VDS Series PC Oscilloscopes User Manual
Contents
1. Automatic measurement works under this function Totally twenty kinds of measurements At most 8 types of measurements could be displayed on the bottom left of the screen The oscilloscopes provide 20 parameters for auto measurement including Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Period Rise Time Fall Time Delay AB Delay A B Width Width Duty Duty Show All Choose channel from the list on the right side of Show All a pop up window will show all the measurement values Add measurement Check the channel and measurement type Measurement results display on the bottom left You can add 8 types at most for each channel If 8 types are exceeded the former option will be canceled The measured values of two channels can be displayed simultaneously Remove measurement Uncheck the measurement type to remove it Click Remove All to remove all measurements The automatic measurement of voltage parameters The VDS series oscilloscopes provide automatic voltage measurements including Vpp Vmax Vmin Vavg Vamp Vrms Vtop Vbase Overshoot and Preshoot Figure below shows a pulse with some of the voltage measurement points Overshoot Vmax AY V top y Pz Vamp Voase Vmin Preshoot Vpp Peak to Peak Voltage Vmax The maximum amplitude The most positive peak voltage measured over the entire waveform Vmin The minimum amplitude The most negative peak voltage measured over the entire wa2. Run Create Rule Horizontal Div Vertical 0 2 i Div E Message Show B Ring E Stop Once Rule save J Use J Renove CH2 H0 20div V 0 20div Detect whether the input signal is within the limits of the rule if it exceeds limits of the rule it is Fail otherwise it is Pass Also it can output fail or pass signal by built in and configurable output port To run the test read the following steps 1 Choose channel Options include CH1 CH2 and Math 2 Set horizontal tolerance and vertical tolerance You can adjust by or input directly 3 Click Create Rule 4 Set output type Choose Pass or Fail Check or uncheck Ring Message Show and Stop Once as needed Ring The bell rings when it meets the rule Stop Once Stop once it meets the rule Message Show Display the counting message on the left top 5 Enable switch on Click Enable 6 Begin to test Click Run 7 Stop testing Click Stop le Pass Fail D Horizontal ERE piv Vertical oz Div bj Ei Message Show B Ring E Stop Once Rule save use K Renove CH2 H0 20div W 0 20div 25 Save rule Save Save current rule Use Load the selected rule in the list as the testing rule Remove Remove the selected rule in the list 13 How to Record and Play a Waveform Wave Record function can record the input current wave You can set the interval between recorded frames and get better analysis effect with playback and storage
3. OWON VDS Series PC Oscilloscopes User Manual Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 PU Westous ae ww TestedUipmentDepot cory Dec 2013 edition V1 3 Copy Right in this Manual Lilliput Company All rights Reserved The Lilliput s products are under the protection of the patent rights in America and other countries including ones which have already obtained the patent rights and those which are applying for The information in this manual will replace all that in the materials published originally The information in this manual was correct at the time of printing However OWON will continue to improve products and reserves the rights to changes specification at any time without notice OWON is the registered trademark of the Lilliput Company Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 600 517 8431 Toll Free 1 800 517 8431 General Warranty Lilliput warrants that the product will be free from defects in materials and workmanship for a period of 3 years from the date of purchase of the product by the original purchaser from the Lilliput Company And the warranty period of accessories such as probe is 12 month This warranty only applies to the original purchaser and is not transferable to the third party If the product proves defective during the warranty period Lilliput either will repair the defective produc
4. Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Automatic Period Rise Time Fall Time Delay A B Delay ABT Width Width Measurement Duty Duty Waveform Math Bie ee es Bandwi Full bandwidth 3 degrees Lissajous figure VDS1022 I VDS2052 I Communicatio VDS2062 VDS3102 VDS2064 VDS3104 USB2 0 LAN Optional synchronizing input Synchronizing output Signal type Multi function Pass Fail output External trigger input Interface External refers to trigger in trigger output or Pass Fail output Trigger Trigger level Internal 5 div from the screen center range Trigger According to Record length and time base displacement Trigger Holdoff 400ns 10s range 50 level setting typical cage wear _faope Rising Faliro Positive pulse gt lt negative pulse gt lt VDS1022 1 Pulse trigger VDS2052 1 Pulse Width range 30ns 10s Input signal frequency 250Hz Trigger condition reece eal standard NTSC PAL and Modulation Spon broadcast reece eal Video Trigger Line number range 1 525 NTSC and 1 625 PAL SECAM Modulation Positive pulse gt lt Slope Trigger Trager condtion Trager condtion negative pulse gt lt 35 Performance Characteristics Time setting ee VDS2052 1 VDS2062 30ns 10s VDS3102 VDS2064 VDS3104 Trigger on CH1 Edge Pulse Video Slope Alternate Trigger Trigger o
5. ae Processors EE SCSI and RAID controllers a Sound video and game controllers H System devices Universal Serial Bus controllers rE l l F E l EE Now you can use the program and use if for USB communication If there is an early version of USB driver in your computer you could try running reinstall bat to fix the file is under the directory of USBDRV ll User Interface 1 2 3 4 9 6 789 10 Trigger 11 7 Q Single Alternate i m Source Mode 13 Trigger 1 080 V Trig Mode 14 iim E Fesot 23 22 gt 2l 70 Hit S g y BR u 10 70 u ESD wes Di LH i 1 Waveform Display Area 2 Display status click to choose Disconnect Install USB Driver or Connect LAN Refer to the instruction of the status after this list 3 The red pointer indicates the horizontal position for the trigger 4 The pointer indicates the trigger position in the internal memory 5 Measure time with cursors 6 The two yellow dotted lines indicate the size of the viewing expanded window T Auto set see 15 How to Use Executive Buttons 8 Run Stop see 15 How to Use Executive Buttons 9 Single Trigger see 15 How to Use Executive Buttons 10 Back to Home menu 11 Hide the menu 12 Measure voltage with cursors 13 The red pointer shows the trigger level position for CH1 yellow for CH2 It can be dragged up and down 14 F Function menu click A to show hide 15
6. choose Math Check Math 3 Choose the factors and operator Select the voltage division of M The software transforms the waveform data of the two factors into selected voltage division of M and calculates The green calculated waveform M is displayed in the screen E Math em Voltage Idiv E FFT Using FFT function The FFT fast Fourier transform math function mathematically converts a time domain waveform into its frequency components It is very useful for analyzing the input signal on Oscilloscope You can match these frequencies with known system frequencies such as system clocks oscillators or power supplies FFT function in this oscilloscope transforms 2048 data points of the time domain signal into its frequency components mathematically and the final frequency contains 1024 points ranging from OHz to Nyquist frequency Taking the FFT operation for example the operation steps are as follows 1 Click fi to show Function menu choose Math Check FFT The user interface is switched into Three View mode 2 Set Channel Window Format Scale Frequency Base 3 You can drag anywhere in FFT window to move the signal up and down and side to side 21 To select the FFT window There are four FFT windows Each one has trade offs between frequency resolution and magnitude accuracy What you want to measure and your source signal characteristics help you to determine which window to use Use the following
7. g3 Shortcut icon of resetting to factory settings see Default Shortcut icon of exporting waveform see Pause amp Export Ed Switch Three View One View In the Three View display mode the left top is XY mode widow the right top is FFT window snownide Function menu 16 Trigger window see 4 How to Set the Trigger System lt 17 Sample and Period window see 3 How to Set the Horizontal System 18 19 Channel window of CH2 and CH1 see 2 How to Set the Vertical System 20 Display the measured type and value of the corresponding channel see 6 How to Measure Automatically 21 Cursor measure window see 8 How to Measure with Cursors 22 23 The yellow pointer shows the grounding datum point zero point position of the CH2 waveform If the pointer is not displayed it means that this channel is turned off Red pointer is for CH1 24 The waveform of CH1 Keyboard Shortcuts Space Run Stop Enter Auto set Q The voltage division of Channel 1 decreases one level A The voltage division of Channel 1 increases one level W The voltage division of Channel 2 decreases one level 10 S The voltage division of Channel 2 increases one level lt Time base decreases one level Time base increases one level F1 Open this help document Instruction of the status information Auto Automatic trigger mode Ready Ready for a trigger Trig d Has trigged scan Slow scan Stop Data acquisition stopped Error Error oc
8. 5OMHz VDS2062 60MHz Bandwidth VDS3102 100MHz VDS2064 6O0MHz VDS3104 100MHz VDS1022 1 VDS2052 I gt 4 4 External VDS2062 Channel VDS3102 VDS2064 x VDS3104 4 1 External Normal Peak detect Averaging ual CH 100MS s Single CH 100MS s ual CH 250MS s Single CH 250MS s ual CH 250MS s Single CH 500MS s ual CH SOOMS s Single CH 1GS s VDS2064 Four CH 125MS s VDS1022 1 VDS2052 1 Acquisition Sample rate real time VDS2062 VDS 3102 UJ Dual CH 250MS s Single CH 500GS s VDS3104 DualCH 500MS s Single CH 1GS s Input coupling DC AC Ground Input impedance 1MQ 2 in parallel with 10pF 5pF Probe attenuation 1X 10X 100X 1000X factor VDS1022 1 400V PK PK DC AC VDS2052 1 PK PK 40V PK PK DC AC PK Pk Max input voltage Channel channel BOHz 100 1 isolation 1OMHz 40 1 Time delay between 150ps channel typical I Single CH Single CH Single CH Single CH Single CH Single CH Horizontal Interpolation E System o XY 1 aha 5K Single CH S2mpling rate lt Max lt Max allan 10M Single CH _ S2mpling rate Four CH Dual CH Single CH Four CH Dual CH Single CH lt O o O NO N lt J op N O a Sampling rate range VDS2064 VDS3104 lt lt O O O o Q N O O O NO N lt O ep O N N lt O U N O O1 N Max Record length VDS3102 lt Max sampling rate VDS2064
9. Period Duty Duty Cycle defined as Width Period 16 7 How to Implement Sampling Setup Click Q to show Function menu choose Sampling to set sampling mode Sampling Sampling Mode Sampling ia Sampling Sampling Mode Description Sampling Normal sampling mode Use to capture maximal and minimal samples Finding highest and lowest Peak Detect points over adjacent intervals It is used for the detection of the jamming burr and the possibility of reducing the confusion Avene It is used to reduce the random and don t care noises with the editable J number 1 lt number lt 128 of averages Figure Normal sampling mode display in which no burr can be detected Figure Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise is heavy Figure The displayed waveform after the noise is removed under the Average Mode in which the average number of 16 is set 8 How to Measure with Cursors 17 Click to show Function menu choose Mark Cursor Mark cursor Channel Time ete CH1 FFT E Frequency Amplitude Normal mode 1 Choose source choose the channel to be measured by cursors between CH1 and CH2 2 Check measurement type choose either Time cursor measurement or Voltage cursor measurement or both Time cursor measurement Tick on Time option then two light red lines display along the vertical direction of th
10. function The limit of the saved file size is 4000M It will save the initial trig status the time base voltage division horizontal trigger position and zero position of each frame during recording Click Q to show Function menu choose Record lt Record Preset SavePath D VDS2062ONE wave cap Begin Record eel Cia Interval Time ma ms i Fa End Frame 300 frame Tip The saved file has a 4000M size limite and is including informations of trigger staus each frame s timebase voltbase trigger time zero voltage location Record 1 Choose Record tab on the top 2 Click Preset Save Path to specify the save location Waveform files have the suffix cap 3 Set Interval Time and End Frame Interval Time refers to the interval between recorded frames Interval Time ranges from 0 to 100000ms and increment by 10ms 4 Make the waveform in Run status 5 Click Begin Record Counter starts to count the frame number 6 Click End Record to stop recording or wait until the Counter reaches the End Frame Note 1 Waveforms of two channels can be recorded simultaneously 2 You can turn on off the channels while recording Only channels turned on can be recorded If a channel is turned off while recording there will be no waveform of this channel after the frame when stopped Replay the waveform recorded 26 ga Record D VDSONEMWwave cap Interval Time 200 Fe
11. game controllers JE System devices gt Universal Serial Bus controllers Right click the unknown device icon in the pop up menu click Update Driver Software 4 gt Other devices Hi Oscilloscope I Ports COM amp LI Update Driver Software gt DB Processors Disable i Sound video ant Uninstall Universal Serial E Scan for hardware changes Properties In the open window select Browse my computer for driver software How do you want to search for driver software Search automatically for updated driver software Windows will search your computer and the Internet for the latest driver software for your device unless you ve disabled this feature in your device installation settings gt Browse my computer for driver software Locate and install driver software manually Browse for driver software on your computer Search for driver software in this location F setup_directory USBDRV J Include subfolders gt Let me pick from a list of device drivers on my computer This list will show installed driver software compatible with the device and all driver software in the same category as the device File Edit View Tools Help devcon exe install bat Libraries libusb_01 inf J libusb_01x64 cat Computer libusb0 dil libusb0 sys Ga Network libusb0_x64 dll S libusb0_x64 sys Ac readme txt reinstall bat uninstall bat bh 11 items Or like this than yo
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13. the Dots Form XY Mode Check XY Mode the user interface is switched into Three View mode Choose the first channel and the second channel In XY mode widow the first channel is displayed in the horizontal axis and the second in the vertical axis Note XY Mode only support 1K storage memory The storage memory is set to 1K automatically Persistence When the Persistence function is used the persistence display effect of the picture tube oscilloscope can be simulated The reserved original data is displayed in fade color and the new data is in bright color Different persistence time can be chosen Off 0 5 second 1second 2seconds 5seconds and Infinite 20 When the Infinite option is set the measuring points will be stored till the controlling value is changed Click Clear button the persistence will be cleared Note If the time base voltage division deep memory is changed or the channel is turned off on the persistence will be cleared automatically and record the updated waveform Grid Brightness Drag slider to adjust the brightness of grid in the Waveform Display Area 10 Use Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the addition multiplication division and subtraction operations between Channel 1 and Channel 2 and the FFT operation of Channel 1 or Channel 2 Math of dual waveform 1 Turn on CH1 and CH2 2 Click to show Function menu
14. used to observe two unrelated signals You can choose different trigger modes for different channels The options are as follows edge video pulse or slope Set in Trigger menu 1 In Trigger menu choose Alternate the chosen label has a 9 mark 2 Choose Source 3 Choose Mode About the setting method of Mode and parameters refer to Single trigger Note In alternate trigger only one channel at most can be set as Video mode You can not choose Video in both channels When VDS1022 1 only channel 1 can be set as video mode Set in Trigger window 14 Click to show Trigger menu Trigger Force Force to create a triqger signal A 212 0 mV Dy hy ALL Click to show slider bar when itis the trigger level i Click to switch trigger options of current mode Instruction of Trigger mode icon in Trigger window Rise in Edge mode Fall in Edge mode Synchronic trigger in video line Synchronic trigger in video field Synchronic trigger in video odd Synchronic trigger in video even field filed EZ Rising in Slope Falling in Slope Pulse Width Pulse Width 5 How to Set the Channels Click to show Function menu choose Channel You can also click or 2 in the Channel window on the left bottom Or click 2 Win the Channel window on the left bottom when it is four channel oscilloscope K3 Channel t Channe CHI CH b CHI P On Eb uon E Opposite E Invert Probe Rate iia AA Coupling Probe Rate
15. z lt Max sampling rate VDS3104 lt EE U U U U Cc G Cc 5 5 5 5 O O O O _L L L EE lt O op N O O N 33 vince ae 5ns div 100s div step by 1 2 5 Scanning speed VDS2062 VDS2064 S div 2ns div 100s div step by 1 2 5 Sampling rate relay time accuracy Single Interval AT 1 interval time 100ppmxreading 0 6ns accuracy Average gt 16 DC 100MHz 1 interval time 100ppmxreading 0 4ns VDS1022 1 VDS2052 1 8 bits resolution 2 Channels VDS2062 simultaneously A D converter VDS3102 VDS2064 8 bits resolution 4 Channels VDS3104 simultaneously VDS1022 1 VDS2052 1 omV div 5V div VDS2062 Sensitivity VDS2064 VDS3102 2mV div 5V div VDS3104 1V 5mV 100mV Mae 50V 200mMV 5V Displacement VDs3102 1V 2mV 100mV 50V 200mV 5V Vertical system VDS2064 1V SmV 100mV 50V 200mV 5V VDS3104 t2V 2mV 200mvV 50V 500mV 5V Analog bandwidth 25MHz 50MHz 6OMHz 100MHz Single bandwidth Full bandwidth Low Frequency 210Hz at input AC coupling 3dB VDS1022 1 14ns at input Typical VDS2052 I lt 7 Ons at input Typical VDS2062 S5 8ns at input Typical Rise time VDS3102 lt 3 5ns at input Typical VDS2064_ S5 8ns at input Typical VDS3104 lt 3 5ns at input Typical DC accuracy Average216 3 rdg 0 05 div for AV average Waveform inverted ON OFF 34 AV and AT between cursors Vpp Vmax Vmin
16. BA E16 Fig Dual channel setting Fig Four channel setting To turn on off channels Click to choose CH1 or CH2 check On to turn on the channel uncheck it to turn off You can also click the channel switch in Channel window in left bottom See figure below To invert a waveform Waveform inverted the displayed signal is turned 180 degrees against the phase of the earth potential Click to choose CH1 or CH2 check Opposite to invert the waveform uncheck it to display normally To set channel coupling DC Pass both AC and DC components of the input signal AC Block the DC component of the input signal Ground Disconnect the input signal You can also click the coupling mode to switch it See figure below To adjust the probe attenuation For correct measurements the attenuation coefficient settings in the operating menu of the Channel should always match what is on the probe see 1 How to Set the Probe Attenuation Coefficient If the attenuation coefficient of the probe is 1 1 the menu setting of the input channel should be set to X1 Some operations could be done in Channel window Current channel IF 2 Click to show hide Channel menu Click to switch coupling mode DC 500 mW aiv Click to show voltage division combobox divs Glick to show zero point position slider bar 1 024 KHz Cymometer Click to turn on off current channel 6 How to Measure Automatically Click to show Function menu choose Measure 15
17. Probe Compensation Measurement signal 5V 1KHz output MULTI port EXT trigger input trigger output or Pass Fail output Signal input of Channel 2 eS eS Signal input of Channel 1 Note VDS1022 I represents two types of machines they are VDS1022 and VDS1022 VDS10221 contains isolation while VDS1022 does not contain isolation The same as VDS2052 I VDS2062 VDS3102 Figure Ports of the Oscilloscope take VDS3102 for instance 1 RS 232C Port optional 2 USB port Supply power by PC USB or the adapter communicate with PC 3 LAN port optional Network port which can be used to connect with PC 4 Probe Compensation Measurement signal 3 3V 1KHz output 5 EXT trigger input trigger output or Pass Fail output 6 Signal input of Channel 2 7 Signal input of Channel 1 VDS2064 VDS3104 arit os j uam FHA _ wos Figure Ports of the Oscilloscope take VDS3104 for instance 1 Probe Compensation Measurement signal 3 3V 1KHz output 2 MULTI port EXT trigger input trigger output or Pass Fail output 3 LAN port optional Network port which can be used to connect with PC 4 USB port Supply power by PC USB or the adapter communicate with PC 5 Signal input of Channel 4 6 Signal input of Channel 3 7 Signal input of Channel 2 8 Signal input of Channel 1 Note If you use LAN port to communicate with PC the oscilloscope should be powered by the adapter 2 I PC Software USB Driver Install Guide Use t
18. create a trigger signal Click to switch source gt A 0 000 mv Click ta show slider bar when Click to switch trigger options of current mode itis the trigger level Force Force to create a trigger signal and the function is mainly used in Normal and Single mode Video Trigger Choose Mode as Video to trigger on fields or lines of NISC PAL or SECAM standard video signals 1 Select video modulation NTSC PAL or SECAM 2 Set trigger synchronization Line Field Odd filed Even filed or Line Number When Line Number is selected you can set the line number 3 Set Hold Off About the setting method refer to Edge Trigger Slope Trigger Choose Mode as Slope to set the oscilloscope as the positive negative slope trigger within the specified time 1 Select slope condition 2 Set slope time 3 Set the High level upper limit and Low level lower limit 4 Set Trig Mode and Hold Off About the setting method refer to Edge Trigger Slew rate High level Low level Settings Pulse Width Trigger Choose Mode as Pulse Pulse trigger occurs according to the width of pulse The abnormal signals can be detected through setting up the pulse width condition 1 Select pulse width condition and set time 2 Set trigger level 3 Set Trig Mode and Hold Off About the setting method refer to Edge Trigger Alternate trigger Trigger signal comes from two vertical channels when alternate trigger is on This mode is
19. curred ReSyncing Synchronize with the oscilloscope again AutoSet In process of auto setting The statuses of not staying connected with the oscilloscope Offline No connection with the oscilloscope USBFound Find available USB devices USBDrvErr USB drivers installed error MachineNotSupport Can not recognize the device The statuses in the process of connecting with the oscilloscope Linking Being connecting with the oscilloscope Connect connect successfully Match Matching the model Syncing sync the settings lll Operations Instruction Relevant operations of this software 1 How to Set the Probe Attenuation Coefficient The probe has several attenuation coefficients which will influence the vertical scale factor of the oscilloscope To change or check the probe attenuation coefficient in the menu of oscilloscope 1 Click to show Function menu choose Channel 2 Set Probe Rate to the proper value corresponding to the probe This setting will be valid all the time before it is changed again Caution The default attenuation coefficient of the probe in the software is preset to 10X Make sure that the set value of the attenuation switch in the probe is the same as the menu selection of the probe attenuation coefficient in the software The set values of the probe switch are 1X and 10X Figure Attenuation Switch Caution When the attenuation switch is set to 1X the probe will limit the bandwidt
20. d will be installed Search removable media floppy CO ROM Include this location in the search c Program Fileseetup di ISBDRY 7 ce RN a ac cA nS o a O Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware ETTE mrem Then the installation is running Found Mew Hardware Wizard Please wait while the wizard installs the software usb board libusbO dll To CAWINDOMWS eystemiz Cancel And complete Found Mew Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for usb board Click Finish to clase the wizard Back E Finish i Cancel And prompt as installed 1 Found New Hardware Your new hardware is installed and ready to use And show installed in Device Management Computer Management Seles i Fie Action View Window Help lI x f Hee a lt Re z Computer Management Local 08 OHN B04973489 fi System Tools Computer ig a Event Viewer tg Disk drives 1 Shared Folders a Display adapters Local Users and Groups 5 DVD CD ROM drives g a Performance Logs and Alerts IDE ATA ATAPI controllers 5 m Device Manager E8 Jungo Keyboards LIDUSB Win32 Devices Mice anc a Monitors BW Network adapters El y Ports COM amp LPT
21. direction on FFT window Place the mouse cursor on Cursor 1 or Cursor 2 drag after the mouse shape changing to adjust the position of Cursor 1 and Cursor 2 according to the waveform to be measured The cursor increment window on the bottom left of FFT window shows current frequency of the two cursors absolute frequency difference of the two cursors See figure below x1 25 70 KHz X73850 kHz ACT 2 80 kHz Vamp Measurement Tick on Amplitude enter Home page gt Math gt FFT then two light red lines represent Cursor 1 and Cursor 2 show along the horizontal direction on FFT window Place the mouse cursor on Cursor 1 or Cursor 2 drag after the mouse shape changing to I adjust the position of Cursor 1 and Cursor 2 according to the waveform to be measured The cursor increment window on the bottom left of FFT window shows current position of the two cursors absolute voltage amplitude difference of the two cursors See figure below T1 24 600B VY2 55 20dB AY 30 4046 9 How to Set the Display System Click to show Function menu choose Display 19 P Vector J Dots E XY Mode CH r Grid Brightness Display Type Click the button to choose the display type the chosen button has a 9 mark Vector The space between the adjacent sampling points in the display is filled with the vector form Dots Only the sampling points are displayed Figure Display in the Vector Form Figure Display in
22. e oscilloscope 3 Set the network parameters of the software 1 Supply power Disconnect the USB cable from the computer Connect it with the AC DC adapter Plug the adapter into an electrical outlet to power the oscilloscope 2 Connect to the router Use a LAN cable to connect the oscilloscope with a router the computer should be connected to the router too 3 Set parameters in menu Click Q to show Function menu choose Utility click Network Set IP and Port to the same value of the oscilloscope in step 2 31 za Network Kindly Reminder Please set Web Infomation of your Osciloscoape before connecting Connect IP 192168 1 72 3000 4 Click Connect IV Technical Specifications Unless otherwise specified the technical specifications applied are for VDS series only and Probes attenuation set as 10X Only if the oscilloscope fulfills the following two conditions at first these specification standards can be reached This instrument should run for at least 30 minutes continuously under the specified operating temperature lf change of the operating temperature is up to or exceeds 5 C do the Self Cal procedure in Utility menu see Self Cal Note VDS1022 represents two types of machines they are VDS1022I and VDS1022 VDS10221 contains isolation while VDS1022 does not contain isolation The same as VDS2052 I Performance Characteristics VDS1022 25MHz VDS2052 1
23. e screen which represent Cursor 1 and Cursor 2 Place the mouse pointer over Cursor 1 or Cursor 2 drag after the mouse pointer changing to adjust the positions of Cursor 1 and Cursor 2 according to the waveform to be measured The cursor increment window at the left bottom shows current time of the two cursors absolute time difference of the two cursors and frequency See figure below EJ Mark Cursor Channel fi Time B Voltage FFT E Frequence Amplitude Cursor increment window Voltage cursor measurement Tick on Voltage option then two light red lines which represent Cursor 1 and Cursor 2 display along the horizontal direction Place the mouse pointer over Cursor 1 or Cursor 2 drag after the mouse pointer changing to i adjust the position of Cursor 1 and Cursor 2 according to the waveform to be measured The cursor increment window on the bottom left shows current position of the two cursors absolute voltage amplitude difference of the two cursors and frequency See Figure below 18 Channel Time Fi Voltage FFT E Frequence E Amplitude Cursor increment window The cursor measurement for FFT mode Check measurement type choose either Amplitude Measurement or Frequency Measurement at the mode of FFT or both at the same time Frequency Measurement Tick on Frequency enter Home page gt Math gt FFT then two light red lines represent Cursor 1 and Cursor 2 show along the vertical
24. er System Trigger determines when VDS starts to acquire data and display waveform Once trigger is set correctly it can convert the unstable display to meaningful waveform When VDS starts to acquire data it will collect enough data to draw waveform on left of trigger point VDS continues to acquire data while waiting for trigger condition to occur Once it detects a trigger it will acquire enough data continuously to draw the waveform on right of trigger point Click to show Function menu choose Trigger You can also click in the right bottom window to show it ra Trigger Source C bi Trigger 1 080 V Trig Mode BOR 100ns A E Trigger Control The oscilloscope provides two trigger types single trigger and alternate trigger Single trigger Use a trigger level to capture stable waveforms in two channels simultaneously Alternate trigger Trigger on non synchronized signals The Single Trigger and Alternate Trigger menus are described respectively as follows Single trigger 1 In Trigger menu choose Single the chosen label has a 9 mark 2 Choose Source 3 Choose Mode Single trigger has four modes edge trigger video trigger slope trigger and pulse trigger Edge Trigger It occurs when the trigger input passes through a specified voltage level with the specified slope Video Trigger Trigger on fields or lines for standard video signal Slope Trigger The oscilloscope begins to trigger according
25. guidelines to select the best window Characteristics Window Better solution for magnitude than Rectangle and good for frequency as well It has slightly better frequency resolution than Hanning Recommend to use for Hamming Sine periodic and narrow band random noise Transients or bursts where the signal levels before and after the event are significantly different Best solution for frequency worst for magnitude Best type for measuring the frequency spectrum of non repetitive signals and measuring frequency components near DC Recommend to use for Rectangle Transients or bursts the signal level before and after the event are nearly equal Equal amplitude sine waves with frequencies those are very close Broadband random noise with a relatively slow varying spectrum Best solution for magnitude worst for frequency Recommend to use for Blackman Single frequency waveforms to find higher order harmonics Good for magnitude but poorer frequency resolution than Hamming Recommend to use for Hanning sine periodic and narrow band random noise Transients or bursts where the signal levels before and after the event are significantly different The figures below are examples for measuring sine wave with a frequency of 1kHz under the selection of four different windows for FFT Figure Hanning wind
26. h of the oscilloscope in 5MHz To use the full bandwidth of the oscilloscope the switch must be set to 10X 11 2 How to Set the Vertical System You can set the corresponding parameters of vertical system in the Channel window 18 19 in II User Interface Current channel l 2 Click to show hide Channel menu Click to switch coupling mode DC 500 mW idiv Click to show voltage division combobox divs Glick to show zero point position slider bar 1 024 KHz Cymometer Click to turn on off current channel In the voltage division list you can select the proper value Take VDS3102 for instance 200 mv 500 mv Rotate the mouse wheel to switch 2 Odivs 2 976 kHz You can set the zero point position through the control bar to regulate of the vertical display position of the signal You can also drag the zero point position pointer 22 23 in Il User Interface Reset ero point position to 0 Drag it to change Zero point in variable speed Glick the area outside the slider to fine turn Proportion position of the screen Drag the slider up to increase down to decrease the further from the center the higher the changing speed is Keyboard Shortcuts Q The voltage division of Channel 1 decreases one level A The voltage division of Channel 1 increases one level W The voltage division of Channel 2 decreases one level S The voltage division of Channel 2 increases one level Cymometer It is a 6 digit cvym
27. he supplied USB cable to connect the oscilloscope with a PC through their USB ports Note If you use a USB cable that is not supplied by us some problems such as connection error and signal disturbing might occur For Windows Vista or Windows 7 The Microsoft Windows Systems since Windows Vista or Windows 7 change a lot which require a new installation guide of USB driver Here it is During the whole installation please assure that the device is running well and plugged into PC from USB Right click Computer you can find it on the desktop or in Start menu in the pop up menu click Manage and it will open a window named Computer Management as follow in the left side click Device Manager it will show a devices tree in the middle and then click the last one button Scan for hardware changes in tool bar as follow and if the device is running well and plugged into PC computer will detect an unknown device with a icon Computer Management File Action View Help fl af Computer Management a System Tools Task Scheduler Disk drives Event Viewer gt Display adapters Shared Folders gt eB DVD CD ROM drives Be Local Users and C gt 3 Human Interface Devices _ amp Performance gt c IDE ATA ATAPI controllers 4 Storage z Mice and other pointing devices t Disk Managemen _ JX Monitors Sy Services and Applicat gt Network adapters gt BB Processors A Sound video and
28. ing to the router Assume the parameters are as below IP address 192 168 1 71 Subnet mask 255 255 255 0 Default gateway 192 168 1 1 30 Internet Protocol TCP IP Properties general You can get IF settings assigned automaticaly f your network supports this capability Othenvise you need to ask y dur network administrator for the appropriate F settings pa Obtain an IF address automata y ip address Subnet mask Default gateway Prefered DNS server Attemate DNS server 2 Set the network parameters of the oscilloscope 1 Connect via USB and enter the menu Use the supplied USB cable to connect the oscilloscope with a PC through their USB ports After connecting successfully click Q to show Function menu choose Utility click Network 2 Set the network parameters of the oscilloscope In Network menu click OK to enter MachineNetSetting Choose the oscilloscope to be connected from the list If it s not in the list click Refresh to refresh the list Set IP the first three bytes should be same as the IP address of the computer in step 1 the last byte should be different Here we set it to 192 168 1 72 The range of the port value is 0 4000 here we set it to 3000 The Net mask and Gateway should be set according to the router F Machinenetsetting Choose A Oscilloscope VDS310420121227 IP Netmask Gateway Port BB 0 65535 ox 3 Click Rework to restart th
29. ive Buttons Executive Buttons include AutoSet A Run Stop gt it Single Trigger a see 7 8 9 in Il User Interface AutoSet 28 It s a very useful and quick way to apply a set of pre set functions to the incoming signal and display the best possible viewing waveform of the signal and also works out some measurements for user as well The details of functions applied to the signal when using AutoSet are shown as the following table Function Items Setting o o Acquisition Mode Horizontal Level Horizontal Sale Show the minimum number of channels Run Stop Enable or disable sampling on input signals Trigger Source Single Trigger You can set the trigger mode as single directly so when trigger occurs acquire one waveform then stop Keyboard Shortcuts Enter Auto set Space Run Stop 16 Use LAN Port Using the LAN port the oscilloscope could be connected to a PC directly or through a router Below introduces these two kind of connection methods Connect directly via a LAN cable 1 View the network parameters of the computer View the IP address of the computer to connect to Assume the IP address is 192 168 1 71 2 Set the network parameters of the oscilloscope 1 Connect via USB and enter the menu Use the supplied USB cable to connect the oscilloscope with a PC through their USB ports After connecting successfully click Q to show Function menu choose Utility click Network 2 Set IP and port of
30. lease visit our website and register the purchased product online Excepting the after sales services provided in this summary or the applicable warranty statements Lilliput will not offer any guarantee for maintenance definitely declared or hinted including but not limited to the implied guarantee for marketability and special purpose acceptability Lilliput should not take any responsibilities for any indirect special or consequent damages Table of Contents TAB OTS ONON ier aa cease enn EA A N age Solace ET cosy E E UE Oates oradiatr dees E EEE EE sa candotan cleans N EEEE AAE EEA 4 VBS OSCIIOSECODS SOWAS HEID iiien E E EEA EEEE EAE AEON EEE AAAA EAA OTE ECE OO 1 VOSTO ND O a a a a a a a a en Peete a a Peed ea a ah Peete 1 VD 2002 VDSS TO aa a A EO E E E A E N A A EERE RA Re Di Cee Renee 2 EDS ZO GAS SIOA ane E aE AE AE AA EE EAA EETA O AAE AAEE E E EEEE ET EEAO E 2 PC Sotware USB Driver Install Gud Ersisi aE AE AE E AEEA de AE E A N A EE salen ce E dausad de ceiea dimen estas 3 FOr VV COW SV ISLA VWINGOWS Froese e a a E E E A E ete etree ale E E A E R E EONA 3 FOC VVINGOW SUA Or VVINIOOW Ss ZOO Oi arena E E A E A IE AE E EET E EA E E TE 7 sy 2 al UL 9 E Meer sane ree Or E eS E eR ee Pere eee oro eee renee eee ee 10 ULE Operations NSU CUO Mrr eee ne ern tenn een rere NR Ee eT Eee eee eee eee eran 11 TOW TO Sethe Probe AllenUation COCMICIOIN is siciasc tit cep cared E ey aetanyeibacy O E ndsnvansiadanuuses das nsey Gavade A A AEE 11 2 FOW
31. ms E Cycle Sta oo End m Choose Play tab on the top Click From to choose the waveform file to be replayed Set the start frame Sta and end frame End Set Interval Time for replaying Check Cycle to play back the waveform in a loop Uncheck it to replay just once Click Play Numbers shows the current frame number that is replayed Click Pause to pause it CON OO FP OO N gt Drag slider to display the frame you need Note 1 If the software is in Run status playing back will make the current acquisition stopped 2 When replaying entering other menu items will make the replay paused 14 How to Implement the Utility setting Click J to show Function menu choose Utility Language Choose the desired language Skin Choose Black or Blue for interface skin Then Restart button will appear After clicking it the software will be closed and restarted to apply the new skin Open File Choose BIN waveform file saved and open it or just drag the file into the software interface to open it Print Preview Click to open the Print Preview Window Instruction of the menu items in Print Preview Window File Page Set Set the page margins Print Enter printing window Exit Close the Print Preview Window View Page Transform Switch the page orientation between landscape and portrait Whole page Display the full page on the screen Face size Display in actual si
32. n CH2 Edge Pulse Video Slope Video In alternate trigger only one channel at most can be set as Video mode When VDS1022 1 in alternate trigger only CH1 can be set as Video mode Output of the Probe Compensator Performance Characteristics Output Voltage VDS1022 1 About 5V with the Peak to Peak Typical VDS2052 1 voltage 21MQ About 3 3V with the Peak to Peak voltage 21MQ Power Mains Voltage VDS1022 1 5 0V 500mA VDS2052 1 Power Consumption VDS2062 VDS3102 VDS2064 VDS3104 Environment Tenpesiic Working temperature 0 C 40 C P Storage temperature 20 C 60 C Operating 3 000 m Felon Non operating 15 000 m Cooling Method Natural convection Mechanical Specifications Too Lye 170mmx 120mmx18mm L H W Dimension 190mm 120mmx18mm L W H Weight About 0 26 kg Interval Period of Adjustment One year is recommended for the calibration interval period Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 36
33. ometer The cymometer can measure frequencies from 2Hz to the full bandwidth Only if the measured channel has triggering signal and in Edge mode it can measure frequency correctly In the Single trigger mode it is a one channel cymometer and it can only measure the frequency of the triggering channel In the ALT trigger mode it is a two channel cymometer and it can measure the frequency of two channels 3 How to Set the Horizontal System You can set the corresponding parameters of horizontal system in the Capture amp period window 17 in II User Interface Click to switch Main and Zoom mode us div Click to show time base combo box 0 0 ns Click to show Horizontal Trigger Position slider bar 10k Click to show Record length combo box 250MS s Show sample rate You can use Horizontal Trigger Position control bar to adjust the horizontal position of the signal in the waveform window You can also drag the red pointer to adjust it 3 in Il User Interface 12 Drag it to change the horizontal position in variable speed Click the area outside the slider to fine turn Reset S S Reset Horizontal position to 0 Note Different machines have different ranges of time base here just take VDS3102 for instance The further from the center the higher the changing speed is Keyboard Shortcuts lt _ Time base decreases one level Time base increases one level See also 11 How to zoom the waveform 4 How to Set the Trigg
34. ontrollers say Device Manager gt a Storage LibUSB Win32 Devices way Disk Management af Vv usb device b F4 Services and Applications gt gt XD Monitors a Network adapters gt 1 Ports COM amp LPT gt Bi Processors gt a Sound video and game cont b gill System devices z Universal Serial Bus controlle nT p Now the USB driver will work For Windows XP or Windows 2000 For Windows XP or Windows 2000 Notice for both x86 and x64 Plug into the running well device to open Found New Hardware Wizard dialog Db Found New Hardware USE Device Or you can right click My Computer and select Manage in the left area of opened Computer Management select Device Manager double click the item USB Device with in the middle area to open the Wizard My Computer Open Explore Search Manage F Computer Management FE IB Fie Acton view window Hep aX Computer Management 4 Computer tet Disk drives a Display adapters 34 DYD CD ROM drives f IDE ATASATAPI controllers gt Keyboards t Mice and other pointing devices guj Event viewer x Shared Folders H Local Users and Groups E Performance Logs and Alerts i a Device Manager I Storage H Removable Storage Z Monitors a Disk Defragmenter E8 Network adapters ee Disk Management devices ys Services and Application
35. ow Notes for using FFT Select Scale to magnify the FFT waveform if necessary Use the default dB scale for details of multiple frequencies even if they have very different amplitudes Use the Vrms scale to compare frequencies DC component or offset can cause incorrect magnitude values of FFT waveform To minimize the DC component choose AC Coupling on the source signal To reduce random noise and aliased components in repetitive or single shot events set the oscilloscope acquisition mode to average What is Nyquist frequency The Nyquist frequency is the highest frequency that any real time digitizing oscilloscope can acquire without aliasing This frequency is half of the sample rate Frequencies above the Nyquist frequency will be under sampled which causes aliasing So pay more attention to the relation between the frequency being sampled and measured Note In FFT mode only support to set coupling voltage division and zero position in Channel window other operations are prohibited If you want to enter other menus uncheck FFT first 11 How to zoom the waveform Click Q to show Function menu choose Display 23 Main Time Base The setting of the horizontal main time base is used to display the waveform Assist Set A window area is defined by two cursors which will be expanded to the full screen size in Window Expansion Choose W value from the combo box to adjus
36. r die Unsigned software from other sources may harm your computer or steal Or sometimes it for Windows 7 x64 may open a window named Windows Security as below and just click Install to continue Would you like to install this device software Name usb device LibUSB Win32 Devices I Publisher FUJIAN LILIPUT OPTOELECTRONICS TECHNOLO Always trust software from FUJIAN LILIPUT OPTOELECTRONICS TECHNOLO F You should only install driver software from publishers you trust install And then continue installing f dag Jer Cand i aoaaa Va j a U YUGLE Y ver Software Oscilloscope Installing driver software Ce J And finish Now a successful installation window opens with information Windows has successfully updated your driver software 7 Windows has successfully updated your driver software Windows has finished installing the driver software for this device usb device Close the window have a look at the Computer Management window you will find a device under LibUSB Win32 Devices it should be like this Computer Management File Action View Help e 9 2008 AR amp es A Computer Management Local a System Tools b gi Computer b Task Scheduler gt Disk drives gt Event Viewer gt E Display adapters gt G Shared Folders gt gf DVD CD ROM drives b Local Users and Groups ie Human Interface Devices gt Performance gt c IDE ATA ATAPI c
37. s USB Device oe Processors a Sound video and game controllers 22 System devices Universal Serial Bus controllers In the Wizard select No not this time Found Mew Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for curent and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with pour permission Read our privacy policy Can Windows connect to Windows Update to search for sottware Yes this time only oes now and every time connect a device Click Next to continue select Install from a list or specific location Advanced Found Mew Hardware Wizard This wizard helps you install software for USB Device f If your hardware came with an installation CD lt 4 or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended select Search for the best driver in these locations then select Include this location in the search and indicate a directory location for USB driver which is named as USBDRV and under the directory where you installed the program at Found Mew Hardware Wizard Please choose your search and installation options C Search for the best driver in these locations Use the check boses below to limit or expand the default search which includes local paths and removable media The best driver foun
38. seseessseeeessssesseseeeensessssesesseeensesesessesseeeseseesaeeesseeessesessseasaeeeseeseseseasass 27 VO IIOW TOW SC EX CC UTIVS TOI S 3 seresatsstes a E acces dis arson anes dna T aac aeenn on alee one O esol dian ets elena ad ge ational onde OEO OEE 28 MG RISO LAN I OU eranan ars Wages aasinaisnus so eats esd rears pees ava aus gens enaodan edd sramein 0th a uremene Redoute esd ea aecee sau ened eeu navman sme de eR ea Ree 29 W TECRA COE DE CONS emernte rere ster nernrinre trier sre nt aetteare sermon erictare trae teeter entries eee tr ere EE eet Prt ee er ene nen renee eRe ee ete er rn ener ere en Serer tren eee en eee ene ree ere 32 VDS Oscilloscope Software Help Welcome to VDS Oscilloscope software The supplied accessories of the oscilloscope include a Quick Guide The Quick Guide of the oscilloscope and the following helps are for your reference Minimum PC Requirements Processor Pentium R 4 2 4 GHz Memory 1GB Disk space 1GB minimum Recommended PC Requirements Processor Pentium R Dual Core 2 4 GHz Memory 2GB Disk space 1GB minimum Other Requirements Operating system Windows XP 32 bit amp 64 bit Windows Vista 32 bit amp 64 bit Windows 7 32 bit amp 64 bit Ports USB2 0 USB1 1 Display Resolution 1024 x 768 Ports Introduction VDS1022 1 VDS2052 1 OWon VDS 1020 Figure Ports of the Oscilloscope take VDS1022 for instance USB port Supply power by PC USB or the adapter communicate with PC
39. t You can also click icon on the user interface to save it in the format specified in menu Self Cal The self calibration can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement value You can carry out this application program at any time This program must be executed whenever the change of ambient temperature is 5 C or over Before performing a self calibration disconnect all probes or wires from the input connector After everything is ready click Self Cal Default Click Default to call out the factory settings You can also click icon on the user interface Help Open this help document You can press F1 as shortcut key Network The oscilloscope could be connected to a PC via LAN port For more details see 16 Use LAN Port Tips Window Choose a label among Channel Capture amp Period or Trigger to view the guide for the new users Click anywhere in the help window to turn page If you do not want to display the guide automatically when running the software check Don t show again About Display Version Serial Number and Company website Press Update button to detect update program on server Sync Trigger Control the function of the port 5 in Ports of the Oscilloscope Trigger In Input the trigger signal synchronously Trigger Out Output the trigger signal synchronously Pass Fail Output high level when pass output low level when fail 15 How to Use Execut
40. t the size of this window area Click pean to show the slider bar You can adjust the horizontal position of the area in main window by it Drag it to change the horizontal position in variable speed Click the area outside the slider to fine turn Center it horizontally Note In Assist Set status the time base and horizontal trigger position can not be set A imsidw mig i 4540 ms A 16 00 mv 200 mv idiv 2 2divs Ik 999 962 Hz S 50KS l Window Expansion Click Zoom the window area defined by two cursors will be expanded to the full screen size You can adjust the time base W and horizontal trigger position Tw of zoom window in the menu You can also drag the red pointer to adjust the horizontal trigger position 3 in Il User Interface Qo Wo 200us tdi Tr O 9 260 ms 200 mv idiv 2 2divs Ik 959 998 Hz i 250K5 s You can also switch and set in Capture amp period window as shown in the below 24 Show time base and horizontal position in Main window and Zoom window The time base in current window click to show the combo box Click to switch Main M and Zoom W Click to adjust Horizontal Trigger Position in current window 12 How to do Pass Fail test The Pass Fail function monitors changes of signals and output pass or fail signals by comparing the input signal that is within the pre defined mask Click to show Function menu choose Pass Fail lt Pass Fail
41. t without charge for parts and labor or will provide a replacement in exchange for the defective product Parts modules and replacement products used by Lilliput for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of Lilliput In order to obtain service under this warranty Customer must notify Lilliput of the defect before the expiration of the warranty period Customer shall be responsible for packaging and shipping the defective product to the service center designated by Lilliput and with a copy of customer proof of purchase This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Lilliput shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Lilliput representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Lilliput supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product Please contact the nearest Lilltput s Sales and Service Offices for services or a complete copy of the warranty statement For better after sales service p
42. the oscilloscope In Network menu click OK to enter MachineNetSetting Choose the oscilloscope to be connected from the list If it s not in the list click Refresh to refresh the list Set IP the first three bytes should be same as the IP address of the computer in step 1 the last byte should be different Here we set it to 192 168 1 72 The range of the port value is 0 4000 here we set it to 3000 29 EI MachineNetSetting B Choose A Oscilloscope VDSS10420121227 192 168 1 255 255 255 Chir A 2 68 1 1 Port 0 65535 3 Click Rework to restart the oscilloscope 3 Set the network parameters of the software 1 Supply power Disconnect the USB cable from the computer Connect it with the AC DC adapter Plug the adapter into an electrical outlet to power the oscilloscope 2 Connection Plug in the LAN line to the LAN port of the oscilloscope plug the other end into the LAN interface of the computer 3 Set parameters in menu Click fi to show Function menu choose Utility click Network Set IP and Port to the same value of the oscilloscope in step 2 FT Network Kindly Reminder Flease set Web Infomation of your Osciloscoape before connecting Connect IP 192168 1 72 4 Click Connect Connect through a router 1 View the network parameters of the computer View the network parameters of the computer to connect to The Default gateway and Subnet mask should be set accord
43. to the signal rising or falling speed Pulse Trigger Find pulses with certain widths The four trigger modes in Single Trigger are described respectively as follows Edge Trigger 13 Choose Mode as Edge An edge trigger occurs on trigger threshold value of input signal Select Edge trigger mode to trigger on rising edge or falling edge Set in Trigger menu 1 Choose Rise to trigger on rising edge Choose Fall to trigger on falling edge 2 Click the voltage value after Trigger to show slider bar You can also drag 13 Trigger point in Il User Interface Set the trigger level to 50 of Vpp Reset Reset the trigger level to zero Drag to change the Trigger level in variable speed Click the area outside the slider to fine turn Proportion position of Trigger level in the screen 3 Choose Trig Mode Auto Acquire waveform even no trigger occurs Normal Acquire waveform when trigger occurs Single When trigger occurs acquire one waveform then stop 4 Set Hold Off When trigger occurs acquire one waveform then stop 100ns 10s Setting method is the position of digit that will be changed represents the last digit represents the middle digit represents the first digit Eg When is chosen click A the last digit will be increased by 1 Click Reset to set Holdoff time as default value 100ns Set in Trigger window Click to show Trigger menu Trigger TIE e Force to
44. u should use the USBDRV directory to indicate the inf file and to the sys or dll file you can indicate then in different directories like x86 ia64 or amd64 depending on the CPU but most of time just x86 and amd64 are enough Shes gt USBDRV gt File Edit View Tools Help Organize Include in library Sharewith EEEE m 7 d amd 4 a Homegroup di abd license jE Computer J 86 amp WINT C2 devcon exe ca INSTALL D install bat cag WORK E libusb win32 bin README tet ga Local Disk F 5 Aine ta ga AP H reinstall bat d CD Drivel 12 tems G am L USBDRV gt ECE Search x File Edit View Tools Help Edit View Tools Help Organize zt T ja Open ae il 7 Organize Ee libusbOl sys devcon exe Homegroup libusbO_x86 dll a Homegroup ES install bat Ji license x libusb win32 bin ae 5 readme tet x jE meme jE T Installing driver software a O al In the course It for Windows XP x86 amp x64 Windows Vista x86 amp x64 Windows 7 x86 may open a window named Windows Security as below and just select Install this driver software anyway to continue gt Don t install this driver software You should check your manufacturer s website for updated driver software for your device ae this driver software anyway rom your manufacturer s website o
45. veform Vamp Voltage between Vtop and Vbase of a waveform Vtop Voltage of the waveform s flat top useful for square pulse waveforms Vbase Voltage of the waveform s flat base useful for square pulse waveforms Overshoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Average The arithmetic mean over the entire waveform Vrms The true Root Mean Square voltage over the entire waveform The automatic measurement of time parameters The VDS series oscilloscopes provide time parameters auto measurements include Frequency Period Rise Time Fall Time Width Width Delay 12 Delay 12 Duty and Duty Figure shows a pulse with some of the time measurement points Rise Time Fall Time i I i l i l l l l l l l l l J H Widih Width h Rise Time Time that the leading edge of the first pulse in the waveform takes to rise from 10 to 90 of its amplitude Fall Time Time that the falling edge of the first pulse in the waveform takes to fall from 90 to 10 of its amplitude Width The width of the first positive pulse in 50 amplitude points Width The width of the first negative pulse in the 50 amplitude points Delay 1 2 The delay between the two channels at the rising edge Delay 1 2 t The delay between the two channels at the falling edge Duty Duty Cycle defined as Width
46. ze Default Scale Display in a specified zoom factor Show Wave Background Check to display wave background color uncheck to display preview paper background Set Preview Page Background Click to display color picker dialog box to set the color of preview page background Save Image 27 Click to save screen shot as an image file in png bmp or gif format Save Refer This function allows to store 8 reference waveforms These waveforms can be displayed with the current waveform simultaneously The recalled waveform can t be adjusted The source can be CH1 CH2 or Math To save the waveform of CH1 into object a and recall it the steps are as follows Choose CH1 as source Choose To Object as a Fill in Object Rename such as sine Click OK The object name is renamed as a sine This step can be skipped Click save Select a sine from the list tick Show the reference waveform will appear on the screen The object name and relevant information will be displayed on the top left You can continue to choose another reference waveform to display Click Remove all to clear all reference waveforms on the screen O AON If the chosen object has no stored waveform it will display No Saved below arsine 20 my Fhtsine 2 gt 20 m T0us PTI Pause amp Export Export the waveform into a file in specified format according to current record length You can choose bin txt csv xls as the forma
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