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User’s Manual of 

OWON

 Color Mixed Signal Digital Storage Oscilloscope

 

 

OWON  

 

 

 

MSO7102T  

 

Portable Mixed Signal Digital Storage Oscilloscope   

 

 

 

User’s Manual 

 

 

 

 

 

 

 

WWW.OWON.COM.CN  

   

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Summary of Contents for MSO7102T

Page 1: ...User s Manual of OWON Color Mixed Signal Digital Storage Oscilloscope OWON MSO7102T Portable Mixed Signal Digital Storage Oscilloscope User s Manual WWW OWON COM CN 1 ...

Page 2: ...ve 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 5F B Area Chuangxin Plaza Softw...

Page 3: ...losses including loss of data whether arising from breach of warranty or based on contract tort reliance or any other theory its total liability is limited to repair or replacement of the product All replaced parts modules and products become the property of Lilliput Lilliput authorized dealer shall extend this warranty on new and unused products to end user customers only but have no authority to...

Page 4: ...w to Implement Auto calibration 20 Introduction to the Vertical System 20 Introduction to the Horizontal System 21 Introduction to the Trigger System 22 Logic Analyzer 24 LA input connection 24 User interface introduction 24 How to acquire data 25 How to observe and analyze the data 26 Display systems 26 Trigger system 28 Threshold voltage system 29 Sampling system 29 Advanced User Guidebook 31 Di...

Page 5: ...ice to storage 90 How to search 90 How to review setting info 94 How to use cursor measurement 94 How to set Utility 97 Demonstration 98 Example 1 Measurement of Simple Signals 98 Example 2 Gain of the Amplifier in the Metering Circuit 99 Example 3 Capture the Single Signal 101 Example 4 Analyze the Details of a Signal 103 Example 5 Application of X Y Function 105 Example 6 Video Signal Trigger 10...

Page 6: ... to the ground It requires guarantee that this product has been already grounded correctly before any connection with its input or output terminal Pay attention to the nominal values of all terminals In order to prevent any fire or electric shock risks please pay attention to all the nominal values and marks of this product Before implement any connections for this product please read the user s m...

Page 7: ...nditions and actions which may cause damage to this product or other property Terms on the product The following terms may appear on this product Danger It indicates that there may be an immediate injury to you when you encounter this mark Warning It indicates that there may not be an immediate injury to you when you encounter this mark Note It indicates that there may be damage to this product or...

Page 8: ...to more 42V peak 30Vrms or on circuits of more than 4800VA z Only use accessory insulated voltage probes test lead z Before use inspect oscilloscope probes accessories for mechanical damage and replace when damage z Remove all probes test leads and accessories that are not in use z Remove computer data line z Do not apply input voltages above the rating of the instrument Use caution when using 1 1...

Page 9: ...d call out of waveforms z Automatic setting function provided capable of fast setting z Multiple waveform calculation function z Implementation of detecting the average and peak values of the waveform z Digital real time oscilloscope z Edge video and alternate triggering function z RS232 or USB communication ports z Different continuous displaying time z User interface in two languages for the use...

Page 10: ...ral inspection z How to implement the function inspection z How to make a probe compensation z How to set the probe attenuation coefficient z How to use the probe safely z How to implement an auto calibration z Introduction to the vertical system z Introduction to the horizontal system z Introduction to the trigger system Logic Analyzer z User interface introduction z How to acquire data z How to ...

Page 11: ...e MSO series mixed oscilloscope in the shortest time The MSO series mixed 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 butto...

Page 12: ...isplay area 3 Control key and knob area 4 U slot 5 LA signal input 6 DSO signal input 7 Measurement signal output 8 Power and charging indication Green light indicate AC supply and battery full charged yellow light indicate under charging Fig 2 Keys Overview 1 Menu option setting F1 F5 12 ...

Page 13: ... Div knob control voltage scale of CH1 CH2 For LA CH1 menu CH2 menu Wave math keys and CH2 Volts Div knob are idle CH1 Vertical CH2 Vertical to adjust the M1 M2 position in Cursor menu when cursor display is on CH1 Volts Div 5 Horizontal control area with 2 knob and 1 key For DSO Horizontal position knob control trigger position Volts Div control time base Horizontal menu key refer to horizontal s...

Page 14: ... OWON Color Mixed Signal Digital Storage Oscilloscope Digital Storage Oscilloscope User interface introduction Fig 3 Illustrative Drawing of Display Interfaces 1 The Trigger State indicates the following information 14 ...

Page 15: ...ontal trigger position and the screen centre line which equals 0 in the screen center 5 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 6 It indicates the current function menu 7 It indicates the operation options for the current function menu which changes with the function menus 8 The purple poin...

Page 16: ... 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...

Page 17: ...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 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 ...

Page 18: ...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...

Page 19: ...vered 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 1X and 10X see Fig 7 Fig 7 Attenuation Switch 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 th...

Page 20: ...l probes or wires should be disconnected with the input connector first Then press the 8 UTILITY button to call out the FUNCTION menu push down the F3 menu selection button to choose the option Do Self Cal finally run the program after confirming that everything is ready now Introduction to the Vertical System Shown as Fig 9 there are a series of buttons and knobs in VERTICAL CONTROLS The followin...

Page 21: ...displayed in the status bar at the bottom of the waveform window you can determine any changes in the channel vertical scale factor z 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 z Press buttons of CH1 MENU CH2 MENU and MATH MENU the operatio...

Page 22: ...ORIZONTAL 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 HORIZO...

Page 23: ... 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 si...

Page 24: ...nalyzer LA input connection Insert the plug of OL 16 LA module 50P into the LA signal input on front panel and fix two screw Then 16 channel clamp of OL 16 LA connect to target singal and ready for measurement User interface introduction Fig12 User interface of logic analyzer 24 ...

Page 25: ... value indicate trigger position for next sampling in storage area 18 Red square indicate the current sampling data position in storage area 19 Red scale line indicates the time base width in sampling data display area and totally 4 8 divisions The width between two long scale lines is 1 division and between short scale lines are 0 1 divisions How to acquire data When you start to acquire LA begin...

Page 26: ...ble is low clock data and clock frequency is 1M data width is 32 digits every clock corresponds to one data Signal voltage is 3 3V Display systems We need only three channels as what we measure is 3 signals And other channel and bus can be off In this way the display resolution in using channel will be increased Display system mainly to set on off for measure channel We use CH00 CH01 CH02 as measu...

Page 27: ...User s Manual of OWON Color Mixed Signal Digital Storage Oscilloscope Fig 13 Fig 14 27 ...

Page 28: ... as trigger source and trigger mode as falling edge trigger position in 50 Trigger system setting steps as below 1 Press Trig menu and menu appears 2 Press F1 till trigger mode display as Edge 3 Press F2 or turn CH1 Volts Div till trigger sources display as CH00 4 Press F3 till trigger type display as Falling 5 Turn Trigger adjust knob or press SET 50 till NEXT T POS window display as 50 Then trig...

Page 29: ...we set threshold voltage as LVCMO3 3 1 7V as below steps 1 Press 1 Threshold key and the menu appears 2 Press F1 key till Channel display as CH00 CH03 3 Press F2 key till threshold display as LVCMOS3 3 1 7V Then the threshold setting is finished ref to fig 17 Fig 17 Sampling system The waveform accuracy reverts from sample data depend on sample rate for measured signals The waveform reverted in LA...

Page 30: ... a word sample rate are quicker then the continuance for recorded signal will get smaller but with better resolution Sampling system can set difference sample rate and storage depth We use 10 times sampling rate to measure the signal clock frequency of 1M and storage depth set as Normal Sampling system setting steps as below 1 Press E ACQUIRE and menu appears 2 Press F1 or turn CH1 Volts div knob ...

Page 31: ... Chapter One Junior Users Guidebook This chapter will deal with the following topics mainly Digital Storage Oscilloscope z How to Set the Vertical System z How to Set the Horizontal System z How to Set the Trigger System z How to Implement the Sampling Setup z How to Set the Display System z How to Save and Recall Wave Form z How to Implement the Auxiliary System Function Setting z How to Implemen...

Page 32: ...scilloscope How to Set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1 MENU CH2 MENU and MATH MENU and four knobs such as VERTICA POSITION VOLTS DIV one group for each of the two channels Setting of CH1 and CH2 Every channel has an independent vertical menu and each item is set respectively based on the channel With the CH1 MENU or CH2 MENU menu button pushed down...

Page 33: ... reading accurate Inverted OFF ON The wave form is displayed normally 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...

Page 34: ...the Channel 1 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 F3 menu selection button and select the Channel as OFF with Channel 1 switched off 3 Press F3 menu selection button again select the channel as ON with Channel 1 is switched on 4 Regulate the Attenuation Ratio of the Probe In order to match the attenuation coeffi...

Page 35: ...ccess CH1 SETUP menu 2 Press the F4 menu selection button and select 10X for the probe The Figure 23 illustrates the setting and the vertical scale factor when the probe of the attenuation coefficient of 10 1 is used Fig 23 Regulation of the Attenuation Ratio of the Probe A List of the Attenuation Coefficient of Probes and the Corresponding Menu Settings Attenuation Coefficient of the Probe Corres...

Page 36: ...h 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 F5 menu selection button and select ON in the Inverted The wave form inverted function is initiated 3 Press the F5 menu selection button again and select OFF for Inverted item The function of wave form inverted is closed off For the scre...

Page 37: ...User s Manual of OWON Color Mixed Signal Digital Storage Oscilloscope Fig 24 Wave Form not inverted Fig 25 Wave Form Inverted 37 ...

Page 38: ...tion 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 26 Fig 26 Wave Form resulted from CH1 CH2 Mathematical Mani...

Page 39: ...esulted 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 ...

Page 40: ...TION 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 scree...

Page 41: ...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 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...

Page 42: ...n Time Base Set Window 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 30 42 ...

Page 43: ...tton and choose Zone Window As a result the window area defined by two cursors will be expanded to the full screen size see Fig 31 Fig 31 Zone Window How to set trigger system Trigger is to determine when DSO starts to acquire data and waveform display Once trigger to be set correctly then it will convert the unstable display to meaning 43 ...

Page 44: ... include 1 knob and 4 menu keys Trigger level trigger level knob to set signal voltage correspond to trigger point SET 50 set trigger level in middle vertical point of trigger signal voltage range Force trig Force to a trigger signal and mainly to use in Normal and Single mode SET Zero Trigger horizontal position set to Zero Trig menu Press this key and panel display menu refer to Fig 32 Fig 32 Tr...

Page 45: ... 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 ...

Page 46: ...ndition then stop Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow high frequency of signal pass and only low frequency portion pass Not allow low frequency of signal pass and only high frequency portion pass Follow up below step to set CH1 as rising slope edge trigger and trigger mode is auto coupling is DC 1 Press Trig menu 2 Press F1 to choose type as Single 3 ...

Page 47: ...User s Manual of OWON Color Mixed Signal Digital Storage Oscilloscope Fig 34 Edge trigger Rising Wave the first menu Fig 35 Edge trigger Rising Wave the second menu 47 ...

Page 48: ...xt trigger Ext trigger divide to 5 to extend trigger level range Mode Video Sync Line Field Odd Field EvenField Designed Line Synchronic trigger in video line Synchronic trigger in video field Synchronic trigger in video odd filed Synchronic trigger in video even field Synchronic trigger in designed video line to Next menu Back to previous menu Modulation NTSC PAL SECAM Video modulation setting Fo...

Page 49: ...torage Oscilloscope 4 Press F3 to choose mode as Video 5 Press F4 to choose synchronization as Line refer to Fig 37 5 Press F5 to Next menu 6 Press F2 to chose modulation as NTSC refer to Fig 38 Fig 37 Video field trigger Oscillogram the first menu 49 ...

Page 50: ...ernate trigger Trigger signal come from two vertical channels with alternate trigger This mode is to observe two unrelated signals It is able to set different trigger mode edge or video for different channels in the menu Two trigger vertical position indexes red for CH1 and yellow for CH2 will displayed in alternate trigger 50 ...

Page 51: ... type as Alternate 3 Press F2 and choose source as CH1 4 Press F3 to choose mode as Edge 5 Press F4 to choose slope as Rising 6 Press F5 to choose Next menu 7 Press F2 to choose trigger mode as Auto 8 Press F3 to choose coupling as DC CH1 trigger setting finished 9 Press F1 to choose Previous menu 10 Press F2 to choose source as CH2 11 Press F3 to choose mode as Video 12 Press F4 to choose sync as...

Page 52: ...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 How to Implement Sampling Setup Press the ACQUIRE button and the menu is displayed in the screen shown as Fig 41 Fig 41 ACQU MODE Menu 52 ...

Page 53: ... 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 64 128 Choose the number of averages Change the ACQU Mode settings and observe the consequent variation of the wave form displayed Fig 42 Peak Detect mode under which the burrs on the falling edge of the square wave can ...

Page 54: ...ixed Signal Digital Storage Oscilloscope Fig 43 Common ACQU Mode display in which no burr can be detected Fig 44 The displayed wave form after the noise is removed under the Average Mode in which the average number of 16 is set 54 ...

Page 55: ...in the display is filled with the vector form Only the sampling points are displayed Persist OFF 1sec 2sec 5sec Infinite Set the persistence time for each sampling point Format YT XY Show the relative relation between the vertical voltage and the horizontal time Channel 1 is displayed on the horizontal axis and Channel 2 on the vertical axis Carry Bitmap Vectors The data transmitted in communicati...

Page 56: ...illoscope 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 46 and Fig 47 Fig 46 Display in the Vector Form 56 ...

Page 57: ...loscope 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 48 Fig 48 Infinite Persistence Display 57 ...

Page 58: ...perations of all control knobs are as follows The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel 1are 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 contro...

Page 59: ...scription Source CH1 CH2 MATH Choose the wave form to be saved WAVE A B C D Choose the address in or from which the waveform is saved or can be get access to Save Save the wave form of the source in the selected address CHA OFF ON Switch on or off the display of the stored waveform Save and Recall the Wave Form The MSO series oscilloscope can store four waveforms which can be displayed with the cu...

Page 60: ...n button and choose A as save address 3 Press the F3 menu selection button and save the waveform 4 Press the F4 menu selection button and choose ON for CH A 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 51 Fig 51 Wave Saving 60 ...

Page 61: ...ating system Do Self Cal Self Calibration The self calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent If the change of the ambient temperature is up to or exceeds 5 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...

Page 62: ...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 othe...

Page 63: ... Vtop and Vbase of a waveform Vtop Voltage of the waveform s flat top useful for square pulse waveforms Vbase Voltage of the waveform s flat base useful for square pulse waveforms Overshoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Average The arithmetic mean over the entire waveform Vrms The true Root ...

Page 64: ...le defined as Width Period Duty Duty Cycle defined as Width Period 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 Period Mean PK PK and Cyc RMS The menu is displayed as Fig 55 Fig 55 Measure Menu Measure Four automatic measured values can be detected on each channel simultaneously ...

Page 65: ...e Source 2 Press the F2 menu selection button and choose CH1 3 Press the F3 menu selection button and choose CH1 4 Press the F4 menu selection button and choose CH2 5 Press the F5 menu selection button and choose CH2 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 sel...

Page 66: ...nt 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 57 Fig 57 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table Function Menu Setting Description 66 ...

Page 67: ...ment 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 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 p...

Page 68: ...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 CURSOR1 and CURSOR2 according to the measured waveform with the period and frequency of Cursor1 and Cursor 2 displayed in the increment window The current position of Cursor1 i...

Page 69: ...illoscope 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 the proper division Bandwidth Full Horizontal Level Middle Horizontal Sale Adjust to the proper division Trigger Type Current Trigger Source Show the minimum number of channel...

Page 70: ...horizontal time base of the waveform can be adjusted within a certain range in other words the signal can be expanded in the horizontal or vertical direction When the horizontal time base equal to or is less than 50ms the horizontal time base can be expanded for 4 divisions downwards U DISK COPY Press this button the displayed waveform can be copied into the USB flash disk 70 ...

Page 71: ...th the higher sample rate set the shorter the continuance time for signal will be If the sample rate set too low narrower pulse signal may get lost So the sample rate and storage depth should be set correctly according to the actual measuring signal Press E ACQU and display menu as the figure 60 Fig 60 Sampling menu Sample menu function list Function Setting Instruction Sample rate In sequence of ...

Page 72: ...mory General Deep memory 160 us 2 560 ms 40 ms 10kHz Low memory General Deep memory 1 6 s 25 6 s 400 s 50MHz Low memory General Deep memory 320 us 5 12 ms 80 ms 5kHz Low memory General Deep memory 3 2 s 51 2 s 800 s 20MHz Low memory General Deep memory 800 us 12 8 ms 200 ms 2kHz Low memory General Deep memory 8 s 128 s 2000 s 10MHz Low memory General Deep memory 1 6 ms 25 6 ms 400 ms 1kHz Low memo...

Page 73: ...ACQUIRE and sample menu appears 2 Press F1 repeatly or turn CH1 Volts div knob till sample rate set as 100M 3 Press F2 till storage depth display as Deep Memory 4 Press F3 till digital filter display as None Then sample system setting finished refer to fig 61 Fig 61 Sampling setting How to set trigger system Trigger system including Trigger level adjust knob Trigger menu SET 50 Set to Zero Trig le...

Page 74: ...ce Slope Rising Falling Either Trigger on the rising edge Trigger on the falling edge Trigger either on rising edge or falling edge For example to measure a 3 lines SPI signal which includes enable clock and data The data get into effective when enable is low voltage We use CH00 CH01 CH02 to measure the data CH00 to measure enable signal CH01 and CH02 to measure clock and data Trigger setting step...

Page 75: ... trigger source and make data on BUS as the trigger condition to make trigger BUS trigger menu refer to Fig 64 Fig 64 Bus trigger menu Bus trigger menu as below Function Setting Instruction Source BUS0 BUS3 BUS0 to BUS3 can be set as trigger source Code 0x0000 0xffff Can be set discretionarily between 0x0000 and 0xffff 75 ...

Page 76: ...rigger setting steps as below A Press Trigger menu and menu appears B Press F1 till trigger mode display as Bus C Press F2 till signal source display as BUS0 D Press F3 and data in code type as red background and green digital indicator on then insert data value 18 and set code as 0X18 Press F3 again and red background disappeared Repeat operation of step D if setting error or need to be modified ...

Page 77: ... occur Trigger occur when signal on the low level Trigger occur when signal on the high level To observe the 16 channel data need to know how data changed before and after when BIT0 BIT3 STATE is 0111 A Press Trigger menu and menu appears B Press F1 till trigger mode display as Pattern C Press F2 or turn CH1 Volts div knob till CH SEL display as CH00 D Press F3 till F3 window display as CH00 High ...

Page 78: ...or data acquisition Fig 67 Pattern trigger 4 Sequential queue trigger make BUS as trigger source and continuous setting data in BUS as trigger condition to generate trigger and also can set 8 data at the same time See Fig 68 Fig 68 Sequential queue trigger Sequential queue trigger function as below Function Setting Instruction 78 ...

Page 79: ...s F1 till trigger mode display as Sequential Queue C Press F2 till signal source display as BUS0 D Press F3 and data in code type as red background and green digital indicator on then insert data value 0X9999 and set code as 0X9999 Press F3 again and red background disappeared Repeat operation of step D if setting error or need to be modified E Press F4 and add setting value into the trigger queue...

Page 80: ...ue trigger menu refer as Fig 70 Fig 70 Distributed queue trigger menu Distributed queue trigger function as below Function Setting Instruction Source BUS0 BUS3 Select the trigger source from BUS0 BUS3 Code 0x0000 0xffff HEX 0 65535 DEC Can be set discretionarily between 0x0000 and 0xffff HEX or between 0 and 65535 DEC according to the bus and code setting Add Add the code type to the queue Delete ...

Page 81: ...S as trigger condition to generate trigger Duration trigger menu refer to Fig 72 Fig 72 Duration trigger menu Duration trigger function as below Function Setting Instruction Source BUS0 BUS3 Select the trigger source from BUS0 BUS3 Code 0x0000 0xffff HEX 0 65535 Can be set discretionarily between 0x0000 and 0xffff HEX or between 0 and 65535 DEC according to the bus and code setting 81 ...

Page 82: ...ement channels and sample rate as 100M trigger setting as duration trigger Setting steps as below A Press Trigger MENU and menu appears B Press F1 till trigger mode display as Data Width C Press F2 till signal resource display as BUS0 D Press F3 and data in code type as red background and green digital indicator on then insert data value 0X99 Press F3 again and red background disappeared Repeat op...

Page 83: ...ting is quite important because wrong setting will result in wrong measurement For example if measure signal is LVCMOS1 8V and set threshold as CMOS 2 5V then all the measurement data will become 0 Threshold setting menu refer to Fig 74 Fig 74 Threshold setting menu Threshold menu function as below Function Setting Instruction 83 ...

Page 84: ...ge 0 4 09V forward by 0 01V pace In custom the voltage can be set from 0V to 4 09V with the pace of 0 01V For example Measure a batch of CMOS voltage data signal in channel of CH00 CH03 and a batch of 1V voltage data in CH04 CH07 Threshold voltage setting steps as below A Press 1 threshold and menu appears B Press F1 till channel source display as CH00 CH03 C Press F2 to choose threshold as CMOS 2...

Page 85: ...r Channel off contrast Increase Increase panel display contrast contrast Decrease Decrease panel display contrast For example display channel as CH00 CH03 and BUS as BUS0 other channels and BUS all off Follow up below steps 1 Press A DISPLAY and display menu appears 2 Press F1 till signal source display as BUS 3 Press F2 till BUS No display as BUS0 4 Press F3 to choose signal display as ON 5 Press...

Page 86: ...iv knob till channel display as CH04 12 Press F3 to choose signal display as OFF 13 Repeat operation of steps 8 9 and set CH05 CH0F all as OFF Channel display setting finished refer to Fig 77 Fig 77 Display setting How to set BUS LA includes four groups BUS BUS0 BUS3 Every group can cover any channel even all channels BUS menu display as Fig 78 Fig 78 Bus menu 86 ...

Page 87: ...pe and measured value are HEX All of the code type and measured value are DEC For example to set BUS0 as BUS to include CH00 CH01 CH02 CH03 and code as hex system Follow up as below 1 Press 0 BUS to and BUS menu appears 2 Press F1 till BUS display as BUS0 3 Press F2 or turn CH1 Volts div knob till channel display as CH00 4 Press F3 and set CH00 as Include Then Channel CH00 refer to display of 1 5 ...

Page 88: ...ly in measurement window BUS0 include CH00 CH03 BUS1 include CH00 CH07 BUS2 include CH00 CH0B BUS3 include CH00 CH0F 4 BUS auto measurement display as Fig 80 Fig 80 Bus measurement How to save and recall Use the storage menu to save or recall waveforms and setting The storage depth of waveform for sampling storage is normal 256K and low storage 16K And it can be divided into 4 groups Memory settin...

Page 89: ... in designated No Recall Recall waveform setups in designated No For example to set WAVE 0 in memory ID to save current waveform and setting 0 to save current setting Follow up below steps 1 Press C SAVE REL after data acquisition finished and storage menu appears 2 Press F1 till storage display as Waveform 3 Press F2 till memory ID Display as Waveform 0 4 Press F3 to save current display waveform...

Page 90: ...to the USB device And the waveform storage in USB device can be analyzed in computer with MSO waveform analyzes software How to search Searches have different operation according to different targets Search target including trigger position BUS value and pattern 1 Search triggers position as following steps A Press 2 SEARCH and menu appears B Press F1 till target display as Trig position C Press F...

Page 91: ...8 values in BUS0 A Press 2 SEARCH and menu appears B Press F1 till target display as BUS C Press F2 till BUS SEL as BUS0 D Press F3 and choose Code Type value under displayed with red background and green digital indicator in the panel is on Then insert the value of 18 by digital key in the panel to get start E Press F3 again and red background for value under code is disappeared and value setting...

Page 92: ...ttern in this channel The signal pattern in this channel is low The signal pattern in this channel is high Previous Search the matched value prior to current cursor Next Search the matched value after the current cursor For example follow up below steps to search signal complex of 00000000000010X1 A Press 2 SEARCH and menu appears B Press F1 till target display as Pattern C Press F2 or turn CH1 Vo...

Page 93: ...orage Oscilloscope cursor Cursor will stop in this code if it has and info window show Got the target and if it hasn t it will show Search failed G Press F5 and choose Next to search matched signal complex after current cursor Fig 85 Search Code type 93 ...

Page 94: ...rmation display to be On or OFF by press INFO key System information includes all settings for acquired waveform and next acquisition Fig 86 System info How to use cursor measurement You can measure manually the time difference between two either data in display or position difference in memory area by cursor measurement 94 ...

Page 95: ... measure data pulse frequency in CH00 with cursor measurement 1 Press 9 CURSOR and cursor menu appears 2 Press F1 till cursor display as Time Two purples vertical lines display in panel and refer to Cursor 1 and Cursor 2 separately 3 Turn CH1 POSITION knob and set Cursor 1 position in falling edge of CH00 4 Turn CH2 POSITION knob and set Cursor 2 position in next falling edge of CH00 5 Now the tim...

Page 96: ...SOR and Cursor menu appears 2 Press F1 till cursor display as Position Two purples vertical lines display in panel and refer to Cursor 1 and Cursor 2 separately 3 Turn CH1 POSITION knob and set Cursor 1 position in falling edge of CH00 4 Turn CH2 POSITION knob and set Cursor 2 position in next falling edge of CH00 5 Now the position difference between two cursors display in F2 is 10 which means th...

Page 97: ... Language Carry Utility menu as below Function Setting Instruction Recall factory Default setting for LA Language Chinese English Default to be Chinese Default to be English Carry Vector BMP Set data format to be vector and loading data display with Bin format Set data format to be BMP and loading data display with BMP format 97 ...

Page 98: ...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 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...

Page 99: ... oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end Operation Steps 1 Push down the AUTOSET button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state 2 Push down the MEASURE button to show the MEASURE menu 3 Press the F1 menu selection button and choose Source 4 Press the F2 menu selection but...

Page 100: ...F2 menu selection button and choose Pk Pk 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 91 11 Calculate the amplifier gain with the following formulas Gain Output Signal Input signal Gain db 20 log gain Fig 91 Wave Form of Gain Measurement 100 ...

Page 101: ...ss the F1 menu selection button and choose Single as the type 7 Press the F3 menu selection button and choose Edge as the mode 8 Press the F4 menu selection button and choose Rising as the slope 9 Press the F5 menu selection button to next menu 10 Press the F2 menu selection button and choose Single as the trigger mode 11 Rotate the LEVEL knob and adjust the trigger level to the mid value of the s...

Page 102: ...User s Manual of OWON Color Mixed Signal Digital Storage Oscilloscope occurs see Fig 92 Fig 92 Capture the Single Signal 102 ...

Page 103: ... 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 93 Fig 93 Wave Form of the Signal Containing N...

Page 104: ...E 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 94 F...

Page 105: ...itch 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 6 Push down the DISPLAY button and recall the DI...

Page 106: ...s that is in the range of 0 π 2 or 3π 2 2π 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 π 2 π or π 3π 2 Example 6 Video Signal Trigger Observe the video circuit of a television apply the video trigger and obtain the stable video output signal display Video Field Trigger For the tr...

Page 107: ...or 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 Single for Type 3 Press the F2 menu selection button and choose choose CH1 for Source 4 Press the F3 menu selection button and choose Video for type 5 Press the F4 menu selection button and choose Line for Sync...

Page 108: ...User s Manual of OWON Color Mixed Signal Digital Storage Oscilloscope Fig 97 Wave Form Obtained from the Video Line Trigger 108 ...

Page 109: ...e 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 z Check whether the Source item in the TRIG MODE menu is in conformity with the signal cha...

Page 110: ...the Auto calibration procedure All specification standards can be fulfilled except one s marked with the word Typical Digital Storage Oscilloscope Performance Characteristics Model Name MSO7102T Bandwidth 100MHz Channel 2 1 External Acquisition Mode Normal Peak detect Averaging Sample rate real time 1GS s half channel 500MS s each channel Input Input coupling DC AC Ground Input impedance 1MΩ 2 in ...

Page 111: ...BNC Displacement 1V 5mV 50mV 10V 100mV 1V 100V 2V 10V Analog bandwidth 100MHz Single bandwidth Full bandwidth Low Frequency 5Hz at input AC coupling 3dB Rise time 3 5 ns at input Typical DC accuracy 3 DC accuracy average Average 16 3 rdg 0 05 div for V Trigger Type Edge Rising Falling Video Line synchronization Field synchronization Odd field Even field Any line Edge trigger Sensitivity 0 3div Sou...

Page 112: ... 2V Signal system NTSC PAL SECAM any frequency Alternate trigger CH1 trigger Edge Video CH2 trigger Edge Video Measurement Cursor V and T between cursors Automatic Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Period Rise Time Fall Time Delay1 2 Delay1 2 Width Width Duty Duty Waveform Math Invert Waveform storage 4 waveforms Lissajou s figure Bandwidth 100 MHz Phase difference 3 ...

Page 113: ...ger data alignment trigger data width trigger Data Search Support Data System Binary system Decimal system Hex Digital Filter 0 1 2 optional Setting storage Support USB storage Support General Technical Specifications Display Display Type 8 Colored LCD Liquid Crystal Display Display Resolution 640 Horizontal 480 Vertical Pixels Display Colors 65536 colors TFT screen Backlight 380 cd m2 Language Si...

Page 114: ... 250V Environment Temperature Working temperature 0 40 Storage temperature 20 60 Relative Humidity 90 Height Operating 3 000 m Non operating 15 000 m Cooling Method Natural convection Mechanical Specifications Dimension 350mm 157mm 120mm Weight 2 2 kilogram Interval Period of Adjustment One year is recommended for the calibration interval period 114 ...

Page 115: ... Caution The instrument or probe should not be stained with the spraying agent liquid and solvent to avoid any damage to it Cleaning Check the probe and instrument regularly according to their operating state Clean the external surface of the instrument following the steps shown below 1 Please wipe the dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the tra...

Page 116: ...s already been dried completely avoiding any electrical short circuit or bodily injury resulting form the moisture Appendix D Battery Using Guide 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 116 ...

Page 117: ...ent power consumption and when shows it means the power can only supply for 5 minutes maximum Note To avoid superheat of battery during charging the environment temperature is not allowed to exceed the permissible value given in technical specification Replacing the Lithium Battery Unit It is usually not required to replace the battery unit But when it is required to replace it only qualified pers...

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