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PDS7102T User's Manual

1. CHi 2 000 CH2 50 0mu M 200us CH1 2 48v Fig 18 Wave Form not Inverted OWON Trig 2 M Pos 0 000ns CH1 SETUP T i l Coupling Channel ON Probe 1X 19 2 i Inverted 7 7 lt CH1 2 00u CHZ 50 0mu M 200us CH1 2 48u Fig 19 Wave Form Inverted 31 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 and Channel 2 Taking the additive operation between Channel 1 and Channels 2 for example the operation steps are as follows 1 Press the MATH MENU button and call out the 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 is closed off see Fig 20 OWON Trin a M Pos 0 000ns WAVE MATH A wy pac AN ene ee ee CH1 CH2 BEAL JAY AN GA CH2 CH1 A E peee O E O O E CHT chali 27M mee Y PE et A E MA Gg E PP E A E AA A CH1 2 00u CH2 2 004 M 50 us CH1 80 0mu Fig 20 Wave Form resulted from CH1 CH2 Mathematical Manipulation The corresponding FCL Functional Capabilities List of the Wave Form Calculation Setting Description CH1 CH2 Subtract the Channel 2 wave form from the Channel 1 wave form CH2 CH1 Subtract th
2. 2 At the mode of Autoscale the oscilloscope can self estimate Trigger mode Edge Video and Alternate and Type 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 YT mode and AUTO status 4 At the mode of Autoscale DSO is always in the state of DC coupling and AUTO triggering In this case the forbidden information will be showing when making Triggering or Coupling settings 5 At the mode of Autoscale if adjust the vertical position voltage division trigger level or time scale of CH1 or CH2 the oscilloscope will turn off Autoscale function and if press AUTOSET again the oscilloscope will enter into Autoscale 6 Turn off the submenu at the Autoscale menu the Autoscale is off and turn on the submenu still enters into the function 7 When video triggering the horizontal time scale is 50us If one channel is showing edge signal the other channel is showing video one the time scale refers to 50us as video one as standard 8 While the Autoscale is working below settings will be made forcibly 1 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 87
3. Fig 44 XY Display Mode 55 User s Manual of OWON Colour Digital Storage Oscilloscope 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 45 Fig 45 Wave Form Save Menu The description of the Wave Form Save Menu is shown as the following table Function Menu Setting Description Source CH1 Choose the wave form to be saved CH2 MATH WAVE A B Choose the address in or from which the C D waveform is saved or can be get access to Save Save the wave form of the source in the selected address CHA OFF Switch on or off the display of the stored ON waveform 56 User s Manual of OWON Colour Digital Storage Oscilloscope 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 1 Press the F1 menu selection button and choose CH1 for Source 2 Press the F2 menu selection button and choose A for Wave 3 Press the F3 menu selection button and save the wave form 4 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 leve
4. Format YT Carry Bitmap Battery Of f CHI 500mu CHZ 20 0nv M 500us wi CH1 All Fig 43 Infinite Persistence Display XY Format This format is only applicable to Channel 1 and Channel 2 After the XY display format is selected Channel 1 is displayed in the horizontal axis and Channel 2 in the vertical axis the oscilloscope is set in the untriggered sample mode the data are displayed as bright spots and the sampling rate is 1MS s and can not be changed The operations of all control knobs are as follows EH The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel lare used to set the horizontal scale and position MH 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 NH Reference or digital wave form E Cursor E Time base control E Trigger control 54 User s Manual of OWON Colour Digital Storage Oscilloscope Operation steps 1 Press the DISPLAY button and call out the Display Set Menu 2 Press the F3 menu selection button and choose the form as XY The display format is changed to be XY mode see Fig 44 OWON a a M Pos 0 000ns DISP SET Y Type Vectors i i Persist oe E a AM ooi mm NR 3 dede de Sorry ee ee Pst WEA ied awk Sak e ek a IDE Pe ee eee E o CHi 10v CHZ 1 00u M 500ns CH2 80 0mu
5. 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 65 User s Manual of OWON Colour Digital Storage Oscilloscope Cursor 1 and Cursor 2 3 Press the F2 menu selection button and choose CH1 for Source 4 Adjust the positions of CURSOR1 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 Cursorl window and that of Cursor2 is displayed in the Cursor2 window see Fig 54 OWON trig ad M Pos 0 000ns CURS MEAS Type Time Source CH1 Delta 1 163KHZ 0 860ms Cursor 1 0 000ns Cursor 2 0 860nms CH1 10u CH2 50 0mu MN 500us CH1 400mu Fig 54 Wave Form of Cursor Measurement To use Executive Buttons The executive buttons include AUTOSET RUN STOP and HARDCOPY 66 User s Manual of OWON Colour Digital Storage Oscilloscope AUTOSET This button is 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 Function Items Setting Acquisition Mode Current Vertical Coupling DC Vertical Scale Adjust to
6. CH1 All CH1 0 72 divs 3 60v Fig 61 Wave Form Obtained from Video Field Trigger 76 User s Manual of OWON Colour Digital Storage Oscilloscope Video Line Trigger For the trigger in the video line please operate according to the following steps 1 Push down the TRIG MENU button to display the trigger menu 2 Press the F1 menu selection button and choose Video 3 Press the F2 menu selection button and choose Normal for Polarity 4 Press the F3 menu selection button and choose CH1 for Source 5 Press the F4 menu selection button and choose Line for Sync 6 Adjust the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain the proper wave form display see Fig 62 OWON Trig d M Pos 0 000ns TRIG MODE Type Single Source CH1 Type Video Sync Line lt w 1 2 CH1 5u CH2 20u NM 20 us wyr CH1 ALL Fig 62 Wave Form Obtained from the Video Line Trigger 77 User s Manual of OWON Colour Digital Storage Oscilloscope Basic Troubleshooting hints 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 O Check whether the power connection is connected properly Check whether the power switch is 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
7. User s Manual of OWON Colour Digital Storage Oscilloscope General Warranty Probe The Lilliput guarantees that no faults in material and processing will emerge in the products produced and sold by the company within one year since the date when they are delivered If it is shown that there is any defect in the product within the warranty period the Lilliput will offer repairing and changing services according to those described in the complete warranty statement 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 Safety ARTO FAA iia 7 Safety Notice ARA taa 8 Safety SVINDONS dad ED Cress 8 General features of the PDS7102T Colour Digital Storage Oscilloscope ooomooooo 9 Junior User s Guidebook vi ie 10 Introduction to the Front Panel and the User s Interface of the PDS series Oscilloscope 11 Check the Package Contents iii sccccssscissssesssssssssasscsncssecsscadesssencsovasesesnsss
8. 2 1 External Adici n Mode Normal Peak detect Averaging q Sample rate real time 500MS s on each channel Input coupling DC AC Ground Input impedance IMQ 2 in parallel with 15pF 3pF Input Probe attenuation factor 1X 10X 100X 1000X Max input voltage 400V PK PK DC AC PK PK Sampling rate 1S s 500MS s Interpolation sinx x Record length 5K points on each channel Scanning speed S div 5ns div 100s div step by 1 2 5 Horizontal Sampling rate relay time Syst 100ppm ysrem accuracy Single 1 interval time 100ppm X Interval AT accuracy reading 0 6ns DC 100MHz Average gt 16 l interval time 100ppm X reading 0 4ns 79 User s Manual of OWON Colour Digital Storage Oscilloscope Vertical system A D converter 8 bits resolution 2 Channels simultaneously Sensitivity 5mV div 5V div Cat input 50V 500mV 5V 2V 5mV Displacement 200mV Single bandwidth Full bandwidth Low Frequency 5Hz at input AC coupling 3dB Rise time lt 3 5 ns at input Typical DC accuracy 3 DC accuracy average Average gt 16 3 rdg 0 05 Trigger div for AV Edge Rising Falling Line synchronization Field Type Video synchronization Odd field Even field Any line Edge trigger Sensitivity Ajustable Coupling DC AC LF Rjc HF Rje Internal 6 div from the screen center Trigger EXT 600mV level range EXT
9. 5 3V Trigger Internal 0 3div level EXT 40mV 6 of Set Value Accuracy EXT S 200mV 6 of Set Value typical Trigger displacement Pre trigger 655 div Post trigger 4 div 50 level setting typical Input signal frequency gt 50Hz Trigger Internal Peak peak value of 2div 80 User s Manual of OWON Colour Digital Storage Oscilloscope sensitivity EXT 400mV Video trigger typical EXT 5 2V NTSC PAL SECAM any Signal system frequency Alternate CH1 trigger Edge Video trigger CH2 trigger Edge Video Cursor AV and AT between cursors Peak to peak value average value root mean square value frequency period Vmax Vmin Vtop Vbase Vamp Automatic Overshoot Preshoot RiseTime Measurement Fall Time Width Width Duty Duty DelayA gt B and DelayA gt BY Waveform Math Invert Waveform storage 4 waveforms dns Bandwidth 100 MHz Lissajou s Phase fi igure difference 3 degrees Type 8 color liquid crystal display i x 4 tical siga 640 horizontal 80 vertical pixels Display Color 65536 colors TFT screen Backlight 380 cd m2 Language Simplified Chinese and English 5V with the Peak to peak value Output voltage typical Probe gt 1MO compensation Frequency typical 1KHz square wave wen USB1 1 or RS 232C port 81 User s Manual of OWON Colour Digita
10. On Battery power content symbol on Off Battery power content symbol off 51 User s Manual of OWON Colour Digital Storage Oscilloscope 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 41 and Fig 42 OWON a M Pos 0 000ns A T Type fvectorsi Persist OFF Format YT Carry Bitmap Battery Of f CHA 2 000 CHZ 20 0nu M 200us N CH1 A Fig 41 Display in the Vector Form 52 User s Manual of OWON Colour Digital Storage Oscilloscope OWON TD M Pos 0 000ns a DISP SETUP Type Persist OFF ro s m ee roo o CH1 2 00u CH2 Z0 Omu M 200us No CHi 640mu Fig 42 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 1sec 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 43 53 User s Manual of OWON Colour Digital Storage Oscilloscope _ DISP SETUP OWON A CESTO M Pos 6 000ns Type Vectors Persist OFF
11. Read the position of Cursor 1 the Time is read with reference to the horizontal trigger position and the Voltage is 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 64 User s Manual of OWON Colour Digital Storage Oscilloscope Perform the following operation steps for the voltage cursor measurement of the channel CH1 1 Press CURSOR and recall the Curs Meas menu 2 Press the F1 menu selection button to choose Voltage for Type with two purple dotted lines displayed along the horizontal direction of the screen which indicating CURSOR1 and CURSOR2 3 Press the F2 menu selection button and choose CH1 for Source 4 Adjust the positions of CURSOR1 and CURSOR2 according to the measured wave form with the absolute value of the voltage amplitude difference between Cursor 1 and Cursor 2 displayed in the increment window The current position of Cursor is displayed in the Cursor window and that of Cursor2 is displayed in the Cursor2 window see Fig 53 Tiga M Pos 0 000ns CURS MEAS CH1 400mu Fig 53 Wave Form of Voltage Cursor Measurement Carry out the following operation steps for the time cursor measurement of the channel CH 1 1 Press CURSOR and recall the CURS MEAS menu
12. data line x 1 O Power line x 1 up to the standards of the country in which it is used O User s 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 1t 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 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 N wan 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 83 User s Manual of OWON Colour Digital Storage Oscilloscope Appendix D Battery Using Guide Batter
13. 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 57 71 User s Manual of OWON Colour Digital Storage Oscilloscope OWON STOF M Pos 0 000ns TRIG MODE i ae Edge Slope Rising Source CH1 Eire Coupling DC CH1 Zu CHZ 1 00u M 1 0ms CH1 256mu Fig 57 Capture the Single Signal Example 4 Analyze the Details of a Signal Observe the Signal Containing Noises If the signal is interfered by the noise the noise may cause a failure in the circuit For the analyzing of the noise in detail please operate the instrument according to the following steps 1 Press the ACQUIRE button to display the ACQU MODE menu 2 Press the 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 a
14. n Pos 0 000ns o TRIG MODE Type Single ESES EO SSeS Sass BESS ass IES aco Source CH1 Type Edge Slope O E ee ee Rising CH1 Zv CHZ 50 Omu M 500us CH1 2 600 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 in the measuring error or mistake For adjusting the probe compensation please carry out the following steps 1 Set the attenuation coefficient of the probe in the menu as 10X and that of the switch in the probe as 10X and connect the oscilloscope probe with the CH1 channel If a probe hook tip is used ensure that it keeps in close touch with the probe Connect the probe tip with the signal connector of the probe compensator and connect the reference wire clamp with the ground wire connector of the probe connector and then press the button AUTOSET see Fig 5 2 Check the displayed waveforms and regulate the probe till a correct compensation is achieved see Fig 7 and Fig 8 Overcompensated Compensated correctly Under compensated Fig 7 Displayed Waveforms of the Probe Compensation 3 Repeat the steps mentioned if necessary Fig 8 Adjust Probe User
15. the interference 5 No Display Responses to the Push down of RUN STOP Check whether Normal or Signal is chosen for Polarity in the TRIG MODE menu and the trigger level exceeds the 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 78 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 E This instrument should run for more than 30 minutes continuously under the specified operating temperature E 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 Model Name Perf haracteristi erformance Characteristics PDS7102T Bandwidth 100MHz Channel
16. the product is on power please don t touch the uncovered contacts and parts Please don t make any operations while there is an uncertain fault emerged If suspecting damage to this product please contact the qualified maintenance personnel for check Keep a good ventilation condition Please consult the detailed installation instruction in the user s manual so that this product can be erected correctly keeping it under a good ventilation condition Please 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 Manual of OWON Colour Digital Storage Oscilloscope Safety Notice The following notice may appear on the products AN Warning A warning statement indicates the conditions and actions which may endanger the life safety A damage to this product or other property Note A note statement indicates the conditions and actions which may cause 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 A h High Voltage Please Consult the Manual Protective Ground End Earth End on the Shell Grounding End for Measurement
17. we will be under your service 2 After acquiring the signal carry out the following operations if the wave form of the signal is not displayed in the screen O Check whether the probe is properly connected to the signal connecting wire O Check whether the signal connecting wire is correctly connected to the BNC namely the channel connector O Check whether the probe is properly connected with the object to be measured O Check whether there is any signal generated from the object to be measured the trouble can be shot by the connection of the channel from which there is a signal generated with the channel in fault 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 is match 4 There is wave form displayed but it is not stable O Check whether the Source item in the TRIG MODE menu is in conformity with the signal channel used in the practical application O 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 is 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
18. CH1 26 4u CH1 2 40 divs 24 00v Fig 28 Wave Form Triggered on the Rising Edge OWON_ Cig 2 N Pos 0 000ns _TRIG MODE j i Type Single o o O aes A fans oa ee 2 Source CH1 Type Edge ATEOS wees E BeBe N ba Bee Be ee Ba AA IEA Slope a oI ha eaid oe ds Ste Falling eee a E 1 2 CH1 10u CHZ 10y M 500us N CH1 28 8u Fig 29 Wave Form Triggered on the Falling Edge 42 User s Manual of OWON Colour Digital Storage Oscilloscope Video Trigger The operation menu of Video Trigger is shown as Fig 30 Fig 30 Video Trigger Menu The description of the Video Trigger menu is shown the following table Function Setting Description Menu Source CH1 Set Channel 1 as the trigger signal of the source CH2 Set Channel 2 as the trigger signal of the source EXT Set the external input channel as the trigger signal of the source EXT 5 Divide the external trigger source by 5 and expand the external trigger level range Type Video Set vertical channel trigger type for video trigger Video Type Line Set a trigger level synchronization in the video Sync 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 D U User s Man
19. PDS series Oscilloscope User s Manual of OWON Colour Digital Storage Oscilloscope l l1 2 3 4 5 6 35 0 000ns U 0 000ns 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 center This reading shows the time deviation between the horizontal trigger position and the window centre line which is regarded as 0 in the window center It indicates the current function menu 13 User s Manual of OWON Colour Digital Storage Oscilloscope 10 11 12 13 14 15 16 17 18 19 20 21 22 It indicates the operation options for the current function menu w
20. SITION 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 is under the AC mode the DC component will be removed by filtration This mode helps you display the AC component of the signal with a higher sensitivity 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 CH1 MENU CH2 MENU and MATH MENU the operation menu symbols wave forms and scale factor status information of the corresponding channel will be displayed in the screen 22 User s Manual of OWON Colour Digital Storage Oscilloscope Intro
21. TAL CONTROLS includes the HORIZONTAL NENU button and such knobs as HORIZONTAL POSITION and SEC DIV 1 HORIZONTAL POSITION knob this knob is used to adjust the horizontal positions of all channels include those obtained from the mathematical manipulation the analytic resolution of which changes with the time base 2 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 22 Fig 22 Time Base Mode Menu The description of the Horizontal Menu is as follows Function Menu Setting Description Main Time Base The setting of the horizontal main time base is used to display the wave form Set Window A window area is defined by two cursors Zone Window The defined window area for display is expanded to the full screen User s Manual of OWON Colour Digital Storage Oscilloscope 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 window The display in the screen is shown as Fig 23 OWON Trig M Pos 0 000ns TIME MODE Biel imeBase a of ie Window l i Zone gt E A O O A A A A A Cer ae O l i i i 4 i i i Window CH1 10u CH2 50 0my NM 500us CH1 400mu Fig 23 Main Time Base 35 User s Manual o
22. User s Manual of OWON Colour Digital Storage Oscilloscope General features of the PDS7102T Colour Digital Storage Oscilloscope With the bandwidth of 100M Record length of 5 000 points for each channel Sampling rates of 500MS s 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 Perform detecting the average and peak values of the waveform Digital real time oscilloscope Single and Alternating triggering function RS232 or USB communication ports Different continuous displaying time User interface in two languages for the user s choice 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 oscilloscope 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 Pan
23. User s Manual of OWON Colour Digital Storage Oscilloscope OWON PDS7102T Portable Colour Digital Storage Oscilloscope User s Manual WWW OWON COM CN User s Manual of OWON Colour Digital Storage Oscilloscope Copy Right in this Manual Lilliput Company All rights have been reserved The Lilliput s products are under the protection of the patent rights in America and other countries including ones which have already obtained the patent rights and those which are applying for The information in this manual will replace all that in the materials published originally The information in this manual was correct at the time of printing However OWON will continue to improve products and reserves the rights to changes specification at any time without notice Lilliput Company the 5 floor B Area Chuangxin Mansion Xiamen Software Zone OWON is the registered trademark of the Lilliput Company User s Manual of OWON Colour Digital Storage Oscilloscope General Warranty PDS Series Digital Storage Oscilloscope The Lilliput guarantees that no faults in material and processing will present in the products produced and sold by the company within 3 years since the date when they are delivered by the authorized retail trader of Lilliput If there is any defect really found in the product within the warranty period the Lilliput will offer repairing and changing services according to those described in the complete warranty state
24. ance 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 is connected to the power lead please do not connect and disconnect the probe or testing wire freely Ground This product is grounded through the power lead grounding conductor In order to prevent any electric shocking the grounding conductor must be connected to the ground It requires guarantee that this product has been already grounded correctly before any connection with its input or output terminal 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
25. 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 HI quadrants the determined phase difference angel should be in I and IV quadrants that is in the range of 0 n 2 or 3n 2 21 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 n 2 n or a 31 2 75 User s Manual of OWON Colour Digital Storage Oscilloscope Example 6 Video Signal Trigger Observe the video circuit of a television apply the video trigger and obtain the stable video output signal display Video Field Trigger For the trigger in the video field carry out operations according to the following steps 1 Press the TRIG MENU button to display the trigger menu Press the F1 menu selection button and choose Video for Type Press the F2 menu selection button and choose Normal for Polarity 2 3 4 Press the F3 menu selection button and choose CH1 for Source 5 Press the F4 menu selection button and choose Field for Sync 6 Adjust the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper wave form display see Fig 61 OWON Trig d M Pos 280 0us TRIG MODE d Type Single CH1 Type Video EE AO AO AAA AA OA A ER ee AN AA Sync Y 112 CH1 Sv CH2 20u PACOTES wh
26. ble trigger The sluggish 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 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 AUTOSET RUN STOP and HARDCOPY To perform Sampling Setup Press the ACQUIRE button and the menu is displayed in the screen shown as Fig 36 ACOU MODI Fig 36 ACQU MODE Menu 48 User s Manual of OWON Colour Digital Storage Oscilloscope The description of the Sampling Setup Menu is shown as follows Function Menu Setting Description Sample General sampling mode Peak Detect It is used for the detection of the jamming burr and the possibility of reducing the confusion Average It is used to reduce the random and don t care noises with the optional number of averages Averages 4 16 64 Choose the number of averages 128 Change the ACQU Mode settings and observe the consequent variation of the wave form displayed OWON Trig d M Pos 280 0us ACQU MODE Sample qos pes ail ees y da e A A A e e Peak etect Average Averages CH1 500mu CH2 20v MN 500us CH1 1 34 Fig 37 Peak Detect mode under which the burrs on the falling edge of the square wave can be d
27. cilloscope 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 gt B F and DelayA Bt 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 50 Fig 50 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 61 User s Manual of OWON Colour Digital Storage Oscilloscope entire waveform Vamp Voltage between Vtop and Vbase of a waveform Vtop Voltage of the waveform s flat top useful for square pulse waveforms Vbase Voltage of the waveform s flat base useful for square pulse waveforms Overshoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Average The arithmetic mean over
28. duction 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 POSTION 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 5s in the sequence of 1 2 5 2 Use the HORIZONTAL POSITION knob to adjust the horizontal position of the signal in the waveform window The HORIZONTAL POSITION knob is used to control the triggering displacement of the signal or for other special applications If it is 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 23 User s Manual of OWON Colour Digital 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 syste
29. e Channel 1 wave form from the Channel 2 wave form CH1 CH2 Add the Channel 1 wave form to the Channel 2 32 User s Manual of OWON Colour Digital Storage Oscilloscope 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 21 OWON frig a M Pos 0 000ns MEASURE Source Type oe O en eee eee Cee buses deer E e E CHL Freq 1 168KHZ CHL A Reali ah NA EL EAE AR EW A PEPE l 51 364 CHZ Mean OFF CH2 Cyc RMS OFF CH1 20u CH2 50 Omu M 500us CHi 24 8 CH1 1 00 divs 20 00v Fig 21 Information about Vertical Position 33 User s Manual of OWON Colour Digital Storage Oscilloscope To set the Horizontal system The HORIZON
30. el 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 is 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 11 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 1 The Front Panel of a PDS series Oscilloscope Function Buttons SeymRCL Rube Toe L POSTON 5 a El D 3 5 a 5 O gt O MAX Oe ee A B Adjustment Vertical Control Connector Horizontal Trigger Menu Selection Control Control Fig 2 Explanatory Drawing for Operations of the
31. election 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 Cye RMS The measured value will be displayed in the reading window automatically see Fig 51 62 User s Manual of OWON Colour Digital Storage Oscilloscope OWON Trig d M Pos 0 000ns MEASURI 1 04 divs 20 80v Fig 51 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 52 63 User s Manual of OWON Colour Digital Storage Oscilloscope Fig 52 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table Function Menu Setting Description Type OFF Voltage Time Switch off the cursor measurement Display the voltage measurement cursor and menu Show time measures the cursor and menu Source CH1 CH2 Choose the channel generating the wave form to which the cursor measurement will be applied Delta Read the difference between cursors Cursor 1 Read the position of Cursor 1 the Time is read with reference to the horizontal trigger position and the Voltage is to the ground point Cursor 2
32. encsivetessiecssesecsvesesssncssonees 15 To perform the Function Inspection ssccssssccssssssssscssssccssssssssssssssscsssscsssscsssssssssessssssscees 16 To perform the Probe Compensation sscssssccssssssssscssssscsssscsssscsssescsssesssssscssscssssessssseseees 18 To set the Probe Attenuation Coefficient cssccssscssssscscccssssssscsscsscssssessesessssssessscsscsseees 19 Tose the Probe Safely sssscoisssiccscssssieccsestdcssecssscovcesccsstesssivdcesetcssavsssennsesucossnasinccds sobcsssnssssencesees 20 To perform Self calibrati0 vies ccsescisecesssencesssssesandseovsesesessassdoacesesesssosssdvesasedessesons casesevesesesseebes 21 Introduction to the Vertical System sssssccssssccsssssssscssseccsssssssssssssescsssessssscscssssssessssssscees 22 Introduction to the Horizontal System ccsssccssssssssscssseccsssscsssssesseccsssessssscsssscssssessssssscees 23 Introduction to the Trigger System cssssccssssccssscssssscssssscssscssssssssssscsssesssssssssscssssesssssescees 24 Advanced User s Guidebok ii A A A Sc dd el 25 To set the Vertical System lt ssescsvisscscssecsceestssncescsnsssoesseensecsinsscoensesnsnacsessseessesesnessndsessebsooseacsebsassess 26 Perform Mathematical Manipulation Function oooomomss 32 Application of VERTICAL POSITION and VOLTS DIV K2nob5 ssssesscsssssssscesserseeees 33 To set the Horizontal SyStemis sisccccsucsceectssecsssoncssoesseensenssndsco
33. ensccusnacsedssevssivnsesssnsscssossooseacsusssesess 34 To St the Trigger System AAA setcessenseenscs seecsvesssssesessees 38 To operate the Function Menu ccccccssscssssscssssccssccssssscssseccsscsssssssssssccsssesessscsssscsssessssssscees 48 To perform Sampling Setup ccscsssscssssscssssscsscssssscsssessssscscssssssseccsssessssscsssssssesssssascees 48 To set the Display SySteMisccsesscccscscsssscssescecscncsisnecescntcsssessssenceosorssevssssesassncsdenassensds ssesesensssscsassens 51 User s Manual of OWON Colour Digital Storage Oscilloscope To Save and Recall a Waveform csscccscscssscssccssccsscssssscssssccssscesssesscesccssescsesssessssscoesseeees 56 To perform the Auxiliary System Function Setting ooooommss 58 To perform the Automatic Measurement sccssscssssscssssccsssscsssssssssscsssessssssscssssssessssssscoes 61 To perform the Cursor Measuremen sscssssccssscssssscssssscsssscsssscssssccssssssssscsssscsssescssssscees 63 TO Use Executive Buttons scccc cicscssediscstescacseassooscccsesedsccuedbncscssacesesusasoveccsecesGoadsens soesecotenssssovencsts 66 DUCK SHAPE Guid sree oaea EEEE SESS O TEEI EEEa EEEa S e 67 Example 1 Measurement of Simple Signals sesssssessessscsssccssecssecesecesccssecesocesocesocesocesocesoseso 67 Example 2 Gain of the Amplifier in the Metering Circult oooooomosmsssssso 69 Example 3 Capture the Single Signal csssccsssssssssc
34. enuation coefficient of 1 1 is used OWON Greig 2 M Pos 0 000ns _ CH1 SETUP Y 3 Coupling ee N be be eet cave Deen alae eno MN Channel ON Probe E ig E a z Inverted AN OES We Wee ea weak ues Pad OR Mi mo Ra aoe OFF CH1 2 004 CHZ 50 0mu M 500us CH1 2 480 Fig 17 Regulation of the Attenuation Ratio of the Probe 29 User s Manual of OWON Colour Digital Storage Oscilloscope A List of the Attenuation Coefficients of Probes and the Corresponding Menu Settings Attenuation Coefficient of the Probe Corresponding Menu Setting 1 1 1X 10 1 10X 100 1 100X 1000 1 1000X 5 Setting of Wave Form Inverted Wave form inverted the displayed signal is turned 180 degrees against the phase of the earth potential Taking the Channel 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 is closed off For the screen display see Fig 18 and Fig 19 30 User s Manual of OWON Colour Digital Storage Oscilloscope OWON Mag 0 N Pos 0 990nsi _CH1 SETUP Coupling AC Channel ON Probe 1X Inverted cers eas forF ho ES
35. etected and the noise is heavy 49 User s Manual of OWON Colour Digital Storage Oscilloscope OWON Trig d M Pos 280 0us ACQU MODE Peak Detect Average Averages 16 CH1 500mu CH2 20v M 500us Y CH1 1 34u Fig 38 Common ACQU Mode display in which no burr can be detected OWON TA M Pos 280 0us ACQU MODE Sample Peak Detect Averages CH1 500mu CH2 20v M 500us CH1 1 34v Fig 39 The displayed wave form after the noise is removed under the Average Mode in which the average number of 16 is set 50 User s Manual of OWON Colour Digital Storage Oscilloscope To set the Display System Push down the DISPLAY button and the menu displayed in the screen is shown as Fig 40 Fig 40 Display Set Menu The description of the Display Set Menu is shown as follows Function Menu Setting Description Type Vectors The space between the adjacent sampling points in the display is filled with the vector form Dots Only the sampling points are displayed Persist OFF Set the persistence time for each sampling point 1sec 2sec Ssec Infinite Format YT Show the relative relation between the vertical voltage and the horizontal time XY Channel 1 is displayed on the horizontal axis and Channel 2 on the vertical axis Carry Bitmap The data transmitted in communication are in the bitmap form Vectors The data transmitted in communication are in the vector form Battery
36. f OWON Colour Digital Storage Oscilloscope Window 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 24 OWON Trig M Pos 0 000ns U 0 000ns TIME MODE EERI 1 j Main TimeBase Set Window Zone Window CH1 10u CH2 50 0mu 1 500us U 20 us CH1 400mu Fig 24 Set Window 36 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 25 OWON frig a M Pos 0 000ns U 0 000ns TIME MODE Main TimeBase eae ners ee Set Window Zonei indowi CH1 10u CH2 50 0my M 500us TARTE CH1 400mu Fig 25 Zone Window 37 User s Manual of OWON Colour Digital Storage Oscilloscope To set the Trigger System When the oscilloscope begins to collect the data and display the wave form depends on a trigger Once it is 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 f
37. he 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 Ze E A Press the MEASURE button to show the automatic measurement function menu Press the F1 menu selection button and choose Source with the Source menu displayed Press the F2 F3 F4 and F5 menu selection buttons and choose CH1 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 button and choose Period Press the F4 menu selection button and choose Mean 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 Fig 55 68 User s Manual of OWON Colour Digital Storage Oscilloscope OWON Trig d M Pos 0 000ns MEASURE Source Type CH1 Freq EA CH1 Period 0 856ms CH2 Mean OFF CH2 PK PKI OFF TENA TA M 500us CH1 400mu Fig 55 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 t
38. he output end Operation Steps 1 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 CH1 Press the F3 menu selection button and choose CH2 Press the F1 menu selection button again and choose Type ple OS re ge oe Press the F2 menu selection button and choose Pk Pk 69 User s Manual of OWON Colour Digital Storage Oscilloscope 8 Press the F3 menu selection button and choose Pk Pk 10 Read the peak to peak values of Channel 1 and Channel 2 from the displayed menu see Fig 54 11 Calculate the amplifier gain with the following formulas Gain Output Signal Input signal Gain db 20xlog gain OWON trig ad M Pos 0 000ns MEASURE Source Type CHI PKPK 5 2804 Se CH2 PK PK 2 00u CH1 Mean 0 000mu CH2 PK PK a i 92 00u CH1 Zu CHZ 20u M 500us CH1 0 00mu Fig 56 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 e
39. hich changes with the function menus The purple pointer shows the trigger level position The reading shows the trigger level value The reading shows the trigger source It shows the selected trigger type J Rising edge triggering Falling edge triggering ae Video line synchronous triggering will Video field synchronous triggering The reading shows the window time base set value The reading shows the main time base set value The two yellow dotted lines indicate the size of the viewing expanded window The icon shows the coupling mode of the CH2 channel indicates the direct current coupling 113 indicates the AC coupling The reading shows the vertical scale factor the Voltage Division of the CH2 channel The icon indicates the coupling mode of the CH1 channel The icon indicates the direct current coupling The icon indicates the AC coupling The reading indicates the vertical scale factor the Voltage Division of the CH1 channel The information shows the zero point positions of CH1 or CH2 channel 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 The red pointer indicates the grounding datum point zero point position of the waveform of the CH1 channel If the pointer is not displayed it shows that the channel is not opened The positions of two purp
40. iliar 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 e 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 25 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 see 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 Me
41. 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 U NO User s Manual of OWON Colour Digital Storage Oscilloscope 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 27 1 i 2 Fig 27 Edge Trigger Menu Single trigger mode of the Edge Trigger Menu is described as below Function Setting Description Menu Source CH1 Set Channel 1 as the trigger signal of the source CH2 Set Channel 2 as the trigger signal of the source EXT Set the external trigger channel as the trigger signal of the source EXT 5 Divide the External Trigger Source by 5 to expand the external trigger level range Type Edge Set vertical channel trigger type for edge trigger Slope Rising Set a trigger on the rising edge of the signal Falling Set a trigger on the falling edge of the signal Trig mode Auto Collect the wave form even if there is not trigger condition is detected Normal Collect the wave form only when the trigger D User s Manual of OWON Colour Digital Storage Oscilloscope condition is fulfilled Single Collect a
42. ion 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 48 Fig 48 SYS STAT Menu 59 User s Manual of OWON Colour Digital Storage Oscilloscope The SYS STAT menu is described as the following table Function Menu Setting Description Horizontal Show the horizontal parameter of the channel Vertical Show the vertical parameter of the channel Trigger Show the parameters of the trigger system Misc 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 System State will be displayed in the screen Press any other function button and exit from the SYS STAT menu see Fig 49 OWON Trig a M Pos 0 000ns SYS STAT HORIZONTAL SYSTEM STATUS TIME BASE MAIN TIME BASE MAIN SCALE 500us WINDOW SCALE 25 us MAIN POSITION 0 000ns Vertical WINDOW POSITION Os DISPLAY FORMAT YT ACQUIRE MODE SAMPLE Trigger Misc CH1 20v CHZ 50 0mu M 500us CH1 0 00mu Fig 49 Horizontal System State 60 User s Manual of OWON Colour Digital Storage Os
43. l Storage Oscilloscope Supply 100 240 VACRMS 50Hz CAT II Consumption lt 15W Power Fuse 1A Tclass 250V Battery Optional Temperature Working temperature 0 C 40 C Storage temperature 20 C 60 Relative Humidity lt 90 Environment Height Operating 3 000 m Non operating 15 000 m Cooling Method Natural convection Dimension 350mmx 157mmx103mm Mechanical Specifications Weight 1 75 kilogram 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 to warm up for at least 30 minutes before performing self calibration You should perform self calibration according to the following recommendations e Every 12 months or after 2000 hours of operation e If the ambient temperature is gt 10 C from the calibration temperature e If you want to maximize the measurement accuracy e After experiencing abnormal operation e To verify proper operation after repairing 82 User s Manual of OWON Colour Digital Storage Oscilloscope Appendix B Package Contents Standard Accessories Passive probe x 2 e CD x 1 PC link application software O RS232 data line or USB
44. l will also be shown at the upper left corner of the display area at the same time see Fig 46 OWON MIA M Pos 0 000ns WAVE SAVE Save A 20v 500us gt Source l i IT VE D Save CHA CH1 20v CH2 50 0mu M 500us CH1 0 00mu CH1 1 60 divs 32 00v Fig 46 Wave Saving 57 User s Manual of OWON Colour Digital Storage Oscilloscope To perform the Auxiliary System Function Setting Press the UNTILITY button and the menu is displayed in the screen as Fig 47 Fig 47 Function Menu The description of the Auxiliary Function Menu is shown as the following table Function Menu Setting Description System Status Display the system function menu Recall Factory Call out the factory settings Do Self Cal Carry out the self calibration procedure Language Chinese Choose the display language of the English operating system User s Manual of OWON Colour Digital Storage Oscilloscope 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 5 C the self calibration procedure should be executed to obtain the highest level of accuracy Before executing the self calibration procedure disconnect the probe or wire and the input connector Then press the F3 menu selection button and choose Perform Self Calibrat
45. le 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 Complete Instrument If it is found that there is damage to the appearance of the instrument or the instrument can not work normally or fails in the performance test please get in touch with the LILLIPUT s distributor responsible for this business or the LILLIPUT s local offices If there is damage to the instrument caused by the transportation please keep the package With the transportation department or the LILLIPUT s distributor responsible for this business inf
46. m gradually Fig 13 Trigger Control Zone 1 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 Use the LEVEL knob to change the trigger level setting With the rotation of the LEVEL knob it can found that the trigger indicator in the screen will move up and down with the rotation of the knob With the movement of the trigger indicator it can be observed that the trigger level value displayed in the screen changes 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 is mainly applied to the Normal and Single trigger modes 5 The TRIG VIEW button is used to reset the trigger horizontal position 24 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 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 fam
47. ment 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 will not take any responsibilities for any indirect special or consequent damages 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 A 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 4800VA O Only use accessory insulated voltage probes test lead O Before use inspect oscilloscope probes accessories for mechanical damage and replace when damage Remove all probes test leads and accessories that are not in use O Remove computer data line e 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 O Do not use exposed metal BNC or banana plug connectors O Do not insert metal objects into connectors 3
48. nd burr contained in the signal can be observed with the peak detection See Fig 58 72 User s Manual of OWON Colour Digital Storage Oscilloscope OWON trig ad M Pos 280 0us ACQU MODE Sample Peak etect Average Averages 16 CH1 500mu CHZ 20u M 500us CH1 1 34u Fig 58 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 1 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 is reduced and the detail of the signal is easier to be observed Shown as follows after the noise is removed the burrs on the rising and falling edges appear see Fig 59 73 User s Manual of OWON Colour Digital Storage Oscilloscope OWON trig ad M Pos 280 0us ACOU MODE Sample Peak Detect Averages T CH1 500mu CH2 20v M 500us Y CH1 1 34u Fig 59 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 pas
49. nu Setting Description Coupling AC Block the DC component in the input signal DC Unblock the AC and DC components in the input signal Ground Input signal is interrupted Channel OFF Close the measurement channel ON Open the measuring channel Probe 1X Choose one according to the probe 10X attenuation factor to make the vertical scale 100X reading accurate 1000X Inverted 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 de mode under which both de and ac components in the signal will be unblocked The waveforms are shown as Fig 15 and Fig 16 27 User s Manual of OWON Colour Digital Storage Oscilloscope OWON Trig a M Pos 0 000ns CH1 SETUP U E f Coupling i 7 Inverted oA WATE BAGS GAGA q a WADA eal Wick Gres Woes wide wid OFF CH1 Z2 00u7 CHZ 50 Omu M 500us Fig 15 AC Coupling Oscill
50. 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 20 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 21 User s Manual of OWON Colour Digital Storage Oscilloscope Introduction to the Vertical System Shown as Fig 11 there are a series of buttons and knobs in VERTICAL CONTROLS The following practices will gradually direct you to be familiar with the using of the vertical setting Fig 11 Vertical Control Zone 1 Use the button VERTICAL PO
51. ogram OWON Trig a M Pos 0 000ns CH1 SETUP U E o f Coupling Probe 1X Bi Inverted a Shee a eee a OFF CH1 2 00v CH2 50 Omu M 500us 7 CHI 2 48u Fig 16 DC Coupling Oscillogram 28 User s Manual of OWON Colour Digital Storage Oscilloscope 2 Setting the Channel ON OFF Taking the Channel for example the operation steps are shown as below 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 is required to adjust the attenuation ration coefficient of the probe through the operating menu of the Channel accordingly If the attenuation coefficient of the probe is 1 1 that of the oscilloscope input channel should also be set to 1X to avoid any errors presented in the displayed scale factor information and the measured data Take the Channel as an example the attenuation coefficient of the probe is 1 1 the operation steps is shown as follows 1 Press the CH1 MENU button access CH1 SETUP menu 2 Press the F3 menu selection button and select 1X for the probe The Figure 17 illustrates the setting and the vertical scale factor when the probe of the att
52. or 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 LEVEL Trigger the level control knob and set the signal voltage 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 which is mainly used in the Normal and Single triggering modes TRIG VIEW 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 shown as Fig 26 38 User s Manual of OWON Colour Digital Storage Oscilloscope 11 Fig 26 Trigger Mode Menu Trigger Control 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
53. ormed 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 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 CH1 Fig 5 Connection of the Probe 3 Press the AUTOSET Button The square wave of 1 KHz frequency and 5V peak peak value will be displayed in several seconds see Fig 6 OWON Giga
54. 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 is required to change check the set value of the probe attenuation coefficient press the function menu button of the channels used then push down the selection button corresponding to the probe till the correct set value is shown This setting will be valid all the time before it is changed again 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 P6060 probe is the same as the menu selection of the probe in the oscilloscope The set values of the probe switch are 1X and 10X see Fig 9 x Fig 9 Attenuation Switch A Note When the attenuation switch is set to 1X the P6060 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 protects your finger against the electric shock shown as Fig 10 S A Fig 10 Finger Guard A Warning In order to avoid suffering from the electric shock please keep your finger behind the safety guard ring
55. ses through a circuit network Connect the oscilloscope with the circuit and monitor the input and output signals of the circuit For the examination of the input and output of the circuit in the form of X Y coordinate graph please operate according to the following steps 1 Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X 2 Connect the probe of channel 1 to the input of the network and that of Channel 2 to the output of the network 3 Push down the AUTOSET button with the oscilloscope turning on the signals of the two channels and displaying them in the screen 5 Adjust the VOLTS DIV knob making the amplitudes of two signals equal in the rough 74 User s Manual of OWON Colour Digital Storage Oscilloscope 6 Push down the DISPLAY button and recall the DISP SET menu 7 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 8 Adjust the VOLTS DIV and VERTICAL POSITION knobs optimizing the wave form 9 With the elliptical oscillogram method adopted observe and calculate the phase difference see Fig 60 The signal must be centered and kept in the horizontal direction Fig 60 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
56. ssssscssssssssscssssscsssscssssssssssssssessssssscees 70 Example 4 Analyze the Details of a Signal ccsccsssscssssscsssscsssscssssscsssecssssscssssssssessesssssees 72 Example 5 Application of X Y Function sccssscssssscssssccsssscsssssssssccsssesssssssssscssssessssssscoes 74 Example 6 Video Signal Trigger csscsssscssssscsssssssssscssseccssssssssssssseccsssessssssssesssessesssssescnes 76 Basic Troubleshooting hits ieccssisscrseososensccssssseassccevsasdeesdevkassssiekessabaas unsvsssncesvoniaceentssenavavs 78 Appendix A Technical Specifications cssccssssscssrsccssssccssscccsssccssssccsesssscssscssesscessssceees 79 Appendix B Package Contents sicscsssisisssiesscsesntecsostiseniessvkesssndsssensnesenecsavesagearssbenevatsbnassans 83 Appendix C Maintenance Cleaning and Repairing ssscccsssccssssscsssssssssccsesscssessceees 83 Appendix D Battery Using Guide sisccsiscsisciicasecscicesss snsssenssssansssdensayssnsnsvessdesnnasbennenesnnvesaye 84 Appendix E New Function Gude aiii A oes 85 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 mainten
57. 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 in the waveform takes to rise from 10 to 90 of its amplitude Fall Time Time that the falling edge of the first pulse in the waveform takes to fall from 90 to 10 of its amplitude Width The width of the first positive pulse in 50 amplitude points Width The width of the first negative pulse in the 50 amplitude points Delay 12 The delay between the two channels at the rising edge Delay 1 2t 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 and 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 s
58. the proper division Bandwidth Full Horizontal Level Middle Horizontal Sale Adjust to the proper division Trigger Type Trigger Source Current Show the minimum number of channels Trigger Coupling Current Trigger Slope Current Trigger Level Mid point Setting Trigger Mode Auto Display Format YT 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 or is less than 50ms the horizontal time base can be expanded for 4 divisions downwards 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 67 User s Manual of OWON Colour Digital Storage Oscilloscope 2 3 Set the probe menu attenuation coefficient as 10X and that of the switch in the probe switch as 10X Connect the probe of Channel 1 to the measured point of the circuit 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 t
59. ual of OWON Colour Digital Storage Oscilloscope The operation steps for setting Channel 1 in Video Trigger Mode are as below 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 is shown as Fig 31 6 Press the F4 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 32 CTI tres 9 0008 ATTE Y Type Single e o ae Source CH1 Type Video O O O O O O O O O ESS RET O SA Sync HP 1 2 wi CH2 All Fig 31 Wave Form Triggered in the Video Field 44 User s Manual of OWON Colour Digital Storage Oscilloscope OWON MPos 0 000ns TRIG MODE y y y y he Single yA des Serene Oxia tree Saran Heine Sten tag ened Hens Source CH1 Type Video IN 112 Fig 32 Wave Form Triggered in the Video Line Alternate trigger During alternate trigger the trigger signal mainly come from two vertical channels 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 Two trigger vertical point displa
60. uction Autoscale OFF Turn off Autoscale ON Turn on Autoscale Mode Vertical Follow up and adjust vertical scale without changing horizontal setting Horizontal Follow up and adjust horizontal scale without changing vertical setting HORI VERT Follow up and adjust the vertical and horizontal settings Wave 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 i i fy ER SAY for Wave item Then the wave is displayed in the screen showon as Figl 85 User s Manual of OWON Colour Digital Storage Oscilloscope OWON 7 M Pos 6 000ns AUTO SCALE Autoscale ON Mode HORI VERT Wave AVAVA CH1 50v CH2 50v M 500us CH1 0 00mu CH1 1 00591KHz CH2 1 01236KHz A Figl Autoscale Horizontal Vertical multi period waveforms OWON 7 M Pos 0 000ns AUTO SCALE Autoscale ON Mode HORI VERT Wave Ta CH1 50v CH2 50v M 100us CH1 0 00mu CH1 1 00591KHz CHZ2 1 04236KHz Y Fig 2 Autoscale Horizontal Vertical mono period waveform Note A 1 Entering into Autoscale function and flicker will be on the top left corner flicker every 0 5 second 86 User s Manual of OWON Colour Digital Storage Oscilloscope
61. wave form when a trigger is detected and then stop sampling Coupling AC Block the direct current component DC Unblock all components HF Rjc Block the high frequency signal and only unblock the low frequency component LF Rjc Block the low frequency signal and only unblock the high frequency component Sensitivity 0 2div 1 0div Set trigger sensitivity 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 Press the F1 menu selection button and select single for Type Press the F2 menu selection button and select CH1 for source 2 3 4 Press the F3 menu selection button and choose Edge for Type 5 Press the F4 menu selection button and choose Rising for Slope 6 Press the F5 menu selection button and press the F2 menu selection button choose AUTO for Coupling 7 Press the F5 menu selection button and press the F3 menu selection button choose DC for Coupling The display in the screen is as Fig 28 8 Press the F1 menu selection button and Press the F4 menu selection button again choose Falling for Slope For the screen display see Fig 29 41 User s Manual of OWON Colour Digital Storage Oscilloscope OWON Ls M Pos 0 000ns TRIG MODE _ Type Single saree Essen Mien zs O eee eee CH1 Type Edge Slope a E i 412 CH1 10v CH2 10u M 500us
62. xample 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 70 User s Manual of OWON Colour Digital Storage Oscilloscope advance under the automatic or ordinary mode to determine the trigger level and the trigger edge The operation steps are as follows l AID AIS ES O 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 Press the F1 menu selection button and choose Edge as the trigger type Press the F4 menu selection button and choose Single as the trigger mode Press the F2 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
63. xt menu Press F2 menu selection button and choose line for sycn CH2 trigger complete set After Acquire waveform is shown as fig 35 OWON 7 M Pos 0 000ns TRIG MODE Type Alternating CH1 Type Edge IAN ARA eat so Ue AAA Poon Voce ANA eax foe Wes AAA ARA AN A Slope Rising gt 112 A RARE AAA ON AAA IATA CH1 1 00u CHZ 1 00u M 50 us S CH1 0 00mu Fig 35 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 is 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 47 User s Manual of OWON Colour Digital Storage Oscilloscope 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 sta
64. y electric quantity indicating symbols including MA ana fl 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 i E el and 0 imply for different power consumption and when 0 shows it means the power can only supply for 5 minutes maximum Note To avoid superheat of battery during charging the environment temperature is not allowed to exceed the permissible value given in technical specification Replacing the Lithium Battery Unit It is usually not required to replace the battery unit But when it is required to replace it only qualified personnel can carry out this operation and only use the same specification lithium battery 84 User s Manual of OWON Colour Digital Storage Oscilloscope Appendix E New Function Guide 1 Autoscale The function is applied to follow up signals automatically even if the signals change at any time Autoscale enables the instrument to set up trigger mode voltage division and time scale automatically according to the type amplitude and frequency of the signals The menu is as follows Function Menu Setting Instr
65. y on the screen when set for alternate trigger red CH 1 yellow CH2 Alternate trigger menu display is shown as Fig33 Fig34 45 User s Manual of OWON Colour Digital Storage Oscilloscope Fig33 Alternate edge trigger menu Fig34 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 CH1 measurement 10K Hz sine wave CH2 measurement a video signal Alternate trigger set steps are as follows 1 2 3 4 5 6 7 8 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 Press the F3 menu selection button and display 0 5div of Sensitivity CH1 trigger complete set Press the F1 menu selection button and return to the first level menu 46 User s Manual of OWON Colour Digital Storage Oscilloscope 10 11 12 13 14 Press F2 menu selection button and choose CH2 for source Press F3 menu selection button and choose video for type Press F4 menu selection button and choose normal for polarity Press F5 menu selection button and choose ne

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