1 mild detergent spirit or washing benzene petroleum ether can be used to remove greasy dirt The display may be cleaned with water or washing benzene but not with spirit alcohol solvents it must then be wiped with a dry clean lint free cloth Under n...

Page 101: ... noticed 1 After receipt of your communication our service department will advise you whether it is necessary to send the instrument back to us for repairs or the adjustment is possible in your premises 2 Despatch the instrument only on the receipt of our advise securely packed in original packing duly insured and freight paid alongwith accessories and a copy of the faults details noticed at our S...

Page 102: ...amage caused by accident negligence mis application alteration or attempt to repair service or modify in any way 3 This warranty does not include display fuses batteries or accessories This warranty is only valid with the original purchaser who must have properly registered the product within 15 days from date of purchase No other warranty is expressed or implied 4 When it becomes necessary to ret...

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