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SDS Series User Manual

1. OK lt S00MS s 10M Dual CH 1GS s 10K SDS8202 V lt 1GS s 10M Single CH 2GS s 10K lt 500MS s 1GS s 1 25GS s 10M Dual CH SDS8302 lt 1GS s 2GS s 2 5GS s p S Sis BEIGE EREDEEE OM Single CH 85 8 Technical Specifications Performance Performance Characteristics Instruction lt AWMS Dual CH 800MS s l eR SDS9302 S800MS s Single CH 1 6GS s 3 2GS s spsagea yy SRN ops 100s div SD86062 V is coe 1 2 5 2ns div 100s div DS7102 pee eve step by 1 2 5 2ns div 100s div Scanning speed SDS8102 V step by 1 2 5 S div es 100s div SDS8202 V ep by 1 2 5 A 100s div D 2 ee step by 1 2 5 Ins div 100s div D 2 i pean step by 1 2 5 100ppm Sampling rate relay time accuracy Single Interval AT 1 interval time 100ppm reading 0 6ns accuracy Average gt 16 DC 100MHz 1 interval time 100ppm xreading 0 4ns Vertical system A D converter 8 bits resolution 2 Channels simultaneously ae 1V 2mV 100m V Displacement SDS81 SDS8102 V __ SDS8202 V _ SDS8202 V 10OV 200mV 1V SE 100V 2V 10V SDS9302 Analog bandwidth 60MHz 100MHz 200MHz 300MHz Single bandwidth Full bandwidth Low Frequency gt 5Hz at input AC coupling 3dB 8 Technical Specifications D Rise time DC accuracy Average gt 16 3 rdg 0 05 div for AV average AV and AT between cursors Vpp Vmax Vmin Vtop Vbase Vamp Vav
2. The lithium battery may not be fully charged when you receive it Please charge the battery for 12 hours before the first use You battery can last 4 hours depending on your usage after fully charged There will have battery power indication show on the top of panel when oscilloscope power supplied by the battery if no indication has appeared see Display on P54 E W and L indicates the level of your battery When shows it means the power can only supply for 5 minutes maximum Note To avoid overheat of battery during charging the ambient temperature is not allowed to exceed the permissible value given in technical specification Replacing the Lithium Battery Unit It is usually not required to replace the battery unit But when it is required to replace it only qualified personnel can carry out this operation and only use the same specification lithium battery 9
3. 1MS s M 5 0ms 7 0 00mv Depth 100K f r Fig 5 42 Self Calibration e Pass Fail 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 Press the Utility button and turn the M knob to select the Pass fail to go to the following menu pass fail Fig 5 43 Pass Fail menu 55 5 Advanced User Guidebook The description of Pass Fail Menu is shown as the follows Setting soene Enable Control enable switch Operate Control operate switch Signal tested corresponds with the rule Signal tested not correspond with the rule Output Beep when it satisfies the rule Stop once satisfying the rule Control the display status of info frame Source Select source CH1 CH2 or Math Horizontal Change the Horizontal tolerance value by turning the M knob Vertical Change the Vertical tolerance value by turning the M knob Create Use the rule set as testing rule Number Choose any one from Rulel Rule8 as your rule name SaveRule Save Click Save to save the rule Load Load some rule as the testing rule Pass Fail test Detect whether the input signal is within the limits of the rule if 1t 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 l Press Utility button then H1 button turn the
4. 4 At the mode of Autoscale DSO is always set as DC coupling with AUTO triggering In this case making Triggering or Coupling settings have no effect 5 At the mode of Autoscale if adjust the vertical position voltage division trigger level or time scale of CH1 or CH2 the oscilloscope will turn off Autoscale function To back to Autoscale press Autoset 6 Turn off the submenu at the Autoscale menu the Autoscale is off and turn on the submenu still enters into the function 7 When video triggering the horizontal time scale is 50us If one channel is showing edge signal the other channel is showing video one the time scale refers to 50us as video one as standard 8 While the Autoscale is working settings below will be made forcibly 1 The DSO will switch from non main time base to main time base status 2 The DSO will switch to Peak detection mode if it is in Average mode How to Use Built in Help Press Help button the catalog will display in the screen Press H1 or H2 to choose help topic or just turn the M knob to choose Press H3 to view the details about the topic or just press the M knob oe Press H5 to exit the help or just do other operations How to Use Executive Buttons Executive Buttons include Autoset Run Stop Single Copy Autoset 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 wor
5. The description of Display Menu is shown as the follows BackLight 0 100 Turn the M knob to adjust the backlight i ON OF Display Graticule Select the grid type Battery Turn on or off the battery display 5s 50s OFF Set the disappear time of menu e Adjust Press the Utility button and turn the M knob to select the Adjust to go to the following menu Fig 5 41 Adjust Menu The description of Adjust Menu is shown as the follows 54 5 Advanced User Guidebook Function Menu Setting Description Self Cal PY Carry out the self calibration procedure Default __ Call out the factory settings Do Self Cal Self Calibration The self calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent If the change of the ambient temperature is up to or exceeds 5 C the self calibration procedure should be executed to obtain the highest level of accuracy Before executing the self calibration procedure disconnect the probe or wire and the input connector Press the Utility button Then press the H1 button and the function menu will display at the left of the screen turn the M knob to choose Adjust and then press the H2 button to choose Self Cal entering the self calibration procedure of the instrument Autocalibration Remove all probes cables from CH1 CH2 Press lt Auto calibration gt for Calibration Press any key to quit
6. it has a trigger level range of 1 6 V to 1 6 V The EXT 5 trigger source attenuates the signal by 5X which extends the trigger level range to 8 V to 8 V This allows the oscilloscope to trigger on a larger signal AC Line AC power can be used to display signals related to the power line frequency such as lighting equipment and power supply devices The oscilloscope gets triggered on its power cord so you do not have to input an AC trigger signal When AC Line is selected as trigger source the oscilloscope automatically set coupling to DC set trigger level to OV 2 Trigger Mode The trigger mode determines how the oscilloscope behaves in the absence of a trigger event The oscilloscope provides three trigger modes Auto Normal and Single Auto This sweep mode allows the oscilloscope to acquire waveforms even when it does not detect a trigger condition If no trigger condition occurs while the oscilloscope is waiting for a specific period as determined by the time base setting it will force itself to trigger Normal The Normal mode allows the oscilloscope to acquire a waveform only when it is triggered If no trigger occurs the oscilloscope keeps waiting and the previous waveform if any will remain on the display Single In Single mode after pressing the Run Stop key the oscilloscope waits for trigger While the trigger occurs the oscilloscope acquires one waveform then stop Single In Single mode after pressing the R
7. 14 Trigger Control Zone l Press the Trigger Menu button and call out the trigger menu With the operations of the menu selection buttons the trigger setting can be changed 2 Use the TRIG LEVEL knob to change the trigger level setting By rotating the TRIG LEVEL knob the trigger indicator in the screen will move up and down With the movement of the trigger indicator it can be observed that the trigger level value displayed in the screen changes accordingly PS Turning the TRIG LEVEL knob can change trigger level value and it 1s also the hotkey to set trigger level back to 0 3 Press the button 50 to set the trigger level as the vertical mid point values of the amplitude of the trigger signal 4 Press the Force button to force a trigger signal which is mainly applied to the Normal and Single trigger modes 18 5 Advanced User Guidebook 5 Advanced User Guidebook Up till now you have already been familiar with the basic operations of the function areas buttons and knobs in the front panel of the oscilloscope Based the introduction of the previous Chapter the user should have an initial knowledge of the determination of the change of the oscilloscope setting through observing the status bar If you have not been familiar with the above mentioned operations and methods yet we advise you to read the section of Chapter 4 Junior User Guidebook This chapter will deal with
8. 4 7 12 5Ms s M 500us Depth 100K f FA Fig 4 7 Auto set Check CH2 by repeating Step 2 and Step 3 How to Implement the Probe Compensation When connect the probe with any input channel for the first time make this adjustment to match the probe with the input channel The probe which is not compensated or presents a compensation deviation will result in the measuring error or mistake For adjusting the probe compensation please carry out the following steps 1 Set the attenuation coefficient of the probe in the menu as 10X and that of the switch in the probe as 10X see How to Set the Probe Attenuation Coefficient 13 4 Junior User Guidebook on P14 and connect the probe with the CH1 channel If a probe hook tip is used ensure that it keeps in close touch with the probe Connect the probe tip with the signal connector of the probe compensator and connect the reference wire clamp with the ground wire connector of the probe connector and then press the button Autoset 2 Check the displayed waveforms and regulate the probe till a correct compensation is achieved see Fig 4 8 and Fig 4 9 Overcompensated Compensated correctly Under compensated Fig 4 8 Displayed Waveforms of the Probe Compensation 3 Repeat the steps mentioned if needed te ny Fig 4 9 Adjust Probe How to Set the Probe Attenuation Coefficient The probe has several attenuation coefficients which will influence the vertical sc
9. How to Set the Probe Attenuation Coefficient on P14 If the attenuation coefficient of the probe is 1 1 the menu setting of the input channel should be set to X1 Take the Channel 1 as an example the attenuation coefficient of the probe is 10 1 the operation steps is shown as follows 1 Press the CH1 MENU button to show CH1 SETUP menu 2 Press the H3 menu selection the Probe menu will display at the right of the screen then press the F2 button to select X10 for the probe The Fig 5 3 illustrates the setting and the vertical scale factor when the probe of the attenuation coefficient of 10 1 is used DAUS 12 5MS s M 500us J i56v Depth 100K H f Fig 5 3 Regulation of the Attenuation Ratio of the Probe A list of the probe attenuation coefficient and the corresponding menu settings Attenuation Coefficient of the Probe Corresponding Menu Setting a e a S a XI 3 To invert a waveform Waveform inverted the displayed signal is turned 180 degrees against the phase of the earth potential Taking the Channel 1 for example the operation steps are shown as follows 1 Press the CH1 MENU button to show the CH1 SETUP menu 22 5 Advanced User Guidebook 2 Press the H2 menu selection button and select ON for Inverted item The waveform is inverted as it is shown in Fig 5 5 3 Press the H2 menu selection button again and select OFF for Inverted item The waveform goes back to its original one as it i
10. Math Fig 5 10 Hanning window 28 5 Advanced User Guidebook 0 000Hz 1 00000KHz SKS s f 800mv O 00div Fig 5 11 Blackman window Notes for using FFT E Use Zoom function to magnify the FFT waveform if necessary M Use the default dB scale for details of multiple frequencies even if they have very different amplitudes Use the Vrms scale to compare frequencies E DC component or offset can cause incorrect magnitude values of FFT waveform To minimize the DC component choose AC Coupling on the source signal E 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 the following settings are prohibited 1 Window set 2 XY Format in Display SET 3 SET 50 the triggering level at the vertical point of signal amplitude in Trigger setting 4 Measure 29 5 Advanced User Guidebook Use VERTICAL POSITION and VOLTS DIV Knobs The VERTIVAL POSITION knob is used to adjust the vertical positions of the waveforms including the captured waveforms
11. Menu is shown as Fig 5 24 Fig 5 24 Alternate trigger Trigger Type Pulse Menu Alternate trigger Trigger Type Pulse menu list MENU SETTING INSTRUCTION Alternate Mode Pulse Set vertical channel trigger type as pulse trigger Sanne CH1 Select CH1 as the trigger source Select CH2 as the trigger source Not allow DC portion to pass Allow all portion pass Conin Not allow high frequency of signal pass and only low frequency portion pass Not allow low frequency of signal pass and only high frequency portion pass Polarity Choose the polarity Select pulse width condition and turn the M knob to set time Mode Auto Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust M knob to set time interval before Holdoff another trigger occur Reset Set Holdoff time as 100ns Term interpretation 1 Source Trigger can occur from several sources Input channels CH1 CH2 AC Line Ext Ext 5 Input It is the most commonly used trigger source The channel will work when 39 5 Advanced User Guidebook selected as a trigger source whatever displayed or not Ext Trig The instrument can trigger from a third source while acquiring data from CH1 and CH2 For example you might want to trigger from an external clock or with a signal from another part of the test circuit The Ext Ext 5 trigger sources use the external trigger signal connected to the EXT TRIG connector Ext uses the signal directly
12. as 10X see How to Set the Probe Attenuation Coefficient on P14 2 Connect the probe of Channel 1 to the measured point of the circuit 3 Press the Autoset button The oscilloscope will implement the Autoset to make the waveform optimized based on which you can further regulate the vertical and horizontal divisions till the waveform meets your requirement 2 Perform Automatic Measurement The oscilloscope can measure most of the displayed signals automatically To measure the period and frequency of the Channel 1 and the mean and peak to peak voltage of the Channel 2 follow below steps 1 Press the Measure button to activate the measurement function menu 2 Press the H1 to display the Add menu 3 Press the F2 button to choose CH1 as the source 4 Press the F1 button the type items will display at the left of screen and turn the M knob to choose Period 5 Press the F4 button the period measurement will be added 6 Press the F1 button again the type items will display at the left of screen and turn the M knob to choose Freq 7 Press the F4 button the frequency measurement will be added finish settings of channel 1 8 Press the F2 button to choose CH2 as the source 9 Press the F1 button the type items will display at the left of screen and turn the M knob to choose Mean 10 Press the F4 button the mean measurement will be added 11 Press the F1 button the type items will display at
13. ea aa lia Tip After the above step 3 which set the Type of the save menu as Image you can save the current screen image by just pressing the Copy panel button in any user interface How to Record Playback Waveforms Wave Record function can record the input current wave You can set the interval between recorded frames in the range of 1ms 1000s The max frame number reaches 1000 and you can get better analysis effect with playback and storage function Wave Record contains four modes OFF Record Playback and Storage Record To record wave according to the interval until it reaches the end frame set Record menu shows as follows Ji averecord function between Clos P t capital anid small Orage et storage menu End frame Turn the M knob to select the number of frames to Record mode record 1 1000 FrameSet iea Turn the M knob to select the interval between recorded frames 1ms 1000s Refresh ON Refresh wave during recording OFF Stop refreshing Play Begin to record t Stop recording Note Both of the waveforms of Channel 1 and Channel 2 will be recorded If a Channel is turned off while recording the waveform of the channel is invalid in the playback mode 50 5 Advanced User Guidebook 0 000ns 250KS s M 200us _f 0 00mv Depth 1K f f f Stop Fig 5 36 Wave Record Playback Play back the wave recorded or saved Playback menu shows as follows Start frame Turn the M knob to select the number of start f
14. oscilloscope and computer Do not apply input voltages above the rating of the instrument because the probe tip voltage will directly transmit to the oscilloscope Use with caution when the probe is set as 1 1 Do not use exposed metal BNC or banana plug connectors Do not insert metal objects into connectors 3 General Characteristics 3 General Characteristics Y yY VV VV VV WV WV Y Y V V WV Bandwidth 60MHz 300 MHz Sample rate real time SOOMS s 3 2GS s Dual channel 10M points on each channel for the Record length Autoscale function 7cm smart design body 8 inch high definition TFT display 800 x 600 pixels Built in FFT function Pass Fail Function optically isolated Pass Fail output Waveform record and playback VGA interface only for the model with V or the models including VGA interface as default Various triggering function USB communication ports Super capacity lithium battery Optional Built in Chinese and English help system Multiple language support 4 Junior User Guidebook 4 Junior User Guidebook This chapter deals with the following topics mainly Introduction to the structure of the oscilloscope Introduction to the user interface How to implement the general inspection How to implement the function inspection How to make a probe compensation How to set the probe attenuation coefficient How to use the probe safely How to implement an auto calibrati
15. set correctly it can convert the unstable display to meaningful waveform When DSO starts to acquire data it will collect enough data to draw waveform on left of trigger point DSO 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 Trigger control area consists of knob and 3 menu keys TRIG LEVEL The knob that set the trigger level press the knob and the level will be cleaned to Zero 50 The instant execute button setting the trigger level to the vertical midpoint between the peaks of the trigger signal Force Force to create a trigger signal and the function is mainly used in Normal and Single mode Trigger Menu The button that activates the trigger control menu 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 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 vid
16. the following topics mainly How to Set the Vertical System How to Set the Horizontal System How to Set the Trigger System How to Implement the Sampling Setup How to Set the Display System How to Save and Recall Waveform How to Record Playback Waveforms How to Implement the Auxiliary System Function Setting How to Implement the Automatic Measurement How to Implement the Cursor Measurement How to Use Autoscale function How to Use Executive Buttons It is recommended that you read this chapter carefully to get acquainted the various measurement functions and other operation methods of the SDS series oscilloscope 19 5 Advanced User Guidebook How to Set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1 MENU CH2 MENU and Math and four knobs such as VERTICAL POSITION VOLTS DIV for each channel Setting of CH1 and CH2 Each channel has an independent vertical menu and each item is set respectively based on the channel To turn waveforms on or off channel math Pressing the CH1 MENU CH2 MENU and Math buttons have the following effect e If the waveform is off the waveform is turned on and its menu is displayed e If the waveform is on and its menu is not displayed its menu will be displayed e If the waveform is on and its menu is displayed the waveform is turned off and its menu goes away CH1 menu CH2 menu Couple setting Probe setting Limit setting Fig 5 1 Ch
17. C component of the signal through the observation of the difference between the wave form and the signal ground If the channel is under the AC mode the DC component would be filtered out This mode helps you display the AC component of the signal with a higher sensitivity 16 4 Junior User Guidebook Vertical offset back to 0 shortcut key Turn the VERTICAL POSITION knob to change the vertical display position of channel and press the position knob to set the vertical display position back to 0 as a shortcut key this is especially helpful when the trace position is far out of the screen and want it to get back to the screen center immediately 2 Change the Vertical Setting and Observe the Consequent State Information Change With the information displayed in the status bar at the bottom of the waveform window you can determine any changes in the channel vertical scale factor Turn the vertical VOLTS DIV knob and change the Vertical Scale Factor Voltage Division it can be found that the scale factor of the channel corresponding to the status bar has been changed accordingly Press buttons of CH1 MENU CH2 MENU and Math the operation menu symbols waveforms and scale factor status information of the corresponding channel will be displayed in the screen Introduction to the Horizontal System Shown as Fig 4 13 there are a button and two knobs in the HORIZONTAL CONTROLS The following pr
18. Connect the probe of channel 1 to the input of the network and that of Channel 2 to the output of the network 3 Push down the Autoset button with the oscilloscope turning on the signals of the two channels and displaying them in the screen 80 6 Demonstration 4 Turn the VOLTS DIV knob making the amplitudes of two signals equal in the rough 5 Press the Display button and recall the Display menu 6 Press the H3 button and choose XY Mode as ON The oscilloscope will display the input and terminal characteristics of the network in the Lissajous graph form 7 Turn the VOLTS DIV and VERTICAL POSITION knobs optimizing the waveform 8 With the elliptical oscillogram method adopted observe and calculate the phase difference see Fig 6 6 The signal must be centered and kept in the horizontal direction Fig 6 6 Lissajous Graph Based on the expression sin q A B or C D thereinto q is the phase difference angle and the definitions of A B C and D are shown as the graph above As a result the phase difference angle can be obtained namely q arcsin A B or arcsin C D If the principal axis of the ellipse is in the I and III quadrants the determined phase difference angel should be in the I and IV quadrants that is in the range of 0 z 2 or 3n 2 2r If the principal axis of the ellipse is in the II and IV quadrants the determined phase difference angle is in the I and HI quadrants that is
19. Function Menu is shown as the following table Setting Wave Setting Image Record When the type is Wave the menu shows as following CHl Source CH2 Choose the waveform to be saved Math l Choose the address which the waveform is Object 1 15 saved to or recall from Recall or close the waveform stored in the current object address When the show is Object amp Show ON if the current object address has been Show ON used the stored waveform will be shown OFF the address number and relevant information will be displayed at the top left of the screen if the address is empty it will prompt None is saved Save the waveform of the source to the selected address You can also press Copy button to do it Storage format is BIN Choose the saving type about the Record type see How to Record Playback Waveforms on P50 Type Save to internal storage or USB storage When External is selected save the waveform according to the current record length see Record Length Menu on P41 The file name is editable The waveform file could be open by OWON waveform analysis software on the supplied CD Storage Internal 8 External When the type is Setting the menu shows as following Setting 1 Setting The setting address Settings 47 5 Advanced User Guidebook Sigs Save the current oscilloscope setting to the V internal storage Recall the setting from the selected address When the type is I
20. M knob to choose Pass fail menu option Pass Fail menu will be displayed in the bottom 2 Enable switch on Press H2 button to show Operate menu then press F1 button to set Enable as ON 3 Create rule Press H4 button to enter Rule setting menu Press F1 button to choose the source Press F2 button turn the M knob to set Horizontal tolerance Press F3 button turn the M knob to set Vertical tolerance Press F4 button to create the rule 4 Set output type Press H3 button to enter Output option setting Choose any one or two of the options Pass Fail or Beep Pass and Fail are mutually exclusive options which could not be chosen simultaneously Stop means stop once the condition satisfies your setting 5 Begin to test Press H2 button then F2 button to select Start the test will begin 6 Save rule Press H5 button then F2 button to save the rules which could be called up at once when need press F3 button to call up the rule saved 56 5 Advanced User Guidebook 1 300ms 1MS s M 5 0ms 400mv Depth 100K pass fail Fig 5 44 Pass Fail test Note 1 When Pass Fail is ON if XY or FFT is ready to run then Pass Fail will be closed under the mode of XY or FFT Pass Fail is unable 2 Under the mode of Factory Auto Scale and Auto Set Pass Fail will be closed 3 When no save setting left in the rule save tip will be given to show NO RULE SAVED 4 Under the st
21. OWON SDS Series Smart Digital Storage Oscilloscopes User Manual E SDS6062 V E SDS7102 V E SDS8102 V E SDS8202 V E SDS8302 E SDS9302 Note V for VGA interface optional SDS8302 and SDS9302 including VGA interface as default WWW OWON COM CN Mar 2012 edition V1 4 5 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 Xiamen Lilliput Technology Co Ltd the 5th floor B Area Chuangxin Mansion Software Park ZhenZhuWan Huandao RD Xiamen Fujian China Tel 86 592 2575666 Fax 86 592 2575669 Web www owon com cn Mail sales owon com cn Fujian Lilliput Optoelectronics Technology Co Ltd The mansion of optoelectronics hengsan road Lantian industrial zone Zhangzhou Fujian China Tel 86 596 2130430 Fax 86 596 2109272 Web www owon com hk Mail Business Consulting sales owon com hk Sale service service owon com hk General Warranty Lill
22. 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 The delay between the two channels at the falling edge Duty Duty Cycle defined as Width Period Duty Duty Cycle defined as Width Period How to Measure with Cursors Press the Cursor button to display the cursor measurement function menu CURS MEAS in the screen The Cursor Measurement for normal model The cursor measurement includes Voltage Measurement and Time Measurement at normal model shown as Fig 5 57 Fig 5 37 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table 66 5 Advanced User Guidebook ley Switch off the cursor measurement coe Display the voltage measurement cursor and menu Time Display the time measurement cursor and menu CHI Display the channel generating the waveform to Source CH2 which the cursor measurement will be applied When carrying out the cursor measurement the position of Cursor 1 can be adjusted with the VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can
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24. actices will gradually direct you to be familiar with the setting of horizontal time base Fig 4 13 Horizontal Control Zone 1 Use the horizontal SEC DIV knob to change the horizontal time base setting and observe the consequent status information change Rotate the horizontal SEC DIV knob to change the horizontal time base and it can be found that the Horizontal Time Base display in the status bar changes accordingly 2 Use the HORIZONTAL POSITION knob to adjust the horizontal position of the signal in the waveform window The HORIZONTAL POSITION knob is used to control the triggering displacement of the signal or for other special 17 4 Junior User Guidebook applications If it is applied to triggering the displacement it can be observed that the waveform moves horizontally with the knob when you rotate the HORIZONTAL POSITION knob Triggering displacement back to 0 shortcut key Turn the HORIZONTAL POSITION knob to change the horizontal position of channel and press the HORIZONTAL POSITION knob to set the triggering displacement back to 0 as a shortcut key 3 With the HORIZ MENU button you can do the Window Setting and the Window Expansion Introduction to the Trigger System As shown in Fig 4 14 there are one knob and three buttons make up TRIGGER CONTROLS The following practices will direct you to be familiar with the setting of the trigger system gradually Fig 4
25. age measurements including Vpp Vmax Vmin Vavg Vamp Vrms Vtop Vbase Overshoot and Preshoot Fig 5 55 below shows a pulse with some of the voltage measurement points 64 5 Advanced User Guidebook Overshoot Vmax LA Vtop y PE a Sea Vhase Vmin Preshoot Fig 5 55 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 waveform 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 SDS series oscilloscopes provide time parameters auto measurements include Frequency Period Rise Time Fall Time Width Width Delay 124 Delay 1 2 Duty and Duty Figure 5 56 shows a pulse with some of the time measurement points 65 5 Advanced User Guidebook Ruse Time Fall Time S05 l l H Wdh gt k Width Fig 5 56
26. ale factor of the oscilloscope To change or check the probe attenuation coefficient in the menu of oscilloscope 1 Press the function menu button of the used channels CH1 MENU or CH2 MENU 2 Press H3 button to display the Probe menu select the proper value corresponding to the probe This setting will be valid all the time before it is changed again 14 4 Junior User Guidebook AIN Caution The default attenuation coefficient of the probe on the instrument 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 oscilloscope The set values of the probe switch are 1X and 10X see Fig 4 10 Fig 4 10 Attenuation Switch Caution When the attenuation switch is set to 1X the probe will limit the bandwidth of the oscilloscope in 5MHz To use the full bandwidth of the oscilloscope the switch must be set to 10X How to Use the Probe Safely The safety guard ring around the probe body protects your finger against any electric as sa shock shown as Fig 4 11 Fig 4 11 Finger Guard warning To avoid electric shock always keep your finger behind the safety guard ring of the probe during the operation To protect you from suffering from the electric shock do not touch any metal part of the probe tip when it is connected to the power supply Before making any measurements always connect th
27. and calculated waveforms The analytic resolution of this control knob changes with the vertical division The VOLTS DIV knob is used to regulate the vertical resolution of the wave forms including the captured waveforms and calculated waveforms The sensitivity of the vertical division steps as 1 2 5 Turning clockwise to increase vertical sensitivity and anti clockwise to decrease When the vertical position of the channel waveform is adjusted the changed value is displayed at the left bottom corner of the screen see Fig 5 12 0 000ns ea ar on re 12 5M5 s M 500us Depth 100K Fig 5 12 Information about Vertical Position How to Set the Horizontal System The HORIZONTAL CONTROLS includes the HORIZ MENU button and such knobs as HORIZONTAL POSITION and SEC DIV l HORIZONTAL POSITION knob this knob is used to adjust the horizontal positions of all channels include those obtained from the mathematical manipulation the analytic resolution of which changes with the time base SEC DIV knob it is used to set the horizontal scale factor for setting the main time base or the window HORIZ MENU button with this button pushed down the screen shows the operating menu see Fig 5 13 30 5 Advanced User Guidebook Fig 5 13 Time Base Mode Menu The description of the Horizontal Menu is as follows Description OOO O Manan eRe The setting of the horizontal main time base is used to display the waveform A win
28. and turn the M knob to select the interval between recorded frames Press H4 button choose whether to refresh the wave when recording Press H5 button to start recording Press H2 button In the Mode menu press F3 button to enter the Playback mode Set the frame range and Playmode Then press H5 button to play To save the wave recorded press H2 button In the Mode menu press F4 button to choose Storage then set the range of frames to store press H4 button to save To load the waveform from the internal memory press Load and then enter playback mode to analyze the wave How to Implement the Auxiliary System Function Setting e Config Press the Utility button and turn the M knob to select Config to go to the following menu _ _ Conirig English Fig 5 39 Configuration Menu The description of Configuration Menu is shown as the follows 53 5 Advanced User Guidebook Function Menu Setting Description Chinese Language English Others Display ne On Off the date display Set Time Choose the display language of the operating system Setting Hour Minute Day Month Setting Date Month Lock all keys Unlock method press 50 KeyLock button in trigger control area then press Force button repeat 3 times About ee Version number and serial number showing Display Press the Utility button and turn the M knob to select the Display to go to the following menu Fig 5 40 Display Menu
29. annel Setting Menu 20 5 Advanced User Guidebook The description of the Channel Menu is shown as the following list Setting DC Pass both AC and DC components of the input signal Coupling AC Block the DC component of the input signal GROUND Disconnect the input signal OFF Display original waveform Inverted ON Display inverted waveform X1 Match this to the probe attenuation factor to have an accurate reading of vertical scale full band Get full bandwidth Limit 20M Limit the channel bandwidth to 20MHz to reduce display noise 1 To set channel coupling Taking the Channel 1 for example the measured signal is a square wave signal containing the direct current bias The operation steps are shown as below 1 Press the CH1 MENU button and call out the CH1 SETUP menu 2 Press the H1 button the Coupling menu will display at the screen 3 Press the F1 button to select the Coupling item as DC Both DC and AC components of the signal are passed 4 Then press F2 button to select the Coupling item as AC The direct current component of the signal is blocked The waveforms are shown as Fig 5 2 12 5MS s M 500us _f 156v Depth 100K jf f f Fig 5 2 AC Coupling Oscillogram 2 To adjust the probe attenuation 21 5 Advanced User Guidebook For correct measurements the attenuation coefficient settings in the operating menu of the Channel should always match what is on the probe see
30. atic mode and acquire waveform without triggering Trig Trigger detected and acquire waveform Ready Pre triggered data captured and ready for a trigger Scan Capture and display the waveform continuously Stop Data acquisition stopped The purple T pointer indicates the horizontal position for the trigger The pointer indicates the trigger position in the internal memory The two yellow dotted lines indicate the size of the viewing expanded window It shows present triggering value and displays the site of present window in internal memory It shows setting time see Config on P53 It indicates that there is a U disk connecting with the oscilloscope 10 9 10 11 12 13 14 15 16 17 4 Junior User Guidebook Indicating battery power status see Display on P54 The red pointer shows the trigger level position for CH1 The waveform of CH1 The positions of two purple dotted line cursors measurements The yellow pointer shows the trigger level position for CH2 The waveform of CH2 The frequency of the trigger signal of CH1 The frequency of the trigger signal of CH2 It indicates the current function menu 18 19 Current trigger type 20 21 22 29 24 25 26 Rising edge triggering L Falling edge triggering ar Video line synchronous triggering vl Video field synchronous triggering The reading shows the trigger level value of the corresponding channel The reading shows th
31. atical manipulation Select CH1 as FFT source CH1 CH2 CH1 Factor 2 CH Select the signal source of the factor2 CH1 CH2 Select CH2 as FFT source 24 5 Advanced User Guidebook Rectangle Blackman Window Select window for FFT Hanning Hamming dB Select dB for Format Format Vrms Select Vrms for Format x Set multiple X 1 x2 Set multiple X2 Zoom x5 Set multiple X5 X10 Set multiple X 10 Taking the additive operation between Channel 1 and Channels 2 for example the operation steps are as follows 1 Press the Math button to bring up the Wfm Math menu 2 Press the H1 button and call out the Dual Wfm Math menu The menu will display at the left of the screen 3 Press the F1 menu selection button and choose CH1 for Factor1 4 Press the F2 menu selection button and choose 5 Press the F3 menu selection button and choose CH2 for Factor2 The green calculated waveform M is displayed in the screen 12 5MS s M 500us Depth 100K Fig 5 7 Waveform resulted from CH1 CH2 25 5 Advanced User Guidebook 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 poi
32. atus of stop data comparing will stop and when it goes on running the number of Pass Fail will increase from the former number not from zero 5 When the waveform playback mode is on Pass Fail is used to test the played back waveform specially e Output Press the Utility button and turn the M to select the Output to go to the following menu Fig 5 45 Output menu The description of Output menu is shown as the follows punchon Settin Description Menu 8 p Type Trig level Output trig signal synchronously P Pass fail Output High Level when Pass and Low Level when Fail e LAN Set 57 5 Advanced User Guidebook Using the LAN port the oscilloscope can be connected with a computer directly or through the router to connect The network parameters can be set in the menu below Press the Utility button and turn the M knob to select the LAN Set to go to the following menu Fig 5 46 LAN Set menu The description of LAN Set menu is shown as the follows Function Settin Description Menu mng eee IP Press F1 button to switch between each byte turn the M knob to change value 0 255 Turn the M knob to change value 0 4000 Press F3 button to switch between each byte turn the M knob Set Netgate to change value 0 255 Press F4 button to switch between each byte turn the M knob Phy addr to change value 0 FF Set OK Press F5 button to confirm prompt reset to update the config How to connect w
33. be adjusted with the VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the voltage cursor measurement of the channel CH1 1 Press Cursor and recall the Cursor Measure menu 2 Press the H2 button and choose CH1 for Source 3 Press the H1 button the Type menu will display at the right of the screen Then press the F2 button to choose Voltage for Type with two purple dotted lines displayed along the horizontal direction of the screen which indicating Cursor and Cursor2 4 According to the measured waveform adjust the positions of Cursor and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 Cursor increment window at the left bottom of waveform shows absolute value of D value of cursor 1 and cursor 2 and the present position of the two cursors See Fig 5 58 yil 116 00v 72 104 00v 7 12 5MS s M 500us ete 100K ff f Fig 5 58 Waveform of Voltage Cursor Measurement Carry out the following operation steps for the time cursor measurement of the 67 5 Advanced User Guidebook channel CH1 1 Press Cursor and recall the Cursor Measure menu 2 Press the H2 button and choose CH1 for Source 3 Press the H1 button the Type menu will display at the right of the screen Press the F3 button to select Time for Type with two purple dotted lines displayed along the vertical direction of the screen which indicating Cursor 1 and Cursor 2 4 According to the measured waveform adj
34. bration on P16 All specification standards can be fulfilled except one s marked with the word Typical Performance Characteristics SDS6062 V 60MHz SDS7102 V SDS8102 V 1OOMHz B h PEC SDS8202 V 200MHz SDS8302 300MHz SDS9302 300MHz 2 1 External Mode Normal Peak detect Averaging Dual CH 250MS s sann DualCH SDS7102 V Lea CH SOOMS s Single CH 1GS s SDS8102 V Dual CH 1GS s Single CH 2GS s lti Dual CH fioss real time SDS8202 V Dial CH 1 GS s Single CH 2GS s SDS8302 Dia CH 1 25GS s Single CH 2 5GS s SDS9302 Dual CH 1 6GS s Single CH 3 2GS s Input Input coupling DC AC Ground Input impedance 1MQ 2 in parallel with 10pF 5pF Probe attenuation Acquisition Sample rate 1X 10X 100X 1000X factor Max input voltage 400V PK PK DC AC PK PK Bandwidth limit 20MHz full bandwidth 84 8 Technical Specifications Performance Characteristics Instruction Channel channel 50Hz 100 1 isolation 1OMHz 40 1 150ps channel typical Dual CH Dual CH Single CH Dual CH Single CH Dual CH Single CH Dual CH Single CH sps9302 ee Single CH Max Record length SDS6062 V ue CH Single CH sampling rate Dual CH lt Max Single CH sampling rate lt 500MS s Horizontal System SDS7102 V SDS8102 V Sampling rate range SDS8202 V SDS8302 SDS7102 V 10M Dual CH 1GS s p OK SDS8102 V p lt lt I GS s OM Single CH 2GS s p lt
35. connected from damage In order to avoid any contingent danger this product is only used within the range specified Only the qualified technicians can implement the maintenance To avoid Fire or Personal Injury Connect the probe correctly The grounding end of the probe corresponds to the grounding phase Please don t connect the grounding end to the positive phase Use Proper Power Cord Use only the power cord supplied with the product and certified to use in your country Connect or Disconnect Correctly When the probe or test lead is connected to a voltage source please do not connect and disconnect the probe or test lead at random Product Grounded This instrument is grounded through the power cord grounding conductor To avoid electric shock the grounding conductor must be grounded The product must be grounded properly before any connection with its input or output terminal When powered by AC power it is not allowed to measure AC power source directly because the testing ground and power cord ground conductor are connected together otherwise it will cause short circuit When powered by battery the product must ground connection To avoid electric shock there must be a ground wire connect between ground and the ground port on the back of product panel Check all Terminal Ratings To avoid fire or shock hazard check all ratings and markers of this product Refer to the user s manual for more information about rating
36. dow area is defined by two cursors This t t d a g PAEA function is not available at FFT mode The defined window area for display Z Lh oom Zoom Window expanded to the full screen Main Time Base Press the H1 menu selection button and choose Main In this case the HORIZONTAL POSITION and SEC DIV knobs are used to adjust the main window The display in the screen is shown as Fig 5 14 0O0 000ns 12 5MS s M 500us Depth 100K f Fig 5 14 Main Time Base Set Window Press the H2 menu selection button and choose Set The screen will show a window area defined by two cursors Use the HORIZONTAL POSITION and SEC DIV knobs to adjust the horizontal position and size of this window area In FFT mode Set menu is invalid See Fig 5 15 31 5 Advanced User Guidebook 0 000ns y poe out he 60 Rages ltt ee L ee tll Oe lll eee ttl E E ee lll 12 5MS s M 500us W 100us Depth 100K Main pet ZOC Fig 5 15 Window Setting Window Expansion Press the H3 menu selection button and choose Zoom As a result the window area defined by two cursors will be expanded to the full screen size see Fig 5 16 WON Wo o000ns 1 31 ete E ET N A LeU Obese LP 0S DP UI et 12 5MS5 s M 500us wW 100us Depth 100K Co O O O Set Fig 5 16 Zoom Window 32 5 Advanced User Guidebook How to Set the Trigger System Trigger determines when DSO starts to acquire data and display waveform Once trigger is
37. e can be simulated The reserved original data is displayed in fade color and the new data is in bright color Press the H2 button the Persist menu will display at the right of screen Press the F1 button different persistence time can be chosen 44 5 Advanced User Guidebook OFF 1second 2second 5second and Infinity When the Infinity option is set for Persist time the measuring points will be stored till the controlling value is changed see Fig 5 32 By pressing the F2 button the persistence will be cleared 160 0us 12 5M5 s M 500us ff 44 0v Depth 100K f i Fig 5 32 Infinite Persistence Display XY Format This format is only applicable to Channel 1 and Channel 2 After the XY display format is selected Channel 1 is displayed in the horizontal axis and Channel 2 in the vertical axis the oscilloscope is set in the un triggered sample mode the data are displayed as bright spots The operations of all control knobs are as follows E The Vertical VOLTS DIV and the VERTICAL POSITION knobs of Channel 1 are used to set the horizontal scale and position E The Vertical VOLTS DIV and the VERTICAL POSITION knobs of Channel 2 are used to set the vertical scale and position continuously The following functions can not work in the XY Format Reference or digital wave form Cursor Time base control Trigger control FFT Operation steps 45 5 Advanced User Guidebook 1 Press the Display button and cal
38. e probe to the instrument and connect the ground terminal to the earth 15 4 Junior User Guidebook How to Implement Self calibration The self calibration application 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 Press the Utility button then press H1 button to call out the Function menu turn the M knob to choose Adjust Press H2 button to choose the option Self Cal run the program after everything is ready Introduction to the Vertical System As shown in Fig 4 12 there are a few of buttons and knobs in VERTICAL CONTROLS The following practices will gradually direct you to be familiar with the using of the vertical setting Fig 4 12 Vertical Control Zone 1 Use the button VERTICAL POSITION knob to show the signal in the center of the waveform window The VERTICAL POSITION knob functions the regulating of the vertical display position of the signal Thus when the VERTICAL POSITION knob is rotated the pointer of the earth datum point of the channel is directed to move up and down following the waveform Measuring Skill If the channel is under the DC coupling mode you can rapidly measure the D
39. e signals change at any time Autoscale enables the instrument to set up trigger mode voltage division and time scale automatically according to the type amplitude and frequency of the signals Fig 5 63 Autoscale menu The menu is as follows ON Turn on Autoscale Autoscale OFF Turn off Autoscale 71 5 Advanced User Guidebook Follow up and adjust both vertical and horizontal settings Follow up and only adjust horizontal scale Follow up and only adjust vertical scale Show Multi period waveforms Only show one or two periods If you want to measure the two channel signal you can do as the follows 1 Press Autoscale button the function menu will appear 2 Press H1 to choose ON 3 Press H2 and choose for Mode item 4 Press H3 and choose avaval for Wave item Then the wave is displayed in the screen shown as Fig 5 64 12 5MS s M 500us J 800mv Depth 100K KE Fig 5 64 Autoscale Horizontal Vertical multi period waveforms Note 1 Entering into Autoscale function and the symbol A will be flickering on the top left of the screen every 0 5 second 2 In the mode of Autoscale the oscilloscope can self estimate Trigger Type Single and Alternate and Mode Edge Video At this point the trigger menu is not available 3 At the mode of XY and STOP status pressing Autoset to enter into Autoscale DSO switches to YT mode and AUTO triggering 72 5 Advanced User Guidebook
40. e window time base value The reading shows the setting of main time base The readings show current sample rate and the record length It indicates the measured type and value of the corresponding channel F means frequency T means cycle V means the average value Vp the peak peak value Vk the root mean square value Ma the maximum amplitude value Mi the minimum amplitude value Vt the Voltage value of the waveform s flat top value Vb the Voltage value of the waveform s flat base Va the amplitude value Os the overshoot value Ps the Preshoot value RT the rise time value FT the fall time value PW the width value NW the Width value D the Duty value D the Duty value PD the Delay A B value and ND the Delay A B value The readings indicate the corresponding Voltage Division and the Zero Point positions of the channels The icon shows the coupling mode of the channel c6 indicates direct current coupling indicates AC coupling indicates GND coupling It is cursor measure window showing the absolute values and the readings of the two cursors The yellow pointer shows the grounding datum point zero point position of the waveform of the CH2 channel If the pointer is not displayed it shows that this 11 4 Junior User Guidebook channel is not opened 27 The red p
41. echnical Specifications Display Display Type 8 Colored LCD Liquid Crystal Display Display Resolution 800 Horizontal x 600 Vertical Pixels Display Colors 65536 colors TFT screen Output of the Probe Compensator tput Volt Ou Pe voice About 5V with the Peak to Peak voltage 21MQ Typical Frequency Typical Square wave of 1KHz Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT II Power Consumption lt 18W SDS6062 V P lt 24W other models 2A T grade 250V Cell 558792 4000mAh 3 7V Battery optional Pack 2s2p 7 4V 8000mAh Environment ee Working temperature 0 C 40 C P Storage temperature 20 C 60 C Relative Humidity Height Operating 3 000 m Non operating 15 000 m Cooling Method Mechanical Specifications 340mmx 155mmx70mm L H W About 1 82 kg Interval Period of Adjustment One year is recommended for the calibration interval period 89 9 Appendix 9 Appendix Appendix A Enclosure Standard Accessories A pair of Passive probe 1 2 m 1 1 10 1 Ix CD PC link application software lx Power cord up to the standards of the country in which it is used lx USB cable lx User Manual Options Battery Appendix B General Care and Cleaning General Care Do not store or leave the instrument where the liquid crystal display will be exposed to direct sunlight for long periods of time Caution To avoid any damage to the instrument or probe do no
42. een indicating Cursor and Cursor2 3 According to the measured waveform adjust the positions of Cursorl and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 Cursor increment window at the left bottom shows absolute value of the two cursors amplitude difference and the present position 69 5 Advanced User Guidebook 0 000Hz 1 00001KHz SKS s 250Hz J 800mv 0 00div vamp d MathFFT Fig 5 61 wave of Vamp cursor measurement Carry out the following operation steps for the Freq cursor measurement l 2 Press Cursor and recall the Cursor Measure menu Press the H1 button the Type menu will display at the right of the screen Press the F3 button to select Freq for Type with two purple dotted lines displayed along the vertical direction of the screen indicating the corresponding Cursor 1 and Cursor 2 According to the measured waveform adjust the positions of Cursorl and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 Increment window shows two cursors difference value and the present position See Fig 5 62 70 5 Advanced User Guidebook 0 000Hz ax 1 000KH2 leac 000HZ x2 1 005KHZ 1 00001KHz SKS s 250Hz _f 800mv 0 00div Fig 5 62 wave of Freq cursor measurement How to Use Autoscale This is a very useful function for first time users to carry out a simple and quick test on the input signal The function is applied to follow up signals automatically even if th
43. eo signal Slope Trigger The oscilloscope begins to trigger according 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 1 Edge Trigger An edge trigger occurs on trigger threshold value of input signal Select Edge trigger mode to trigger on rising edge or falling edge 33 5 Advanced User Guidebook The Edge Trigger Menu is shown as Fig 5 17 D ES Fig 5 17 Edge trigger menu Edge menu list Settings Single Mode Set vertical channel trigger type as edge trigger Channel as trigger signal Channel 2 as trigger signal Source External trigger as trigger signal 1 5 of the external trigger signal as trigger signal AC power line as trigger signal AC Block the direct current component DC Allow all component pass Coupling HF Block the high frequency signal only low frequency component pass LF Block the low frequency signal only high frequency component pass Trigger on rising edge Trigger on falling edge Auto Acquire waveform even no trigger occurs Mode Normal Acquire waveform when trigger occurs Single When trigger occurs acquire one waveform then stop Holdoff 100ns 10s turn M knob to set time interval before Holdoff another trigger occur Reset Set Holdoff time as default value 100ns 2 Video Trigger Choose video trigger to trigger on fields or lines of NTSC PAL or SECAM standa
44. es If there is damage to the instrument caused by the transportation please keep the package With the transportation department or the Lulliput s distributor responsible for this business informed about it a repairing or replacement of the instrument will be arranged by the Lilliput How to Implement the Function Inspection Make a fast function check to verify the normal operation of the instrument according to the following steps 1 Connect the power cord to a power source Turn on the Power Switch Button on the left side make sure the side is pressed down Then push down the button of the D signal on the top The instrument carries out all self check items and shows the Boot Logo Press the 12 4 Junior User Guidebook Utility button then press H1 button to get access to the Function menu Turn the M knob to select Adjust and press H3 button to select Default The default attenuation coefficient set value of the probe in the menu is 10X 2 Set the Switch in the Oscilloscope Probe as 10X and Connect the Oscilloscope with CH1 Channel Align the slot in the probe with the plug in the CH1 connector BNC and then tighten the probe with rotating it to the right side Connect the probe tip and the ground clamp to the connector of the probe compensator 3 Press the Autoset Button The square wave of 1 KHz frequency and 5V peak peak value will be displayed in several seconds see Fig
45. g Vrms Overshoot Preshoot Freq Period Rise Automatic Time Fall Time Delay A B Delay A Bt Width Width Duty Duty Measurement Waveform Math ae EFT Full bandwidth Lissajous Phase differe 3 degrees nce Frequency typical IKHz square wave USB2 0 USB for file storage LAN port Communication port figure VGA interface only for the model with V or the models including VGA interface as default or RS 232 Optional Single channel 1s when only one input channel is working 87 8 Technical Specifications Trigger 6 div from the screen center Trigger level range 600mV Trigger level et sas ors Accuracy typical Tri A According to Record length and time base displacement Trigger Holdoff 100ns 10s range 50 level setting Input signal frequency gt S50Hz typical slope Rising Falling a slopp Rising Sensitivity te Positive pulse gt lt Trigger condition _ negative pulse gt lt Pulse Width range 24ns 10s Mo Modulation Modulation uppon standard NTSC PAL and SECAM broadcast systems Video Trigger 1 525 NTSC and 1 625 PAL SECAM a2 Positive pulse gt lt T dit Slope Trigger negative pulse gt lt Time setting 24ns 10s Trigger on CH1 Edge Pulse Video Slope Alternate Trigger r l Trigger on CH2 Edge Pulse Video Slope Pulse trigger 88 8 Technical Specifications General T
46. h a relatively slow varying spectrum Better solution for magnitude than Rectangle and good for frequency as well It has slightly better Hamming frequency resolution than Hanning Recommend to use for 26 5 Advanced User Guidebook Sine periodic and narrow band random noise Transients or bursts where the signal levels before and after the event are significantly different 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 Best solution for magnitude worst for frequency Recommend to use for Blackman Single frequency waveforms to find higher order harmonics Fig 5 8 5 9 5 10 5 11 are examples for measuring sine wave with a frequency of 1kHz under the selection of four different windows for FFT 0 000Hz 1 00002KHz SKS s 250Hz _f 800mv 0 00div Fig 5 8 Rectangle window 2 5 Advanced User Guidebook WON 0 000Hz i I FFT Source lala CH2 Window Hamming Format Vrms dB Zoom x1 1 00001KHz _f 800mv miaka iv Dual Wfm FFT Math Fig 5 9 Hamming window Won 0 000Hz i PEL Source ali CH2 Window Hanning Format Vrms dB Zoom x1 1 00001KHz f 800mv s o SKS s 25 0Hz mil hoists iv Dual Wfm FFT
47. hematical waveform 3 On the XY format 4 On the Scan format Measure the frequency the peak to peak voltage of the Channel CH1 and the mean the RMS of the Channel CH2 following below steps Press the Measure button to show the automatic measurement function menu Press the H1 button to display the Add menu Press the F2 button and choose CH1 as the source oe a a Press the F1 button the type items will display at the left of screen and turn the 63 5 Advanced User Guidebook M knob to choose Period 5 Press the F4 button the period options added completes 6 Press the F1 button again the type items will display at the left of screen and turn the M to choose Freq 7 Press the F4 button the frequency added completes finish setting of CH1 8 Press the F2 button and choose CH2 as the source 9 Press the F1 button the type items will display at the left of screen and turn the M to choose Mean 10 Press the F4 button the Mean added completes 11 Press the F1 button the type items will display at the left of screen and turn the M to choose PK PK 12 Press the F4 button the PK PK added completes finish setting of CH2 The measured value will be displayed at the bottom left of the screen automatically see Fig 5 54 O0 000ns 12 5M57s M 500us Depth 100K ff f Fig 5 54 automatic measurement The automatic measurement of voltage parameters The SDS series oscilloscopes provide automatic volt
48. his Here are the steps for how to enable Average function 1 Press the Acquire button to display the Acquire menu 79 6 Demonstration 2 Press the H1 button to display ACQU Mode menu 3 Press the F3 button turn the M knob and observe the waveform obtained from averaging the waveforms of different average number User would see a much reduced random noise level and make it easy to see more details of the signal itself After applying Average user can easily identify the burrs on the rising and falling edges of some part of the signal see Fig 6 5 0 000ns 12 5M57s M 500us Depth 100K Fig 6 5 Reduce Noise level by using Average function Example 5 Application of X Y Function Examine the Phase Difference between Signals of two Channels Example Test the phase change of the signal after it passes through a circuit network X Y mode is a very useful when examining the Phase shift of two related signals This example takes you step by step to check out the phase change of the signal after it passes a specified circuit Input signal to the circuit and output signal from circuit are used as source signals For the examination of the input and output of the circuit in the form of X Y coordinate graph please operate according to the following steps 1 Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X see How to Set the Probe Attenuation Coefficient on P14 2
49. imal and minimal samples Finding highest and lowest points Peak detect over adjacent intervals It is used for the Sample detection of the jamming burr and the possibility of reducing the confusion It is used to reduce the random and Average 4 16 64 128 don t care noises with the optional number of averages The description of the Record Length Menu is shown as follows Setting 1000 Choose the record length 5 Advanced User Guidebook 10K 100K IM 10M Change the ACQU Mode settings and observe the consequent variation of the wave form displayed Won 1 Acgqu Mode j sample Peak detect if Average 16 _f 0 00mv 12 5M5 s M 500us Depth 100K Hcqu Mode Length Fig 5 26 Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise 1s heavy Acqu Mode J sample Peak a Average b o o B el ee Lee ee ee i 16 Orme Ee 12 5M57s M 500us Depth 100K Length Fig 5 27 Normal ACQU Mode display in which no burr can be detected 42 5 Advanced User Guidebook O0 000ns 12 5M5 s M 500us Depth 100K Fig 5 28 The displayed waveform after the noise is removed under the Average Mode in which the average number of 16 is set How to Set the Display System Press the Display button and the menu displayed in the screen 1s shown as Fig 5 29 Fig 5 29 Display Set Menu The descrip
50. iput 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 battery adapter 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 product 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 resul
51. ith a computer directly 1 Connection Plug in the LAN line to the LAN port in the right side panel of the oscilloscope plug the other end into the interface of the computer 2 Set the network parameters of the computer Since the oscilloscope can not support obtaining an IP address automatically you should assign a static IP address Here we set the IP address to 192 168 1 71 Subnet mask is 253323932330 58 5 Advanced User Guidebook Internet Protocol TCP IP Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically IF address Subnet mask Defauit gateway 192 168 7 Use the following DNS server addresses Prefered DNS server 192 168 1 Atemate DNS server Advanced Fig 5 47 Set the network parameters of the computer 3 Set the network parameters of the OWON Oscilloscope Software Run the software on the computer choose the Ports settings of the Communications menu item Set Connect using to LAN About the IP the first three bytes is same as the IP in the step 2 the last byte should be different Here we set it to 192 168 1 72 The range of the port value is 0 4000 but the por
52. k Control key and knob Area oe A aenea FPOTITHOH WRETHOAL mg CIM TAL PONTIG co N a ij Aje 7 z f i begi S os S s Fig 4 5 Keys Overview Menu option setting H1 H5 Menu option setting F1 F5 Menu off turn off the menu M knob Multipurpose knob Function key area Total 12 keys Vertical control area with 3 keys and 4 knobs CH1 MENU and CH2 MENU correspond to setting menu in CH1 and CH2 Math key refer to math menu the math menu consists of six kinds of operations including CH1 CH2 CH2 CH1 CH1 CH2 CH1 CH2 CH1 CH2 and FFT Two VERTICAL POSITION knob control the vertical position of CH1 CH2 and two VOLTS DIV knob control voltage scale of CH1 CH2 Horizontal control area with 1 key and 2 knobs HORIZONTAL POSITION knob control trigger position SEC DIV control time base HORIZ MENU key refer to horizontal system setting menu Trigger control area with 3 keys and 1 knob TRIG LEVEL knob 1s to adjust trigger voltage Other 3 keys refer to trigger system setting 4 Junior User Guidebook User Interface Introduction 27 26 25 a eo Cursor2 6 80v 24 lt C 1 2 3 4 5 6 7 9 130 O0us Eaa 9 40y Cursorl1 16 20v 1 00000KHz 12 5MS s M 500us 7 Depth 100K 23 22 21 20 19 18 Fig 4 6 Illustrative Drawing of Display Interfaces Waveform Display Area The state of trigger including Auto Autom
53. ks out some measurements for user as well The details of functions applied to the signal when using Autoset are shown as the following table 73 5 Advanced User Guidebook Run Stop Enable or disable sampling on input signals Notice When there is no sampling at STOP state the vertical division and the horizontal time base of the waveform still can be adjusted within a certain range in other words the signal can be expanded in the horizontal or vertical direction When the horizontal time base is lt 50Oms the horizontal time base can be expanded for 4 divisions downwards Single Press this button you can set the trigger mode as single directly so when trigger occurs acquire one waveform then stop Copy This button is the shortcut of saving function of the Save function menu Pressing this button is equal to the Save option in the Save function menu The current waveform or the display screen could be saved according to the setting of the Save function menu For more details please see Save Function Menu on P47 74 6 Demonstration 6 Demonstration Example 1 Measurement a Simple Signal The purpose of this example is to display an unknown signal in the circuit and measure the frequency and peak to peak voltage of the signal 1 Carry out the following operation steps for the rapid display of this signal 1 Set the probe menu attenuation coefficient as 10X and that of the switch in the probe switch
54. l out the Display Set Menu 2 Press the H3 menu selection button to set XY Mode ON The display format is changed to be XY mode see Fig 5 33 SOKS s M 1 0ms Depth 1K Persist OFF Fig 5 33 XY Display Mode Cymometer It is a 6 digit cymometer 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 The cymometer is displayed at the right bottom of the screen To turn the cymometer on or off 1 Press the Display button 2 In the Display menu press the H4 button to toggle between the cymometer display ON or OFF VGA Output only for the model with V The VGA port could be connected to a computer monitor The image of the oscilloscope can be clearly displayed on the monitor To set the VGA Output 1 Press the Display button 2 Inthe Display menu press the H5 button to toggle between ON or OFF 46 5 Advanced User Guidebook How to Save and Recall a Waveform Press the Save button you can save the waveforms settings or screen images The menu displayed in the screen is shown as Fig 5 34 Internal Fig 5 34 Waveform Save Menu The description of the Save
55. mage the menu shows as following Save the current display screen You can also press Copy button to do it The file can be only stored in a USB storage so a USB storage must be connected first The file name is editable The file is stored in BMP format Save and Recall the Waveform The SDS series oscilloscope can store 15 waveforms which can be displayed with the current waveform at the same time The stored waveform called out can not be adjusted In order to save the waveform of the CH1 into the address 1 the operation steps should be followed 1 Saving Press the H1 button the Type menu will display at the left of screen turn the M knob to choose Wave for Type 2 Press the H2 button and press F1 button to select CH1 for Source 3 Press the H3 button and press the F1 turn the M knob to select 1 as object address 4 Press the H5 button and press F1 button to select Internal 5 Press the H4 button to save the waveform 6 Recalling Press the H3 button and press the F1 turn the M knob to select 1 as object address Press F2 button to set Show as ON The waveform stored in the address will be shown the address number and relevant information will be displayed at the top left of the screen 48 5 Advanced User Guidebook 12 5M8 s M 500us f 40 0v Depth 100K f f f f Internal Fig 5 35 Wave Saving Tip When the Type of save menu is set as Wave you can save the current waveform by just pre
56. mpts reset to update the config After resetting the oscilloscope if you can get data normally in the oscilloscope software the connection is successful Fig 5 52 Set the network parameters of the oscilloscope How to Measure Automatically Press the Measure button to display the menu for the settings of the Automatic Measurements 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 That s 10 voltage and 10 time measurements in all The menu is displayed as Fig 5 53 62 5 Advanced User Guidebook Fig 5 53 Measure Menu The Automatic Measurements menu is described as the following table Description Tye Press F1 show the measure types Select the source Add Showall Show all the measures on the screen Add the selected measure types shown Add at the left bottom you could only add 8 types at most Removeall Remove all the measures Ramowe Tyne Turn M knob select the types need to ue be deleted Remove ee Remove the chosen measure type Measure The measured values can be detected on each channel simultaneously Only if the waveform channel is in the ON state the measurement can be performed The automatic measurement cannot be performed in the following situation 1 On the saved waveform 2 On the mat
57. nts of the time domain signal into its frequency components mathematically and the final frequency contains 1024 points ranging from 0Hz to Nyquist frequency Taking the FFT operation for example the operation steps are as follows 1 Press the Math button and call out the Math menu 2 Press the H2 button and call out the FFT menu 3 Press the F1 button to choose CH1 as the source 4 Press F2 button the windows item will display at the left of the screen turn the M knob to select Window including Rectangle Hamming Hanning and Blackman 5 Press F3 button to choose the Format including dB Vrms 6 Press F4 button the zoom window will display at the left of the screen turn the M knob to zoom in or out the wave of the multiple including lt 1 x2 x5 x10 To select the FFT window m 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 guidelines to select the best window Best solution for frequency worst for magnitude Best type for measuring the frequency spectrum of nonrepetitive 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 wit
58. odulation SECAM knob to set the line number Auto Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust the M knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns Line Synchronic trigger in video line Field Synchronic trigger in video field Sync Odd Field Synchronic trigger in video odd filed Even Field Synchronic trigger in video even field Line NO Synchronic trigger in designed video line turn the M Mode Holdoff 3 Alternate trigger Trigger Mode Slope Alternate trigger Trigger Type Slope Menu is shown as Fig 5 23 Fig 5 23 Alternate trigger Trigger Type Slope Menu Alternate trigger Trigger Type Slope menu list MENU SETTING INSTRUCTION Alternate Mode Slope Set vertical channel trigger type as slope trigger T CH1 Select CH1 as the trigger source CH2 Select CH2 as the trigger source l l Select slope condition When E O e He Ht Set slope condition turn the M knob to set time se oe 38 5 Advanced User Guidebook High level Turn M knob to set the High level Threshold Low level Turn M knob to set Low level Slew rate Slew rate High level Low level Settings Reset Set Holdoff time as 100ns Mode Auto Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust the M knob to set time interval Holdoff before another trigger occur 4 Alternate trigger Trigger Mode Pulse Alternate trigger Trigger Type Pulse
59. ointer indicates the grounding datum point zero point position of the waveform of the CH1 channel If the pointer is not displayed it shows that the channel is not opened Note Ifa V symbol appears in the menu it indicates you can turn the M knob to set the current menu How to Implement the General Inspection After you get a new SDS series oscilloscope it is recommended that you should make a check on the instrument according to the following steps 1 Check whether there is any damage caused by transportation If it is found that the packaging carton or the foamed plastic protection cushion has suffered serious damage do not throw it away first till the complete device and its accessories succeed in the electrical and mechanical property tests 2 Check the Accessories The supplied accessories have been already described in the Appendix B Accessories of this Manual You can check whether there is any loss of accessories with reference to this description If it is found that there is any accessory lost or damaged please get in touch with the distributor of Lilliput responsible for this service or the Lilliput s local offices 3 Check the Complete Instrument If it is found that there is damage to the appearance of the instrument or the instrument can not work normally or fails in the performance test please get in touch with the Lilliput s distributor responsible for this business or the Lilliput s local offic
60. ollowing symbol may appear on the product AN Hazardous Voltage Protective Earth Terminal Jae Chassis Ground E Test Ground i Refer to Manual 2 Safety Terms and Symbols To avoid body damage and prevent product and connected equipment damage carefully read the following safety information before using the test tool This product can only be used in the specified applications A Warning The two channels of the oscilloscope are non isolated electrically The channels should adopt common basis during measuring To prevent short circuits the 2 probe ground must not be connected to 2 different non isolated DC level A Warning The channels should adopt common basis during measuring To prevent short circuits the 2 probe ground must not be connected to 2 different non isolated DC level The diagram of the oscilloscope ground wire connection Probe Oscilloscope AC Adaptor Electrical Outlet It is not allowed to measure AC power when charging the oscilloscope with adapter Warning To avoid fire or electrical shock when the oscilloscope input signal connected is more than 42V peak 30Vrms or on circuits of more than 4800VA please take note of below items Only use accessory insulated voltage probes and test lead Check the accessories such as probe before use and replace it if there are any damages Remove probes test leads and other accessories immediately after use Remove USB cable which connects
61. on Introduction to the vertical system Introduction to the horizontal system Introduction to the trigger system 4 Junior User Guidebook Introduction to the Structure of the Oscilloscope When you get a new type oscilloscope you should get acquainted with its front panel at first and the SDS series digital storage oscilloscope is no exception This chapter makes a simple description of the operation and function of the front panel of the SDS series oscilloscope enabling you to be familiar with the use of the SDS series oscilloscope in the shortest time Front Panel The SDS series oscilloscope offers a simple front panel with distinct functions to users for their completing some basic operations in which the knobs and function pushbuttons are included The knobs have the functions similar to other oscilloscopes The 5 buttons F1 F5 in the column on the right side of the display screen or in the row under the display screen H1 H5 are menu selection buttons through which you can set the different options for the current menu The other pushbuttons are function buttons through which you can enter different function menus or obtain a specific function application directly Fig 4 1 Front panel 1 Power on off 2 Display area 3 Power indication light Green light Indicating DSO connects with AC Power and the battery is in full 1f there is battery inside DSO Yellow light Indicating DSO connect with AC Power and the ba
62. ose PK PK 76 6 Demonstration 8 Read the peak to peak voltages of Channel 1 and Channel 2 from the bottom left of the screen See Fig 6 2 9 Calculate the amplifier gain with the following formulas Gain Output Signal Input signal Gain db 20xlog gain 0 000ns 12 5MS s M 500us Depth 100K ff f Fig 6 2 Waveform of Gain Measurement Example 3 Capturing a Single Signal It s quite easy to use Digital Oscilloscope to capture non periodic signal such as a pulse and burr etc But the common problem is how to set up a trigger if you have no knowledge of the signal For example if the pulse is the logic signal of a TTL level the trigger level should be set to 2 volts and the trigger edge be set as the rising edge trigger With various functions supported by our Oscilloscope user can solve this problem by taking an easy approach First to run your test using auto trigger to find out the closest trigger level and trigger type this helps user to make few small adjustments to achieve a proper trigger level and mode Here 1s how we achieve this The operation steps are as follows 1 Set the probe menu attenuation coefficient to 10X and that of the switch in the probe to 10X see How to Set the Probe Attenuation Coefficient on P14 2 Adjust the VOLTS DIV and SEC DIV knobs to set up a proper vertical and horizontal ranges for the signal to be observed 3 Press the Acquire button to display the Acquire men
63. panel you can change the horizontal triggering position to obtain the negative delay making an easy observation of the waveform before the burr occurs see Fig 6 3 0 000ns 62 5MS s M 100us Depth 100K ff f ca Fig 6 3 Capturing a Single Signal 78 6 Demonstration Example 4 Analyze the Details of a Signal Noise is very common inside most of the electronic signal To find out what s inside the noise and reduce the level of noise is very important function our oscilloscope is capable to offer Noise Analysis The level of noise sometime indicates a failure of electronic circuit The Peak Detect functions acts an important role to help you to find out the details of these noise Here is how we do it 1 Press the Acquire button to display the Acquire menu 2 Press the H1 button to display ACQU Mode menu 3 Press the F2 button to choose Peak detect The signal displayed on the screen containing some noise by turning on Peak Detect function and changing time base to slow down the incoming signal any peaks or burr would be detected by the function See Fig 6 4 0 000ns 12 5M5 s M 500us f 0 00mv Depth 100K Fig 6 4 Signal with Noises Separate Noises from the Signal When focusing on signal itself the important thing is to reduce the noise level as lower as possible this would enable user to have more details about the signal The Average function offered by our Oscilloscope can help you to achieve t
64. rame to playback 1 1000 End frame Turn the M knob to select the number of end frame Playback Mode to playback 1 1000 FrameSet Cur frame Turn the M knob to select the number of current frame to playback 1 1000 Interval Turn the M knob to select the interval between played back frames 1ms 1000s Biaymode Loop Play back the wave continuously Once Play back the wave just one time Oore Play Begin to record Stop Stop recording 51 5 Advanced User Guidebook Playmode Startframe End frame _f0 00mv Fig 5 37 Wave Playback Storage Save the current wave according to the start frame and end frame set Storage menu shows as follows Turn the M knob to select the number of start frame to store 1 1000 Turn the M knob to select the number of end frame to store 1 1000 Save fo Save the waveform record file to the internal memory Load Load the waveform record file from the memory Storage Start frame Mode Frame Set End frame Savemode Startframe il End frame f 0 00mv Fig 5 38 Wave Storage 32 5 Advanced User Guidebook To use wave record function do as follows 1 2 3 4 5 6 7 8 9 Press Save button Press H1 button turn the M knob to choose Record Press H2 button In the Mode menu press F2 button to choose Record Press H3 button In the Frame Set menu press F1 button and turn the M knob to set End frame press F2 button
65. rd video signals Trig menu refer to Fig 5 18 34 5 Advanced User Guidebook Fig 5 18 Video trigger menu Video menu list Single Mode Set vertical channel trigger type as video trigger Select CH1 as the trigger source Select CH2 as the trigger source Source The external trigger input 1 5 of the external trigger source for increasing range of level Select video modulation Line Synchronic trigger in video line Field Synchronic trigger in video field Odd Synchronic trigger in video odd filed Even Synchronic trigger in video even field Line NO Synchronic trigger in designed video line turn the M knob to set the line number Auto Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust the M knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns Mode Holdoff 3 Slope Trigger Slope trigger sets the oscilloscope as the positive negative slope trigger within the specified time The Slope Trigger Menu is shown as Fig 5 19 Fig 5 19 Slope trigger menu Slope trigger menu list MENU SETTING INSTRUCTION nol 7 at Set vertical channel trigger type as slope trigger Source CH1 Select CH1 as the trigger source CH2 Select CH2 as the trigger source Slope selecting 35 5 Advanced User Guidebook Set slope condition turn the M knob to set slope time High level Adjust M knob to set the High level upper limit Low level Adjust M knob to set Low le
66. rk parameters of the oscilloscope How to connect with the computer through a router 1 2 Connection Use a LAN line to connect the oscilloscope with a router the LAN port of the oscilloscope is in the right side panel the computer should be connected to the router too Set the network parameters of the computer Since the oscilloscope can not support obtaining an IP address automatically you should assign a static IP address The Default gateway should be set according to the router Here we set the IP address to 192 168 1 71 Subnet mask is 255 255 255 0 Default gateway is 192 168 1 1 60 5 Advanced User Guidebook Internet Protocol TCP IP Properties General You can get IP settings assigned automatically f your network supports this capability Otherwise you need to ask your network administrator for the appropriate F settings Obtain an IP address automatically IF address Subnet mask Defauit gateway SC ee ieee Use the following DNS server addresses Prefered DNS server 192 168 1 Atemate DNS server Fig 5 50 Set the network parameters of the computer 3 Set the network parameters of the OWON Oscilloscope Software Run the software on the computer choose the Ports settings of the Communications menu item Set Connect using to LAN About the IP the first three bytes is same as
67. s before connecting to the instrument Do not operate without covers Do not operate the instrument with covers or panels removed Use Proper Fuse Use only the specified type and rating fuse for this instrument Avoid exposed circuit Do not touch exposed junctions and components when the instrument is powered Do not operate if in any doubt If you suspect damage occurs to the instrument have it inspected by qualified service personnel before further operations Use your Oscilloscope in a well ventilated area Make sure the instrument installed with proper ventilation refer to the user manual for more details Do not operate in wet conditions Do not operate in an explosive atmosphere Keep product surfaces clean and dry 2 Safety Terms and Symbols 2 Safety Terms and Symbols Safety Terms Terms in this manual The following terms may appear in this manual Warning Warning indicates the conditions or practices that could result in injury or loss of life A Caution Caution indicates the conditions or practices that could result in damage to this product or other property Terms on the product The following terms may appear on this product Danger It indicates an injury or hazard may immediately happen Warning It indicates an injury or hazard may be accessible potentially Caution It indicates a potential damage to the instrument or other property might occur Safety Symbols Symbols on the product The f
68. s applied the waveform can be displayed steadily Try to change the trigger coupling into the high frequency suppress and the low frequency suppress to smooth the high frequency or low frequency noise triggered by the interference 5 No Display Responses to the Push down of Run Stop Check whether Normal or Signal is chosen for Polarity in the TRIG MODE menu and the trigger level exceeds the waveform range If it is make the trigger level is centered in the screen or set the trigger mode as Auto In addition with the Autoset button pressed the setting above can be completed automatically 6 The displaying of waveform seems getting slow after increasing AVERAGE value in Acqu Mode see How to Implement Sampling Setup on P41 or a longer duration is set in the Persist in Display see Persist on P44 It s normal as the Oscilloscope 1s working hard on many more data points 83 8 Technical Specifications 8 Technical Specifications Unless otherwise specified the technical specifications applied are for SDS 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 E This instrument should run for at least 30 minutes continuously under the specified operating temperature m If change of the operating temperature is up to or exceeds 5C do a Self calibration procedure see How to Implement Self cali
69. s shown in Fig 5 4 nee e s o o G e s o O O UME el ee D n s o e re ie 12 5MS s ENE R E E Inverted Probe a DC ORRO F F X10 full band ull band Fig 5 4 Original Waveform 7 Ra ee ee ee ae ee M e e A ei Coupling Inverted Probe Limit DC full band x10 Fig 5 5 Inverted Waveform 4 To set bandwidth limit When high frequency components of a waveform are not important to its analysis the bandwidth limit control can be used to reject frequencies above 20 MHz 23 5 Advanced User Guidebook Taking the Channel for example the operation steps are shown as below 1 Press the CH1 MENU button to call out the CH1 SETUP menu 2 Press the H4 button and the Limit menu will display 3 Press the F1 button to select the Band Limit as full band The high frequency of the signal will be allowed to pass 4 Press the F2 button to select the Band Limit as 20M The bandwidth is limited to 20MHz The frequencies above 20 MHz will be rejected Use Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the addition multiplication division and subtraction operations between Channel and Channel 2 and the FFT operation of Channel 1 or Channel 2 Fig 5 6 Wave math menu The corresponding FCL Functional Capabilities List of the Waveform Calculation Setting Select the signal source of the factor Dual Wfm Math Sign Select the sign of mathem
70. seeseseeeeeeeeseeeseeeeeeeeeeeeeeeeeesaas 24 Usmo FEET O a aA E A RCO Mane 26 Use VERTICAL POSITION and VOLTS DIV Kn0bS sssssssssssccccccceccccoccccsssssssssseceeceeseoooo 30 How to Set the Horizontal SyStemiscssssssidaccsassccsssevadevecasccsacsenssvessasdacsosenadectsaadesssdedcsucssnicaseveateves 30 How t Set the Trig er System icii cinin oaeo aaaea aaa i eaea ai aaneen 33 SME leo COT ene ae e eT TO fee e N a Eaa 33 AUE EE E E E O A A 37 How to Operate the Punction Menisin aaa aa aa EEEa a 41 How to Implement Sampling Setup saersi reee E E E a a E a a A 4 How to Serthe Display Sy SLIM osa 9ic0s 45 Sew cans acess A a e a a EA 43 HOW 10 Save and Recah a Wavetoi Meeren a a ea aea ae eina aeea 47 Howto Record Playback WavetormS eren E E E 50 How to Implement the Auxiliary System Function Setting ccccccsessssssssssssssssssssssssssssssssseseeaaeas 53 HON TO Masure Automata y sai baal yin altys nec nat e a anata oeae ears 62 FLOW COs Measure Wit C UTS OFS ean a E E wuhassodeiadanmiaiads edi wiaaveasnnctiapeacneuaes 66 HOWO USC AULOS AIC a ncccacteavadsne acs E vodaneasaeaseulosaadSensaocorertesdtenmnieudechaddguseiesehen maeknwes 71 Howto Ser BU male sntdemohatsaenatauentactcaanendedevmalavsmmaseurenatvanned dwene hut anaeasuuctsdarwat tichaabenbeebetasinteds 73 How to Use Executive Buttons renie motel dotniaeb ata saa saa a a a dAeiiedoss 73 OO Demonstra on feiss acs set i a Sac owe esa ania sacs dea E sana sacs ease dan
71. ssing the Copy panel button in any user interface If the Storage of the save menu is set as External you should install the USB disk Please refer to the contents below to install the USB disk and name the file to be saved Save the current screen image The screen image can only be stored in USB disk so you should connect a USB disk with the instrument l Install the USB disk Insert the USB disk into the 1 USB Host port of Fig 4 3 Right side panel If an icon EBA appears on the top right of the screen the USB disk is installed successfully The supported format of the USB disk FAT32 file system cluster size cannot exceed 4K Once the USB disk cannot be recognized you could format it into the supported format and try again After the USB disk is installed press the Save panel button the save menu is displayed at the bottom of the screen Press the H1 button the Type menu will display at the left of screen turn the M knob to choose Image for Type Press the H4 button the input keyboard used to edit the file name will pop up The default name is current system date Turn the M knob to choose the keys press the M knob to input the chosen key The length of file name is up to 25 characters Choose and press the Enter key of the keyboard to end the input and store the file with the current name 49 5 Advanced User Guidebook 20111101 654523 alaala premorEongnnm mEpETaonmia Ce slaajcafenl
72. t exposed it to any sprays liquids or solvents Cleaning Inspect the instrument and probes as often as operating conditions require To clean the instrument exterior perform the following steps 1 Wipe the dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 Disconnect power before cleaning your Oscilloscope Clean the instrument with a wet soft cloth not dripping water It is recommended to scrub with soft detergent or fresh water To avoid damage to the instrument or probe do not use any corrosive chemical cleaning agent Warning Before power on again for operation it is required to confirm that the instrument has already been dried completely avoiding any electrical short circuit or bodily injury resulting form the moisture 90 9 Appendix Appendix C Battery Using Guide Battery level indicator include 5 H W and LJ eT ee yr OO OU OSC eS tO OO Sy CeO a sR a OTe Oe OO Pay SP SS ee ie OS ee 0 SOKS s M 1 0ms f 0 00mvv Depth 1K f f f f Display Fig 9 1 Battery level indicator Charging the oscilloscope Connect the power cord to a power source Turn on the Power Switch Button on the left side make sure the side is pressed down Yellow light of the indicator on the front panel means the battery is being charged Once the battery 1s full the indicator will become green
73. t time interval before another trigger occur Reset Set Holdoff time as 100ns Alternate trigger Trigger signal comes from two vertical channels when alternate trigger is on This mode is 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 1 Alternate trigger Trigger mode Edge Alternate trigger Trigger Type Edge Menu is shown as Fig 5 21 wa Fig 5 21 Alternate trigger Trigger Type Edge Menu Alternate trigger Trigger Type Edge Menu list MENU SETTING INSTRUCTION CH2 Select CH2 as the trigger source AC Not allow DC portion to pass Allow all portion pass Not allow high frequency of signal pass and only low frequency portion pass Not allow low frequency of signal pass and only high frequency portion pass Acquire waveform even no trigger occurred 100ns 10s adjust M knob to set time interval before another trigger occur Set Holdoff time as 100ns 37 5 Advanced User Guidebook 2 Alternate trigger Trigger Mode video Alternate trigger Trigger Type video Menu is shown as Fig 5 22 Fig 5 22 Alternate trigger Trigger Type video Menu Alternate trigger Trigger Type video Menu list MENU SETTING INSTRUCTION Set vertical channel trigger type as video trigger Select CH1 as the trigger source CH2 Select CH2 as the trigger source NTSC Modu PAL Select video m
74. t which under 2000 is always be used so it is suggested to set it to the value above 2000 Here we set it to 3000 aft Ports settings pi connect usins ER D a ee IPR i92 168 1 72 gt s port 3000 Custom USE Transfer Instructions Some Types can choose to get bin bmp or deep memory data C faveF orm Image O High Memory Depth Get Image File bmp Setting Keep Getting Delay ms 2000 Save data file automatically to below directory SSS ESE EEE aaa Er Silt ULE As Pei en For there is a limit mmber of files in one single directory of Windows File System FATI6 FAT32 NIFS the mmber of files to be saved is not certain it 15 recommended to choose a directory in NTFS disk drive turn off the storage channels in device and use short directory path to save more files Fig 5 48 Set the network parameters of the OWON Oscilloscope Software 59 4 5 Advanced User Guidebook Set the network parameters of the oscilloscope In the oscilloscope press the Utility button and press H1 button turn the M knob to select the LAN Set press the H2 button the set menu is displayed on the right Set the IP and the Port to the same value as the Ports settings in the software in step 3 Press the F5 button it prompts reset to update the config After resetting the oscilloscope if you can get data normally in the oscilloscope software the connection is successful Fig 5 49 Set the netwo
75. te eens 75 Example 1 Measurement a Simple Signal ssssseeccoossssssecccccsssssececocssssseeccoosssssseesossssseseeesso 75 Example 2 Gain of a Amplifier in a Metering Circuit sssscccccccccssssscecccosssssseceoosssssseeesso 76 Example 3 Capturing a Single Signal esccocssssseecccccsssececccocsssssececocsssssceccoosssssseesoosssssseeesso 77 Example 4 Analyze the Details of a Signal cccccccsssssssssccccccsssssssscsccccsscsssssssscccssssseeeees 79 Example 5 Application of X Y Function cccccccccsssssssssssscccssccsssssssscccssccesssssscccosscsesssssees 80 Example 6 Video Signal Trigger siisievssctecsccsteccscesiccesceatccuessbideucveacocciaesteecsacuscubsveaseccsuentdeessearss 82 TMV OUDIOSNO OUTS vorrecdivsevcccste tus E TOE A 83 Ox LCCIMICGL Specificato orrien EAE ea eee 84 General Pec hnical SPECUICAUONG sssaaa a O E EENE DERE 89 D ADDOCNGIN sorrisi e e E EE T ON E E EEE 90 Appendix A Enclosure isisicinia non aeniea aaa aaae asain 90 Appendix B General Care and Cleaning sssssecccocosssseeccccossssseeccocosssseececcossssssseccossssssseeesso 90 Appendix C Battery Using Guide ivsiassecsccsscccuncecsasuscehocevadesansieashcdeesavadevetsacecuacsvesavetsicesiiessecevs 91 il 1 General Safety Requirements 1 General Safety Requirements Before any operations please read the following safety precautions to avoid any possible bodily injury and prevent this product or any other products
76. the IP in the step 2 the last byte should be different Here we set it to 192 168 1 72 The range of the port value is 0 4000 but the port which under 2000 is always be used so it is suggested to set it to the value above 2000 Here we set it to 3000 aft Ports settings pi connect usins ER D a ee IPR i92 168 1 72 gt s port 3000 Custom USE Transfer Instructions Some Types can choose to get bin bmp or deep memory data C faveF orm Image O High Memory Depth Get Image File bmp Setting Keep Getting Delay ms 2000 Save data file automatically to below directory SSS ESE EEE aaa Er Silt ULE As Pei en For there is a limit mmber of files in one single directory of Windows File System FATI6 FAT32 NIFS the mmber of files to be saved is not certain it 15 recommended to choose a directory in NTFS disk drive turn off the storage channels in device and use short directory path to save more files Fig 5 51 Set the network parameters of the OWON Oscilloscope Software 6l 5 Advanced User Guidebook 4 Set the network parameters of the oscilloscope In the oscilloscope press the Utility button and press H1 button turn the M knob to select the LAN Set press the H2 button the set menu is displayed on the right Set the IP and the Port to the same value as the Ports settings in the software in step 3 The Netgate should be set according to the router Press the F5 button it pro
77. the left of screen and turn the M knob to choose PK PK 75 6 Demonstration 12 Press the F4 button the peak to peak voltage measurement will be added finish settings of channel 2 Then the period frequency mean and peak to peak voltage will be displayed at the bottom left of the screen and change periodically see Fig 6 1 0 000ns 12 5M57s M 500us Depth 100K ff f Fig 6 1 Measure Frequency and PK PK value for a given signal Example 2 Gain of a Amplifier in a Metering Circuit The purpose of this example is to work out the Gain of an Amplifier in a Metering Circuit First we use Oscilloscope to measure the amplitude of input signal and output signal from the circuit then to work out the Gain by using given formulas Set the probe menu attenuation coefficient as 10X and that of the switch in the probe as 10X see How to Set the Probe Attenuation Coefficient on P14 Connect the oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end Operation Steps 1 Press the Autoset button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state 2 Press the Measure button to show the Measure menu 3 Press the H1 button 4 Press the F2 button and choose CH1 5 Press the F1 button and turn the M knob to choose PK PK 6 Press the F2 button and choose CH2 7 Press the F1 button again and turn the M knob to cho
78. ting 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 Lilliput s Sales and Service Offices for services or a complete copy of the warranty statement 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 Table OF CONLCTUS orsina aT EE E TE EOE i I General Safety Reguirem emils seseina oeae aE AE NEEE 1 ZeD ey Term and SVINDOUS eine e R A ea 2 3 General CUaraclenisncs ceper E a 4 4 Junior User Guidepoon ss stescestscessissseiinnsdetossusestasceiseconseoseetionedetesiusa Masieisemmeeseeienedetesees 5 Introduction to the Structure of the OscillOscOpe ccscccccccssssssssssccccscccsssssscccccssceessscecs 6 Jaie6 a1 Be hale eeeereen ee eee een eee E ee eee en ee ee nee eee ee 6 LESE ogc nc Ree emer ne A A E sey ene ee Pe ese sey Saree ee ee eee sn ere ae 7 Roir ode Pane Nees e
79. tion of the Display Set Menu is shown as follows Setting Dots Only the sampling points are displayed Type Vect The space between the adjacent sampling points in the display is filled with the vector form OFF 1 second 2 seconds Turn the M knob to set the persistence time Persist 5 seconds Infinity Clear the persistence XY Mode ON Turn on the XY display function OFF Turn off the XY display function Turn on the cymometer t Cymometer Turn off the cymometer Connect the VGA port to a monitor If set it as ON the waveform could be displayed on the computer monitor VGA Disp only for the model with V 43 5 Advanced User Guidebook Display Type With the F1 menu selection button pushed down you can shift between Vect and Dots types The differences between the two display types can be observed through the comparison between Fig 5 30 and Fig 5 31 eo DCT VPS OE CC TCs Roe Tres eee Be eet ete PsA he A ONC ta PaCS ey Cr he We pee POs FS Ce POO Th PC Cis aL M 500us Type _ Persist ay Mode fymonete riM Dot vecti OFF ON OFF ON OFF ON OFF Fig 5 30 Display in the Vector Form i Tee Oe pei ee Te Ce TP Te We eT Tice De ie Ss The er eT STS ee i Oe cee Pe Tb ype Persist xv Mode ymometer va Disp OFF Dots Vect ON OF FON TOF r AEO F F Fig 5 31 Display in Dots form Persist When the Persist function is used the persistence display effect of the picture tube oscilloscop
80. trument after completing the checks above If the problem persists please contact Lilliput and we will be under your service 2 After acquiring the signal the waveform of the signal is not displayed in the screen Check whether the probe is properly connected to the signal connecting wire Check whether the signal connecting wire is correctly connected to the BNC namely the channel connector Check whether the probe 1s properly connected with the object to be measured Check whether there is any signal generated from the object to be measured the trouble can be shot by the connection of the channel from which there is a signal generated with the channel in fault Make the signal acquisition operation again 3 The measured voltage amplitude value is 10 times or 1 10 of the actual value Look at the attenuation coefficient for the input channel and the attenuation ration of the probe to make sure they are match see How to Set the Probe Attenuation Coefficient on P14 4 There is a waveform displayed but it is not stable Check whether the Source item in the TRIG MODE menu is in conformity with the signal channel used in the practical application Check on the trigger Type item The common signal chooses the Edge trigger mode for Type and the video signal the Video If Alternate trigger is selected both of the channel 1 and channel 2 trigger levels should be adjusted to the proper position Only if a proper trigger mode i
81. ttery is in charging if there is battery inside DSO Light off Only powered by battery without connecting AC Power 4 Control key and knob area 4 Junior User Guidebook 5 Probe Compensation Measurement signal 5V 1KHz output 6 EXT Trigger Input 7 Signal Input Channel 8 Menu off Left Side Panel Fig 4 2 Left side panel 1 Power switch represents power ON O represents power OFF 2 AC power input jack Right Side Panel m WwW Mh me Fig 4 3 Right side panel 1 USB Host port It is used to transfer data when external USB equipment connects to the oscilloscope regarded as host device For example upgrading software by USB flash disk needs to use this port 2 USB Device port It is used to transfer data when external USB equipment connects to the oscilloscope regarded as slave device For example to use this port when connect PC to the oscilloscope by USB 4 Junior User Guidebook 3 COM VGA port Optional To connect the oscilloscope with external equipment as serial port or to connect the oscilloscope with a monitor or a projector as VGA output for the model with V 4 LAN port the network port which can be used to connect with PC Rear Panel 2 Fig 4 4 Rear Panel The port of trigger signal output amp Pass Fail output Handle Air vents Foot stool can adjust the tilt angle of the oscilloscope Ground connection ae SS a 4 Junior User Guideboo
82. u 4 Press the H1 button to display the Acquire Mode menu 11 6 Demonstration 5 Press the F2 button to choose Peak detect 6 Press the Trigger Menu button to display the Trigger menu 7 Press the H1 button to display the Trigger Type menu 8 Press the F1 to choose Single as the type 9 Turn the M knob to choose Edge as the mode 10 Press the H2 button to display the Source menu 11 Press the F1 button to choose CH1 as the source 12 Press the H3 button to display the Coupling menu press the F2 button to choose DC as the Coupling 13 Press the H4 button to choose Ea rising as the Slope 14 Rotate the TRIG LEVEL knob and adjust the trigger level to the roughly 50 of the signal to be measured 15 Check the Trigger State Indicator on the top of the screen if it is not Ready push down the Run Stop button and start acquiring wait for trigger to happen If a signal reaches to the set trigger level one sampling will be made and then displayed in the screen By using this approach a random pulse can be captured easily For instance if we want to find a burst burr of high amplitude set the trigger level to a slightly higher value of the average signal level press the Run Stop button and wait a trigger Once there is a burr occurring the instrument will trigger automatically and record the waveform during the period around the trigger time By turning the HORIZONTAL POSITION knob in the horizontal control area in the
83. un Stop key the oscilloscope waits for trigger While the trigger occurs the oscilloscope acquires one waveform then Stop 3 Coupling Trigger coupling determines what part of the signal passes to the trigger circuit Coupling types include AC DC LF Reject and HF Reject AC AC coupling blocks DC components DC DC coupling passes both AC and DC components LF Reject LF Reject coupling blocks DC component and attenuates all signal with a frequency lower than 8 kHz HF Reject HF Reject coupling attenuates all signals with a frequency higher than 150 kHz 4 Holdoff Trigger holdoff can be used to stabilize a waveform The holdoff time is the oscilloscope s waiting period before starting a new trigger The oscilloscope will not trigger until the holdoff time has expired It provides a chance for user to check the signal in a short period and helps to check some complex signals such as AM waveform etc 40 5 Advanced User Guidebook How to Operate the Function Menu The function menu control zone includes 8 function menu buttons Measure Acquire Utility Cursor Autoscale Save Display Help and 4 immediate execution buttons Autoset Run Stop Single Copy How to Implement Sampling Setup Press the Acquire button and the menu is displayed in the screen shown as Fig 5 25 a Fig 5 25 ACQU MODE Menu The description of the Acqu Mode Menu is shown as follows Setting Normal sampling mode Use to capture max
84. ust the positions of Cursorl and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 The cursor increment window at the left bottom of the waveform shows absolute difference frequency and the present time of the two cursors axi 0 900ms 1 4x 1 111KHZ x1 0 660ms x2 0 240ms 12 5M5 s M 500us Depth 100K f Fig 5 59 Waveform of Cursor Measurement The Cursor Measurement for FFT model Press the Cursor button to display the cursor measurement function menu CURS MEAS in the screen which includes Vamp Measurement and Freq Measurement at the mode of FFT shown as Fig 5 60 68 5 Advanced User Guidebook Fig 5 60 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table Function Settin Description Switch off the cursor measurement Type bai Display the Vamp measurement cursor and menu Freq Display the Freq measurement cursor and menu When carrying out the cursor measurement the position of Cursor 1 can be adjusted with the VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the Vamp cursor measurement 1 Press Cursor and recall the Cursor Measure menu 2 Press the H1 button the Type menu will display at the right of the screen Press the F2 button to select Vamp for Type with two purple dotted lines displayed along the horizontal direction of the scr
85. vel lower limit Slew rate Slew rate High level Low level Settings Threshold amp SlewRate Auto Acquire waveform even no trigger occurred Mode Normal Acquire waveform when trigger occurred Single When trigger occurs acquire one waveform then stop Holdoff 100ns 10s turn the M knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns 4 Pulse Width Trigger Holdoff Pulse trigger occurs according to the width of pulse The abnormal signals can be detected through setting up the pulse width condition The Pulse Width Trigger Menu is shown as Fig 5 20 Fig 5 20 Pulse Width Trigger menu Pulse Width Trigger menu list MENU SETTING INSTRUCTION Single Mode Set vertical channel trigger type as Set vertical channel trigger type as pulse trigger trigger aoe CH1 as the trigger source Source Select CH2 as the trigger source Not allow DC portion to pass ne Allow all portion pass Cousling HF Not allow high frequency of signal pass and only low frequency portion pass LF Not allow low frequency of signal pass and only high frequency portion pass Polarity HE SLE Choose the polarity when Select pulse width condition and adjust the M knob to set time Mode Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred 36 5 Advanced User Guidebook Holdoff Single When trigger occurs acquire one waveform then stop Holdoff 100ns 10s adjust M knob to se
86. within the range of n 2 n or n 3r 2 8 1 6 Demonstration Example 6 Video Signal Trigger Observe the video circuit of a television apply the video trigger and obtain the stable video output signal display Video Field Trigger For the trigger in the video field carry out operations according to the following Steps 1 Press the Trigger Menu button to display the trigger menu 2 Press the H1 button to display the trigger type menu 3 Press the F1 button to choose Single for Type 4 Turn the M knob to choose Video as the mode 5 Press the H2 button to display the Source menu 6 Press the F1 button to choose CH1 for Source 7 Press the H3 button to display the Modu menu 8 Press the F1 button to choose NTSC for the modulation 9 Press the H4 button to display the sync menu 10 Press the F2 button to choose Field for Sync 11 Turn the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper waveform display see Fig 6 7 0 000ns 125M57s M 50us Depth 100K f Fig 6 7 Waveform Captured from Video Field Trigger 82 7 Troubleshooting 7 Troubleshooting 1 Oscilloscope is powered on but no Display Check whether the power connection 1s connected properly Check whether the power switch is pushed down to the designated position Check whether the fuse which 1s beside the AC power input jack 1s blew the cover can be pried open with a straight screwdriver Restart the ins

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