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ADS Series User`s Manual

1. Removeal Remove all the measures Measure The measured values can be detected on each channel simultaneously Only if the waveform channel is in the ON state the measurement can be performed The automatic measurement cannot be performed in the following situation 1 On the saved waveform 2 On the mathematical waveform 3 On the XY format 4 On the Scan format 50 User Manual of Smart Digital Storage Oscilloscope Measure the frequency the peak to peak voltage of the Channel CH1 and the mean the RMS of the Channel CH2 following below steps Press the Measure button to show the automatic measurement function menu Press the H1 button to display the Add menu Press the F2 button and choose CH1 as the source me mw e um Press the F1 button the type items will display at the left of screen and turn the M knob to choose Period Press the F4 button the period options added completes Un 6 Press the F1 button again the type items will display at the left of screen and turn the M to choose Freq 7 Press the F4 button the frequency added completes finish setting of CHI 8 Press the F2 button and choose CH2 as the source 9 Press the F1 button the type items will display at the left of screen and turn the M to choose Mean 10 Press the F4 button the Mean added completes 11 Press the F1 button the type items will display at the left of screen and turn the M to choose PK PK 12 Press the F4
2. HORIZONTAL POSITION knob this knob is used to adjust the horizontal positions of all channels include those obtained from the mathematical manipulation the analytic resolution of which changes with the time base SEC DIV knob it is used to set the horizontal scale factor for setting the main User Manual of Smart Digital Storage Oscilloscope time base or the window 3 HORIZ 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 Description O Main Main Time Base The setting of the horizontal main time base 1s used to display the waveform Sent ger window A window area is defined by two cursors This function is not available at FFT mode Zoom Zoom Window The defined window area for display Z Z Wind oom Zoom Window expanded to the full screen Main Time Base Press the H1 menu selection button and choose Main In this case the HORIZONTAL POSITION and SEC DIV knobs are used to adjust the main window The display in the screen 1s shown as Fig 5 14 AKTAKOM 12 5MS s M 500us Depth 100K f Fig 5 14 Main Time Base Set Window Press the H2 menu selection button and choose Set The screen will show a window User Manual of Smart Digital Storage Oscilloscope 32 area defined by two cursors In this case the HORIZONTAL POSITION and SEC DIV knobs can be used to adju
3. 2 2nm 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 is within the range of 1 2 n or a 3nz 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 Trigger Menu button to display the trigger menu User Manual of Smart Digital Storage Oscilloscope 78 2 Press the H1 button to display the trigger type menu 3 Press the F1 button to choose Single for Type 4 Turn the M knob to choose Video as the mode 5 Press the H2 button to display the Source menu 6 Press the F1 button to choose CH1 for Source 7 Press the H3 button to display the Module menu 8 Press the F1 button to choose NTSC for the modulation 9 Press the H4 button to display the sync menu 10 Press the F2 button to choose Field for Sync 11 Turn the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper waveform display see Fig 6 7 AKTAKOM 0 000ns 125M57s M 50us Depth 100EK Fig 6 7 Waveform Obtained from Video Field Trigger 79 User Manual of Smart Digital Storage Oscilloscope 7 F A Q 1 In the case of that the oscilloscope is still in the black screen state without any display after the
4. i AKTAKOM ADS Series Smart Digital Storage Oscilloscopes User s Manual i ADS2061 E ADS2061M www tmatlantic com General Warranty The AKTAKOM warrants that the product will be free from defects in materials and workmanship for a period of three year from the date of purchase of the product by the original purchaser from the AKTAKOM 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 AKTAKOM 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 AKTAKOM for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of AKTAKOM In order to obtain service under this warranty Customer must notify AKTAKOM 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 AKTAKOM 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 AKTAKOM shall not be obligated to furnish service under this warranty a
5. Alternate Mode Slope Set vertical channel trigger type as slope trigger Sauce CHI select CH1 as the trigger source CH2 Select CH2 as the trigger source l ejl Select slope condition When ae e deo H Set slope condition turn the M knob to set time MEC de High level Turn M knob to set the High level Threshold Low level Turn M knob to set Low level Slew rate Slew rate High level Low level Settings Mode Auto Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust the M knob to set time interval Holdo before another trigger occur Reset Set Holdoff time as 100ns Term interpretation 1 Source Trigger can occur from several sources Input channels CH1 CH2 AC Line Ext Ext 5 Input It is the most commonly used trigger source The channel will work when User Manual of Smart Digital Storage Oscilloscope 40 2 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 oscil
6. if no indication has appeared see Display on P55 E B and imply for different power consumption and when shows it means the power can only supply for 5 minutes maximum Note To avoid superheat of battery during charging the environment temperature is not allowed to exceed the permissible value given in technical specification Replacing the Lithium Battery Unit It is usually not required to replace the battery unit But when it is required to replace it only qualified personnel can carry out this operation and only use the same specification lithium battery User Manual of Smart Digital Storage Oscilloscope 88
7. 15925 Sampling rate 100ppm relay time accuracy Single Interval CAT 1 interval time 100ppm reading 0 6ns accuracy Average gt 16 DC 100MHz 1 interval time 100ppm reading 0 4ns 8 bits resolution 2 Channels simultaneously 1V 2mV 50mV 10V 100mV IV Displacement 100V 2V 10V Analog bandwidth 60MHz 100M Hz 200MHz 300MHz single bandwidth Full bandwidth Low Frequency gt 5Hz at input AC coupling 3dB Vertical system 60MHz lt 5 8ns at input Typical 100MHz lt 3 5ns at input Typical Rise time 200MHz lt 1 75ns at input Typical 300MHz lt 1 17ns at input Typical DC accuracy 3 DC accuracy Average gt 16 3 rdg 0 05 div for AV average 83 User Manual of Smart Digital Storage Oscilloscope Performance Ko Performance Characteristics Instruction Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Automatic Period Rise Time Fall Time DelayA Bt DelayA Bt Width Width Duty Duty FFT Full bandwidth Li Mot Phase b differe 3 degrees ren Frequency Frequency typical IKHz square wave USB2 0 USB for file storage VGA port or RS 232 Single channel is when only one input channel is working Trigger 6 div from the screen center Trigger level ee 40mV 6 of Set Value Accuracy mee axs EXTIS 5 200mV 6 of Set 200mV 6 of Set Value T rigger According
8. 3 COM VGA port To connect the oscilloscope with external equipment as serial port or to connect the oscilloscope with a monitor or a projector as VGA output 4 LAN function reserved Rear Panel Fig 4 4 Rear Panel The port of trigger signal output amp Pass Fail output Handle Air vents Foot stool can adjust the tilt angle of the oscilloscope Ground connection oe eS xc User Manual of Smart Digital Storage Oscilloscope 8 Control key and knob area AE LE oo x VERTICAL POSITION VERTICAL POSITION JHORIZONTAL POSITION ais ei Eg Fig 4 5 Keys Overview Menu option setting HI1 H5 Menu option setting F1 F5 Menu off turn off the menu M knob Multipurpose knob Function key area Total 12 keys Vertical control area with 3 keys and 4 knobs CH1 MENU and CH2 MENU correspond to setting menu in CH1 and CH2 Math key refer to math menu the math menu consists of six kinds of operations including CHI CH2 CH2 CH1 CH1 CH2 CHI CH2 CH1 CH2 and FFT Two VERTICAL POSITION knob control the vertical position of CH1 CH2 and two VOLTS DIV knob control voltage scale of CH1 CH2 Horizontal control area with 1 key and 2 knobs HORIZONTAL POSITION knob control trigger position SEC DIV control time base HORIZ MENU key refer to horizontal system setting menu Trigger control area with 3 keys and 1 knob TRIG LEVEL knob is to adjust trigger voltage Other 3 keys refer
9. 5MS s M 500us Depth 100K Fig 5 57 Autoscale Horizontal Vertical multi period waveforms Note 1 Entering into Autoscale function and the A flicker will be at the top left of the screen flicker every 0 5 second 2 In the mode of Autoscale the oscilloscope can self estimate Trigger Type Single and Alternate and mode Edge Video At this point the trigger menu is not available User Manual of Smart Digital Storage Oscilloscope 68 At the mode of XY and STOP status pressing Autoset to enter into Autoscale DSO switches to YT mode and AUTO status At the mode of Autoscale DSO 1s always in the state of DC coupling and AUTO triggering In this case making Triggering or Coupling settings have no effect 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 Turn off the submenu at the Autoscale menu the Autoscale is off and turn on the submenu still enters into the function When video triggering the horizontal time scale is 50us If one channel is showing edge signal the other channel 1s 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 The unit will switch from non main time base to main time base status 2 The unit
10. Fig 5 33 XY Display Mode Cymometer It 1s a 6 digit cymometer The cymometer can measure frequencies from 2Hz to the full bandwidth Only if the measured channel has triggering signal and in Edge mode it can measure frequency correctly In the Single trigger mode it 1s a one channel cymometer and it can only measure the frequency of the triggering channel In the ALT trigger mode it is a two channel cymometer and it can measure the frequency of two channels The cymometer 1s displayed at the right bottom of the screen To turn the cymometer on or off 1 Press the Display button 2 In the Display menu press the H4 button to toggle between the cymometer display ON or OFF VGA Output The VGA port could be connected to a computer monitor The image of the oscilloscope can be clearly displayed on the monitor To set the VGA Output 1 Press the Display button 2 Inthe Display menu press the H5 button to toggle between ON or OFF User Manual of Smart Digital Storage Oscilloscope 48 How to Save and Recall a Waveform Press the Save button you can save the waveforms and settings 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 Save Function Menu is shown as the following table Setting Wave setting Image Record When the type is Wave the menu shows as following CHI Source CH2 Choose the waveform to be saved Math LEE VD a Objec
11. attenuation coefficient for 10X and that of the switch in the probe for 10X see How to Set the Probe Attenuation Coefficient on P14 Connect the probe of channel 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 Turn the VOLTS DIV knob making the amplitudes of two signals equal in the rough Press the Display button and recall the Display menu Press the H3 button and choose XY Mode as ON The oscilloscope will display the input and terminal characteristics of the network in the Lissajous graph form Turn the VOLTS DIV and VERTICAL POSITION knobs optimizing the User Manual of Smart Digital Storage Oscilloscope waveform 8 With the elliptical oscillogram method adopted observe and calculate the phase difference see Fig 6 6 The signal must be centered and kept in the horizontal direction Fig 6 6 Lissajous Graph Based on the expression sin q A B or C D there into q 1s the phase difference angle and the definitions of A B C and D are shown as the graph above As a result the phase difference angle can be obtained namely q arcsin A B or arcsin C D If the principal axis of the ellipse is in the I and III quadrants the determined phase difference angel should be in the I and IV quadrants that is in the range of 0 z 2 or 31
12. 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 m ES Fig 5 21 Alternate trigger Trigger Type Edge Menu Alternate trigger Trigger Type Edge Menu list MENU SETTING INSTRUCTION CH2 select CH2 as the trigger source AC Not allow DC portion to pass Allow all portion pass Not allow high frequency of signal pass and only low frequency portion pass Not allow low frequency of signal pass and only high frequency portion pass Acquire waveform even no trigger occurred 100ns 10s adjust M knob to set time interval before another trigger occur Set Holdoff time as 100ns User Manual of Smart Digital Storage Oscilloscope 38 2 Alternate trigger Trigger Mode video Alternate trigger Trigger Type video Menu is shown as Fig 5 22 Fig 5 22 Alternate trigger Trigger Type video Menu Alternate trigger Trigger Type video Menu list MENU SETTING INSTRUCTION Alternat Set vertical channel trigger type as video trigger Sauce CHI 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
13. fall time value PW the width value NW the Width value D the Duty value D the Duty value PD the Delay A B value and ND the Delay A Bt 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 4 indicates the direct current coupling User Manual of Smart Digital Storage Oscilloscope 66 indicates the AC coupling S 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 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 Note Ifa symbol appears in the menu it indicates you can turn the M knob to set the current menu How to implement the General Inspection After you get a new SDS series oscilloscope it is recommended that you should make a check on the instrument according to the following steps 1 Check whether there is any damage caused by transportation If it is found that the packaging carton or the foamed plastic protection cushion has suffered seriou
14. is stored in BMP format named according to the current system time 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 cannot be adjusted In order to save the waveform of the channel CH1 into the address 1 the operation steps should be followed 1 Saving Press the H1 button the Type menu will display at the left of screen turn the M knob to choose Wave for Type 2 Press the H2 button and press F1 button to select CH1 for Source 3 Press the H3 button and press the F1 turn the M knob to select 1 as object address 4 Press the H5 button and press F1 button to select Internal 5 Press the H4 button to save the waveform 6 Recalling Press the H3 button and press the F1 turn the M knob to select 1 as object address Press F2 button to set Show as ON The waveform stored in the address will be shown the address number and relevant information will be displayed at the top left of the screen User Manual of Smart Digital Storage Oscilloscope 50 AKTAKOM 12 5MS s M 500us _f 40 0v Depth 100K Internal Fig 5 35 Wave Saving How to Record Playback Waveforms Wave Record function can record the input current wave You can set the interval between recorded frames in the range of 1ms 1000s The max frame number reaches 1000 and you can get better analysis effect with playback and s
15. is 1 1 that of the oscilloscope input channel should also be set to 1X to avoid any errors presented in the displayed scale factor information and the measured data Take the Channel as an example the attenuation coefficient of the probe 1s 10 1 the operation steps 1s shown as follows 1 Press the CH1 MENU button access CHI SETUP menu 2 Press the H3 menu selection the Probe menu will display at the right of the screen then press the F2 button to select 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 AKTAKOM 12 5MS s M 500us 156v Depth 100K f 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 Lo rs XE XI Setting of Waveform Inverted Waveform inverted the displayed signal 1s turned 180 degrees against the phase of the earth potential 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 for Inverted item The waveform inverted function is initiated 3 Press the H2 menu selection button again and select OFF for Inverted item The function of wavef
16. l CH CH CH Select the signal source of the factor2 AAI ie User Manual of Smart Digital Storage Oscilloscope Select CH2 as FFT source Rectangle Blackman Window select window for FFT Hanning Hamming dB Select dB for Format Format Vrms Select Vrms for Format x set multiple X 1 252 Set multiple X2 Zoom x5 Set multiple X5 X10 Set multiple X 10 Taking the additive operation between Channel 1 and Channels 2 for example the operation steps are as follows 1 Press the Math button and call out the Wfm Math menu 2 Press the H1 button and call out the Dual Wfm Math menu The menu will display at the left of the screen 3 Press the F1 menu selection button and choose CH1 for 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 AKTAKOM i 12 5M57s M SOOus Depth 100K Fig 5 7 Waveform resulted from CH1 CH2 Mathematical Manipulation User Manual of Smart Digital Storage Oscilloscope 26 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 1n this oscilloscope can transform 204
17. line turn the M knob to set the line number Mode Auto Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust the M knob to set time interval before another trigger occur Polcar 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 MENU SETTING INSTRUCTION Alternate Node Pulse Set vertical channel trigger type as pulse trigger TR CHI Select CH1 as the trigger source CH2 Select CH2 as the trigger source AC Not allow DC portion to pass DC Allow all portion pass Coupling 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 39 User Manual of Smart Digital Storage Oscilloscope o frequency portion pass Polarity Choose the polarity Select pulse width condition and turn the M knob to set time Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust M knob to set time interval before another trigger occur Holdott Reset Set Holdoff time as 100ns 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 MENU SETTING INSTRUCTION
18. observed that the trigger level value displayed in the screen changes PS Turning the TRIG LEVEL knob can change trigger level value and it is also the hotkey to set trigger level back to 0 Press the button 50 to set the trigger level as the vertical mid point values of the amplitude of the trigger signal Press the Force button to force a trigger signal which is mainly applied to the Normal and Single trigger modes 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 Horizontal System How to Set the Trigger System How to Implement the Sampling Setup How to Set the Display System How to Save and Recall Waveform How to Record Playback Waveforms How to Implement the Auxiliary System Function Setting How to Implement the Automatic Measurement How to I
19. of Cursor 1 can be adjusted with the VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the Vamp cursor measurement 1 Press Cursor and recall the Cursor Measure menu 2 Press the H1 button the Type menu will display at the right of the screen Press the F2 button to select Vamp for Type with two purple dotted lines displayed along the horizontal direction of the screen indicating Cursorl and Cursor2 3 According to the measured waveform adjust the positions of Cursorl and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 Cursor increment window at the left bottom shows absolute value of the two cursors amplitude difference and the present position 65 User Manual of Smart Digital Storage Oscilloscope AKTAKOM 0 000Hz ay 62 4dB vli 6 4dHB y2 56 0dB 1 00001KHz 55578 250Hz f 800mv 0 00div vamp Me thEFT Fig 5 54 wave of Vamp cursor measurement Carry out the following operation steps for the Freq cursor measurement 1 Press Cursor and recall the Cursor Measure menu 2 Press the H1 button the Type menu will display at the right of the screen Press the F3 button to select Freq for Type with two purple dotted lines displayed along the vertical direction of the screen indicating the corresponding Cursor 1 and Cursor 2 3 According to the measured waveform adjust the positions of Cursorl a
20. pay more attention to the relation between the frequency being sampled and measured Note In FFT mode the following settings are prohibited 1 2 3 4 Window set XY Format in Display SET SET 50 the triggering level at the vertical point of signal amplitude in Trigger setting Measure User Manual of Smart Digital Storage Oscilloscope 30 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 is rotated clockwise and goes down when the knob 1s 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 AKTAKOM 12 5MS s M 500us Depth 100EK Fig 5 12 Information about Vertical Position How to Set the Horizontal System 31 The HORIZONTAL CONTROLS includes the HORIZ MENU button and such knobs as HORIZONTAL POSITION and SEC DIV l
21. power is switch on implement the following fault treatment procedure Check whether the power connection is connected properly Check whether the power switch 1s pushed down to the designated position Check whether the fuse which 1s beside the AC power input jack 1s blew the cover can be pried open with a screwdriver Restart the instrument after completing the checks above If this product still cannot work normally please get in touch with AKTAKOM and we will be under your service 2 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 1s 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 see How to Set the Probe Attenuation Coefficient on P14 4 There is waveform disp
22. scrub with soft detergent or fresh water Please don t apply any corrosive chemical cleaning agent to prevent the instrument or probe from damage A N Warning Before power on again for operation it is required to confirm that the instrument has already been dried completely avoiding any electrical short circuit or bodily injury resulting form the moisture 87 User Manual of Smart Digital Storage Oscilloscope Appendix C Battery Using Guide Battery electric quantity indicating symbols include a B a and i AKTAKOM E eal e HO EN Oe 99 uz d a LE Don La SO C99 T9 POST cd 18 2T se Sle ee eT st SC See TUE teat VET poer 18 es DSL eet E D te ie tse era ye Tie Ty To D 1e 3 pen T 58 089 se T oor Dos eo Le SOKS s M 1 0ms _ 0 00mv Depth 1K f f r Fig 9 1 Battery power indication Charging the oscilloscope Connect the power cord to a power source Turn on the Power Switch Button on the left side make sure the side is pressed down Yellow light of the indicator on the front panel means the battery 1s being charged Once the battery 1s full the indicator will become green The lithium battery maybe not be charged when delivery Please charge the battery for 12 hours to make sure enough power to supply to oscilloscope The battery can supply power for 4 hours after being charged completely There will have battery power indication show on the top of panel when oscilloscope power supplied by the battery
23. the signal passes to the trigger circuit Coupling types include AC DC LF Reject and HF Reject AC AC coupling blocks DC components DC DC coupling passes both AC and DC components LF Reject LF Reject coupling blocks DC component and attenuates all signal with a frequency lower than 8 kHz HF Reject HF Reject coupling attenuates all signals with a frequency higher 4 than 150 kHz 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 41 User Manual of Smart Digital Storage Oscilloscope 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 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 Acqu Mode Menu is shown as follows Setting Sample __ 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 Av
24. the two channels into the proper display state 2 Push down the Measure button to show the Measure menu 3 Press the H1 button 4 Press the F2 button and choose CH1 5 Press the F1 button and turn the M knob to choose PK PK 6 Press the F2 button and choose CH2 User Manual of Smart Digital Storage Oscilloscope 72 7 Press the F1 button again and turn the M knob to choose PK PK 8 Read the peak to peak voltages of Channel 1 and Channel 2 from the bottom left of the screen See Fig 6 2 9 Calculate the amplifier gain with the following formulas Gain Output Signal Input signal Gain db 20xlog gain AKTAKOM 12 5M5 7s M 500us Depth 100K Fig 6 2 Waveform of Gain Measurement Example 3 Capture the Single Signal 73 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 cannot set the trigger level and the trigger edge unless you have particular prior 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 att
25. to repair damage resulting from attempts by personnel other than AKTAKOM 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 AK TAKOM supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product Please contact the nearest AKTAKOM 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 AKTAKOM 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 AKTAKOM should not take any responsibilities for any indirect special or consequent damages Table of Contents UNE GIU TANI PEDAL MIME I 2 UfEL ACHING and SV INDONS csiis arain scious sesyoodecesceasbsttyeodeseseesassirysotecaneessbadiyecgess 2 3 General C HOPUCIEPISIIOS cedere ouo bmi EEN EE EESTE N 4 4 Junior User GUA CUO OK qm n a E ENE EEEE EEE 5 Introduction to the Structure of the Oscilloscope escccsssssseeccccsssssecccocsssecccososssseeceossssssseesoso 6 1210 01 02 a eee ee T Tm E ree ee ea c
26. to set time interval before Holdoff 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 Slope trigger menu list MENU SETTING INSTRUCTION inel in Set vertical channel trigger type as slope trigger CHI select CHI 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 as resource trigger signal l l RE Slope selecting When cec E a Set slope condition turn the M knob to set slope 3 de de time f 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 Mode Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred 37 User Manual of Smart Digital Storage Oscilloscope Holdoff single When trigger occurs acquire one waveform then stop Holdoff 100ns 10s turn the M knob to set time interval before another trigger occur Reset set Holdoff time as 100ns Alternate trigger Trigger signal comes from two vertical channels when alternate trigger is on This mode is used to observe two unrelated signals You can choose different trigger modes for different
27. to the setting of the Save function menu For more details please see Save Function Menu on P49 User Manual of Smart Digital Storage Oscilloscope 70 6 Demonstration Example 1 Measurement of Simple Signals 71 Observe an unknown signal in the circuit and display and measure rapidly the frequency and peak to peak voltage of the signal 1 Carry out the following operation steps for the rapid display of this signal 1 Set the probe menu attenuation coefficient as 10X and that of the switch in the probe switch as 10X see How to Set the Probe Attenuation Coefficient on P14 2 Connect the probe of Channel 1 to the measured point of the circuit 3 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 of the displayed signals automatically To measure the period and frequency of the Channel 1 and the mean and peak to peak voltage of the Channel 2 follow below steps 1 Press the Measure button to show the automatic measurement function menu 2 Press the H1 to display the Add menu 3 Press the F2 button to choose CH1 as the source 4 Press the F1 button the type items will display at the left of screen and turn the M knob to choose Period 5 Press the F4 b
28. to trigger system setting User Manual of Smart Digital Storage Oscilloscope User interface introduction 1 2 3 A4 5 6 7 8 9 130 0us BA 9 40y Cursori 16 20wW Cursor2 6 80v 12 5MS7s M 500us Depth 100E F 1 000KHz 23 22 21 20 19 18 Fig 4 6 Illustrative Drawing of Display Interfaces l 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 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 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 User Manual of Smart Digital Storage Oscilloscope 10 11 JA 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 see Config on P54 I
29. 8 points of the time domain signal into its frequency components and the final frequency contains 1024 points ranging from OHz to Nyquist frequency Taking the FFT operation for example the operation steps are as follows 1 Press the Math button and call out the Math menu 2 Press the H2 button and call out the FFT menu 3 Press the F1 button to choose CH1 as the source 4 Press F2 button the windows item will display at the left of the screen turn the M knob to select Window including Rectangle Hamming Hamming and Blackman 5 Press F3 button to choose the Format including dB Vrms 6 Press F4 button the zoom window will display at the left of the screen turn the M knob to zoom in or out the wave of the multiple including lt 1 x2 x5 x10 Selecting the 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 no repetitive signals and measuring frequency components near DC Rectangle Use rectangle for measuring transients or bursts where the signal level befo
30. Digital Storage Oscilloscope How to measure with CUESOES a iuscoto poner eben tivo said ratsra Ser Eps erener tn ntoro ne P Denen PSPL abus d s N bsddtentseS sv PE DEERe Ud 62 HowTo Us FS Gososadesenedi eects persion E etu DMa cse bun orbi EE ausa Ea s Get RdC 67 Howto Use ESS Butoh sissien dep rudi doubles a bbs a oM iNu dtnsududdons b UbaR ue NP anaia 69 PCI OTIS EF ONION ieu tene cN eie ASIN Et ipEe PIC R eie E LEE Dese Po CR Ee UHE ied 7I Example T Measurement of Simple Signals sssssceccocssssseeccccsssesececocosssssccccosssssseeesssssseeesso 71 Example 2 Gain of the Amplifier in the Metering Circuit cccccsssssccccceeeecccceesssees 72 Example 5 Capture the Single SISHAL sssrinin 73 Example 4 Analyze the Details Of a SiO al un eeeisees depone a os Pa ea DEa Ra EYE EV eU 4E apr YE Peau oa daE eur V aus 15 Example 5 Application of X Y PUNCOOM sicscisssesssessssecsassssueutesseotspissewecesssearieitavusstaasentsissnenvencs TI Example 6 Video Signal Trigger a sivcsseviscisusnciessseereensectanvessuditessesisnessensitosussiavsxasadiecevevinwssuaniaues 78 UNpOUONOU 80 Oe TechhICa iS PCCHICATONS NEEE O E O E E E 82 General Technical SDecilic atl sis sesssesiicccersssexsdetticansvrdessanatancasvrneseseuveasauserseeuseevsnuassenassaaeetanes 86 LA pni Srccassunssnussuas Q 87 PATONG A CI I c Tm 87 Appendix B Ma
31. M 12 5M5 s M 500us _ 0 00mv Depth 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 steps 1 Press the Acquire button to display the Acquire menu 2 Press the H1 button to display ACQU Mode menu 3 Press the F3 button turn the M knob and observe the waveform obtained from averaging the waveforms of different average number 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 User Manual of Smart Digital Storage Oscilloscope 76 AKTAKOM 0 000ns 12 5MS s M 500us Depth 100K Fig 6 5 Waveform of the Noise Removed Signal Example 5 Application of X Y Function 1I 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 1 2 3 4 5 6 7 Set the probe menu
32. ON 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 1s especially helpful when the trace position is far out of the screen and want it to get back to the screen center immediately 2 Change the Vertical Setting and Observe the Consequent State Information Change With the information displayed in the status bar at the bottom of the waveform window you can determine any changes in the channel vertical scale factor Turn the vertical VOLTS DIV knob and change the Vertical Scale Factor Voltage Division it can be found that the scale factor of the channel corresponding to the status bar has been changed accordingly Press buttons of CH1 MENU CH2 MENU and Math the operation menu symbols waveforms and scale factor status information of the corresponding channel will be displayed in the screen Introduction to the Horizontal System 17 Shown as Fig 4 10 there are a button and two knobs in the HORIZONTAL CONTROLS The following practices will gradually direct you to be familiar with the setting of horizontal time base User Manual of Smart Digital Storage Oscilloscope Fig 4 13 Horizontal Control Zone 1 Use the horizontal SEC DIV knob to change the horizontal time base setting and observe the consequent status information change Rotate the horizontal SEC DIV knob to change the horizon
33. SEIDEDSEQUG EI DEN ITUR UN HATIG IRI UIT QUA EIEUEE 20 How to Set the Vertical System sessssseecccccsssscccccocssssscccosossseececcocossseseccossssssscecosssssssecesssssssssee 21 Implementation of Mathematical Manipulation Function eeeeeeeeeeeeseseseseseeeeeee nennen nnns 25 IBI rro ET T d o PP OR m m 2 Application of VERTICAL POSITION and VOLTS DIV Knobs eee 31 How to Set the Horizontal System uisoesacviuo cesa vRu e Vey Re yos sekR Ve epa TIE EUN Ry VEI a TUER raa e FEEEERHR E ERR ve FRU d 31 How to set the Trigger System TET OO STIS 34 E T A 2c OANE AINEA E OA dno OA EE Te M EA A A AREA E A E T I N 34 pe TA a u e EEEE E E E VE E E E E E EE E en E EE E E E 38 How to Operate the Function Menu sssssssecccccssssececcccssssececcosossseeeccocosssseeccosossssseccossssssseeesso 42 How to limp lem rit Samplitg SCH vus ucdenxeduxuensen eot ninapa e nN E Een 42 How to Set the Display Syste Mk eissu aaa NTa E AEEA EEEE ORDEA oee 44 How to Save and Recall a M AV C10 Mil yas disc cancosvccsncoaseedeotegneatacsueanueteaieasseanenuaasoaneaeissanaassnasesavelencnonseiaees 49 How to Record Playback Waveforms oueieeooneedcoseupesesceme e eet eese oai oro Sepe it bs taut seo diahaoi uieu n rur Ub iEU RUE 5 How to Implement the Auxiliary System Function Setting ccccccssssssssssssssssceceeeeeeeeceeeeeeeeeeeeeeeees 54 How to MAI ST IPIE SEA Oia 0771 B TERRE NE Em Om 58 i User Manual of Smart
34. Single Mode Edge Set vertical channel trigger type as edge trigger Select CHI 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 e Allow all 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 Trigger in signal rising edge Trigger in signal falling edge Fig 5 17 Edge trigger menu 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 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 35 User Manual of Smart Digital Storage Oscilloscope Fig 5 18 Video trigger menu Video menu list MENU SETTING INSTRUCTION single Mode Set vertical channel trigger type as video trigger select CHI as the trigger source Select CH2 as the trigger source Source The external trigger input Ext trigger divided to 5 to extend trigger level range NTSC Modu PAL Select video modulation SECAM Line Synchronic trigger in video line Fie
35. Storage temperature 20 C 60 C Height Operating 3 000 m Non operating 15 000 m Mechanical Specifications 340mm 155mmx70mm L H W About 1 82 kilogram Interval Period of Adjustment One year 1s recommended for the calibration interval period User Manual of Smart Digital Storage Oscilloscope 86 9 Appendix Appendix A Enclosure Standard Accessories 2 Passive probe 1 2 m 1 1 10 1 CD xl PC link application software Power cord Ipcs up to the standards of the country in which it is used USB cable User Manual 1pcs Options e 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 dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 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
36. anual 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 5 User Manual of Smart Digital Storage Oscilloscope 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 1s 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
37. button the PK PK added completes finish setting of CH2 The measured value will be displayed in the reading window automatically see Fig 5 47 AKTAKOM 12 5MS7s M 500us Depth 100K Fig 5 47 automatic measurement The automatic measurement of voltage parameters User Manual of Smart Digital Storage Oscilloscope 60 The SDS series oscilloscopes provide automatic voltage measurements including 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 Vtop V PP Vamp Vbase Vmin Preshoot Fig 5 48 Vpp Peak to Peak Voltage Vmax The maximum amplitude The most positive peak voltage measured over the entire waveform Vmin The minimum amplitude The most negative peak voltage measured over the entire waveform Vamp Voltage between Vtop and Vbase of a waveform Vtop Voltage of the waveform s flat top useful for square pulse waveforms Vbase Voltage of the waveform s flat base useful for square pulse waveforms Overshoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Average The arithmetic mean over the entire waveform Vrms The true Root Mean Square voltage over the entire waveform The automatic measurement of time parameters The SDS series oscilloscopes provide time parameters auto measurement
38. 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 l User Manual of Smart Digital Storage Oscilloscope 2 Safety Terms and Symbols safety Terms Terms in this manual The following terms may appear in this manual Warning A warning statement indicates the conditions and actions which may endanger the life safety A 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 this product or other property Safety Symbols Symbols on the product The following symbol may appear on the products AN High Voltage Please Consult the Manual Q3 Protective Ground End 2 Earth End on the Shell L Grounding End for Measurement User Manual of Smart Digital Storage Oscilloscope 2 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 AN Warning To avoid fire or electrical shock if an oscilloscope input is conn
39. e attenuation switch in the probe is the same as the menu selection of the probe attenuation coefficient in the oscilloscope The set values of the probe switch are 1 X and 10X see Fig 4 10 Fig 4 10 Attenuation Switch AN Note When the attenuation switch is set to 1X the probe will limit the bandwidth of the oscilloscope in 5MHz If it is needed to use the full bandwidth of the oscilloscope the switch must be set to 10X How to Use the Probe Safely The safety guard ring around the probe body protects your finger against the electric shock shown as Fig 4 11 Fig 4 11 Finger Guard User Manual of Smart Digital Storage Oscilloscope AN 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 Implement 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
40. e waveform is displayed normally ON Initiate the waveform inverted function IX Choose one according to the probe attenuation factor to make the vertical scale reading accurate full band Get full bandwidth Limit 20M Limit the channel bandwidth to 20MHz to reduce display noise 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 button the Coupling menu will display at the screen 3 Press the F1 button again to select the Coupling item as DC By setting the channel coupling as DC mode both DC and AC components of the signal will be passed 4 Then press F2 button to select the Coupling item as AC By setting the channel coupling as AC mode the direct current component of the signal will be blocked The waveforms are shown as Fig 5 2 12 5MS8 s M S500us 156v Depth 100K f f Fig 5 2 AC Coupling Oscillogram User Manual of Smart Digital Storage Oscilloscope 22 2 Regulate the probe attenuation 23 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 see How to Set the Probe Attenuation Coefficient on P14 If the attenuation coefficient of the probe
41. ected 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 oscilloscope 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 3 User Manual of Smart Digital Storage Oscilloscope 3 General Characteristics Bandwidth 60MHz 300 MHz sample rate real time 500MS s 3 2GS s Dual channel 10M points on each channel for the Record length Autoscale function 7cm smart design body 8 inch high definition TFT display 800 x 600 pixels Built in FFT function Pass Fail Function optically 1solated Pass Fail output Waveform record and playback VGA output Various triggering function USB communication ports Super capacity lithium battery Optional Built in Chinese and English help system Y Y ON ON ON NON ON ON ON ON ON ON WV WV Multiple language user interfaces User M
42. ement ee eee eee 6 TSS PANG EE P ties 7 Right side pane Laossesesieptrer eartob epp ter oper mna ENE RENEE NEEE SEENE ep cies EAN E nM UE 7 IRCA PANE Il MR ENIRO DE E E 8 Control key and knob Areaan snore HN ae detoneaanttn Pouce e E TAE EEEa i ia 9 User Intertace m rodut AON circcies ceca veiiesseuw vs saracnesacevoecsoseuesausuecorsvarsuenaisvausvess TRIN 10 How to implement the General InsBecUOIL ne iesveere dolent ago SpY Tyra a n aT EVE Pe oe 32a Gea pego a Has u eu FEE uus 12 How to implement the Function Inspection eee e rece eee eere eee eene eene ettet eese ees ssooe 13 How to Implement the Probe Compensation ee ee ee ee eee eee eene eee ettet tees sees saos noe 14 How to set the Probe Attenuation Coefficient sseccssssecocssssccccsssseccosscecosssecosssscecosssseeossssee 14 How to Use the Prope Sdlelys ones eee bXiibezert d divo aaa TY ERE EE PV E Re PR RET arat 15 How to Implement Auto calDEAUOIl uecoeicesesyrrdri o EE ERRR REEF VEDUP IE aaa 16 Introduction fo tlie Y er cdl Systemi copccienicescsassincaseriseunehsdacasinuisnscuetavesuneenassesieuionessaaseeccuspiees 16 Introduction to the Horizontal System i isa rvdvvevku du esas ee VE VE REF E EPI VEL ER EN ERE PES EVE ERE R E CIE PEP EE 17 Introduction tothe Trigger Systeri s oeoasee vt bdei ue Ex VEO SERE Re Va E IKva PIU eoI S SEka EUEEE RE VIE YEN VOY e aanika 18 S Advanced User Guidebook aussevst E HE
43. enuation coefficient to 10X and that of the switch in the probe to 10X see How to Set the Probe Attenuation Coefficient on P14 2 Adjust the VOLTS DIV and SEC DIV knobs to set up a proper vertical and horizontal ranges for the signal to be observed User Manual of Smart Digital Storage Oscilloscope 3 Press the Acquire button to display the Acquire menu 4 Press the H1 button to display the Acquire Mode menu 5 Press the F2 button to choose Peak detect 6 Press the Trigger Menu button to display the Trigger menu 7 Press the H1 button to display the Trigger Type menu 8 Press the F1 to choose Single as the type 9 Turn the M knob to choose Edge as the mode 10 Press the H2 button to display the Source menu 11 Press the F1 button to choose CH1 as the source 12 Press the H3 button to display the Coupling menu press the F2 button to choose DC as the Coupling 13 Press the H4 button to choose EXE rising as the Slope 14 Rotate the TRIG LEVEL knob and adjust the trigger level to the mid value of the signal to be measured 15 If the Trigger State Indicator at the top of the screen does not indicate Ready push down the Run Stop button and start acquiring 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 Taki
44. erages 4 16 64 128 don t care noises with the optional number of averages The description of the Record Length Menu is shown as follows User Manual of Smart Digital Storage Oscilloscope 42 0 K Length Choose the record length 10M Change the ACQU Mode settings and observe the consequent variation of the wave form displayed AKTAKOM 0 000ns 12 5MS7s M 500us f 0 00mv Depth 100K r Fig 5 26 Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise 1s heavy 43 User Manual of Smart Digital Storage Oscilloscope 0 000ns Acqu Mode J sample Peak eA Average 16 Depth 100K CTY cou Mode Length Fig 5 27 Common ACQU Mode display in which no burr can be detected I Acqu Mode J sample Peak mee Average 8 608 08754 45 6 8 76 08 8 Bodo 4208 W RUE 245 07 B 8 470 4 BU 084 650p RB 94 d oa a a d E 468 8 8 BR 21 2 4 8 B 108 0146 B a E 32 3 RE 16 I2 5M575 M 500us Depth 100K CHEER e Length Fig 5 28 The displayed waveform after the noise is removed under the Average Mode in which the average number of 16 1s 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 Type Persist XY Mode Cymometer VGA Disp Dats Vect OFF ww F F 3 Fig 5 29 Display Set Menu User Manual of Smart Digital Storage Oscilloscope 44 The descrip
45. executed For the performing of the self calibration all probes or wires should be disconnected with the input connector first Press the Utility button then press H1 button to call out the Function menu turn the M knob to choose Adjust Press H2 button to choose the option Self Cal run the program after everything is ready Introduction to the Vertical System 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 User Manual of Smart Digital Storage Oscilloscope 16 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 difference 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 VERTICAL POSITI
46. fail menu option Pass Fail menu will be displayed in the bottom 2 Enable switch on Press H2 button to show Operate menu then press F1 button to set Enable as ON 3 Create rule Press H4 button to enter Rule setting menu Press F1 button to choose the source Press F2 button turn the M knob to set Horizontal tolerance Press F3 button turn the M knob to set Vertical tolerance Press F4 button to create the rule 4 Set output type Press H3 button to enter Output option setting Choose any one or two of the options Pass Fail or Beep Pass and Fail are mutually exclusive options which could not be chosen simultaneously Stop means stop once the condition satisfies your setting 5 Begin to test Press H2 button then F2 button to select Start the test will begin 6 Save rule Press H5 button then F2 button to save the rules which could be called up at once when need press F3 button to call up the rule saved 57 User Manual of Smart Digital Storage Oscilloscope AKTAKOM 1 300ms 1MS s M 5 0Oms 400mv Depth 100K pass fail Fig 5 44 Pass Fail test Note 1 When Pass Fail is ON if XY or FFT is ready to run then Pass Fail will be closed under the mode of XY or FFT Pass Fail is unable 2 Under the mode of Factory Auto Scale and Auto Set Pass Fail will be closed 3 When no save setting left in the rule save tip will be given to show NO RULE SAVED 4 Under the
47. ff the cursor measurement Voltage Display the voltage measurement cursor and menu Time Display the time measurement cursor and menu CHI Display the channel generating the waveform to Source CH2 which the cursor measurement will be applied When carrying out the cursor measurement the position of Cursor 1 can be adjusted with the VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the voltage cursor measurement of the channel CH1 l Press Cursor and recall the Cursor Measure menu 2 Press the H2 button and choose CH1 for Source 3 Press the H1 button the Type menu will display at the right of the screen Then press the F2 button to choose Voltage for Type with two purple dotted lines displayed along the horizontal direction of the screen which indicating Cursorl and Cursor2 4 According to the measured waveform adjust the positions of Cursorl and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 Cursor increment window at the left bottom of waveform shows absolute value of D value of cursor 1 and cursor 2 and the present position of the two cursors See Fig 5 51 AKTAKOM ay 220 00v es acl a or 00y y2 104 00v 12 5MS s M 500us Depth 100K f Fig 5 51 Waveform of Voltage Cursor Measurement User Manual of Smart Digital Storage Oscilloscope Carry out the following operation steps for t
48. ght 0 100 Turn the M knob to adjust the backlight Display Graticule Select the grid type ON Battery OFF Turn on or off the battery display 5s 50s OFF Set the disappear time of menu e Adjust Press the Utility button and turn the M knob to select the Adjust to go to the following menu Fig 5 41 Adjust Menu The description of Adjust Menu is shown as the follows 55 User Manual of Smart Digital Storage Oscilloscope Setting Self Cal DEBE Carry out the self calibration procedure Defalt Call out the factory settings Do Self Cal Self Calibration The self calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent If the change of the ambient temperature is up to or exceeds 5 C the self calibration procedure should be executed to obtain the highest level of accuracy Before executing the self calibration procedure disconnect the probe or wire and the input connector Press the Utility button Then press the H1 button and the function menu will display at the left of the screen turn the M knob to choose Adjust then press the H2 button to choose Self Cal entering the self calibration procedure of the instrument AKTAKOM 25 50ms Autocalibration Remove all probes cables from CH1 CH2 Press lt Auto calibration gt tor Calisration Press any key to quit 1MS7s M 5 0ms _ 0 00mv Depth 100K H f Fig 5 42 Self Calibra
49. h in the probe as 10X see How to Set the Probe Attenuation Coefficient on P14 and connect the oscilloscope probe with the CHI 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 til 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 To change or check the probe attenuation coefficient in the menu of oscilloscope 1 Press the function menu button of the used channels CH1 MENU or CH2 User Manual of Smart Digital Storage Oscilloscope 14 MENU 2 Press H3 button to display the Probe menu select the proper value corresponding to the probe This setting will be valid all the time before it 1s changed again AN 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 th
50. he time cursor measurement of the channel CH1 1 Press Cursor and recall the Cursor Measure menu 2 Press the H2 button and choose CH1 for Source 3 Press the H1 button the Type menu will display at the right of the screen Press the F3 button to select Time for Type with two purple dotted lines displayed along the vertical direction of the screen which indicating Cursor and Cursor 2 4 According to the measured waveform adjust the positions of Cursorl and Cursor2 by turning the VERTICAL POSITION knob of CHI and CH2 The cursor increment window at the left bottom of the waveform shows absolute difference frequency and the present time of the two cursors AKTAKOM 4x 0 900ms lex ts lbIERHZ x 1 0 660ms x2 0 240ms 12 5MS s M 500us Depth 100K f Fig 5 52 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 53 User Manual of Smart Digital Storage Oscilloscope 64 Fig 5 53 CURS MEAS Menu The description of the cursor measurement menu 1s shown as the following table Function Settin Description OFF Switch off the cursor measurement Type Vamp Display the Vamp measurement cursor and menu Freq Display the Freq measurement cursor and menu When carrying out the cursor measurement the position
51. hoose whether to refresh the wave when recording 6 Press H5 button to start recording 7 Press H2 button In the Mode menu press F3 button to enter the Playback mode Set the frame range and Play mode Then press H5 button to play 8 To save the wave recorded press H2 button In the Mode menu press F4 button to choose Storage then set the range of frames to store press H4 button to save 9 To load the waveform from the internal memory press Load and then enter playback mode to analyze the wave How to Implement the Auxiliary System Function Setting Config Press the Utility button and turn the M knob to select Config to go to the following menu Config English Fig 5 39 Configuration Menu The description of Configuration Menu is shown as the follows User Manual of Smart Digital Storage Oscilloscope 54 Setting Chinese language English Others Display en On Off the date display Off set Time Choose the display language of the operating system setting Hour Minute Day Month Setting Date Month Lock all keys Unlock method press 50 m button in trigger control area then press Force button repeat 3 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 lt jiii cl Fig 5 40 Display Menu The description of Display Menu is shown as the follows Setting Backli
52. intenance Cleaning and Repairing ccccccccsssssssssccrssssssssssccccsscsessseecs 87 Appendix Battery Usm Guide paissia aaea TERI ER Fre Deu EEUERLE E aaa 88 User Manual of Smart Digital Storage Oscilloscope li 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 erounding 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 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
53. layed but it is not stable Check whether the Source item in the TRIG MODE menu is in conformity with the signal channel used in the practical application Check on the trigger Type item The common signal chooses the Edge trigger mode for Type and the video signal the Video If Alternate trigger is selected both of the channel 1 and channel 2 trigger levels should be adjusted to the proper position Only if a proper trigger mode is applied the waveform can be displayed steadily Try to change the trigger coupling into the high frequency suppress and the low frequency suppress to smooth the high frequency or low frequency noise triggered by the interference 5 No Display Responses to the Push down of Run Stop Check whether Normal or Signal is chosen for Polarity in the TRIG MODE menu and the trigger level exceeds the waveform range If it 15 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 User Manual of Smart Digital Storage Oscilloscope 80 6 After the Average value sampling is set in the Acqu Mode see How to Implement sampling Setup on P42 or the longer duration is set in the Persist in Display see Persist on P46 the display rate is slowed down It is a normal phenomenon 81 User Manual of Smart Digital Storage Oscilloscope 8 Technical Specifications Unless otherwise specified the
54. ld Synchronic trigger in video field Sync Odd Synchronic trigger in video odd filed Even Synchronic trigger in video even field Line NO Synchronic trigger in designed video line turn the M knob to set the line number Auto Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust the M knob to set time interval before another trigger occur nee 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 gt 24ns Fig 5 19 Pulse Width Trigger menu Pulse Width Trigger menu list MENU SETTING INSTRUCTION Single Mode Set vertical channel trigger type as pulse trigger Sauce C Select CHI as the trigger source C Select CH2 as the trigger source H1 H2 AC Not allow DC portion to pass DC Allow all portion pass Caie 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 User Manual of Smart Digital Storage Oscilloscope 36 Polarity gt lt 3 FE Choose the polarity when 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
55. loscope to trigger on a larger signal AC Line AC power can be used to display signals related to the power line frequency such as lighting equipment and power supply devices The oscilloscope gets triggered on its power cord so you do not have to input an AC trigger signal When AC Line is selected as trigger source the oscilloscope automatically set coupling to DC set trigger level to OV 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 3 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 Coupling Trigger coupling determines what part of
56. mplement the Cursor Measurement How to Use Auto scale 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 User Manual of Smart Digital Storage Oscilloscope 20 How to Set the Vertical System 21 The VERTICAL CONTROLS includes three menu buttons such as CH1 MENU CH2 MENU and Math and four knobs such as VERTICAL 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 To turn waveforms on or off channel math Pressing the CH1 MENU CH2 MENU and Math buttons have the following effect e If the waveform is off the waveform is turned on and its menu is displayed If the waveform is on and its menu is not displayed its menu will be displayed e If the waveform is on and its menu is displayed the waveform is turned off and its menu goes away CH1 menu CH2 menu Couple setting Probe setting Limit setting Fig 5 1 Channel Setting Menu 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 signal GROUND The Input signal is interrupted eied OFF Th
57. n the peaks of the trigger signal Force Force to create a trigger signal and the function is mainly used in Normal and Single mode Trigger Menu The button that activates the trigger control menu Trieger Control The oscilloscope provides two trigger types single trigger and alternate trigger Single trigger Use a trigger level to capture stable waveforms in two channels simultaneously Alternate trigger Trigger on non synchronized signals The Single Trigger and Alternate Trigger menus are described respectively as follows single trigger single trigger has four modes edge trigger video trigger 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 User Manual of Smart Digital Storage Oscilloscope 34 The Edge Trigger Menu is shown as Fig 5 17 Edge menu list MENU SETTINGS _ INSTRUCTION
58. nd Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 Increment window shows two cursors difference value and the present position See Fig 5 55 User Manual of Smart Digital Storage Oscilloscope 66 AKTAKOM 000Hz Ax 3 1 0UURKHZ xl 5 0BBHz x2 1 005RHZ7 1 00001KHz SKS s 250Hz 800mv 0 00div Fig 5 55 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 56 Autoscale menu The menu is as follows Function Menu Setting Instruction Turn off Autoscale Autoscale Turn on Autoscale 67 User Manual of Smart Digital Storage Oscilloscope Follow up and adjust the vertical and horizontal settings Follow up and adjust horizontal scale without changing vertical setting Follow up and adjust vertical scale without changing horizontal setting Show Multi period waveforms Only show one or two periods If you want to measure the two channel signal you can do as the follows 1 Press Autoscale button the function menu will appear 2 Press H1 to choose ON 3 Press H2 and choose for Mode item 4 Press H3 and choose Ann for Wave item Then the wave is displayed in the screen shown as Fig 5 57 AKTAKOM 12
59. ng the burst burr of larger amplitude 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 User Manual of Smart Digital Storage Oscilloscope 74 AKTAKOM 0 000ns 62 5M5 s M 100us Depth 100K ff f Fig 6 3 Capture the Single Signal Example 4 Analyze the Details of a Signal 75 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 Acquire menu 2 Press the H1 button to display ACQU Mode menu 3 Press the F2 button to 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 User Manual of Smart Digital Storage Oscilloscope AKTAKO
60. nuously Once Play back the wave just one time Operate Play Begin to record Stop Stop recording User Manual of Smart Digital Storage Oscilloscope 52 I Playmode Startframe il End frame 50 Cur frame 1 Interval 100ms urA CENE ERU Heppinn d Type Mode Playmode Operate FrameSet RecordlMEPlayback boop OncesPilay stop Fig 5 37 Wave Playback Storage Save the current wave according to the start frame and end frame set Storage menu shows as follows Setting Instruction Turn the M knob to select the number of start frame Storage Start frame to store 1 1000 Mode Turn the M knob to select the number of end frame to Frame Set End frame store 1 1000 Save Save the waveform record file to the internal memory Load Load the waveform record file from the memory 0 000ns I savemode Startframe T End frame ECT ER MAU SPA M 200us _ 0 00mv Depth 1K Type ods FrameSet Save Load Record storage 53 User Manual of Smart Digital Storage Oscilloscope Fig 5 38 Wave Storage To use wave record function do as follows 1 Press Save button 2 Press H1 button turn the M knob to choose Record 3 Press H2 button In the Mode menu press F2 button to choose Record 4 Press H3 button In the Frame Set menu press F1 button and turn the M knob to set End frame press F2 button and turn the M knob to select the interval between recorded frames 5 Press H4 button c
61. ope 28 29 0 000Hz I gt Source CH1 CH2 Window Hamming Format Vrms dB Zoom X1 1 00001EKHz f 800mv 250Hz Dual FFET Math Fig 5 9 Hamming window 0 000Hz ERI i Source CH1 CH2 Window Rectangle Format Vrms dB Zoom X1 1 00002EKHz _f 800mv rr d Dual Wfm FFT Math Fig 5 10 Rectangle window User Manual of Smart Digital Storage Oscilloscope AKTAKOM m nga 1 00001KHz SKS s _f 800mv aa BB Rr Fig 5 11 Hamming window Quick Tips If desired use the zoom feature to magnify the FFT waveform Use the default dB scale to see a detailed view of multiple frequencies even if they have very different amplitudes Use the Vrms 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 on the source signal 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
62. orm inverted is closed off For the screen display see Fig 5 4 and Fig 5 5 0 000ns M 500us Coupling Inverted Probe DC en F F x10 Fig 5 4 Waveform not inverted Limit ebb eT band y ee el el ee el MMA pote 0 nae 12 5MS s M 500us SEP AES Coupling Inverted Prohe Limit 9 7 1 000ns o full band Fig 5 5 Waveform Inverted User Manual of Smart Digital Storage Oscilloscope 24 DC ON OFF X10 4 Setting of Band Limit When high frequency components of a waveform are not important to its analysis the bandwidth limit control can be used to reject frequencies above 20 MHz Taking the Channel 1 for example the operation steps are shown as below 1 Press the CH1 MENU button to call out the CH1 SETUP menu 2 Press the H4 button and the Limit menu will display 3 Press the F1 button to select the Band Limit as full band The high frequency of the signal will be allowed to pass 4 Press the F2 button to select the Band Limit as 20M The bandwidth is limited to 20M Hz The frequencies above 20 MHz will be rejected Implementation of Mathematical Manipulation Function 25 The Mathematical Manipulation function is used to show the results of the addition 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 Math l 2
63. re 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 Hamming with somewhat improved amplitude accuracy over the rectangle window It has a slightly better frequency resolution than the Hamming 27 User Manual of Smart Digital Storage Oscilloscope Use Hamming 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 This is a very good window for measuring amplitude accuracy but less so for resolving frequencies Hamming Use Hamming 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 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 IKHz AKTAKOM HZ OOURZ i 1 00000KHz SKS s f 800mv 1 Wy Fig 5 8 Blackman window User Manual of Smart Digital Storage Oscillosc
64. s include Frequency Period Rise Time Fall Time Width Width Delay 123 Delay 1 2 Duty and Duty Figure 5 46 shows a pulse with some of the time measurement points 61 User Manual of Smart Digital Storage Oscilloscope Rise Time Fall Time l l l J M Width B M Wih Fig 5 49 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 12 t The delay between the two channels at the falling edge Duty Duty Cycle defined as Width Period Duty Duty Cycle defined as Width Period How to measure with cursors Press the Cursor button to display the cursor measurement function menu CURS MEAS in the screen The Cursor Measurement for normal model The cursor measurement includes Voltage Measurement and Time Measurement at normal model shown as Fig 5 50 Fig 5 50 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table User Manual of Smart Digital Storage Oscilloscope 62 63 ean Switch o
65. s 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 1s any loss of accessories with reference to this description If it 1s found that there 1s any accessory lost or damaged please get in touch with the distributor of AKTAKOM responsible for this service or the AKTAKOM s local offices 3 Check the Complete Instrument If it 1s found that there is damage to the appearance of the instrument or the instrument cannot work normally or fails in the performance test please get in touch with the AKTAKOM s distributor responsible for this business or the AKTAKOM s local offices If there 1s damage to the instrument caused by the transportation please keep the package With the transportation department or the AKTAKOM s distributor responsible for this business informed about it a repairing or replacement of the instrument will be arranged by the AKTAKOM User Manual of Smart Digital Storage Oscilloscope 12 How to implement the Function Inspection 3 13 Make a fast function check to verify the normal operation of the instrument according to the following steps Connect the power cord to a power source Turn on the Power Switch Button on the left side make sure the side is pressed do
66. st the horizontal position and size of this window area In FFT mode Set menu is invalid See Fig 5 15 fJo0 000ns y Doo lt lt 0 oons nan AIMO n a a on BUM ee fll elt lll 1 4 JUN 12 5M57s M 500us W 100us Depth 100K Main Set Zoom T 1 000ms d Fig 5 15 Window Setting Window Expansion Press the H3 menu selection button and choose Zoom As a result the window area defined by two cursors will be expanded to the full screen size see Fig 5 16 eat Jad Jeet Vee CE CUR Be ot et o8 Boer jer Lr joe e er ros feo es ws oer Cet SC 12 5MS s M 500us W 100us Depth 100K Ca 00 Set Fig 5 16 Zoom Window 33 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 consists of 1 knob and 3 menu keys TRIG LEVEL The knob that set the trigger level press the knob and the level will be cleaned to Zero 50 The instant execute button setting the trigger level to the vertical midpoint betwee
67. 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 45 Output menu The description of Output menu is shown as the follows Dunchon Settin Description Menu p Type Trig level Output trig signal synchronously P Pass fail Output High Level when Pass and Low Level when Fail How to Measure Automatically Press the Measure button to display the menu for the settings of the Automatic User Manual of Smart Digital Storage Oscilloscope 58 Measurements The oscilloscopes provide 20 parameters for auto measurement including Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Period Rise Time Fall Time Delay A BF DelayA B Width Width Duty Duty That s 10 voltage and 10 time measurements in all The menu is displayed as Fig 5 46 Fig 5 46 Measure Menu The Automatic Measurements menu is described as the following table Function Menu Setting Type es Press F1 show the measure types Select the source CH i CH2 Add Show all Show all the measures on the screen Add the selected measure types showed at the left bottom you could only add 8 types at most Turn M knob select the types need to be deleted Remove the chosen measure type lype Remove
68. t 1 15 saved to or recall from Recall or close the waveform stored in the current object address When the show is l ON if the current object address has been Dna nO Show ON used the stored waveform will be shown OFF the address number and relevant information will be displayed at the top left of the screen if the address is empty None is saved will be displayed save the waveform of the source to the selected address You can also press Copy button to do it Storage format is vector Choose the saving type the Record Type see How to Record Playback Waveforms on P51 Type Save to internal storage of USB storage When External is selected save the waveform according to the current record Storage Internal length see Record Length Menu on P42 External The file will be named according to the current system time The waveform file could be open by OWON waveform analysis software on the supplied CD When the type is Setting the menu shows as following 49 User Manual of Smart Digital Storage Oscilloscope Setting 1 Setting The setting address Settings Gave BE the current oscilloscope setting to the V NE storage Recall the setting from the selected address When the type is Image the menu shows as following Save the current display screen You can also press Copy button to do it The file can be only stored in a USB storage so a USB storage must be connected first The file
69. t indicates that there is a U disk connecting with the oscilloscope Indicating battery power status see Display on P55 The red pointer shows the trigger level position for CH1 The waveform of CHI 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 PAM 22 Z9 24 Rising edge triggering Y Falling edge triggering de Video line synchronous triggering vil Video field synchronous triggering The reading shows the trigger level value of the corresponding channel The reading shows the window time base value The reading shows the setting of main time base The readings show current sample rate and the record length It indicates the measured type and value of the corresponding channel F means frequency T means cycle V means the average value Vp the peak peak value Vk the root mean square value Ma the maximum amplitude value Mi the minimum amplitude value Vt the Voltage value of the waveform s flat top value Vb the Voltage value of the waveform s flat base Va the amplitude value Os the overshoot value Ps the Pres hoot value RT the rise time value FT the
70. tal 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 5ns up to 100s in the sequence of 1 2 5 ADS2061 or ADS2061 2 Usethe 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 3 With the HORIZ MENU button you can do the Window Setting and the Window Expansion 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 User Manual of Smart Digital Storage Oscilloscope 18 19 Fig 4 14 Trigger Control Zone Press the Trigger Menu button and call out the trigger menu With the operations of the menu selection buttons the trigger setting can be changed Use the TRIG LEVEL knob to change the trigger level setting With the rotation of the TRIG 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
71. 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 B This instrument should run for more than 30 minutes continuously under the specified operating temperature B If the change range of the operating temperature is up to or exceeds 5 C open the system function menu and execute the Auto calibration procedure see How to Implement Auto calibration on P16 All specification standards can be fulfilled except one s marked with the word Typical Performance Characteristics Instruction Bandwidth ADS2061 60MHz 2 1 External Normal Peak detect Averaging Acquisition sample rate 500MS s ADS2061 real time 250MS s for dual channels Input coupling DC AC Ground Input impedance IMQ 2 in parallel with 1O0pF 5pF Probe attenuation IX 10X 100X 1000X factor Input Max input voltage 400V PK PK DC AC PK PK Bandwidth limit 20MHz full bandwidth S0Hz 100 1 Channel isolation I0MHz 40 1 Time delay between 150ps channel typical Horizontal 0 5S s SOOMS s single channel l t ADS2061 User Manual of Smart Digital Storage Oscilloscope 82 Performance Characteristics Instruction Record length 10M points on each channel Scanning speed 5ns div 100s div ADS2061 S div step by
72. tion Pass Fail The Pass Fail function monitors changes of signals and output pass or fail signals by comparing the input signal that is within the pre defined mask Press the Utility button and turn the M knob to select the Pass fail to go to the following menu pass fail Fig 5 43 Pass Fail menu User Manual of Smart Digital Storage Oscilloscope 56 The description of Pass Fail Menu is shown as the follows Setting oncnis Enable Control enable switch i Operate Control operate switch Signal tested corresponds with the rule Signal tested not correspond with the rule Output Beep when it satisfies the rule Stop once satisfying the rule Control the display status of info frame Source Select source CH1 CH2 or Math Horizontal Change the Horizontal tolerance value by turning the M knob Vertical Change the Vertical tolerance value by turning the M knob Create Use the rule set as testing rule Number Choose any one from Rulel Rule8 as your rule name Save Rule 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 it 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 1 Press Utility button then H1 button turn the M knob to choose Pass
73. tion of the Display Set Menu is shown as follows Setting Dots Only the sampling points are displayed Type Vect The space between the adjacent sampling points in the display is filled with the vector form OFF second Time 2 seconds Turn the M knob to set the persistence time Persist 5 seconds Infinity Clear the persistence XY Mode ON Turn on the XY display function OFF Turn off the XY display function e E ON Turn on the cymometer d OFF Turn off the cymometer ON FF Connect the VGA port to a monitor If set it as VGA Disp O ON the waveform could be displayed on the computer monitor Display Type With the F1 menu selection button pushed down you can shift between Vect and Dots types The differences between the two display types can be observed through the comparison between Fig 5 30 and Fig 5 31 AKTAKOM 12 5MS s M 500us S Depth 100EK Fig 5 30 Display in the Vector Form 45 User Manual of Smart Digital Storage Oscilloscope AKTAKOM 12 5MS s M 500us Depth 100K Fig 5 31 Display in Dots form Persist When the Persist function is used the persistence display effect of the picture tube oscilloscope can be simulated the reserved original data 1s displayed in fade color and the new data is in bright color Press the H2 button the Persist menu will display at the right of screen Press the F1 button different persistence time can be chosen OFF 1second 2second 5second and Infini
74. to Record length and time base displacement Trigger Holdoff 100ns 10s range 50 level Input signal frequency 250Hz Trigger level range setting typical Rising Fall Edge trigger EDS Ising Falling Sensitivity 0 3div User Manual of Smart Digital Storage Oscilloscope 84 Performance Characteristics Instruction Positive pulse gt lt Trigger condition u Pulse trigger negative pulse gt lt Pulse Width range 24ns 10s Modulation Support standard NTSC PAL and H SECAM broadcast systems Video Trigger 1 525 NTSC and 1 625 PAL SECAM Positive pulse gt lt Trigger condition u Slope Trigger negative pulse gt lt Time setting 24ns 10s Trigger on CHI Edge Pulse Video Slope ices Triggeron CHI Trigger on CH2 Edge Pulse Video Slope 85 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 Output Voltage About 5V with the Peak to Peak voltage equal to or greater Typical than IMQ of load Frequency Typical Square wave of IKHz Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT II 1A T grade 250V Batty oroni Cell 558792 4000mAh 3 7V Optiona bx Pack 2s2p 7 4V 8000mAh Environment Working temperature 0 C 40 C
75. 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 complying 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 ventilation condition Please
76. torage function Wave Record contains four modes OFF Record Playback and Storage Record To record wave according to the interval until it reaches the end frame set Record menu shows as follows Setting OFF Close wave record function Record Set record menu Mode Playback Set playback menu storage set storage menu End frame Turn the M knob to select the number of frames to Record mode record 1 1000 Frame Set Interval Turn the M knob to select the interval between recorded frames 1ms 1000s Rere ON Refresh wave during recording OFF Stop refreshing Operate Play Begin to record Stop Stop recording Note Both of the waveforms of Channel 1 and Channel 2 will be recorded If a Channel is turned off while recording the waveform of the channel is invalid in the playback mode 51 User Manual of Smart Digital Storage Oscilloscope AKTAKOM 250K57s M 200us NE 0 0mnv Depth 1K f f f f Record Stop Fig 5 36 Wave Record Playback Play back the wave recorded or saved Playback menu shows as follows Start frame Turn the M knob to select the number of start frame to playback 1 1000 End frame Turn the M knob to select the number of end frame Playback Mode to playback 1 1000 Frame Set Cur frame Turn the M knob to select the number of current frame to playback 1 1000 Interval Turn the M knob to select the interval between played back frames 1ms 1000s Play mode Loop Play back the wave conti
77. ty When the Infinity option 1s set for Persist time the measuring points will be stored till the controlling value 1s changed see Fig 5 34 By pressing the F2 button the persistence will be cleared User Manual of Smart Digital Storage Oscilloscope 46 AKTAKOM 160 0us 12 5MS s M 500us Depth 100EK 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 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 cannot be changed The operations of all control knobs are as follows B The Vertical VOLTS DIV and the VERTICAL POSITION knobs of Channel 1 are used to set the horizontal scale and position B 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 cannot work in the XY Format 47 B 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 User Manual of Smart Digital Storage Oscilloscope 2 Press the H3 menu selection button to set XY Mode ON The display format is changed to be XY mode see Fig 5 33 AKTAKOM EIU e PA M 1 0ms Depth 1E Persist OFF
78. utton the period measurement will be added 6 Press the F1 button again the type items will display at the left of screen and turn the M knob to choose Freq 7 Press the F4 button the frequency measurement will be added finish settings of channel 1 8 Press the F2 button to choose CH2 as the source 9 Press the F1 button the type items will display at the left of screen and turn the M knob to choose Mean 10 Press the F4 button the mean measurement will be added 11 Press the F1 button the type items will display at the left of screen and turn the M knob to choose PK PK User Manual of Smart Digital Storage Oscilloscope 12 Press the F4 button the peak to peak voltage measurement will be added finish settings of channel 2 Then the period frequency mean and peak to peak voltage will be displayed at the bottom left of the screen and change periodically see Fig 6 1 AKTAKOM 12 5MS57s M 500us NNLE ULT Depth 100K ff 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 see How to Set the Probe Attenuation Coefficient on P14 Connect the oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end Operation Steps 1 Push down the Autoset button and the oscilloscope will automatically adjust the waveforms of
79. will switch to Peak detection menu while in the state of Average sampling mode How to Use Executive Buttons Executive Buttons include 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 Vertical Scale Adjust to the proper division Run Stop Enable or disable the waveform sampling 69 Notice Under the Stop state the vertical division and the horizontal time User Manual of Smart Digital Storage Oscilloscope 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 is 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 This button is the shortcut of saving function of the Save function menu Pressing this button is equal to the Save option in the Save function menu The current waveform or the display screen could be saved according
80. wn Then push down the button of the D signal on the top The instrument carries out all self check items and shows the Boot Logo Press the Utility button then press H1 button to get access to the Function menu Turn the M knob to select Adjust and press H3 button to select Default The default attenuation coefficient set value of the probe in the menu is 10X 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 Press the Autoset Button The square wave of 1 KHz frequency and 5V peak peak value will be displayed in several seconds see Fig 4 7 AKTAKOM 12 5MS s M 500us Depth 100K Fig 4 7 Auto set Check CH2 by repeating Step 2 and Step 3 User Manual of Smart Digital Storage Oscilloscope How to Implement the Probe Compensation When connect the probe with any input channel for the first time make this adjustment to match the probe with the input channel The probe which is not compensated or presents a compensation deviation will result 1n the measuring error or mistake For adjusting the probe compensation please carry out the following steps l Set the attenuation coefficient of the probe in the menu as 10X and that of the switc
81. you can set the different options for the current menu The other pushbuttons are function buttons through which you can enter different function menus or obtain a specific function application directly Fig 4 Front panel 1 Power on off Display area 3 Power indication light Green light Indicating DSO connects with AC Power and the battery is in full 1f User Manual of Smart Digital Storage Oscilloscope 6 there 1s battery inside DSO Yellow light Indicating DSO connect with AC Power and the battery is in charging 1f there 1s battery inside DSO Dim Only powered by battery without connecting AC Power 4 Control key and knob area 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 l Power switch represents power ON O represents power OFF 2 AC power input jack Right side panel A Nh m Fig 4 3 Right side panel 1 USB Host port It is used to transfer data when external USB equipment connects to 7 User Manual of Smart Digital Storage Oscilloscope 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 the oscilloscope regarded as Device equipment For example to use this port when connect PC to the oscilloscope by USB

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