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PDS Series User Manual

1. M Pos 0 000ns lt T A i Tr dE eek iiis TT x S ERN TERES TT JE NUN NERO UNE pen T CH1 SETUP Coupling parempia m be Channel ON Probe 1X Inverted A UM A RNC EU A RO E E NE OFF CHi 2 004 CHzZ 50 0mu M 500us CH1 Z 4 u Fig 15 AC Coupling Oscillogram OWON iy M Pos 0 000ns __CH1 SETUP Th Coupling XU Rs OE CGU j E E 1 NEN kh i E E E L E m Hex Au E M ne E A aea N J e Channel CH1 2 00u CHz 50 Omu M 500us CH1 Z 46u Fig 16 DC Coupling Oscillogram 2 Setting the Channel ON OFF Taking the Channel 1 for example the operation steps are shown as below 26 User s Manual of OWON Colour Digital Storage Oscilloscope 1 Press the CH1 MENU button and call out the CH1 SETUP menu 2 Press the F2 menu selection button and select the Channel as OFF with Channel 1 switched off 3 Press F2 menu selection button again select the channel as ON with Channel 1 is switched on 3 Regulate the Attenuation Ratio of the Probe In order to match the attenuation coefficient of the probe it 1s required to adjust the attenuation ration coefficient of the probe through the operating menu of the Channel accordingly If the attenuation coefficient of the probe 1s 1 1 that of the oscilloscope input channel should also be set to 1 X to avoid any errors presented
2. 2 Clean the instrument with a wet soft cloth not dripping water during the period of which please pay attention to the disconnection of power It is recommended to scrub with soft detergent or fresh water Please don t apply any corrosive chemical cleaning agent to prevent the instrument or probe from damage LN Ware Before power on again for operation it is required to confirm that the instrument has already been dried completely avoiding any electrical short circuit or bodily injury resulting form the moisture 89 User s Manual of OWON Colour Digital Storage Oscilloscope Appendix D Battery Using Guide Battery electric quantity indicating symbols including MA B ana 1 Charging the oscilloscope The lithium battery maybe not be charged when delivery Please charge the battery for 12 hours to make sure enough power to supply the oscilloscope should be turned on during charging 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 E a and L imply for different power consumption and when L 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 require
3. OUJOn PDS Series Portable Colour Digital Storage Oscilloscope User Manual E PDS5022S E PDS6042S E PDS6062S E PDS6062T E PDS7062T E PDS7102T WWW OWON COM CN Jan 2010 edition Copy Right in this Manual Lilliput Company All rights have been reserved The Lilliput s products are under the protection of the patent rights in America and other countries including ones which have already obtained the patent rights and those which are applying for The information in this manual will replace all that in the materials published originally The information in this manual was correct at the time of printing However Lilliput will continue to improve products and reserves the rights to changes specification at any time without notice OWON is the registered trademark of the Lilliput Company Xiamen Lilliput Technology Co Ltd the 5th floor B Area Chuangxin Mansion Software Park ZhenZhuWan Huandao RD Xiamen Fujian China Fujian Lilliput Optoelectronics Technology Co Ltd The mansion of optoelectronics hengsan road Lantian industrial zone Zhangzhou Fujian China Tel 86 592 2575666 Fax 86 592 2575669 Mail sales owon com cn User s Manual of OWON Colour Digital Storage Oscilloscope General Warranty The Lilliput warrants that the product will be free from defects in materials and workmanship for a period of three years from the date of purchase of the product by the original purchaser from the Lilliput company An
4. User s Manual of OWON Colour Digital Storage Oscilloscope 1 RS Fig 1 The Front Panel of a PDS series Oscilloscope Function Buttons 2H BREL HEESUPRE Fuh TOF L Po SmE H E 5 hs E XA d i E 3 L TAG HE L Adjustment Vertical Control Connector Horizontal Trigger Menu Selection Control Control Fig 2 Explanatory Drawing for Operations of the PDS series Oscilloscope User s Manual of OWON Colour Digital Storage Oscilloscope l 4 3 4 5 6 21 19 Lesh 17 pop m5 i ae 10 9 Fig 3 Illustrative Drawing of Display Interfaces The Trigger State indicates the following information Auto The oscilloscope is under the Automatic mode and is collecting the waveform under the non trigger state Trig d The oscilloscope has already detected a trigger signal and is collecting the after triggering information Ready All pre triggered data have been captured and the oscilloscope has been already ready for accepting a 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 Waveform Viewing Area The purple pointer indicates the horizontal trigger position which can be adjusted by the horizontal position control knob The reading shows the time deviation between the horizontal trigger position and the screen centre line which equals 0 in the screen ce
5. carry out the following operations if the wave form 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 1s any signal generated from the object to be measured the trouble can be shot by the connection of the channel from which there is a signal generated with the channel in fault O 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 1s match 4 Thereis wave form displayed but it is not stable Check whether the Source item in the TRIG MODE menu is in conformity with the signal channel used in the practical application Check on the trigger Type item The common signal chooses the Edge trigger mode for Type and the video signal the Video Only if a proper trigger mode 1s applied the wave form can be displayed steadily O 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
6. in the displayed scale factor information and the measured data Take the Channel 1 as an example the attenuation coefficient of the probe is 1 1 the operation steps 1s shown as follows 1 Press the CH1 MENU button access CH1 SETUP menu 2 Press the F3 menu selection button and select 1 X for the probe The Fig 17 illustrates the setting and the vertical scale factor when the probe of the attenuation coefficient of 1 1 1s used M Pos 0 000ns Fig 17 Regulation of the Attenuation Ratio of the Probe A List of the Attenuation Coefficients of Probes and the Corresponding Menu Settings 2l User s Manual of OWON Colour Digital Storage Oscilloscope Attenuation Coefficient of the Probe Corresponding Menu Setting 10 1 10X 100 1 100X 4 Setting of Wave Form Inverted Wave form inverted the displayed signal 1s turned 180 degrees against the phase of the earth potential Taking the Channel 1 for example the operation steps are shown as follows 1 Press the CH1 MENU button and get access to the CH1 SETUP menu 2 Press the F4 menu selection button and select ON in the Inverted The wave form inverted function is initiated 3 Press the F4 menu selection button again and select OFF for Inverted item The function of wave form inverted 1s closed off For the screen display see Fig 18 and Fig 19 28 User s Manual of OWON Colour Digital Storage Oscilloscope Coupling gp re
7. CONTROLS The following practices will gradually direct you to be familiar with the using of the vertical setting Fig 11 Vertical Control Zone 1 Use the button VERTICAL POSITION knob to show the signal in the center of the waveform window The VERTICAL POSITION knob functions the regulating of the vertical display position of the signal Thus when the VERTICAL POSITION knob is rotated the pointer of the earth datum point of the channel is directed to move up and down following the wave form 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 1s 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 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 O Rotate the vertical VOLTS DIV knob and change the Vertical Scale Factor Voltage Division it can be found that the scale factor of the channel corresponding to the status bar has been changed accordingly O Press buttons of CHI MENU CH2 MENU and MATH MENU the operation menu symbols wave forms and s
8. Capture the Single Signal Example 4 Analyze the Details of a Signal Observe the Signal Containing Noises If the signal 1s interfered by the noise the noise may cause a failure in the circuit For the analyzing of the noise in detail please operate the instrument according to the following steps 1 Press the ACQUIRE button to display the ACQU MODE menu 2 Press the F2 menu selection button and choose Peak Detect In this case the screen display contains the wave form 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 68 JI User s Manual of OWON Colour Digital Storage Oscilloscope Fig 68 Wave Form of the Signal Containing Noises Separate Noises from the Signal When analyze the wave form of a signal you should remove the noise contained in it For the reduction of the random noise in the oscilloscope display please operate the instrument according to the following step l Press the ACQUIRE button to show the ACQU MODE menu 2 Press the F3 menu selection button and choose Average 3 Press the F4 menu selection button and observe the wave form obtained from averaging the wave forms of different average number After the averaging the random noise 1s reduced and the detail of the signal 1s easier to be observed Shown as follows after the noise 1s removed the burrs on the rising and falling edges app
9. FFT after entering FFT menu and please note that FFT 1s prohibited in Window setting mode The green waveform F is shown in the screen after calculation 3l User s Manual of OWON Colour Digital Storage Oscilloscope 4 Press F2 selection button to switch over source channel CH1 and CH2 5 Press F3 button to select WINDOW including Rectangle Hamming Hanning and Blackman 6 Press F4 to choose the Format as dB or Vrms 7 Press F5 to zoom in or out the wave of the multiple including 1 2 5 10 8 Adjust the Horizontal knob in horizontal control zone to move the waveform and the shown frequency of M Pos is the exact frequency of the cursor point in the middle of spectrum 9 Press F1 to choose off to Turn off FFT and then press math menu button to go back to the second page of wave math Selecting an FFT Window WE 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 determine which window to use Use the following guidelines to select the best window This 1s the best type of window for resolving frequencies that are very close to the same value but worst for accurately measuring the amplitude of those frequencies It is the best type for measuring the frequency spectrum of nonrepetitive signals and measuring frequency components near DC Use rectangle for measuring tran
10. Input signal Gain db 20xlog gain Fig 65 Wave Form of Gain Measurement Example 3 Capture the Single Signal The digital storage oscilloscope takes the lead in providing the convenience capturing of such non periodic signals as pulse and burr etc If you intent to capture a single signal you can not set the trigger level and the trigger edge unless you have particular priori knowledge of this signal For example if the pulse is the logic signal of a TTL level the trigger level should be set to 2 volts and the trigger edge be set as the rising edge trigger If it is uncertain as to the signal you can make an observation of it in advance under the automatic or ordinary mode to determine the trigger level and the trigger edge The operation steps are as follows 74 User s Manual of OWON Colour Digital Storage Oscilloscope 3 4 5 Set the probe menu attenuation coefficient to 10X and that of the switch in the probe to 10X Adjust the VOLTS DIV and SEC DIV knobs to set up a proper vertical and horizontal ranges for the signal to be observed Press the button ACQUIRE to display the ACQUIRE Mode menu Press the F2 menu selection button and choose Peak Detect Press the TRIG MENU button to display the Trigger Mode menu The following steps are different for different models PDS5022S PDS6042S PDS6062S PDS6062T 6 4 8 9 Press the F1 menu selection button and choose Edge as the trigger type Press the F4 me
11. OWON STOP Pos 1 030KHz FFT l FFT ON Source CH1 Window Hamming Format dB CH1 20d5 25Hz DIV Eg FER s CH1 1 02973EHz Fig 22 Hamming window OWON STOD M Pos 1 030KHz FFT i ON CH1 Window Peake Xo vUBEg dE CO E ee Cb do d WoECUW PD b Go P Yo US TT E CI 4 Eo d do bod d OE OW 4d OE d4 X0 Good aI o Rectangle Format LM ee eee ee eee ey see dB CH1 20dB 250Hz DIV 5ES s Pa CH1 1 03178KHz Fig 23 Rectangle window 34 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 24 Hanning window Quick Tips BM If desired use the zoom feature to magnify the FFT waveform M Use the default dBV RMS scale to see a detailed view of multiple frequencies even if they have very different amplitudes Use the linear RMS scale to see an overall view of how all frequencies compare to each other M 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 M 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
12. PDS7102T Single bandwidth Full bandwidth Low Frequency 5Hz at input AC coupling 3dB lt 14ns PDS5022S Rise time lt 8 75ns PDS60462S at input Typical lt 5 8ns PDS6062S PDS6062T PDS7062T lt 3 5 ns PDS7102T 85 User s Manual of OWON Colour Digital Storage Oscilloscope The voltage difference AV between any two points on the wave form after averaging the captured wave forms of more than 16 DC accuracy 5 Reading 0 05 divisions average PDS5022S PDS6042S PDS6062S PDS6062T O 3 Reading 0 05 divisions PDS7062T PDS7102T Rising Falling Line synchronization Field synchronization Trigger lype Odd field Even field Any line Edge Ajustable 0 2div 1 0div trigger Trigger Internal 0 3div level EXT 40mV 6 of Set Value Accuracy EXT S 200mV 6 of Set Value typical Pre trigger 655 div Post trigger 4 div 100ns 10s Horizontal Trigger displacement Trigger Holdoff range 50 level setting typical Input signal frequency 50Hz Internal Trigger Peak peak value of 2div sensitivity EXT 400mV Video trigger typical EXT 5 2V 86 User s Manual of OWON Colour Digital Storage Oscilloscope NTSC PAL SECAM any Signal system frequency Alternate CHI trigger Edge Video trigger CH2 trigger Edge Video Peak to peak value average value root mean square value freq
13. Source by 5 to expand the external trigger level range Set vertical channel trigger type for edge Slope Rising set a trigger on the rising edge of the signal P Falling set a trigger on the falling edge of the signal Auto Collect the wave form even if there is not trigger condition is detected Normal Collect the wave form only when the trigger condition 1s fulfilled Source Trig mode single Collect a wave form when a trigger 1s detected and then stop sampling Block the direct current component Unblock all components Coueins Block the high frequency signal and only unblock the low frequency component Block the low frequency signal and only unblock the high frequency component Sensitivity Holdoff 100ns 10s Tum TRIG LEVEL knob to set time slot before another trigger event Holdoff Reset Make such settings in Channel 1 as Rising for Slop Auto for Mode and DC for Coupling The operation steps are as follows 1 Press the TRIG MENU button and call out the trigger menu 2 Press the F1 menu selection button and select single for Type 3 Press the F2 menu selection button and select CHI for source 4 Press the F2 menu selection button and select CHI for source 5 Press the F4 menu selection button and choose Rising for Slope 6 Press the F5 menu selection button to next menu and press the F2 menu selection button choose AUTO for Coupling 7 Press the F3 menu selection button choose DC for Coupling
14. Wave Form Calculation Setting CHI CH2 Subtract the Channel 2 wave form from the Channel 1 wave form CH2 CHI Subtract the Channel 1 wave form from the Channel 2 wave form CH1 CH2 Add the Channel 1 wave form to the Channel 2 Waveform of Corresponding FFT operation 30 User s Manual of OWON Colour Digital Storage Oscilloscope Using FFT function An FFT breaks down signals into component frequencies which the oscilloscope uses to display a graph of the frequency domain of a signal as opposed to the oscilloscope s standard time domain graph You can match these frequencies with known system frequencies such as system clocks oscillators or power supplies FFT in this oscilloscope can transform 2048 points of the time domain signal into its frequency components and the final frequency contains 1024 points ranging from OHz to Nyquist frequency The following table describes the FFT menu ON Turn on FFT function FFT OFF Turn off FFT function CHI Select CH1 as FFT source Source CH2 Select CH2 as FFT source Rectangle Blackman Window select window for FFT Hanning Hamming Select dB for Format Format Select Vrms for Format set multiple 1 set multiple 2 Zoom set multiple 5 Set multiple 10 Taking the FFT operation for example the operation steps are as follows 1 Press the MATH MENU button and call out the WAVE MATH menu 2 Press the F4 selection button to choose FFT 3 Press FI to turn on off
15. eese ey eee noa rho Ue ere agen nea eon ee P Eras ene ep erp eee evade UY E da Ur ee ve ane n EE eY Y VEe 32 To pertorm Sampling Seblp d iere oae aee EN Un SEU NE NN EUR Ne ed arae Ee EQ ve ERI P EU E IN NIE NER INE E URINE 52 To set the Display SS ia 54 To Save and Recall WAve OFEID ee eee pee eoa pau e aa e aane sue pa n eaa a gae Yon aua a e age Ya paga ae age Y e aun ioiei 58 To perform the Auxiliary System Function Setting cccccsssscsscccccccccssssscsssssssssssees 60 To perform the Automatic Measurement ecce eee eee eese eee eee eese esos ss ss eee eese eesssssssue 62 To perform the Cursor Measuremenht eee ee eee eee eese eee ee eee ette esses sss eee eee eee esssssssoe 65 Tose A MOS oM 68 TO use Executive D ltOns ae Deo au eae 71 DITE Stat Go rot m 72 Example 1 Measurement of Simple Signals eee e ecce ecce ee eee eee e eee ee eese eaaet esee 72 Example 2 Gain of the Amplifier in the Metering Circuit ecce eere eere 73 Example 3 Capture the Single Signal neeeeeeiieeee e esos spat eo esta po eee neo sa sanno na sae se espe sp epos eeee 74 Example 4 Analyze the Details of a Signal cec ccce eee eee eter eee eee eee e eee eee eeSe 77 Example 5 Application of X Y Function cccccssssssssssssssccccccccssssssss
16. form Carry er Vectors The data transmitted 1n communication are 1n the vector form On Battery power content symbol on Battery y P Off Battery power content symbol off Display Type With the F1 menu selection button pushed down you can shift between Vectors and Dots types The differences between the two display types can be observed through the comparison between Fig 48 and Fig 49 OVON M Pos 0 000n So CH1 640mu Fig 48 Display in the Vector Form 55 User s Manual of OWON Colour Digital Storage Oscilloscope OWONM M Pos 0 000ns NO CHi 640mu Fig 49 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 is displayed in fade color and the new data is in bright color With the F2 menu selection button different persistence time can be chosen Isec 2sec 5sec Infinite and Closed When the Infinite option is set for Persist time the measuring points will be stored till the controlling value is changed see Fig 50 56 User s Manual of OWON Colour Digital Storage Oscilloscope OWONM M Pos 0 000ns CHi All Fig 50 Infinite Persistence Display XY Format This format is only applicable to Channel 1 and Channel 2 After the XY display format is selected Channel 1 1s displayed in the horizontal axis and Channel 2 in the vertical axis the oscilloscope is set in the untriggered s
17. input or output terminal Connect the probe correctly The grounding end of the probe corresponds to the grounding phase Please don t connect the grounding end to the positive phase 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 perform 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 1s 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 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 User s Ma
18. or 1s less than 50ms the horizontal time base can be expanded for 4 divisions downwards 7 User s Manual of OWON Colour Digital Storage Oscilloscope Quick Start Guide Example 1 Measurement of Simple Signals Observe an unknown signal in the circuit and display and measure rapidly the frequency and peak to peak value of the signal 1 Carry out the following operation steps for the rapid display of this signal l Set the probe menu attenuation coefficient as 10X and that of the switch in the probe switch as 10X 2 Connect the probe of Channel 1 to the measured point of the circuit 3 Push down the AUTOSET button The oscilloscope will perform the AUTPSET to make the wave form optimized based on which you can further regulate the vertical and horizontal divisions till the waveform meets your requirement 2 Perform Automatic Measurement The oscilloscope can measure most displayed signals automatically Complete the following operations for the measurement of frequency cycle and mean and peak to peak value 1 Press the MEASURE button to show the automatic measurement function menu 2 Press the F1 menu selection button and choose Source with the Source menu displayed 3 Press the F2 F3 F4 and F5 menu selection buttons and choose CH1 4 Press the F1 menu selection button again and choose Type with the Type menu displayed Press the F2 menu selection button and choose Freq Press the F3 menu selection but
19. proper wave form display see Fig 71 Ll Th n 1 rat m min and M T um 1 M Pos 0 000ns TRIG MODE Fig 71 Wave Form Obtained from Video Field Trigger Video Field Trigger for PDS7062T PDS7102T For the trigger in the video field carry out operations according to the following Steps l Z 3 4 5 6 Press the TRIG MENU button to display the trigger menu Press the F1 menu selection button and choose Single for type Press the F2 menu selection button and choose CHI for Source Press the F3 menu selection button and choose Video for Type Press the F4 menu selection button and choose Field for Sync Adjust the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper wave form display see Fig 72 81 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 72 Wave Form Obtained from Video Field Trigger 82 User s Manual of OWON Colour Digital Storage Oscilloscope Troubleshooting 1 In the case of that the oscilloscope is still in the black screen state without any display after the power is switch on perform the following Basic Troubleshooting hints procedure Check whether the power connection 1s connected properly Check whether the power switch 1s pushed down to the designated position Restart the instrument after be completed the checks above If this product still can not work normally please get in touch with Lilliput and we will be under your service 2 After acquiring the signal
20. 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 Rise Time Time that the leading edge of the first pulse 1n 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 63 User s Manual of OWON Colour Digital Storage Oscilloscope Delay 1 24 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 Measure Four automatic measured values can be shown one time at maximum for the wave form of each channel Only if the wave form channel is in the ON state can the measurement be carried out No automatic measurement can be made for the saved or the mathematically manipulated wave form or in the XY or Scan format Measure the frequency the peak to peak value of the Channel CH1 an
21. 7 and Fig 8 Overcompensated Compensated correctly Under compensated Fig 7 Displayed Waveforms of the Probe Compensation 3 Repeat the steps mentioned if necessary l SN l AR zt ey p d fF Fig 8 Adjust Probe User s Manual of OWON Colour Digital Storage Oscilloscope To set the Probe Attenuation Coefficient The probe has several attenuation coefficients which will influence the vertical scale factor of the oscilloscope If it 1s required to change check the set value of the probe attenuation coefficient press the function menu button of the channels used then push down the selection button corresponding to the probe till the correct set value is shown This setting will be valid all the time before it 1s changed again A Note The attenuation coefficient of the probe in the menu is preset to 10X when the oscilloscope is delivered from the factory Make sure that the set value of the attenuation switch in the probe is the same as the menu selection of the probe in the oscilloscope The set values of the probe switch are 1 X and 10X see Fig 9 Fig 9 Attenuation Switch A 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 whole bandwidth of the oscilloscope the switch must be set to 10X User s Manual of OWON Colour Digital Storage Oscilloscope To use the Probe Safely The safety guard ring around the probe body p
22. AC Trig d M Pos 0 000ns OWON ci CH1 SETUP l Hee ee EUH Channel ERRON Probe 1 X Inverted bs us weld wee Due nus welts pod aaa races whee don ir don ui io CHI Z 00u CH2 50 0mu MM 200us CHI 2 480 Fig 18 Wave Form not Inverted OWON Ma d M Pos 0 000ns CH1 SETUP J T NEL i mT zn r Xx E EE T HS EROR r T T TT t EE ES EN T ERE QE NE POUPEE Se yati gau T pasc paus gius 1 LX T ewu mios atan aada ae ON Probe 1X o CH1 2 00u CHZ 50 0mu AE NEM MENO M 200us s CH1 2 48u Fig 19 Wave Form Inverted 29 User s Manual of OWON Colour Digital Storage Oscilloscope Perform Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the additive and subtraction operations between Channel 1 and Channel 2 and the FFT operation of CHI or CH2 Taking the additive operation between Channel and Channels 2 for example the operation steps are as follows 1 Press the MATH MENU button and call out the WAVE MATH menu 2 Press the F3 menu selection button and choose CH1 CH2 The green calculated wave form M is displayed in the screen press the F3 menu selection button again the wave form M 1s closed off see Fig 20 OWON H Pos 0 000ns WAVE MATH CH1 80 0nu Fig 20 Wave Form resulted from CH1 CH2 Mathematical Manipulation The corresponding FCL Functional Capabilities List of the
23. Press the F2 menu selection button and choose CHI as the sorce Press the F3 menu selection button and choose Edge as the trigger type Press the F4 menu selection button and choose Rising as the slope Press the F5 menu selection button to next menu Press the F2 menu selection button and choose Single as the trigger mode Rotate the LEVEL knob and adjust the trigger level to the mid value of the signal to be measured If the Trigger State Indicator at the top of the screen does not indicate Ready push down the RUN STOP button and start Acquire waiting the emergence of the signal 1n conformity with the trigger conditions If a signal reaches to the set trigger level one sampling will be made and then displayed in the screen With this function any random occurrence can be captured easily Taking the burst burr of larger amplitude for example set the trigger level to the value just greater than the normal signal level and then press the RUN STOP button and wait When there is a burr occurring the instrument will trigger automatically and record the wave form 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 67 76 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 67
24. Push down of RUN STOP Check whether Normal or Signal 1s chosen for Polarity in the TRIG MODE menu and the trigger level exceeds the wave form range If it is make the trigger level is centered in the screen or set the trigger mode as Auto In addition with the AUTOSET button pressed the setting above can be completed automatically 6 After the AVERAGE value sampling is set in the ACQU MODE or a longer duration is set in the DISP MODE the display rate is slowed down It is a normal phenomenon 83 User s Manual of OWON Colour Digital Storage Oscilloscope Appendix A Technical Specifications Unless otherwise specified the technical specifications applied are applicable to the probe with the attenuation switch setting 10X and the PDS 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 Ifthe change range of the operating temperature is up to or exceeds 5 C open the system function menu and execute the Self calibration procedure All specification standards can be fulfilled except one s marked with the word Typical Characteristic 25MHz PDS50225 Bandwidth 40MHz PDS6042S e 60MHz PDS6062S PDS6062T PDS7062T e 00MHz PDS7102T Channel 2 External Normal Peak detect Aver
25. System State will be displayed in the screen Press any other function button and exit from the SYS STAT menu see Fig 56 HORIZONTAL SYSTEM STATUS TIME BASE MAIN TIME BASE MAIN SCALE 300us WINDOW SCALE 25 us MAIN POSITION 0 000ns WINDOW POSITION Os DISPLAY FORMAT YT ACQUIRE MODE SAMPLE Fig 56 Horizontal System State To perform the Automatic Measurement With the Measure button pressed down an automatic measurement can be performed There are 20 types of measurements and 4 measurement results can be displayed simultaneously The 20 types automatic measurements include frequency cycle average value peak to peak value root mean square value Vmax Vmin Vtop Vbase Vamp Overshoot Preshoot RiseTime Fall Time Width Width Duty Duty DelayA B and DelayA Bt 62 User s Manual of OWON Colour Digital Storage Oscilloscope Press the F1 menu selection button to choose Source or Type menu You can choose the channel to be measured from the Source menu and choose the measurement Type Freq Cycle Mean PK PK RMS and None The menu is displayed as Fig 57 Fig 57 Measure Menu Term interpretation 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
26. The display in the screen is as Fig 36 46 User s Manual of OWON Colour Digital Storage Oscilloscope i M Pos 0 000ns _ TRIG MODE U Type Single CH1 Type Edge Slope eee ee eee Falling a NM NM 1 2 CH1 10u CHZ 10w H 500us PETERT CH1 2 40 divs 24 00v Fig 36 Wave Form Triggered on the Rising Edge Video Trigger The operation menu of Video Trigger is shown as Fig 37 TRIG MODE TRIG MODE Single 2 2 Source Modulation CH1 Type Video 100ns Sync HoldOff Line Reset Y 172 Fig 37 Video Trigger Menu The description of the Video Trigger menu is shown the following table 47 i User s Manual of OWON Colour Digital Storage Oscilloscope Function Settin Description Set Channel 1 as the trigger signal of the source set Channel 2 as the trigger signal of the source S set the external input channel as the trigger signal of the source Divide the external trigger source by 5 and expand the external trigger level range set vertical channel trigger type for video trigger Line set a trigger level synchronization in the video line Field set a trigger level synchronization in the video field Odd field Set synchronous trigger in the video odd field Even field Set synchronous trigger in video even field Designed Line Set synchronous trigger in designer line Modulation NTSC set synchronization and account choose video PAL SECAM standard Hold
27. WON Colour Digital Storage Oscilloscope Only show one or two periods Show Multi period waveforms If you want to measure the two channel signal you can do as the follows 1 Press Autoscale the function menu will appear on the right of the screen 2 Press F1 and choose ON 3 Press F2 and choose Horizontal Vertical for Mode item 4 Press F3 and choose AA for Wave item Then the wave is displayed in the screen showon as Fig 62 HORI VERT Fig 62 Autoscale Horizontal Vertical multi period waveforms 69 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 63 Autoscale Horizontal Vertical mono period waveform Note 1 Entering into Autoscale function and 8 flicker will be on the top left corner flicker every 0 5 second 2 At the mode of Autoscale the oscilloscope can self estimate Trigger Type Edge Video and Alternate and Mode Edge Video If now you press Trigger mode or Type the forbidden information will display on the screen 3 At the mode of XY and STOP status pressing AUTO SET to enter into Autoscale DSO switches to Y T mode and AUTO status 4 At the mode of Autoscale DSO is always in the state of DC coupling and AUTO triggering In this case the forbidden information will be showing when making Triggering or Coupling settings 5 Atthe mode of Autoscale if adjust the vertical position voltage division trigger level or time scale of CH1 or CH2 the oscillo
28. aging e 100MS s PDS5022S sample rate 250MS s real time PDS6042S PDS6062S PDS6062T 500MS s PDS7062T PDS7102T Input coupling DC AC Ground e IMQ 2 in parallel with20pF 5pF PDS50225 PDS6042S PDS6062S PDS6062T IMQ 2 in parallel with 15pF 5pF Input PDS7062T PDS7102T Acquisition Input impedance Probe attenuation 1X 10X 100X 1000X factor Max input voltage 300V PK PK DC AC PK PK e 1 0S s 100MS s PDS50228 Horizontal 10S s 250MS s Syste Sampling rate PDS6042S PDS6062S PDS6062T O 1S s 500MS s PDS7062T PDS7102T Interpolation sin x x 84 User s Manual of OWON Colour Digital Storage Oscilloscope 5K points on each channel PDS5022S 6K points on each channel Record length PDS6042S PDS6062S PDS6062T PDS7062T PDS7102T 5ns div 100s div step by 1 2 5 5 PDS90225 Scanning speed 5ns div 100s div step by 1 2 5 S div PDS6042S PDS6062S PDS6062T PDS7062T PDS7102T Sampling rate relay 100ppm time accuracy Single 1 interval time 100ppm X Interval CAT reading 0 6ns accuracy DC Average gt 16 1 interval time 100ppm X 100MHz reading 0 4ns Vertical 8 bits resolution 2 Channels simultaneously system Mgr E e 10div SmV div 5V div PDS5022S e 50V 500mV 5V 2V 5mV 200mV Displacement PDS6042S PDS6062S PDS6062T PDS7062T
29. al of OWON Colour Digital Storage Oscilloscope The Edge Trigger Menu is described as below Setting Set Channel 1 as the trigger signal of the source Set Channel 2 as the trigger signal of the source Source set the external trigger channel as the trigger signal of the source Divide the External Trigger Source by 5 to expand the external trigger level range Slope Rising Set a trigger on the rising edge of the signal Falling Seta trigger on the falling edge of the signal Auto Collect the wave form even if there is not trigger condition is detected Normal Collect the wave form only when the trigger Mode RN condition is fulfilled single Collect a wave form when a trigger 1s detected and then stop sampling Block the direct current component Unblock all components Coupling Block the high frequency signal and only unblock the low frequency component Block the low frequency signal and only unblock the high frequency component PH rr 1 2 Poo oo l ra T TRI LE EL kn i 1 f HoldOff 00ns urn G LEV Ob to set time slot before 10s another trigger event Holdoff Reset hold time to 100ns Reset Holdoff A time interval before the oscilloscope responses to next trigger signal During this Holdoff period the trigger system becomes blind to grigger 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 adju
30. ample mode the data are displayed as bright spots and the sampling rate is 1MS s and can not be changed The operations of all control knobs are as follows The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel lare used to set the horizontal scale and position The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel 2 are used to set the vertical scale and position continuously The following functions can not work in the XY Format Reference or digital wave form Cursor Time base control Trigger control Operation steps l 2 Press the DISPLAY button and call out the Display Set Menu Press the F3 menu selection button and choose the form as XY The display 57 User s Manual of OWON Colour Digital Storage Oscilloscope format 1s changed to be XY mode see Fig 51 M Pos O 000nz J EN CH 24 Anu E CI Fal ol 5 Lim Lt Fig 51 XY Display Mode To Save and Recall a Waveform Press the SAVE RCL button you can save and call out the wave forms in the instrument The menu displayed in the screen is shown as Fig 52 Fig 52 Wave Form Save Menu 58 User s Manual of OWON Colour Digital Storage Oscilloscope The description of the Wave Form Save Menu is shown as the following table Setting CHI Source CH2 Choose the wave form to be saved MATH A B Choose the address in or from which the WAVE C D waveform is saved or can be get access to Save the wave form of the s
31. at are not in use Remove computer data line Do not apply input voltages above the rating of the instrument Use caution when using 1 1 test leads because the probe tip voltage will be directly transmitted to the oscilloscope Do not use exposed metal BNC or banana plug connectors Do not insert metal objects into connectors User s Manual of OWON Colour Digital Storage Oscilloscope General features of the the PDS Serial Oscilloscope Model Bandwidth sample Rate PDS50228 25MHz LOOMS s PDS60428 40M Hz 250MS s PDS6062S 60MHz 250MS s PDS6062T 60MHz 250MS s PDS7062T 60MHz 500MS Ss PDS7102T LOOMHz S500MS s Record length of 5 000 points for each channel Reading out with the cursor Twenty automatic measurement functions Autoscale function Color liquid crystal display of high resolution and high contrast Storage and recall waveforms Automatic setting function provided capable of fast setting Multiple waveform calculation function Built in FFT function Perform detecting the average and peak values of the waveform Digital real time oscilloscope Edge video and Alternating triggering function RS232 or USB communication ports Different continuous displaying time Multiple language User interface User s Manual of OWON Colour Digital Storage Oscilloscope Junior User s Guidebook This chapter deals with the following topics mainly Introduction to the front panel and the user s interface of the PDS series oscillo
32. cale factor status information of the corresponding channel will be displayed in the screen 20 User s Manual of OWON Colour Digital Storage Oscilloscope Introduction to the Horizontal System Shown as Fig 12 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 Po IT RH Fig 12 Horizontal Control Zone 1 Use the horizontal SEC DIV knob to change the horizontal time base setting and observe the consequent status information change Rotate the horizontal SEC DIV knob to change the horizontal time base and it can be found that the Horizontal Time Base display in the status bar changes accordingly The horizontal scanning speed steps from 5ns up to 100s according to the stepping mode of 1 2 5 5 PD550225 1 2 5 PDS60425 PDS60625 PDS6062T PDS7062T PDS7102T 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 15 applied to triggering the displacement it can be observed that the wave form moves horizontally with the knob when you rotate the Horizontal Position knob 3 With the HORIZONTAL MENU button pushed down you can set and initiate the Window Expansion 21 User s Manual of OWON Colour Digi
33. cccscccssssssssccssscssssscsess 79 Exaniple 6 Video Sienal Er 80 Troubleshootllig sies dae PERRO EYE EO vetet i NP DNUS 83 Appendix A Technical Specifications ii Racer 84 Appendix B Package Contents diia 89 Appendix C Maintenance Cleaning and Repairing eee eee ee ee eee eee ee eene 99 Appendix D Battery Using Guide ccce ee ee eee Leere eee eene eee eene eene 90 User s Manual of OWON Colour Digital Storage Oscilloscope General Safety Information 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 perform the maintenance Prevent the Fire or Bodily Injury 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 1s connected to the power lead please do not connect and disconnect the probe or testing wire freely Ground This product 1s 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
34. d the mean the RMS of the Channel CH2 according the following steps 1 Press the F1 menu selection button and choose Source Press the F2 menu selection button and choose CH1 Press the F3 menu selection button and choose CH1 Press the F4 menu selection button and choose CH2 Press the F5 menu selection button and choose CH2 2 3 4 5 6 Press the F1 menu selection button and choose Type 7 Press the F2 menu selection button and choose Freq 8 Press the F3 menu selection button and choose Pk Pk 9 Press the F4 menu selection button and choose Mean 10 Press the F5 menu selection button and choose Cyc RMS The measured value will be displayed in the reading window automatically see Fig 58 64 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 58 Automatic Measurement To perform the Cursor Measurement Press the CURSOR button to display the cursor measurement function menu CURS MEAS in the screen which includes Voltage Measurement and Time Measurement shown as Fig 59 65 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 59 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table Setting OFF Switch off the cursor measurement Voltage Display the voltage measurement cursor and menu Time Show time measures the cursor and menu Source CH1 CH2 Choose the channel generating the wave form to which the cursor measurement will be app
35. d the warranty period of accessories such as probe battery adapter 1s one year This warranty only applies to the original purchaser and is not transferable to the third party If the product proves defective during the warranty period Lilliput either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product Parts modules and replacement products used by Lilliput for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of Lilliput In order to obtain service under this warranty Customer must notify Lilliput of the defect before the expiration of the warranty period Customer shall be responsible for packaging and shipping the defective product to the service center designated by Lilliput and with a copy of customer proof of purchase This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Lilliput shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Lilliput representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Lilliput supplies or d to service a product that has been modified or integra
36. d to replace the battery unit But when it 1s required to replace it only qualified personnel can carry out this operation and only use the same specification lithium battery 90
37. e Fig 14 Fig 14 Channel Setting Menu User s Manual of OWON Colour Digital Storage Oscilloscope The description of the Channel Menu is shown as the following list following form Function Menu Setting Description AC Block the DC component in the input signal Coupling DC Unblock the AC and DC components in the input signal Ground Input signal is interrupted OFF Close the measurement channel Channel ON Open the measuring channel 1X Choose one according to the probe attenuation factor to make the vertical scale reading accurate aria OFF The wave form is displayed normally ON Initiate the wave form inverted function 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 F1 menu selection button and select the Coupling item as AC to set the channel coupling as ac mode under which the direct current component in the signal will be blocked Then press the F1 menu selection button again and select the Coupling item as DC setting the channel coupling as DC mode under which both dc and ac components in the signal will be unblocked The waveforms are shown as Fig 15 and Fig 16 25 User s Manual of OWON Colour Digital Storage Oscilloscope OWON X ciy
38. ear see Fig 69 78 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 69 Wave Form of the Noise Removed Signal Example 5 Application of X Y Function Examine the Phase Difference between Signals of two Channels Example Test the phase change of the signal after it passes through a circuit network Connect the oscilloscope with the circuit and monitor the input and output signals of the circuit For the examination of the input and output of the circuit in the form of X Y coordinate graph please operate according to the following steps l Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X Connect the probe of 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 1n the screen Adjust the VOLTS DIV knob making the amplitudes of two signals equal in the rough Push down the DISPLAY button and recall the DISP SET menu Press the F3 menu selection button and choose XY for Format The oscilloscope will display the input and terminal characteristics of the network in the Lissajou s graph form 79 User s Manual of OWON Colour Digital Storage Oscilloscope 8 Adjust the VOLTS DIV and VERTICAL POSITION knobs optimizing the wave form 9 With the elliptical oscillogram method adopted observe and calculate
39. easurement Carry out the following operation steps for the time cursor measurement of the channel CH1 l Press CURSOR and recall the CURS MEAS menu 2 Press the F1 menu selection button and choose Time for Type with two purple dotted lines displayed along the vertical direction of the screen which indicating Cursor 1 and Cursor 2 3 Press the F2 menu selection button and choose CH1 for Source 4 Adjust the positions of CURSORI and CURSOR2 according to the measured wave form with the cycle and frequency of Cursorl and Cursor 2 displayed in the increment window The current position of Cursorl is displayed in the 67 User s Manual of OWON Colour Digital Storage Oscilloscope Cursor window and that of Cursor2 is displayed in the Cursor2 window see Fig 61 Fig 61 Wave Form of Cursor Measurement To use Autoscale The function 1s applied to follow up signals automatically even 1f 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 The menu is as follows OF Turn off Autoscale Autoscale ON Turn on Autoscale Vertical Follow up and adjust vertical scale without changing horizontal setting Horizontal Follow up and adjust horizontal scale without Mode changing vertical setting FOSSE Follow up and adjust the vertical and horizontal settings 68 User s Manual of O
40. he information shows the zero point positions of CH1 or CH2 channel 20 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 21 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 1s not opened 22 The positions of two purple dotted line cursors measurements User s Manual of OWON Colour Digital Storage Oscilloscope Check the Package Contents After you get a new PDS series oscilloscope it is recommended that you should make a check on the instrument according to the following steps 1 Check whether there is any damage caused by transportation If it is found that the packaging carton or the foamed plastic protection cushion has suffered serious damage do not throw it away first till the complete device and its accessories succeed in the electrical and mechanical property tests 2 Check the Accessories The supplied accessories have been already described in the Appendix B Accessories of this Manual You can check whether there is any loss of accessories with reference to this description If it is found that there is any accessory lost or damaged please get in touch with the distributor of LILLIPUT responsible for this service or the LILLIPUT s local offices 3 Check the Co
41. igger signal of the source Set Channel 2 as the trigger signal of the source Source Set the external input channel as the trigger signal of the source Divide the external trigger source by 5 and expand 43 User s Manual of OWON Colour Digital Storage Oscilloscope fheextemaltrigger level range Line Set a trigger level synchronization in the video line Field set a trigger level synchronization in the video field Sync Odd field Set synchronous trigger in the video odd field Even field Set synchronous trigger in video even field Designed Line Set synchronous trigger in designer line idun NTSC Set synchronization and account choose video PAL SECAM standard PF 1 0 0 Adjust TRIG LEVEL key t t ti lot bef HoldOff 100ns 10s djust G LEV ey to set time slot before another trigger event ee ae Reset hold time to 100ns Reset The operation steps for setting Channel 1 in Video Trigger Mode are as below 1 Press the TRIG MENU button and get access to the trigger menu 2 Press the F1 menu selection button and choose Video for Type 3 Press the F2 menu selection button and choose CH1 for Source 4 Press the F3 menu selection button and choose Field for Sync The screen display 1s shown as Fig 34 Fd ail 5 0 LP ie Tt Pua Pal J um A Mia e LM EI ry ih E La Ln E H His J m CH1 All Fig 34 Wave Form Triggered in the Video Field 44 User s Manual of OWON Colour D
42. igital Storage Oscilloscope The trigger control of PDS7062T PDS7102T There are two trigger modes alternate trigger and single trigger Single trigger Use a trigger level to capture stable waveforms in two channels simultaneously Alternate trigger Trigger nsynchronous signals steadily The two channels could acquire the waveforms when the CH1 and CH2 are inputting two different frequency signals Single trigger single trigger mode have edge trigger and video trigger you can see different trigger type for two vertical channels in this menu Edge Trigger It happens when the trigger input passes through a given level along the set direction Video Trigger Carry out the field or line video trigger of the standard video signal The Edge and Video Trigger menus are described respectively as below Edge Trigger Under the Edge Trigger mode a trigger happens in the trigger threshold value of the input signal edge When the Edge Trigger is selected a trigger will occur in the rising or falling edge of the input signal The Edge Trigger Menu is shown as Fig 35 Fig 35 Edge Trigger Menu 45 User s Manual of OWON Colour Digital Storage Oscilloscope single trigger mode of the Edge Trigger Menu is described as below Setting set Channel 1 as the trigger signal of the source set Channel 2 as the trigger signal of the source set the external trigger channel as the trigger signal of the source Divide the External Trigger
43. indow Setting Press the F2 menu selection button and choose Set Window The screen will show a window area defined by two cursors In this case the HORIZONTAL POSITION and SEC DIV knobs can be used to adjust the horizontal position and size of this window area see Fig 28 OWON rio d M Pos 0 000ns WO 000ns TIME MODE Main TimeBase En fone Window CH1 10u CH2 50 0mu 1 SITES W 20 us 7 CHI 400mu Fig 28 Set Window 38 User s Manual of OWON Colour Digital Storage Oscilloscope Zoom in Press the F3 menu selection button and choose Zone Window As a result the window area defined by two cursors will be expanded to the full screen size see Fig 29 Fig 29 Zone Window To set the Trigger System When the oscilloscope begins to collect the data and display the wave form depends on a trigger Once it 1s set correctly the trigger can transfer the unstable display into a meaningful wave form When beginning to collect data the oscilloscope will collect adequate data to draw the wave form at the left side of the trigger point at first It will continuously perform the data acquisition while waiting for the trigger condition After a trigger is detected the oscilloscope will continuously collect data enough to draw the wave form at the right side of the trigger point One knob and four function menu buttons are included in the trigger control zone TRIG LEVEL Trigger the level control knob and set the signal vol
44. lied Delta Read the difference between cursors Read the position of Cursor 1 the Time is read Cursor 1 with reference to the horizontal trigger position and the Voltage 1s to the ground point Read the position of Cursor 1 the Time 1s read Cursor 2 with reference to the horizontal trigger position and the Voltage 1s to the ground point Cursor Measurement When carrying out the cursor measurement the position of Cursor 1 can be adjusted with the CURSOR1 VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the CURSOR2 VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the voltage cursor measurement of the 66 User s Manual of OWON Colour Digital Storage Oscilloscope channel CH1 l 23 Press CURSOR and recall the Curs Meas menu Press the F1 menu selection button to choose Voltage for Type with two purple dotted lines displayed along the horizontal direction of the screen which indicating CURSORI and CURSOR2 Press the F2 menu selection button and choose CH1 for Source Adjust the positions of CURSORI and CURSOR2 according to the measured wave form with the absolute value of the voltage amplitude difference between Cursor and Cursor 2 displayed in the increment window The current position of Cursorl is displayed in the Cursorl window and that of Cursor2 is displayed in the Cursor2 window see Fig 60 Fig 60 Wave Form of Voltage Cursor M
45. ls and it can use to observe two irrelevant signals You can see different trigger type for two vertical channels in this menu You can set edge or video 49 User s Manual of OWON Colour Digital Storage Oscilloscope Two trigger vertical point display on the screen when set for alternate trigger red CH 1 yellow CH2 Alternate trigger menu display is shown as Fig40 Fig41 Fig40 Alternate edge trigger menu Fig41 Alternate video trigger menu The set and edge trigger are the same when trigger type for edge The set and video trigger are the same when trigger type for video CHI measurement 10K Hz sine wave CH2 measurement a video signal Alternate trigger set steps are as follows 1 Press the TRIG MENU button and call out the trigger menu Press the F1 menu selection button and select Alternate for Type Press the F2 menu selection button and select source for CH1 Press the F3 menu selection button and choose Edge for Type Press the F4 menu selection button and choose Rising for Slope Press the F5 menu selection button and choose next menu Press the F2 menu selection button and choose DC for Coupling Do AN QN a A W N Press the F3 menu selection button and display 0 5div of Sensitivity CHI trigger complete set 9 Press the F4 menu button to select Holdoff use trig level knob to ajust Holdoff 10 Press the F1 menu selection button and return to the first level menu 11 Press F2 menu selection b
46. luggish is adjustable among 0 2div 1 0div It means when set on 1 0 div trigger circuit don t have any response to any signal of PK PK range lt 1 0div which to exclude the influences from signal noise Holdoff A time interval before the oscilloscope responses to next trigger signal During 5 User s Manual of OWON Colour Digital Storage Oscilloscope this Holdoff period the trigger system becomes blind to grigger 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 To operate the Function Menu The function menu control zone includes 6 function menu buttons and 3 immediate execution buttons SAVE RCL MEASURE ACQUIRE UTILITY CURSOR DISPLAY AUTOSCALE AUTOSET and RUN STOP To perform Sampling Setup Press the ACQUIRE button and the menu is displayed in the screen shown as Fig 43 Fig 43 ACQU MODE Menu The description of the Sampling Setup Menu is shown as follows Setting General sampling mode It is used for the detection of the jamming burr Peak Detect i f and the possibility of reducing the confusion It is used to reduce the random and don t care noises with the optional number of averages 4 16 64 128 Choose the number of averages Average 52 User s Manual of OWON Colour Digital Storage Oscilloscope Change the ACQU Mode settings and observe the consequent variation of the wa
47. mplete Instrument If it is found that there is damage to the appearance of the instrument or the instrument can not work normally or fails 1n the performance test please get in touch with the LILLIPUT s distributor responsible for this business or the LILLIPUT s local offices If there is damage to the instrument caused by the transportation please keep the package With the transportation department or the LILLIPUT s distributor responsible for this business informed about it a repairing or replacement of the instrument will be arranged by the LILLIPUT User s Manual of OWON Colour Digital Storage Oscilloscope To perform the Function Inspection Make a fast function check to verify the normal operation of the instrument according to the following steps 1 Connect the Instrument to the Power and Push down the Power Switch Button The instrument carries out all self check items and shows the prompt Press any Key Enter the Operating Mode Press the UTILITY button to get access to the FUNCTION menu and push down F2 the menu selection button to call out the function Recall Factory The default attenuation coefficient set value of the probe in the menu is 10X shown as Fig 4 Press any key enter system Fig 4 Power on the Instrument 2 Set the Switch in the Oscilloscope Probe as 10X and Connect the Oscilloscope with CH1 Channel Align the slot in the probe with the plug in the CH1 connector BNC and then tighten the
48. nter This reading shows the time deviation between the horizontal trigger position and the window centre line which is regarded as 0 1n the window center It indicates the current function menu It indicates the operation options for the current function menu which changes 11 User s Manual of OWON Colour Digital Storage Oscilloscope with the function menus 8 The purple pointer shows the trigger level position 9 The reading shows the trigger level value 10 The reading shows the trigger source 11 It shows the selected trigger type Rising edge triggering Li Falling edge triggering al Video line synchronous triggering wE3 Video field synchronous triggering 12 The reading shows the window time base set value 13 The reading shows the main time base set value 14 The two yellow dotted lines indicate the size of the viewing expanded window 15 The icon shows the coupling mode of the CH2 channel indicates the direct current coupling ee indicates the AC coupling indicates GND coupling 16 The reading shows the vertical scale factor the Voltage Division of the CH2 channel 17 The icon indicates the coupling mode of the CH1 channel on The icon indicates the direct current coupling The icon indicates the AC coupling The icon indicates GND coupling 18 The reading indicates the vertical scale factor the Voltage Division of the CHI channel 19 T
49. nu selection button and choose Single as the trigger mode Press the F3 menu selection button and choose Rising as the slope Rotate the LEVEL knob and adjust the trigger level to the mid value of the signal to be measured If the Trigger State Indicator at the top of the screen does not indicate Ready push down the RUN STOP button and start Acquire waiting the emergence of the signal in conformity with the trigger conditions If a signal reaches to the set trigger level one sampling will be made and then displayed in the screen With this function any random occurrence can be captured easily Taking the burst burr of larger amplitude for example set the trigger level to the value just greater than the normal signal level and then press the RUN STOP button and wait When there is a burr occurring the instrument will trigger automatically and record the wave form 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 66 75 User s Manual of OWON Colour Digital Storage Oscilloscope OWON M Pos 0 000ns TRIG MODE Fig 66 Capture the Single Signal PDS7062T PDS7102T 6 d 8 9 10 IT 12 13 Press the F1 menu selection button and choose Single as the trigger type
50. nual of OWON Colour Digital Storage Oscilloscope Safety Notice The following notice may appear on the products LN Warning A warning statement indicates the conditions and actions which may endanger the life safety damage to this product or other property Note A note statement indicates the conditions and actions which may cause 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 The following symbol may appear on the products A Aou High Voltage Please Consult the Manual Protective Ground End Earth Chassis Ground Earth Ground User s Manual of OWON Colour Digital Storage Oscilloscope To avoid body damage and prevent product and connected equipment damage This product can only be used in the specified applications Carefully read the following safety information before using the test tool LN Warning When use BC battery charge as power supply to avoid fire or electrical shock if a test tool input is connected to more 42V peak 30Vrms or on circuits of more than 4800 VA Only use accessory insulated voltage probes test lead Before use inspect oscilloscope probes accessories for mechanical damage and replace when damage Remove all probes test leads and accessories th
51. o warm up for at least 30 minutes before performing self calibration You should perform self calibration according to the following recommendations Every 12 months or after 2000 hours of operation e If the ambient temperature is gt 10 C from the calibration temperature If you want to maximize the measurement accuracy After experiencing abnormal operation To verify proper operation after repairing 88 User s Manual of OWON Colour Digital Storage Oscilloscope Appendix B Package Contents Standard Accessories Passive probe x 2 CD x 1 PC link application software e RS232 data line or USB data line x 1 Powerline x 1 up to the standards of the country in which it 1s used O User Manual x 1 Options O Battery Appendix C 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 what shown as 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
52. occurs when the frequency sampled is higher than Nyquist frequency False Wave phenomenon will appear So pay more attention to the relation between the frequency being sampled and measured NOTE In FFT mode the following settings are prohibited 35 User s Manual of OWON Colour Digital Storage Oscilloscope 1 Window set 2 change source channel in CH1 Setup or CH2 Setup menu 3 XY Format in DISPLAY SET 4 SET 50 the triggering level at the vertical point of signal amplitude in Trigger setting 5 Autoscale Application of VERTICAL POSITION and VOLTS DIV Knobs 1 The VERTIVAL POSITION knob is used to adjust the vertical positions of the wave forms of all Channels including those resulted from the mathematical operation The analytic resolution of this control knob changes with the vertical division 2 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 is rotated anticlockwise 3 When the vertical position of the channel wave form is adjusted the screen shows the information concerning the vertical position at the lower left corner see Fig 25 Fig 25 Information about Vertical Position 36 User s Man
53. off 100ns 10s Turn AO LEVEL knob to set time slot before another trigger event EDS MIN Reset hold time to 100ns Reset The operation steps for setting Channel 1 in Video Trigger Mode are as below Video Type Sync 1 Press the TRIG MENU button and call out the trigger menu Press the F1 menu selection button and choose single for Type 2 3 Press the F2 menu selection button and choose CH2 for Source 4 Press the F3 menu selection button and choose Video for Type 5 Press the F4 menu selection button and choose Field for Sync The screen display 1s shown as Fig 38 6 Press the F2 menu selection button and choose CH1 for Source 7 Press the F4 menu selection button again and choose Line for Slope The screen display is shown as Fig 39 48 User s Manual of OWON Colour Digital Storage Oscilloscope Type E E RUM E M UK TR HET P E Single cR E E 1 1 10 E m Source a added ci Type E PA DL eben f Video nm m m m Te EAE Sync TT TT rielq CH1 1u CH2 5u ES CHZ All Fig 38 Wave Form Triggered in the Video Field OWON CD n Pos 0 000ns TRIG MODE Type E sans E E E E S E coal A Single Xue uuum Dens A ce coc E A E on Type Video m e E E Jl qu c Sync TF CHI 10u CH2 10u M 50 u uw CH1 ALL Fig 39 Wave Form Triggered in the Video Line Alternate trigger During alternate trigger the trigger signal mainly come from two vertical channe
54. ource in the Save selected address OFF Switch on or off the display of the stored CHA ON waveform Save and recall the wave form The PDS series oscilloscope can store four wave forms which can be displayed with the current wave form at the same time The stored wave form called out can not be adjusted In order to save the wave form of the channel CH1 into the address A the operation steps should be followed l ae Io iM Press the F1 menu selection button and choose CH1 for Source Press the F2 menu selection button and choose A for Wave Press the F3 menu selection button and save the wave form Press the F4 menu selection button and choose ON for CHA The stored wave form A will be displayed in the screen The voltage level and time base level will also be shown at the upper left corner of the display area at the same time see Fig 53 59 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 53 Wave Saving To perform the Auxiliary System Function Setting Press the UNTILITY button and the menu is displayed in the screen as Fig 54 Fig 54 Function Menu User s Manual of OWON Colour Digital Storage Oscilloscope The description of the Auxiliary Function Menu is shown as the following table Setting System Status Display the system function menu Recall Factory EE Call out the factory settings Do Self Cal EE Carry out the self calibration procedure Rancuaee Chinese Choose the dis
55. play language of the English operating system Perform 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 5C the self calibration procedure should be executed to obtain the highest level of accuracy Before executing the self calibration procedure disconnect the probe or wire and the input connector Then press the F3 menu selection button and choose Perform Self Calibration After confirming it is all set push down F3 button and choose Perform Self Calibration entering the self calibration procedure of the instrument SYS STAT System State Press the F1 menu selection button and choose SYS STAT item The menu pops up in the screen as Fig 55 Fig 55 SYS STAT Menu 61 User s Manual of OWON Colour Digital Storage Oscilloscope The SYS STAT menu is described as the following table Setting Horizontal Show the horizontal parameter of the channel Vertical f si Show the vertical parameter of the channel Trigger Show the parameters of the trigger system Mic Show the serial number and edition number After entering into the SYS STAT menu choose the corresponding function with the corresponding parameters shown in the screen If press the F1 menu selection button and choose the function item Horizontal the Horizontal
56. probe with rotating it to the right side Connect the probe tip and the ground clamp to the connector of the probe compensator shown as Fig 5 User s Manual of OWON Colour Digital Storage Oscilloscope Probe comp CHI Fig 5 Connection of the Probe 3 Press the AUTO SET Button The square wave of 1 KHz frequency and 5V peak peak value will be displayed in several seconds see Fig 6 OWON Fig 6 Auto set Check CH2 by repeating Step 2 and Step 3 User s Manual of OWON Colour Digital Storage Oscilloscope To perform 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 1 Set the attenuation coefficient of the probe in the menu as 10X and that of the switch in the probe as 10X and connect the oscilloscope probe with the CHI channel If a probe hook tip is used ensure that it keeps 1n 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 see Fig 5 2 Check the displayed waveforms and regulate the probe till a correct compensation is achieved see Fig
57. rotects your finger against the electric shock shown as Fig 10 Fig 10 Finger Guard LN 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 User s Manual of OWON Colour Digital Storage Oscilloscope To perform Self calibration The self calibration application can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement value You can carry out this application program at any time but when the range of variation of the ambient temperature is up to or over 5 C this program must be executed For the performing of the self calibration all probes or wires should be disconnected with the input connector first Then press the UTILITY button to call out the FUNCTION menu push down the F3 menu selection button to choose the option Perform Self Calibration finally run the program after confirming that everything is ready now User s Manual of OWON Colour Digital Storage Oscilloscope Introduction to the Vertical System Shown as Fig ll there are a series of buttons and knobs in VERTICAL
58. scope To perform the general inspection To perform the function inspection To perform the probe compensation To set the probe attenuation coefficient To use the probe safely To perform an self calibration Introduction to the vertical system Introduction to the horizontal system Introduction to the trigger system User s Manual of OWON Colour Digital Storage Oscilloscope Introduction to the Front Panel and the User s Interface of the PDS series Oscilloscope When you get a new type oscilloscope you should get acquainted with its front panel at first and the PDS series digital storage oscilloscope 1s no exception This chapter makes a simple description of the operation and function of the front panel of the PDS series oscilloscope enabling you to be familiar with the use of the PDS series oscilloscope in the shortest time The PDS 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 in the column on the right side of the display screen are menu selection buttons defined as F1 to F5 from top to bottom respectively through which you can set the different options for the current menu The other pushbuttons are function buttons through which you can enter different function menus or obtain a specific function application directly
59. scope will turn off Autoscale function and if press AUTOSET again the oscilloscope will enter into Autoscale 6 Turn off the submenu at the Autoscale menu the Autoscale 1s off and turn on the submenu still enters into the function 7 When video triggering the horizontal time scale 1s 50us If one channel 1s 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 will siwtch to Peak detection menu while in the state of Average sampling mode 70 User s Manual of OWON Colour Digital Storage Oscilloscope To use Executive Buttons The executive buttons include AUTOSET RUN STOP AUTOSET This button 1s used for the automatic setting of all control values of the instrument to generate the wave form 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 NEO Coupling RUN STOP Enable or disable the waveform sampling Notice Under the Stop state the vertical division and the horizontal time base of the wave form 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
60. sients or bursts where the signal level before and after the event are nearly equal Also use this window for equal amplitude sine waves with frequencies that are very close and for broadband random noise with a relatively slow varying spectrum This is a very good window for resolving frequencies that are very close to the same value with somewhat improved amplitude accuracy over the rectangle window It has a slightly better frequency resolution than the Hanning Use Hamming for measuring sine periodic and narrow band random noise This window works on transients or bursts where the signal levels before and after the event are significantly different 32 User s Manual of OWON Colour Digital Storage Oscilloscope This is a very good window for measuring amplitude accuracy but less so for resolving frequencies Hanning Use Hanning for measuring sine periodic and narrow band random noise This window works on transients or bursts where the signal levels before and after the event are significantly different This is the best window for measuring the amplitude of frequencies but worst at resolving Blackman frequencies Use Blackman Harris for measuring predominantly single frequency waveforms to look for higher order harmonics F1g 21 22 23 24 show four kinds of window function referring to sine wave of IKHz Fig 21 Blackman window 33 User s Manual of OWON Colour Digital Storage Oscilloscope
61. so 16 To set the Probe Attenuation Coefficient eee e eere eee eee eee eee eee e ee ee tette tette ette ette 17 To use the Probe Salely 3 6 eere ee reu eoe E E Veo eie EE ERE di 18 To periorm Self ealibDration cm 19 Introduction to th Vertical System ato o Io EY eo aaa ease NE E EN E ane EE v Fe e Enna e e euE eR EE EN ERE EE EREEEEEE 20 Introduction to the Horizontal System eee eee e eere eee eee eene e eee sees sss sssss este eoe 21 Introduction to the Trigger System ccce eerte eee eee eee esee eese e esee sess assa s sete tooe 22 Advanced User s Guidebook iei casa ede ei A Xu ERU A Du OE FREE pe GR 23 To set the Vertical Sy Stein aai o reet a eive RANAS uada eed cd Eds 24 Perform Mathematical Manipulation Function eee e ecce eee eee e e eee eee eee ee eese eee ee eeee 30 sime P eid et A Iri o ratos te baile Nansen gem edet e ctos E i DESUE 3l Application of VERTICAL POSITION and VOLTS DIV Kxnobs eeee 36 To s et the Horizontal Syste s PE 37 To set the Trigger Sy Stemi yess cece A O 5 39 TIRE Control T 40 The trigger control of PDS50225 PDS60428 PDS60628 PDS6062T rennen 40 Thedunpbsercontol or POS 70621 PDSTIO2 Ei 45 User s Manual of OWON Colour Digital Storage Oscilloscope To operate the Function Menu esee
62. st Holdoff time Make such settings in Channel 1 as Rising for Slop Auto for Mode and DC for Coupling The operation steps are as follows 1 Press the TRIG MENU button and call out the trigger menu 2 Press the F1 menu selection button and select Edge for Type 3 Press the F2 menu selection button and choose CH1 for Source 4 Press the F3 menu selection button and select Rising for Slope 41 User s Manual of OWON Colour Digital Storage Oscilloscope 10 Press the F4 menu selection button and choose Auto for Mode Press the F5 menu selection button to next menu Press the F2 menu selection button and choose DC for Coupling The display in the screen is as Fig 31 Press the F3 menu button to select Holdoff use trig level knob to ajust Holdoff Press the F1 menu selection button to back to previous menu Press the F3 menu selection button and choose Falling for Slope For the screen display see Fig 32 OWON A Foe 0 0005 Fig 31 Wave Form Triggered on the Rising Edge 42 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 32 Wave Form Triggered on the Falling Edge Video Trigger After choosing Video Trigger a trigger is possible in field or line of NTSC PAL or SECAM standard video signal The operation menu of Video Trigger is shown as Fig 33 Fig 33 Video Trigger Menu The description of the Video Trigger menu is shown the following table Setting Set Channel as the tr
63. tage corresponding to the trigger point SET TO 50 Set the trigger level as the vertical mid point value of the amplitude of the trigger signal FORCE TRIG It is a force trigger button for the generation of a trigger signal 39 User s Manual of OWON Colour Digital Storage Oscilloscope which is mainly used in the Normal and Single triggering modes SET TO ZERO Trigger the resetting of the horizontal position TRIG MENU It is a trigger menu button When it is pressed an operation menu will be presented in the screen Trigger Control The trigger control of PDS5022S PDS6042S PDS6062S PDS6062T Trigger Control There are two trigger modes Edge Trigger and Video Trigger Each trigger mode uses different function menu The switching between two modes can be implemented by pressing the F1 menu selection button Edge Trigger It happens when the trigger input passes through a given level along the set direction Video Trigger Carry out the field or line video trigger of the standard video signal The Edge and Video Trigger menus are described respectively as below Edge Trigger Under the Edge Trigger mode a trigger happens in the trigger threshold value of the input signal edge When the Edge Trigger is selected a trigger will occur in the rising or falling edge of the input signal The Edge Trigger Menu is shown as Fig 30 P a n2 1 2 uM Fig 30 Edge Trigger Menu 4 User s Manu
64. tal Storage Oscilloscope Introduction to the Trigger System shown as Fig 13 there are a knob and four buttons in the TRIGGER CONTROLS The following practices will direct you to be familiar with the setting of the trigger system gradually Fig 13 Trigger Control Zone l Press the TRIG MENU button and call out the trigger menu With the operations of the 5 menu selection buttons the trigger setting can be changed 2 Usethe LEVEL knob to change the trigger level setting With the rotation of the LEVEL knob it can found that the trigger indicator in the screen will move up and down with the rotation of the knob With the movement of the trigger indicator 1t can be observed that the trigger level value displayed in the screen changes 3 Press the button SET TO 50 to set the trigger level as the vertical mid point values of the amplitude of the trigger signal 4 Press the FORCE TRIG button to force a trigger signal which 1s mainly applied to the Normal and Single trigger modes 5 The SET TO ZERO button is used to reset the trigger horizontal position 22 User s Manual of OWON Colour Digital Storage Oscilloscope Advanced User s Guidebook Up till now you have already been familiar with the initial operations of VERTICAL CONTROLS HORIZONTAL CONTROLS and TRIGGER CONTROLS and the functions of the function areas buttons and knobs in the front panel of the PDS series oscilloscope Based
65. ted with other products when the effect of such modification or integration increases the time or difficulty of servicing the product Please contact the nearest Lilliput s Sales and Service Offices for services or a complete copy of the warranty statement Excepting the after sales services provided in this summary or the applicable warranty statements Lilliput will not offer any guarantee for maintenance definitely declared or hinted including but not limited to the implied guarantee for marketability and special purpose acceptability Lilliput should not take any responsibilities for any indirect special or consequent damages User s Manual of OWON Colour Digital Storage Oscilloscope Table of Contents General SAIC Wy TINS OF MAT 4 Safety NOUCC S o RIED TERI DEAN DE EAS MM DE EE 5 SOFIA ASA 5 General features of the the PDS Serial Oscilloscope eee e eee e eere eene 7 Junior User s GuldeDO0Uk uiti e e ete p teda tei tete i ott misses ipiis 8 Introduction to the Front Panel and the User s Interface of the PDS series Oscilloscope 9 Check the Package Conteltits iesscceseicschecstssiscessccceeseccccesscstecndvetachatoccsaavecccbceusesstecssastachetesesacesseues 13 To perform the Function Inspection sssscececcocssssccecocsssssccecocossssececocecosssssecccsssssssecocesssssseeesso 14 To perform the Probe Compensation scsssssssssssccccccccoccccoososcssssssssececececsosssosssssssssseceeecessss
66. 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 To set the Vertical System To set the Horizontal System To set the Trigger System To perform the Sampling Setup To set the Display System To Save and Recall a Wave Form To perform the Auxiliary System Function Setting To perform the Automatic Measurement To perform the Cursor Measurement To use Autoscale function o 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 PDS series oscilloscope 23 User s Manual of OWON Colour Digital Storage Oscilloscope To set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1 MENU CH2 MENU and MATH MENU and four knobs such as VERTICA POSITION VOLTS DIV one group for each of the two channels Setting of CH1 and CH2 Every channel has an independent vertical menu and each item is set respectively based on the channel With the CH1 MENU or CH2 MENU menu button pushed down the system shows the operation menu of the corresponding channel se
67. the phase difference see Fig 70 The signal must be centered and kept in the horizontal direction Fig 70 Lissajous Graph Based on the expression sing A B or C D where q is the phase difference angle and the definitions of A B C and D are shown as the graph above As a result the phase difference angle can be obtained namely q arcsin A B or arcsin C D If the principal axis of the ellipse is in I and III quadrants the determined phase difference angel should be in I and IV quadrants that is in the range of 0 x 2 or 31 2 2n 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 x 2 x or a 31 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 PDS5022S PDS6042S PDS6062S PDS6062T For the trigger in the video field carry out operations according to the following steps 80 User s Manual of OWON Colour Digital Storage Oscilloscope SS der doe Press the TRIG MENU button to display the trigger menu Press the F1 menu selection button and choose Video for Type Press the F2 menu selection button and choose CH1 for Source Press the F3 menu selection button and choose Field for Sync Adjust the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a
68. ton and choose Period Press the F4 menu selection button and choose Mean Mur A nca vh Press the F5 menu selection button and choose Pk Pk Then the frequency cycle mean and peak to peak value will present in the menu and change periodically see F1g 64 12 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 64 Waveform of Automation Measurement Example 2 Gain of the Amplifier in the Metering Circuit Set the probe menu attenuation coefficient as 10X and that of the switch in the probe as 10X Connect the oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end Operation Steps l 29 eS SS oe e dw Push down the AUTOSET button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state Push down the MEASURE button to show the MEASURE menu Press the F1 menu selection button and choose Source Press the F2 menu selection button and choose CHI Press the F3 menu selection button and choose CH2 Press the F1 menu selection button again and choose Type Press the F2 menu selection button and choose Pk Pk Press the F3 menu selection button and choose Pk Pk Read the peak to peak values of Channel 1 and Channel 2 from the displayed 73 User s Manual of OWON Colour Digital Storage Oscilloscope menu see Fig 65 10 Calculate the amplifier gain with the following formulas Gain Output Signal
69. ual of OWON Colour Digital Storage Oscilloscope To set the Horizontal system The HORIZONTAL CONTROLS includes the HORIZONTAL NENU button and such knobs as HORIZONTAL POSITION and SEC DIV l HORIZONTAL POSITION knob this knob is used to adjust the horizontal positions of all channels include those obtained from the mathematical manipulation the analytic resolution of which changes with the time base 2 SEC DIV knob it is used to set the horizontal scale factor for setting the main time base or the window 3 HORIZONTAL NENU button with this button pushed down the screen shows the operating menu see Fig 26 Fig 26 Time Base Mode Menu The description of the Horizontal Menu is as follows Setting Description The setting of the horizontal main time base is Main Time Base used to display the wave form set Window DE A window area is defined by two cursors Zone Window The defined window area for display is expanded to the full screen Main Time Base Press the F1 menu selection button and choose the Main Time Base In this case the HORIZONTAL POSITION and SEC DIV knobs are used to adjust the main 37 User s Manual of OWON Colour Digital Storage Oscilloscope window The display in the screen 1s shown as Fig 27 OWON Irig 1 M Pos 0 000ns TIME MODE i DORT EET EMITE DNE CN TimeBase Window fone bed prep O O O Window CHi 10u CHZ 50 0mu CHI 400mu Fig 27 Main Time Base W
70. uency period Vmax Vmin Vtop Vbase Vamp Automatic Overshoot Preshoot Measurement RiseTime Fall Time Width Width Duty Duty and DelayA Bt Waveform Math Invert FFT Lissajou s Bandwidth Full bandwidth port General Specifications Display PDS5022S PDS6042S PDS6062T PDS7062T PDS60628 PDS7102T lor liquid tal Display p k hoe a color liquid crystal display Display Resolution Resolution 640 horizontal X 480 vertical pixels Display Color 256 colors 65536 colors TFT screen Probe compensation Output voltage typical 5V with the Peak to peak value 21M 9 Frequency typical IKHz square wave 87 User s Manual of OWON Colour Digital Storage Oscilloscope Power Supply 100 240 VACRMS 50 60Hz CAT II Environment arcu Working temperature 0 C 40 C p Storage temperature 20 C 60 C Height Operating d m Non operating 15 000 m Mechanical Specifications PDS60428S PDS7062T Model PDS5022S PDS6062T PDS60628S PDS7102T Lag Um ise ine Dimension 350mm X 157mm X 103mm Interval Period of calibration Perform self calibration to verify that your instrument is operating properly Self calibration performs an internal self alignment routine to optimize the signal path in the oscilloscope The routine uses internally generated signals to optimize circuits that affect channel sensitivity offset and trigger parameters Let the instrument t
71. utton and choose CH2 for source 50 User s Manual of OWON Colour Digital Storage Oscilloscope 12 Press F3 menu selection button and choose video for type 13 Press F4 menu selection button and choose line for sync 14 Press F5 menu selection button to next menu 15 Press F2 menu selection button and choose NTSC for modulation CH2 trigger complete set After Acquire waveform is shown as Fig 42 OWON M Pos 0 000ns CH1 0 00mu Fig 42 Alterate trigger waveform Term interpretation Trigger modes There are three kinds of trigger modes available for this oscilloscope which is auto normal and single Automatic trigger mode The oscilloscope can acquire the waveform without any triggering condition detected in this mode in which it will be triggered compulsively when waiting for a specified period of time without any triggering condition ignited When an invalid trigger 1s enforced the oscilloscope can not keep the waveform in phase Normal trigger mode In this mode the oscilloscope cannot acquire the waveform till it is triggered When there is not any trigger the oscilloscope will display the origin waveform without new waveforms captured Single shot mode In this mode the oscilloscope will detect a trigger and capture a waveform at each time when the customer presses the RUN STOP key Sensitivity Trigger circuit including sluggish in order to exclude the influences from signal noise and get the stable trigger The s
72. ve form displayed OWON OTT M Pos 280 0us ACOU MODE Sample fees I ae at ees eee eee E ee Peak Jetect Average Averages O OO PO O E 16 CHi SUbmu CH Ou n S500us CHi 1 34u Fig 44 Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise 1s heavy OWON Trig 4 M Pos 280 0us ACQU MODE Detect Averages CHi 500mu CHZ Z0u Ven eL TES CHi 1 34u Fig 45 Common ACQU Mode display in which no burr can be detected 53 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 46 The displayed wave form after the noise is removed under the Average Mode in which the average number of 16 is set To set the Display System Push down the DISPLAY button and the menu displayed in the screen is shown as Fig 47 Fig 47 Display Set Menu The description of the Display Set Menu is shown as follows 54 User s Manual of OWON Colour Digital Storage Oscilloscope Setting Vectors The space between the adjacent sampling points 1 Type the display 1s filled with the vector form Dots Only the sampling points are displayed OF Isec Persist 2sec set the persistence time for each sampling point 5sec Infinite Show the relative relation between the vertical voltage and the horizontal time Format ee E Channel 1 is displayed on the horizontal axis and Channel 2 on the vertical axis Bitmap The data transmitted in communication are in the bitmap

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