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SDS6062 User Manual

1. Set slope condition turn the M knob to set time H 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 Slope Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs acquire one waveform then stop Holdoff 100ns 10s adjust M knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns Mode Holdoff 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 41 User Manual of Smart Digital Storage Oscilloscope 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 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
2. Window Expansion Press the H3 menu selection button and choose Zone Window As a result the window area defined by two cursors will be expanded to the full screen size see Fig 5 16 PO ee Oe 8 E Da e ee ee 12 5MS s M 500us W 100us Depth 100K Main set OTi OOs Fig 5 16 Zone Window 34 User Manual of Smart Digital Storage Oscilloscope How to set the trigger system Trigger is to determine when DSO starts to acquire data and waveform display Once trigger to be set correctly then it will convert the unstable display to meaning waveform When DSO start to acquire data it will acquire enough data to form waveform on left of trigger point DSO continues to acquire data when it waits for trigger condition happen Once it detect out the trigger it will acquire enough data continuously to form the waveform on right of trigger point Trigger control area include 1 knob and 3 menu keys 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 to used in Normal and Single mode MENU The button that activates the trigger control menu Trigger Control The oscilloscope provides two trigger types single trigger and alternate trigger Press F1 to choose Single trigger
3. pass fail Fig 5 41 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 status 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 Output Press the Utility button and turn the M to select the Output to go to the following menu Fig 5 42 Output menu The description of Output menu is shown as the follows Function Menu Type Trig level Output trig signal synchronously P Pass fail Output High Level when Pass and Low Level when Fail Setting Description How to Measure Automatically Press the Measure button to display the menu for the settings of the Automatic Measurements 5 5 User Manual of Smart Digital Storage Oscilloscope 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 A B4 DelayA B Width Width Duty Duty That s 10 voltage and 10 time measurements in all The menu is displayed as Fig 5 43 Fig 5 43 Measure Menu The Automatic Measurements menu is de
4. INSTRUCTION Alternate l l Set vertical channel trigger type for edge trigger Select CH1 as the trigger source Source Select CH2 as the trigger source 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 Acquire waveform when trigger occurred When trigger occurs acquire one waveform then stop Holdoff 100ns 10s adjust M knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns 2 Alternate trigger Trigger Mode video Alternate trigger Trigger Type video Menu is shown as Fig 5 22 39 User Manual of Smart Digital Storage Oscilloscope Fig 5 22 Alternate trigger Trigger Type video Menu Alternate trigger Trigger Type video Menu list MENU SETTING INSTRUCTION Select CH1 as the trigger source CH2 Select CH2 as the trigger source NTSC Modu PAL Select video modulation SECAM 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 knob to set the line number Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Mode Single When tri
5. 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 A time interval before the oscilloscope responses to next trigger signal During this Holdoff period the trigger system becomes blind to trigger signals This function helps to view complex signals such as an AM waveform Press Holdoff button to activate TRIG LEVEL knob then turn it to adjust Holdoff time How to Operate the Function Menu The function menu control zone includes 9 function menu buttons and 3 immediate execution buttons MEASURE ACQUIRE AUTOSET UTILITY 42 User Manual of Smart Digital Storage Oscilloscope CURSOR AUTOSCALE SAVE DISPLAY HELP RUN STOP COPY and Single How to Implement Sampling Setup Press the ACQUIRE button and the menu is displayed in the screen shown as Fig 5 25 Fig 5 25 ACQU MODE Menu The description of the Sampling Setup Menu is shown as follows Setting General sampling mode It is used for the detection of the jamming Peak Detect burr and the possibility of reducing the Sample confusion It is used to reduce the random and don t care noises with the optional number of averages Averages 4 16 64 128 Choose the number of averages 1000dots 10K dots
6. Output Voltage About 5V with the Peak to Peak value equal to or greater Typical than 1MQ of load Frequency Typical Square wave of 1KHz Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT II 1A T grade 250V Environment Jemoet 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 155mm 70mm L H W About 1 82 kilogram Interval Period of Adjustment One year is recommended for the calibration interval period 81 User Manual of Smart Digital Storage Oscilloscope 9 Appendix Appendix A Enclosure Standard Accessories Passive probe 2 1 2 m 1 1 10 1 CD x 1 PC link application software RS232 or USB cable Power cord 1pcs up to the standards of the country in which it is used User Manual lpcs Options Battery Appendix B Maintenance Cleaning and Repairing General Maintenance Please don t store or put the instrument in the place where the liquid crystal display will be directly exposed to the sunlight for a long time Caution The instrument or probe should not be stained with the spraying agent liquid and solvent to avoid any damage to it Cleaning Check the probe and instrument regularly according to their operating state Clean the external surface of the instrument following the steps shown below 1 Please wipe the d
7. keep the package With the transportation department or the LILLIPUT 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 Instrument to the Power and Push down the Power Switch Button 14 User Manual of Smart Digital Storage Oscilloscope The instrument carries out all self check items and shows the Boot Logo Press the UTILITY button to get access to the FUNCTION menu press H1 button then adjust the M knob to select Adjust menu and press F3 to call out the function 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 AUTO SET Button The square wave of 1 KHz frequency and 5V peak peak value will be displayed in several seconds see Fig 4 7 12 5MS s M 500us Depth 100K a Fig 4 7 Auto set Check CH2 by repeating Step 2 and Step 3 How to Implement the Probe Compensation
8. 4 Control key and knob area oO User Manual of Smart Digital Storage Oscilloscope 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 2 AC power input jack Right side panel 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 equipment 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 9 User Manual of Smart Digital Storage Oscilloscope the oscilloscope regarded as Device equipment For example to use this port when connect PC to the oscilloscope by USB 3 COM port To connect the oscilloscopes and external equipment as serial port 4 LAN function reserved Rear Panel 4 5 4 Fig 4 4 Rear Panel Pass Fail output port The Pass Fail testing results can be output by the port Handle Air vents Foot stool Ground connection a oS i 10 User Manual of Smart Digital Storage Oscilloscope Control key and knob area Ar KR wWN gt 7 2 3 6 7 8 Fig 4 5 Keys Overview Menu option setting H1 H5 Menu option setting F1 F5 Menu off M knob Multipurpose knob Function key area Total 12 keys Vertical control area It s including 3 keys and 4 k
9. Length 1000K dots Choose the record length 1M dots 10M dots Change the ACQU Mode settings and observe the consequent variation of the wave form displayed 43 User Manual of Smart Digital Storage Oscilloscope 0 000ns Acgqu Mode J sample Peak detect Average 16 f f 0 00mv 12 5M5 s M 500us Depth 100K FBequ 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 is heavy 0 000ns Acqu Mode j sample Peak detec Average eee mn o eee ee ee ns oe O D D 16 12 5MS s M 500us Depth 100K CRED ce Model Length Fig 5 27 Common ACQU Mode display in which no burr can be detected 44 User Manual of Smart Digital Storage Oscilloscope 0 000ns 12 5MS 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 Push down the DISPLAY button and the menu displayed in the screen is shown as Fig 5 29 Fig 5 29 Display Set Menu The description of the Display Set Menu is shown as follows Setting Vector The space between the adjacent sampling points Type in the display is filled with the vector form Dot Only the sampling points are displayed OFF 1 second 2 seconds Turn the M knob to set the persistence time Persist 5 seconds Infinity Clear the
10. 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 pulse trigger and slope trigger Edge Trigger It happens when a specified voltage level passes through the trigger input in the specified slope direction Video Trigger Carry out field or line video trigger on the standard video signal Pulse Trigger Use this trigger type to catch pulses with certain pulse width Slope Trigger The oscilloscope begins to trigger according to the signal rising or falling speed 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 falling edge or rising amp falling edge The Edge Trigger Menu is shown as Fig 5 17 35 User Manual of Smart Digital Storage Oscilloscope Fig 5 17 Edge trigger menu Edge menu list MENU SETTINGS INSTRUCTION Single Mode Edge Set vertical channel trigger type for edge trigger Select CH1 as trigger signal Select CH2 as trigger signal Source Select Ext trigger as trigger signal Select attenuated Ext TRIG 5 as trigger signal Select power line as trigger signal Not allow DC portion to pass Allow al
11. 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 User Manual of Smart Digital Storage Oscilloscope 1 Set the attenuation coefficient of the probe in the menu as 10X and that of the switch in the probe as 10X and connect the oscilloscope 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 necessary Fig 4 9 Adjust Probe How to Set the Probe Attenuation Coefficient The probe has several attenuation coefficients which will influence the vertical scale factor of the oscilloscope If it is required to change check the set value of the probe attenuation coefficient press the function menu button of the channels used then push down
12. channel When the triggering mode is alternating triggering it is a two channel cymometer and it can measure the frequency of two channels Only if measured channel has triggering signal and at Edge mode it can measure frequency correctly The cymometer display at the right bottom of the screen To make a cymometer setting do the following 1 Press the DISPLAY button and call out the Display Set Menu 2 Press the H4 to set the cymometer to be on or off 48 User Manual of Smart Digital Storage Oscilloscope How to Save a Waveform Press the SAVE button you can save and call out the waveforms in the instrument The menu displayed in the screen is shown as Fig 5 34 Fig 5 34 Waveform Save Menu The description of the Waveform Save Menu is shown as the following table Setting Wave Setting Choose the saving type Image When the type is Wave the menu ns as following Source Choose the waveform to be saved rer Object a Choose the address in or from which the J waveform is saved or can be get access to Object amp show Switch on or off the display of the stored Show oe waveform Save the waveform of the source in the Save selected address Internal Select Internal or External as storage Storage External medium When the type is Setting the menu shows as following Setting1 Setting nae The setting address Settings Save Save the setting O o Recall Recall the setting When the ty
13. displayed in the screen shown as Fig 5 54 12 5M5 s M 500us Depth 100K Fig 5 54 Autoscale Horizontal Vertical multi period waveforms Note 1 Entering into Autoscale function and G flicker will be on the top left corner flicker every 0 5 second 2 At the mode of Autoscale the oscilloscope can self estimate Trigger Type 6 5 User Manual of Smart Digital Storage Oscilloscope Edge Video and Alternate and mode Edge Video If now you press Trigger mode or Type it can t work 3 Atthe mode of XY and STOP status pressing AUTO SET to enter into Autoscale DSO switches to YT mode and AUTO status 4 At the mode of Autoscale DSO is always in the state of DC coupling and AUTO triggering In this case it can t work when making Triggering or Coupling settings 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 and if press AUTOSET again the oscilloscope will enter into Autoscale 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 below settings will be made forcibly 1
14. finish setting of CH1 8 Press the F2 menu selection button and choose CH2 as the source 9 Press the F1 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 Fl 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 in the reading window automatically see Fig 5 44 0 000ns 12 5M5 s M 500us Depth 100K r Fig 5 44 automatic measurement The automatic measurement of voltage parameters The SDS series oscilloscopes provide automatic voltage measurements including 57 User Manual of Smart Digital Storage Oscilloscope Vpp Vmax Vmin Vavg Vamp Vrms Vtop Vbase Overshoot and Preshoot Fig 5 45 below shows a pulse with some of the voltage measurement points Overshoot Vmax LA Vtop y PP Vamp Vhase Vmin Preshoot Fig 5 45 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 Defi
15. is within the range of n 2 n or a 32 2 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 TRIG MENU button to display the trigger menu 12 User Manual of Smart Digital Storage Oscilloscope Press the H1 menu selection button to display the trigger type menu Press the F1 menu selection button and choose Single for Type Adjust the M knobs to choose Video as the mode Press the F2 menu selection button and choose CH1 for Source Press the H3 menu selection button to display the modu menu Press the F1 menu selection button and choose NTSC for the modu Press the H4 menu selection button to display the sync menu Press the H2 menu selection button and choose Field for Sync Adjust the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper waveform display see Fig 6 7 125M5 s M 50us Depth 100K Fig 6 7 Waveform Obtained from Video Field Trigger 76 User Manual of Smart Digital Storage Oscilloscope 7 F A Q L In the case of that the oscilloscope is still in the black screen state without any display after the power is switch on implement the following fault treatment procedure Check whether the power connection is connected properly Check whether
16. l Day Month Setting Date Month Key locks without any effects KeyLock Unlock is to press 50 in trigger menu then press Force key and repeat another 2 times About 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 Display Display ale Fig 5 37 Display Menu The description of Display Menu is shown as the follows User Manual of Smart Digital Storage Oscilloscope Function Menu Setting Description Backlight 0 100 Turn the M knob to adjust the backlight cart o N N Turn on or off the battery display S5s 50s OFF Set the disappear time of menu Adjust Press the Utility button and turn the M knob to select the Adjust to go to the following menu Fig 5 38 Adjust Menu The description of Adjust Menu is shown as the follows Setting Self Cal Pe 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 Then press the H1 and the functi
17. nae n o o o TG e s a O OG e s a O l l e s s a D n n o o ert 4 12 5MS s M 500us o i MALLS Coupling Inverted Probe DC OEEO F F x10 Fig 5 4 Waveform not inverted eee el el ee ee T MA are 12 5MS s M 500us pepe Coupling Inverted Probe DC x10 OT OS On Fig 5 5 Waveform Inverted 25 User Manual of Smart Digital Storage Oscilloscope Implementation of Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the additive multiplication division subtraction operations and the FFT operation between Channel 1 and Channel 2 Fig 5 6 Wave math menu The corresponding FCL Functional Capabilities List of the Waveform Calculation Setting H1 l sae Select the signal source of the factor Dual Wf N Sign Select the sign of mathematical manipulation Math CH1 Factor 2 CH2 Select the signal source of the factor2 CH1 CH2 dB Select dB for Format Format Vrms Select Vrms for Format I Set multiple 1 Zoom a Set multiple 2 Select CH1 as FFT source Source Select CH2 as FFT source Rectangle Blackman Window Select window for FFT Hanning FFT Hamming User Manual of Smart Digital Storage Oscilloscope Set multiple 5 Set multiple 10 Taking the additive operation between Channel 1 and Channels 2 for example the operation steps are as follows 1 Press the MATH MENU button and call out the Dual Wfm Math menu 2 Press t
18. the corresponding Cursor 1 and Cursor 2 3 Adjust the positions of CURSORI1 and CURSOR2 according to the measured waveform Increment window shows two cursors difference value and the present position see Fig 5 52 6 3 User Manual of Smart Digital Storage Oscilloscope 0 000Hz 4x 1 000KHZ pl ee OD S x2 1 005KHZ 1 00001KHz SKS s 250Hz f 800mv 0 00div Fig 5 52 wave of Freq cursor measurement How to use Autoscale The function is applied to follow up signals automatically even if the 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 53 Autoscale menu The menu is as follows OFF Turn off Autoscale Autoscale ON Turn on Autoscale 6 4 User Manual of Smart Digital Storage Oscilloscope AVIAV Follow up and adjust vertical scale without changing horizontal setting Follow up and adjust horizontal scale without changing vertical setting Follow up and adjust the vertical and horizontal settings Only show one or two periods Show Multi period waveforms If you want to measure the two channel signal you can do as the follows 1 Press Autoscale the function menu will appear on the right of the screen 2 Press H1 and choose ON ra ort 3 Press H2 and choose for Mode item 4 Press H3 and choose avava for Wave item Then the wave is
19. the power switch is pushed down to the designated position Restart the instrument after complete the checks above If this product still can not work normally please get in touch with Lilliput and we will be under your service After acquiring the signal carry out the following operations if 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 is 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 greater or smaller than the actual value Check whether the channel attenuation coefficient and the attenuation ration of the probe used in practical application is match 4 There is 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 Only if a proper trigger mode 1s applied the wavef
20. the selection button corresponding to the probe till the correct set value is shown This setting will be valid all the time before it is changed again ZN Note The attenuation coefficient of the probe in the menu is preset to 10X when the oscilloscope is delivered from the factory Make sure that the set value of the attenuation switch in the probe is the same as the menu selection of the probe in the oscilloscope 16 User Manual of Smart Digital Storage Oscilloscope The set values of the probe switch are 1X and 10X see Fig 4 10 Pw Fig 4 10 Attenuation Switch Note When the attenuation switch is set to 1X the probe will limit the bandwidth of the oscilloscope in SMHz If it is needed to use the whole 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 the electric shock shown as Fig 4 11 wae oy Fig 4 11 Finger Guard PAN Warning In order to avoid suffering from the electric shock please keep your finger behind the safety guard ring of the probe body during the operation In order to protect you from suffering from the electric shock during your using the probe do not touch the metal part of the probe tip when the probe is connected to the power supply Before making any measurements please connect the probe to the instrument and connect the ground terminal to the earth How to Implem
21. 100K Fig 6 4 Waveform of the Signal Containing Noises Separate Noises from the Signal When analyze the waveform of a signal you should remove the noise in it For the reduction of the random noise in the oscilloscope display please operate the instrument according to the following step 1 Press the ACQUIRE button to show the ACQU MODE menu 2 Press the H1 button to display ACQU menu 3 Press the F3 menu selection button and observe the waveform obtained from averaging the waveforms of different average number After the averaging the random noise is reduced and the detail of the signal is easier to be observed Shown as follows after the noise is removed the burrs on the rising and falling edges appear see Fig 6 5 73 User Manual of Smart Digital Storage Oscilloscope 12 5MS s M 500us Depth 100K Fig 6 5 Waveform of the Noise Removed Signal 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 Connect the oscilloscope with the circuit and monitor the input and output signals of the circuit 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 l Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X Connect the probe of channe
22. 5MS s M 500us Depth 100K 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 and the sampling rate is 1MS s and can not be changed The operations of all control knobs are as follows E The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel lare 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 M Reference or digital wave form Cursor Time base control Trigger control FFT Operation steps 1 Press the DISPLAY button and call out the Display Set Menu 47 User Manual of Smart Digital Storage Oscilloscope 2 Press the H3 menu selection button to set XY DISPLAY open The display format is changed to be XY mode see Fig 5 33 SOKS s M 1 0Oms Depth 1K Fig 5 33 XY Display Mode Cymometer It is a 6 digits cymometer Its measurement range of frequency is 2Hz to full bandwidth Set up cymometer limit to ON status When the triggering mode is edge triggering it is a one channel cymometer and it can only measure the frequency of the triggering
23. C DIV knob it is used to set the horizontal scale factor for setting the main time base or the window 3 HORIZONTAL MENU button with this button pushed down the screen shows the operating menu see Fig 5 13 Fig 5 13 Time Base Mode Menu The description of the Horizontal Menu is as follows Setting ee The setting of the horizontal main time base is Main Time Base used to display the waveform Set Window A window area is defined by two cursors This function is not available at FFT mode Zone Window The defined window area for display 1s 32 User Manual of Smart Digital Storage Oscilloscope expanded to the full screen Main Time Base Press the H1 menu selection button and choose the Main Time Base 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 12 5M5 s M 500us Depth 100K Fig 5 14 Main Time Base Set Window Press the H2 menu selection button and choose Set Window The screen will show a window area defined by two cursors In this case the HORIZONTAL POSITION and SEC DIV knobs can be used to adjust the horizontal position and size of this window area See Fig 5 15 33 User Manual of Smart Digital Storage Oscilloscope WON 0 000ns EEE onns aun O E E E ll ee et ee 8 ll ee 12 5MS s M S500us W 100us Depth 100K orn o o O set Zeon Fig 5 15 Window Setting
24. OWON SDS6062 Smart Digital Storage Oscilloscope User Manual WWW OWON COM CN Dec 2010 edition Copy Right in this Manual Lilliput Company All rights have been 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 2 130430 Fax 86 596 2109272 Web www owonchina com Mail service owonchina com User Manual of Smart Digital Storage Oscilloscope General Warranty The Lilliput warrants that the product will be free from defects in materials and workmanship for a period of three years from the date of purchase of the product by the original purchaser from the Lil
25. Rule8 as your rule name Rulesave 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 configurable and photoelectric isolation output port To run the test read the following steps l Press Utility menu button then H1 turn M knob to choose Pass Fail menu option it shows Pass Fail in the bottom menu 2 Enable switch on Press H2 3 Create rule Press H4 to enter rule setting menu Press F1 to choose the channel Press F2 matching M knob to set Horizontal tolerance Press F3 matching M knob to set Vertical tolerance Press F4 to create the rule 4 Set output type Press H3 to enter output option setting Choose any one or two of the options Pass Fail or Beep but 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 menu button then F2 select begin to begin the test 6 Save rule Press H5 menu then F2 to save the rules which could be called up at once when need To call up the rule saved press H5 then F3 54 User Manual of Smart Digital Storage Oscilloscope 1 300ms 1MS s M 5 0ms f 400mv Depth 100K ff
26. S s 250MS s for dual channels Dual channel 10M points on each channel for the Record length Reading out with the cursor Twenty automatic measurement functions Autoscale function Color liquid crystal display of high resolution and high contrast with adjustable back light Storage and call out of waveforms Automatic setting function provided capable of fast setting Multiple waveform calculation function Built in FFT function Pass Fail Function optically isolated Pass Fail output Implementation of detecting the average and peak values of the waveform Digital real time oscilloscope Edge Video Pulse Slope and Alternate triggering function RS232 or USB communication ports Different continuous displaying time Built in Chinese and English help system Multiple language user interfaces User Manual of Smart Digital Storage Oscilloscope 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 calibration Introduction to the vertical system Introduction to the horizontal system Introduction to the trigger system User Manual of Smart Digital Storage Oscilloscop
27. Slope trigger menu list MENU SETTING INSTRUCTION Single SI e Se ee CH1 Select CH1 as the trigger source CH2 Select CH2 as the trigger source Source EXT Ext trigger EXT 5 Ext trigger divide to 5 to extend trigger level range AC LINE AC Line as resource trigger signal sl eai Slope selecting When BE E E ae Set slope condition turn the M knob to set slope 73 ate che time High level Adjust M knob to set the High level upper limit Threshold Low level Adjust M knob to set Low level lower limit Slew rate Slew rate High level Low level Settings 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 adjust M knob to set time interval Holdoff before another trigger occur Reset Set Holdoff time as 100ns 38 User Manual of Smart Digital Storage Oscilloscope Alternate trigger Trigger signal comes from two vertical channels when alternate trigger 1s 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
28. The unit will switch from non main time base to main time base status 2 The unit will switch to Peak detection menu while in the state of Average sampling mode How to Use Executive Buttons Executive Buttons includes AUTOSET RUN STOP Single COPY AUTOSET This button is used for the automatic setting of all control values of the instrument to generate the waveform suitable for observation Press the AUTOSET button and the oscilloscope will perform the fast automatic measurement of the signal The function items of AUTOSET are shown as the following table Function Items Setting Acquisition Mode Vertical Coupling Auto Trigger Mode Auto Display Format 6 6 User Manual of Smart Digital Storage Oscilloscope RUN STOP Enable or disable the waveform sampling Notice Under the Stop state the vertical division and the horizontal time base of the waveform 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 equal to or 1s less than 50ms 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 1 If storage media is inner media press COPY to store the corresponding waveforms into internal memory storage form is VECTOR 2 If storage media is selected as external me
29. al GROUND The Input signal is interrupted OFF The waveform is displayed normally Inverted y ON Initiate the waveform inverted function 1X Choose one according to the probe attenuation factor to make the vertical scale reading accurate 1 Setting 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 menu selection button the Coupling menu will display at the screen 3 Press the F1 menu selection button again and select the Coupling item as DC setting the channel coupling as DC mode under which both DC and AC components in the signal will be unblocked Then press F2 select the Coupling item as AC to set the channel coupling as AC mode under which the direct current component in the signal will be blocked The waveforms are shown as Fig 5 2 12 5MS s M S500us Depth 100K Fig 5 2 AC Coupling Oscillogram 23 User Manual of Smart Digital Storage Oscilloscope 2 Regulate the probe attenuation In order to match the attenuation coefficient of the probe it 1s required to adjust the attenuation ration coefficient of the probe through the operating menu of the Channel accordingly If the attenuation coefficient of the probe is 1 1 that of the oscilloscope input channel should also be set to 1X to avo
30. and after the event are significantly different This is a very good window for measuring amplitude accuracy but less so for resolving frequencies FAN Hanning Use Hanning for measuring sine periodic and narrow band random noise This window works on transients or bursts where the signal levels before and after the event are significantly different User Manual of Smart Digital Storage Oscilloscope This is the best window for measuring the amplitude of frequencies but worst at resolving frequencies Blackman Use Blackman Harris for measuring predominantly single frequency waveforms to look for higher order harmonics Fig 5 8 5 9 5 10 5 11 show four kinds of window function referring to sine wave of 1KHz 0 000Hz FFT Source cht CEZ Window Blackman Format 1 Se ce Pr Sereebevnet anon enai Vrms dB Zoom x1 1 00000KHz f 800mv 0 00div Dual Wfm Dom PEs Math Fig 5 8 Blackman window WON 0 000Hz i pa o Ae FFT Source lall ORA Window Hamming D a ae A eee Cee ES E EEEE EN AA ee a Format E Vrms dB Zoom ix 1 1 00001KHz _f 800mv 0 00div haa wen IRIN Math Fig 5 9 Hamming window 29 User Manual of Smart Digital Storage Oscilloscope Won Mo o000Hz ia Sa FFT Source CH1 CAZ Window Rectangle Format 1 Sees Ce Preeti Vrms dB Zoom x1 1 00002KHz _f 800mv Oo SKS s est 0 00div Dual Wfm FFT Math F
31. can be changed 2 Use the TRIG LEVEL knob to change the trigger level setting With the rotation of the LEVEL knob it can found that the trigger indicator in the screen will move up and down with the rotation of the knob With the movement of the trigger indicator it can be observed that the trigger level value displayed in the screen changes PS Turning the level knob can change trigger level value and it is 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 20 User Manual of Smart Digital Storage Oscilloscope 5 Advanced User Guidebook Up till now you have already been familiar with the initial operations of the functions of the function areas buttons and knobs in the front panel of the SDS series oscilloscope Based the introduction of the previous Chapter the user should have an intimate 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 One Junior Users Guidebook This chapter will deal with the following topics mainly How to Set the Vertical System How to Set the H
32. cquire one waveform then stop Holdoff 100ns 10s adjust M knob to set time interval Holdoff before another trigger occur Reset Set Holdoff time as 100ns 3 Pulse Width Trigger 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 19 Fig 5 19 Pulse Width Trigger menu Pulse Width Trigger menu list MENU SETTING INSTRUCTION CH1 Select CH1 as the trigger source Source CH2 Select CH2 as the trigger source AC Not allow DC portion to pass DC Allow all portion pass 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 Coupling Polarity Choose the polarity 37 __User Manual of Smart Digital Storage Oscilloscope eee Select pulse width condition and adjust the M knob to set time 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 adjust M knob to set time interval Holdoff before another trigger occur Reset Set Holdoff time as 100ns 4 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 20 Fig 5 20 Slope trigger menu
33. dia the waveform is storage to USB flash drive The storaged waveforms have two forms one is vector the other is bitmap and the files are named according to the current time in the unit After storage connect with USB flash drive open the vector data by OWON waveform analysis software or open bitmap directly 6 7 User Manual of Smart Digital Storage Oscilloscope 6 Demonstration Example 1 Measurement of Simple Signals Observe an unknown signal in the circuit and display and measure rapidly the frequency and peak to peak value 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 as 10X 2 Connect the probe of Channel 1 to the measured point of the circuit 3 Push down 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 displayed signals automatically Such as measure the frequency the peak to peak value of the Channel CH1 and the mean the RMS of the Channel CH2 follows below steps 1 Press the MEASURE button to show the automatic measurement function menu 2 Press the H1 to display the Add menu 3 Press the F2 menu selection button and choose CH1 a
34. e 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 88888 oo a 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 battery is in charging if there is battery inside DSO Dim Only powered by battery without connecting AC Power
35. e between the wave form and the signal ground If the channel is under the AC mode the DC component will be removed by filtration This mode helps you display the AC component of the signal with a higher sensitivity Vertical offset back to 0 shortcut key Turn the 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 18 User Manual of Smart Digital Storage Oscilloscope Rotate 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 MENU 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 10 there are a button and two knobs in the HORIZONTAL CONTROLS The following practices will gradually direct you to b
36. e familiar with the setting of horizontal time base Fig 4 13 Horizontal Control Zone 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 The horizontal scanning speed steps from 5 ns up to 100s in the sequence of 1 2 5 SDS6062 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 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 With the HORIZONTAL MENU button you can do the Window Setting and the Window Expansion User Manual of Smart Digital Storage Oscilloscope Introduction to the Trigger System Shown as Fig 4 11 there are a knob and three buttons in the TRIGGER CONTROLS The following practices will direct you to be familiar with the setting of the trigger system gradually Fig 4 14 Trigger Control Zone l Press the TRIG Menu button and call out the trigger menu With the operations of the menu selection buttons the trigger setting
37. e of cursor 1 and cursor 2 and the present position of the two cursors see Fig 5 48 yl 116 00v y2 104 00v i 12 5MS s M 500us 4 00v Depth 100K f Fig 5 48 Waveform of Voltage Cursor Measurement Carry out the following operation steps for the time cursor measurement of the 6 0 User Manual of Smart Digital Storage Oscilloscope channel CH1 1 Press CURSOR and recall the CURS MEAS menu 2 Press the H2 menu selection button and choose CH1 for Source 3 Press H1 the type menu will display at the right of the screen Press the F3 menu selection button and choose Time for Type with two purple dotted lines displayed along the vertical direction of the screen which indicating Cursor 1 and Cursor 2 4 Adjust the positions of CURSOR1I and CURSOR2 according to the measured waveform The cursor increment window at the left bottom of the waveform shows absolute difference frequency and the present time of the two cursors Aax 0 900ms 1 ax 1 111KHZ x1 0 660ms x2 0 240ms 12 5MS s M 500us Depth 100K f Fig 5 49 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 50 User Manual of Smart Digital Storage Oscilloscope Fig 5 50 CURS MEAS Menu The description of the cursor measurement menu is sho
38. ent Auto calibration The auto 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 but when the range of variation of the ambient temperature is up to or over 5 C this program must be executed For the performing of the self calibration all probes or wires should be disconnected with the input connector first Then press the UTILITY button to call out the FUNCTION menu press H2 menu to choose the option Do Self Cal finally run the program when everything is ready User Manual of Smart Digital Storage Oscilloscope Introduction to the Vertical System Shown as Fig 4 9 there are a series 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 DC component of the signal through the observation of the differenc
39. gger occurs acquire one waveform then stop Holdoff 100ns 10s adjust M knob to set time interval before Holdoff another trigger occur Reset Set Holdoff time as 100ns 3 Alternate trigger Trigger Mode Pulse Alternate trigger Trigger Type Pulse Menu is shown as Fig 5 23 Fig 5 23 Alternate trigger Trigger Type Pulse Menu Alternate trigger Trigger Type Pulse menu list CH2 Select CH2 as the trigger source AC Not allow DC portion to pass DC 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 NOOS e TNE Pod Coupling User Manual of Smart Digital Storage Oscilloscope Select pulse width condition and turn the M knob to set time Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs acquire one waveform then stop Holdoff 100ns 10s adjust M knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns Holdoff 4 Alternate trigger Trigger Mode Slope Alternate trigger Trigger Type Slope Menu is shown as Fig 5 24 Fig 5 24 Alternate trigger Trigger Type Slope Menu Alternate trigger Trigger Type Slope menu list Alternate C5 Source CH1 Select CH1 as the trigger source CH2 Select CH2 as the trigger source EA Select slope condition When x
40. he 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 Factorl 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 Mathematical Manipulation Using FFT function An FFT breaks down signals into component frequencies which the oscilloscope uses to display a graph of the frequency domain of a signal as opposed to the oscilloscope s standard time domain graph You can match these frequencies with known system frequencies such as system clocks oscillators or power supplies FFT in this oscilloscope can transform 2048 points of the time domain signal into its frequency components and the final frequency contains 1024 points ranging from 0OHz to Nyquist frequency Taking the FFT operation for example the operation steps are as follows 1 Press the MATH MENU button and call out the WAVE MATH menu 27 User Manual of Smart Digital Storage Oscilloscope 2 Press the H2 button and call out the FFT menu Press the F1 to choose CH1 as the source Press F2 button the windows item will display at the left of the screen adjust the M Aw knob to select WINDOW including Rectangle Hamming Hanning and Blackman 5 Press F3 to c
41. he triggering level at the vertical point of signal amplitude in Trigger setting 4 Measure Application of VERTICAL POSITION and VOLTS DIV Knobs The VERTIVAL POSITION knob is used to adjust the vertical positions of the waveforms of all Channels including those resulted from the mathematical operation 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 of all channels including those obtained from the mathematical manipulation which can determine the sensitivity of the vertical division with the sequence of 1 2 5 The vertical sensitivity goes up when the knob 1s rotated clockwise and goes down when the knob is rotated anticlockwise When the vertical position of the channel waveform is adjusted the screen shows the information concerning the vertical position at the lower left corner see Fig 5 12 31 User Manual of Smart Digital Storage Oscilloscope a U re oN J 12 5M87s M 500us Depth 100K Fig 5 12 Information about Vertical Position How to Set the Horizontal system The HORIZONTAL CONTROLS includes the HORIZONTAL MENU button and such knobs as HORIZONTAL POSITION and SEC DIV 1 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 2 SE
42. his product or other property Safety Symbols Symbols on the product The following symbol may appear on the products A A 7 High Voltage Please Consult the Manual Protective Ground End Earth End on the Shell Grounding End for Measurement User Manual of Smart Digital Storage Oscilloscope To avoid body damage and prevent product and connected equipment dam This product can only be used in the specified applications Carefully read the following safety information before using the test tool A Warning To avoid fire or electrical shock if an oscilloscope input is connected to more than 42V peak 30Vrms or on circuits of more than 4800VA please take note of below items Only use accessory insulated voltage probes or test lead Before using DSO please inspect oscilloscope accessories such as probe to see if they are in good condition if not please replace them Remove probes test leads and other accessories that are not necessary use Remove USB cable which connects oscilloscope and computer Please pay special attention when the probe is set as 1 1 and do not apply input voltages above the rating of the instrument because the probe tip voltage will directly transmit to the oscilloscope Do not use exposed metal BNC or banana plug connectors Do not insert metal objects into connectors User Manual of Smart Digital Storage Oscilloscope 3 General Characteristics Model Bandwidth Sample Rate SDS6062 60MHz SOOM
43. hoose the Format including dB Vrms 6 Press F4 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 1 2 5 10 Selecting an FFT Window m The FFT feature provides four windows Each one is a trade off 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 This is the best type of window for resolving frequencies that are very close to the same value but worst for accurately measuring the amplitude of those frequencies It is the best type for measuring the frequency spectrum of nonrepetitive signals and measuring frequency components near DC Rectangle Use rectangle for measuring transients or bursts where the signal level before and after the event are nearly equal Also use this window for equal amplitude sine waves with frequencies that are very close and for broadband random noise with a relatively slow varying spectrum This is a very good window for resolving frequencies that are very close to the same value with somewhat improved amplitude accuracy over the rectangle window It has a slightly better Hamming frequency resolution than the Hanning Use Hamming for measuring sine periodic and narrow band random noise This window works on transients or bursts where the signal levels before
44. id any errors presented in the displayed scale factor information and the measured data 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 access CH1 SETUP menu 2 Press the H3 menu selection the Probe menu will display at the right of the screen then Press the F2 to select 10X 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 1s used 12 5MS s M 500us Depth 100K Fig 5 3 Regulation of the Attenuation Ratio of the Probe A List of the Attenuation Coefficient of Probes and the Corresponding Menu Settings Attenuation Coefficient of the Probe Corresponding Menu Setting a es ee gt 1X 3 Setting of Waveform Inverted Waveform inverted the displayed signal is turned 180 degrees against the phase of the earth potential 24 User Manual of Smart Digital Storage Oscilloscope Taking the Channel 1 for example the operation steps are shown as follows 1 Press the CH1 MENU button and get access to the CH1 SETUP menu 2 Press the H2 menu selection button and select ON in the Inverted The waveform inverted function is initiated 3 Press the H2 menu selection button again and select OFF for Inverted item The function of waveform inverted is closed off For the screen display see Fig 5 4 and Fig 5 5 WON
45. ieeassceaadsidasisiesesucasanvoniveaeeaeveseh senievecdees 32 How to set the rigger Systemi escini a cedeuenddssaseiSencesarsdes 35 Selem Te QR Ree nen ee ee er A a A ee eee eae 35 Alternate tri OC eset dears ae eden Aa gees acca hetero ea masse E Ge etter aaa a ee ee 39 How to Operate the Function Men ssisicaccscsescscscssscsssasscssssssscaccccsoscccsesscsossassecssesssscacedeseccccseneees 42 How to Implement Sampling Setup zinniae a A r 43 Howto ser the Display SY SU EN dtr sh it ce a Sh lk ee a a A 45 HOW 10 SAV AW AVC 1 OPIN 26 cect a a dass absaanuanedeatnbebe tonsa ansabute E 49 How to Implement the Auxiliary System Function Setting cccccssssssssssssssessssssssssssssssssessssesees I l How t Measure Antomatica ll yeresesaina ena a eats ae oats A yatiut Dea enna 90 User Manual of Smart Digital Storage Oscilloscope HOW OMe ASUIPS WICH CUIS OS jess ere cine ht venta AE EN deieadah una ise E A A E pg OW OSC AUSA Caa ashi dune hea adel redo tas Mre eee nat eat hdd ian denies 6 4 Howto Use Executive BUUONS eiiie a tree talinahcadees E 6 6 Gs Demons Talon onii 68 Example 1 Measurement of Simple Signalls scssccccccssssssssssscccccccessssssccccsssseessssecs 68 Example 2 Gain of the Amplifier in the Metering Circuit eeeoooooosssssssssscceseseosossssssssee 69 Example 3 Capture the Single Signal secccocssssseecccccssssseccccosssssececocsssesceccoosssseseccossssssseeesso 70 Example 4 Analy
46. ig 5 10 Rectangle window 0 000Hz i FFT Source halal CH2 Window Hanning Format oe Bo So eee endrei Vrms dB Zoom x1 1 00001KHz 800mv Se e FFT Math Fig 5 11 Hanning window Quick Tips If desired use the zoom feature to magnify the FFT waveform Use the default dBV RMS scale to see a detailed view of multiple frequencies even if they have very different amplitudes Use the linear RMS scale to see an overall view of how all frequencies compare to each other Signals that have a DC component or offset can cause incorrect FFT waveform component magnitude values To minimize the DC component choose AC Coupling 30 User Manual of Smart Digital Storage Oscilloscope 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 Term interpretation Nyquist frequency The highest frequency that any Real Time Digital Oscilloscope can measure is exactly half of the sampling rate under the condition of no mistakes which is called Nyquist frequency If under sampling occurs when the frequency sampled is higher than Nyquist frequency False Wave phenomenon will appear 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 t
47. ion coefficient to 10X and that of the switch in the probe to 10X 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 button ACQUIRE to display the ACQUIRE Mode menu 4 Press H1 the screen will display the ACQUIRE menu 70 User Manual of Smart Digital Storage Oscilloscope 5 6 Ta 8 9 10 11 12 13 14 15 Press the F1 menu selection button and choose Peak Detect Press the TRIG MENU button to display the Trigger menu Press the H1 the screen will display the Trigger Mode menu Press the F1 menu selection button and choose Single as the type Adjust the M knob to choose Edge as the mode Press the H2 button to display the Source menu Press the F1 menu selection button and choose CH1 as the source Press the H3 menu selection button and choose DC as the Couple Press the H4 menu selection button to choose Rising as the Slope Rotate the LEVEL knob and adjust the trigger level to the mid value of the signal to be measured If the Trigger State Indicator at the top of the screen does not indicate Ready push down the RUN STOP button and start Acquire waiting the emergence of the signal in conformity with the trigger conditions If a signal reaches to the set trigger level one sampling will be made and then displayed in the screen With this function any random occurrence can be captured easily Taking the burst burr of larger a
48. is not opened 27 The red pointer 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 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 offices If there is damage to the instrument caused by the transportation please
49. ith the word Typical Bandwidth 60MHz 2 1 External oe Normal Peak detect Averaging Acquisition Sample rate real time SOOMS s 250MS s for dual channels Input coupling DC AC Ground Input impedance IMQ 2 in parallel with 1S5pF 5pF Max input voltage 400V PK PK DC AC PK PK 50Hz 100 1 Channel isolation 1OMHz 40 Time delay between Input 150ps channel typical Horizontal 0 5S s 500M5 s single channel Sampling rate range System 0 5S s 250MS s dual channel Record length 10M points on each channel Scanning speed S div 5ns div 100s div step by 1 2 5 Sampling rate relay 100ppm time accuracy 78 User Manual of Smart Digital Storage Oscilloscope Single 1 interval Interval AAT accuracy time 100ppmxreading 0 6ns DC 100MHz Average gt l16 1 interval time 100ppmxreading 0 4ns 8 bits resolution 2 Channels A D converter simultaneously 1V 2mV 50mV 10V 100mV Displacement 1V 100V 2V 10V Analog bandwidth 60MHz Vertical system Single bandwidth Full bandwidth Low Frequency gt 5Hz at input AC coupling 3dB Rise time lt 5 8ns at input Typical Average gt 16 3 rdg 0 05 div for DC accuracy average AV AV and AT between cursors Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Automatic Period Rise Time Fall Time DelayA B DelayA B t Width MEASURE CIN Width Duty Du
50. l 1 to the input of the network and that of Channel 2 to the output of the network Push down the AUTOSET button with the oscilloscope turning on the signals of the two channels and displaying them in the screen Adjust the VOLTS DIV knob making the amplitudes of two signals equal in the rough Push down the DISPLAY button and recall the DISP SET menu Press the H3 menu selection button and choose XY display ON The oscilloscope will display the input and terminal characteristics of the network in the Lissajous graph form Adjust the VOLTS DIV and VERTICAL POSITION knobs optimizing the 74 User Manual of Smart Digital Storage Oscilloscope waveform 9 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 A B or C D where 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 a 2 or 32 2 27 If the principal axis of the ellipse is in the II and IV quadrants the determined phase difference angle is in the II and III quadrants that
51. l portion pass Couple 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 Ose a reee n sea angee O Trigger in signal falling edge 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 adjust M knob to set time interval before Holdoff l another trigger occur Reset Set Holdoff time as 100ns 2 Video Trigger Choose video trigger to trigger on fields or lines of NTSC PAL or SECAM standard video signals Trig menu refer to Fig 5 18 Fig 5 18 Video trigger menu 36 User Manual of Smart Digital Storage Oscilloscope Video menu list MENU SETTING INSTRUCTION Single Mode Video CHI Select CH1 as the trigger source CH2 Select CH2 as the trigger source Source EXT Ext trigger EXT 5 Ext trigger divide to 5 to extend trigger level range NTSC Modu PAL Select video modulation SECAM 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 knob to set the line number Auto Acquire waveform even no trigger occurred Mode Normal Acquire waveform when trigger occurred Single When trigger occurs a
52. liput company And the warranty period of accessories such as probe battery adapter is one year 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 resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Lilliput supplies or d to service a product that has been m
53. 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 47 Fig 5 47 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table nunenon Settin Description Menu 8 p User Manual of Smart Digital Storage Oscilloscope OFF Switch off the cursor measurement Type Voltage Display the voltage measurement cursor and menu Time Display the time measurement cursor and menu CH2 which the cursor measurement will be applied When carrying out the cursor measurement the position of Cursor can be adjusted with the CURSORI VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the CURSOR2 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 CURS MEAS menu 2 Press the H2 menu selection button and choose CH1 for Source 3 Press H1 the type menu will display at the right of the screen Then press the F2 menu selection button to choose Voltage for Type with two purple dotted lines displayed along the horizontal direction of the screen which indicating CURSOR1 and CURSOR2 4 Adjust the positions of CURSORI and CURSOR2 according to the measured waveform Cursor increment window at the left bottom of waveform shows absolute value of D valu
54. mplitude for example set the trigger level to the value just greater than the normal signal level and then presses the RUN STOP button and waits When there is a burr occurring the instrument will trigger automatically and record the waveform generated during the period around the trigger time With the HORIZONTAL POSITION knob in the horizontal control area in the panel rotated you can change the horizontal position of the trigger position to obtain the negative delay making an easy observation of the waveform before the burr occurs see Fig 6 3 71 User Manual of Smart Digital Storage Oscilloscope 62 5M5 s M 100us Depth 100K j Ea Fig 6 3 Capture the Single Signal Example 4 Analyze the Details of a Signal Observe the Signal Containing Noises If the signal is interfered by the noise the noise may cause a failure in the circuit For the analyzing of the noise in detail please operate the instrument according to the following steps 1 Press the ACQUIRE button to display the ACQU MODE menu 2 Press the H1 button to display ACQU menu 3 Press the F2 menu selection button and choose Peak Detect In this case the screen display contains the waveform of a random noise Especially when the time base is set as Low Speed then noise peak and burr contained in the signal can be observed with the peak detection See Fig 6 4 72 User Manual of Smart Digital Storage Oscilloscope 12 5MS5 s M 500us _ 0 00mv Depth
55. ned 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 46 shows a pulse with some of the time measurement points 58 User Manual of Smart Digital Storage Oscilloscope Ruse Time Fall Time l J J H Wdh gt k Width Fig 5 46 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
56. nnels into the proper display state Push down the MEASURE button to show the MEASURE menu Press the H1 menu selection button Press the F2 menu selection button to choose CH1 Press the F1 menu selection button and choose Pk Pk Press the F2 menu selection button and choose CH2 Press the F1 menu selection button again and choose Pk Pk eS eee a E Read the peak to peak values of Channel 1 and Channel 2 from the left bottom of screen see Fig 6 2 69 User Manual of Smart Digital Storage Oscilloscope 9 Calculate the amplifier gain with the following formulas Gain Output Signal Input signal Gain db 20xlog gain 12 5M5 s M 500us f 4 00v Depth 100K f Fig 6 2 Waveform of Gain Measurement Example 3 Capture the Single Signal The digital storage oscilloscope takes the lead in providing the convenience capturing of such non periodic signals as pulse and burr etc If you intent to capture a single signal you can not set the trigger level and the trigger edge unless you have particular priori knowledge of this 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 If it is uncertain as to the signal you can make an observation of it in advance under the automatic or ordinary mode to determine the trigger level and the trigger edge The operation steps are as follows 1 Set the probe menu attenuat
57. nobs CH1 menu and CH2 menu correspond to setting menu in CH1 and CH2 Wave 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 2 knobs and 1 key Horizontal position knob control trigger position Volts Div control time base Horizontal menu key refer to horizontal system setting menu Trigger control area with 4 keys and knob Trig adjust knob is to adjust trigger voltage Other 3 keys refer to trigger system setting 1 User Manual of Smart Digital Storage Oscilloscope User interface introduction a 3 4 5 6 7 9 130 0us Cna 9 40y Cursorl1 16 20v Cursor2 6 80v 12 5M5 s M 500us W 50us _f 200mv 7 Depth 100K r r CHI ya 23 22 21 20 19 18 Fig 4 6 Illustrative Drawing of Display Interfaces 1 Waveform Viewing Area 2 The Trigger State indicates the following information Auto The oscilloscope is under the Automatic mode and is collecting the waveform under the non trigger state Trig d The oscilloscope has already detected a trigger signal and is collecting the after triggering information Ready All pre triggered data have been captured and the oscilloscope has been already ready for accepting a
58. odified 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 User Manual of Smart Digital Storage Oscilloscope Table of Contents T General Safety REQUITCINCTIUS orisiirisii sees sebsunasavebuaaneieceus Ea E EEO NEREA 3 2 Safety Terms and SVINDOUS recisi i aE E E T E A E 4 LONT CHOTACICLISTCS EE E T 6 4 Junior User GUIACDOOK csini E eae EE 7 Introduction to the Structure of the Oscilloscope sssssseccccsssssseeccocsssesceccoossssseeceocssssseeesssssso 8 Fon paee ane nanan a mab eae E A E 8 PIC SINS pane iniaa a a a a A etna ta tend Gitte at 9 RENE Sl 1 AUN ts cea os esd i thc ete a a etna Rh ne ec et oa 9 REIPI eon an Monae eamoseats nouns A E E A E TETO AEO E E E O 10 Control key and KNOD Are daien iea n e EE E E AE 11 Userinterface introductione EA EE 12 How to implement the General Inspection sssssccccocossssscccoccsssesecccocsss
59. omplying with the specified type and nominal value for this product can be used Avoid touching any exposed circuit When the product is on power please don t touch the uncovered contacts and parts Please don t make any operations while there is an uncertain fault emerged If suspecting damage to this product please contact the qualified maintenance personnel for check Keep a good ventilation condition Please consult the detailed installation instruction in the user s manual so that this product can be erected correctly keeping it under a good 3 User Manual of Smart Digital Storage Oscilloscope ventilation condition Please do not make any operations in a moist environment Please do not make any operates in an explosive environment Keep the products surface clean and dry 2 Safety Terms and Symbols Safety Terms Terms in this manual The following terms may appear in this manual LN Warning A warning statement indicates the conditions and actions which may endanger the life safety damage to this product or other property Note A note statement indicates the conditions and actions which may cause Terms on the product The following terms may appear on this product Danger It indicates that there may be an immediate injury to you when you encounter this mark Warning It indicates that there may not be an immediate injury to you when you encounter this mark Note It indicates that there may be damage to t
60. on menu will display at the left of the screen turn the M to choose Adjust then press the H2 menu selection button and choose Self Cal entering the self calibration procedure of the instrument 5 2 User Manual of Smart Digital Storage Oscilloscope Autocalibration Remove all probes cables from CH1 CH2 Press lt Auto calibration gt tom Calibration Press any key to quit 1MS s M 5 0ms _ 0 00mv Depth 100K f r Fig 5 39 Self Calibration 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 to select the Pass Fail to go to the following menu pass fail Fig 5 40 Pass Fail menu 55 User Manual of Smart Digital Storage Oscilloscope 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 adjusting the M knob Vertical Change the Vertical tolerance value by adjusting the M knob Create Use the rule set as testing rule Number Choose any one from Rulel
61. or that has been approved to be used in this user state Connect or Disconnect Correctly When the probe or testing wire is connected to the power lead please do not connect and disconnect the probe or testing wire at random Product Grounded This product is grounded through the power lead grounding conductor In order to prevent any electric shocking the grounding conductor must be connected to the ground It requires guarantee that this product has been already grounded correctly 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 Pay attention to the nominal values of all terminals In order to prevent any fire or electric shock risks please pay attention to all the nominal values and marks of this product Before implement any connections for this product please read the user s manual of this product to understand the information about the rated values further Do not make any operations without the instrument cover installed If the cover or panel has already been removed please don t operate this product Use the proper fuse Only the fuse c
62. orizontal 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 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 21 User Manual of Smart Digital Storage Oscilloscope How to Set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1 MENU CH2 MENU and MATH MENU and four knobs such as VERTICA POSITION VOLTS DIV one group for each of the two channels Setting of CH1 and CH2 Every channel has an independent vertical menu and each item is set respectively based on the channel With the CH1 MENU or CH2 MENU menu button pushed down the system shows the operation menu of the corresponding channel see Fig 5 1 Press the button again to turn off the channel CH1 menu CH2 menu Couple setting Probe setting Fig 5 1 Channel Setting Menu 22 User Manual of Smart Digital Storage Oscilloscope The description of the Channel Menu is shown as the following list Setting DC Unblock the AC and DC components in the input signal Coupling AC Block the DC component in the input sign
63. orm 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 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 After the AVERAGE value sampling is set in the ACQU MODE or the longer duration is set in the DISP MODE the display rate is slowed down It is a normal phenomenon 71 User Manual of Smart Digital Storage Oscilloscope 8 Technical Specifications Unless otherwise specified the technical specifications applied are applicable to the probe with the attenuation switch setting 10X and the SDS series digital oscilloscope Only if the oscilloscope fulfill the following two conditions at first can these specification standards be reached E This instrument should run for more than 30 minutes continuously under the specified operating temperature m Ifthe change range of the operating temperature is up to or exceeds 5 C open the system function menu and execute the Auto calibration procedure All specification standards can be fulfilled except one s marked w
64. ow 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 DelayA B value and ND the DelayA B t 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 indicates the direct current coupling 13 User Manual of Smart Digital Storage Oscilloscope 66 indicates the AC coupling indicates GND coupling 25 Itis cursor measure window showing the absolute values and the readings of the two cursors 26 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 channel
65. pe is Image the menu shows as following Save Note Save externally connecting with the external device such as USB flash disk 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 channel CH1 into the address 1 the operation steps should be followed 1 Press the H1 menu selection button the type menu will display at the right of 49 User Manual of Smart Digital Storage Oscilloscope screen turn the M knob to choose WAVE for Type oo ee ee wy Press the H2 menu selection button and choose CH1 for Source Press the H3 menu selection button and press the F1 to choose 1 as save address Press the H5 menu selection button and choose Internal Press the H4 menu selection button and save the waveform 160 0us 12 5MS s M 500us Depth 100K Fig 5 35 Wave Saving 50 User Manual of Smart Digital Storage Oscilloscope How to Implement the Auxiliary System Function Setting Press the Utility button and turn the M knob to select the Config to go to the following menu Fig 5 36 Configuration Menu The description of Configuration Menu is shown as the follows Setting language Chinese Choose the display language of the operating English system On Off On Off the date display l Setting Hour Minute Set Time
66. persistence XY Mode ON Turn on the XY display function OFF Turn off the XY display function Guam ON Turn on the cymometer 7 OFF Turn off the cymometer Display Type With the F1 menu selection button pushed down you can shift between Vectors and Dots types The differences between the two display types can 45 User Manual of Smart Digital Storage Oscilloscope be observed through the comparison between Fig 5 30 and Fig 5 31 Persist When the Persist function is used the persistence display effect of the picture tube oscilloscope can be simulated the reserved original data is displayed in fade color and the new data is in bright color Press the H2 button the persist menu will display at the right of screen With the F1 button different persistence time can be chosen Isec 2sec 5sec Infinite and Closed When the Infinite option is set for Persist time the eee Be a eS ee ee ee ee gree ee ee ee BE e G Re OSE Oe ee ee ee Oe Ee aa S ee a 8 ed AO M S500us Type Reneee S ymometer Dot Vect OFF ON OFF ON OFF Fig 5 30 Display in the Vector Form PSE Ses Ee Ee ee 8 PETE ee a ee i ee A ae OR ie a Er Ce e aon ae a ao Type E S ame i moneiae Dota OFF ON OFF ON OFF Fig 5 31 Display in Dots form 46 User Manual of Smart Digital Storage Oscilloscope measuring points will be stored till the controlling value is changed see Fig 5 34 And press F2 the persistence will be cleared 160 0us 12
67. s the source 4 Press the F1 the type items will display at the left of screen and turn the M to choose period GN Press the F4 button the frequency added completes 6 Press the F1 again the type items will display at the left of screen and turn the M to choose frequency 7 Press the F4 button the period added completes finish channel 1 settings 8 Press the F2 menu selection button and choose CH2 as the source 9 Press the F1 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 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 channel 2 settings Then the frequency cycle mean and peak to peak value will present in the menu and 68 User Manual of Smart Digital Storage Oscilloscope change periodically see Fig 6 1 O0 000ns 12 5MS s M 500us Depth 100K f Fig 6 1 Waveform of Automation Measurement Example 2 Gain of the Amplifier in the Metering Circuit Set the probe menu attenuation coefficient as 10X and that of the switch in the probe as 10X Connect the oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end Operation Steps 1 Push down the AUTOSET button and the oscilloscope will automatically adjust the waveforms of the two cha
68. scribed as the following table Function Menu Setting Type a Press F1 show the measure types Select the source Add Show all Show all the measures on the screen Remove all the measures Turn M knob select the types need to be deleted Remove the chosen measure type Add the selected measure types showed Add at the left bottom you could only add 8 types at most Remove Type Measure The measured values can be detected on each channel simultaneously Only 1f the waveform channel is in the ON state can the measurement be carried out No automatic measurement can be made in the following situation 1 on the saved waveform 2 on the mathematical waveform 3 on the XY format 4 on the Scan format Measure the frequency the peak to peak value of the Channel CH1 and the mean 56 User Manual of Smart Digital Storage Oscilloscope the RMS of the Channel CH2 following below steps Press the MEASURE button to show the automatic measurement function menu Press the H1 to display the Add menu Press the F2 menu selection button and choose CH1 as the source ae le Soe a Press the Fl the type items will display at the left of screen and turn the M to choose period GN Press the F4 button the period options added completes 6 Press the F1 again the type items will display at the left of screen and turn the M to choose frequency 7 Press the F4 button the frequency added completes
69. ssceccossssssseesossssssseeesso 14 How to implement the Function Inspection ssssseeccooossssseccoccsssssececocsssesseccoossssssecesosssseseeesoo 14 How to Implement the Probe Compensation sseseeccoosssssseccoocsssesececocsssssceceoossssseeccocsssssseeesoo 15 How to Set the Probe Attenuation Coefficient esssseeccssssecccsssecoccsseccosssececsssseecossseecssssseeoo 16 How tocUse the Prope Salely osisssa sanata aaaea E aei 17 How to Implement Auto calibration ssssecceocssssseeccccossseseccocssssesececocosseseeccossssseseesossssssseeesoo 17 Introduction to the Vertical System ssssssscccocssssseecccocssssececocosssesececocsssesceccoosssssseesossssssseeesso 18 Introduction to the Horizontal System ccscccccccssssssssscccccccccssssssscccccsccesssssscccssssseessssecs 19 Introduction to the Trigger System isis ccsccssscccccccsescassasisccoussvcssavasssccessvecssocssecccoseusessasascucsecencess 20 Js Advanced US GMdebOOk seciverecesiatiniseseriietaeeleesUenaasceieiaessaeetieelies ene eks 21 How to Set the Vertical Sy Stem sanccion nona a a aa 22 Implementation of Mathematical Manipulation Function nnnnnnnneneneeenseersrrrsrrerererrrrrrrrrrrrrrreerren 26 Usmo FF NNOO eee er Nera erm mty Oot Rte nent Mer NTTS rennet CMT RCO w LORI Meter 27 Application of VERTICAL POSITION and VOLTS DIV Knobs ssccsssssssscsceees 31 How to Set the Horizontal System cscs ccssaccticiisctiswscacnsias
70. 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 RUN 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
71. trigger Scan The oscilloscope captures and displays the waveform data continuously in the scan mode Stop The oscilloscope has already stopped the waveform data acquisition 3 The purple pointer indicates the horizontal trigger position which can be adjusted by the horizontal position control knob 4 The pointer indicates the trigger position in the internal memory 5 The two yellow dotted lines indicate the size of the viewing expanded window 12 User Manual of Smart Digital Storage Oscilloscope 6 J 8 9 10 11 12 13 14 15 16 17 It shows present triggering value and displays the site of present window in internal memory It shows setting time It indicates that there is a U disk connecting with the oscilloscope Indicating battery power status 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 It shows the selected trigger type 20 21 22 23 24 Rising edge triggering Li Falling edge triggering le Video line synchronous triggering vi Video field synchronous triggering The reading shows the trigger level value of the corresponding channel The reading shows the wind
72. ty Waveform Math To ee FPT Bandwidth Full bandwidth Phase difference Frequency typical IKHz square wave USB1 1 or RS 232 USB for file storage Single channel is when only one input channel is working Lissajou s figure 3 degrees 79 User Manual of Smart Digital Storage Oscilloscope 6 div from the screen center Trigger level range 600mV Trigger level 40mV 6 of Set Value Accuracy typical EXT 5 200mV 6 of Set Value Tri FER aaa Pre trigger 655 div Post trigger 10 div Trigger Holdoff fone ate range 50 level Input signal frequency gt S50Hz Rising Falling Sensitivity 0 3div Trigger setting typical Edge trigger on Positive pulse gt lt Trigger condition p negative pulse gt lt Pulse Width range 24ns 10s Support standard NTSC PAL and Modul SECAM broadcast systems Video Trigger 1 525 NTSC and 1 625 PAL SECAM Trigger condition Positive pulse gt lt Slope Trigger 5E negative pulse gt lt 24ns 10s Trigger on CH1 Edge Pulse Video Slope Alternate Trigger Trigger on CH2 Edge Pulse Video Slope Pulse trigger 80 User Manual of Smart Digital Storage Oscilloscope General Technical 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
73. ust 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 Clean the instrument with a wet soft cloth not dripping water during the period of which please pay attention to the disconnection of power It is recommended to scrub with soft detergent or fresh water Please don t apply any corrosive chemical cleaning agent to prevent the instrument or probe from damage LA Ware 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 82
74. wn as the following table PUNEO Settin Description Menu 8 p OFF Switch off the cursor measurement Type Vamp Display the Vamp measurement cursor and menu Freq Display the Freq measurement cursor and menu Source MATH FFT Display the channel for the cursor measure When carrying out the cursor measurement the position of Cursor 1 can be adjusted with the CURSOR1 VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the CURSOR2 VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the Vamp cursor measurement 1 Press CURSOR and recall the CURS MEAS menu 2 Press F1 and choose Vamp for Type with two purple dotted lines displayed along the horizontal direction of the screen indicating CURSOR1 and CURSOR2 3 Adjust the positions of CURSOR1 and CURSOR2 according to the measured waveform Cursor increment window at the left bottom shows absolute value of the two cursors amplitude difference and the present position 6 2 User Manual of Smart Digital Storage Oscilloscope 0 000Hz 4y 62 4dB yl 6 4dB al iia i 1 00001KHz SKS s 250Hz f 800mv 0 00div Vamp Ma thEFT Fig 5 51 wave of Vamp cursor measurement Carry out the following operation steps for the Freq cursor measurement 1 Press CURSOR and recall the CURS MEAS menu 2 Press F1 and choose Freq for Type with two purple dotted lines displayed along the vertical direction of the screen indicating
75. ze the Details of a Signal ssseeccocssssssecccccsssssecccocsssescececosssssseceossssssseeesso 72 Example 5 Application of X Y Function cccccccsssssssssssccccccccsssssscsccccsscesssssscccesssseessseees 74 Example 6 Video Signal Trigger cc cciscvisncssas coccesinsdensstasescewiadcassveasectawevacavessagsdenvenddevesasccususendass 75 Pah A A ENE EE O E A 77 S Technical SUCCIICONONS esis i A aa e aN 78 General Technical SpeciiCatos asic E EEE 81 LAPPEN sassi T toss baveceseossalaesieveieacaeds toss beseunsdecsstaesaeweiwecneastessous 82 A PDCHCIM A EPCOS eain a a E a eaa 82 Appendix B Maintenance Cleaning and Repairing scccssssseccccossssseeccocsssesceccocsssseceesoossse 82 Appendix C Battery Usine Guide sicnisnioic aee E E 83 User Manual of Smart Digital Storage Oscilloscope 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 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 Prevent the Fire or Bodily 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 the proper power line Only use the power cord specially provided for this product

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