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User Manual of

OWON

Color Mixed Signal Digital Storage Oscilloscope

66

+Duty:

+Duty Cycle, 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.5-43

.

Fig.5-43

Measure Menu

Measure

Four automatic measured values can be detected on each channel simultaneously.
Only if the waveform channel is in the ON state can the measurement be carried out.
No automatic measurement can be made in the following situation: 1) on the saved
waveform. 2) on the mathematical waveform. 3) on the XY format. 4) on the Scan
format.

Measure the frequency, the peak-to-peak value of the Channel CH1 and the mean, the
RMS of the Channel CH2, following below steps:

1.

Press the F1 menu selection button and choose 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

.

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Summary of Contents for MSO series

Page 1: ...MSO Series Portable Mixed Signal Digital Storage Oscilloscope User Manual MSO7102TD MSO8102T MSO8202T WWW OWON COM CN ...

Page 2: ...he information in this manual was correct at the time of printing However Lilliput will continue to improve products and reserves the rights to changes specification at any time without notice OWON is the registered trademark of the Lilliput Company Xiamen Lilliput Technology Co Ltd the 5th floor B Area Chuangxin Mansion Software Park ZhenZhuWan Huandao RD Xiamen Fujian China Fujian Lilliput Optoe...

Page 3: ...product to the service center designated by Lilliput and with a copy of customer proof of purchase This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Lilliput shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Lilliput representatives to ins...

Page 4: ...Probe Safely 16 How to Implement Auto calibration 16 Introduction to the Vertical System 16 Introduction to the Horizontal System 18 Introduction to the Trigger System 19 4 3Logic Analyzer 20 LA input connection 20 User interface introduction 20 How to acquire data 21 How to observe and analyze the data 21 Display systems 22 Trigger system 23 Threshold voltage system 24 Sampling system 25 5 Advanc...

Page 5: ...se USB flash disk to storage 93 How to search 94 How to review setting info 96 How to use cursor measurement 97 How to set Utility 99 6 Demonstration 100 Example 1 Measurement of Simple Signals 100 Example 2 Gain of the Amplifier in the Metering Circuit 101 Example 3 Capture the Single Signal 102 Example 4 Analyze the Details of a Signal 104 Example 5 Application of X Y Function 105 Example 6 Vide...

Page 6: ...roduct 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 manual of this product to understand the informat...

Page 7: ...his 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 other property Symbols on the product The follo...

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 ...

Page 9: ...ay of high resolution and high contrast with adjustable back light z Storage and call out of waveforms z Automatic setting function provided capable of fast setting z Multiple waveform calculation function z Built in FFT function z Implementation of detecting the average and peak values of the waveform z Digital real time oscilloscope z Edge video alternate pulse and slope triggering function z RS...

Page 10: ...pection 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 observe...

Page 11: ...d 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...

Page 12: ...FFT operation when the mode is FFT For LA cursor knob to adjust current cursor position and info key to loading setting info for acquired waveform and current waveform 3 Function key area For DSO 0 5 keys are idle and 6 F refer to different DSO function menu For LA 3 4 5 6 7 refers to figure and other keys refer to digit or function menu 4 Vertical control area It s including 3 keys and 4 knobs Fo...

Page 13: ... Div control time base Horizontal menu key refer to horizontal system setting menu For LA Horizontal menu key is idle Horizontal position knob to adjust the position of value displayed currently quickly Sec Div knob to adjust value resolution displayed currently 6 Trigger control area with 4 keys and 1 knob For DSO Trig adjust knob is to adjust trigger voltage Other four keys refer to trigger syst...

Page 14: ...ready 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 2 Waveform Viewing Area 3 The purple ...

Page 15: ...he main time base set value 14 The two yellow dotted lines indicate the size of the viewing expanded window 15 The icon shows the coupling mode of the CH2 channel indicates the direct current coupling indicates the AC coupling indicates GND coupling 16 The reading shows the vertical scale factor the Voltage Division of the CH2 channel 17 The icon indicates the coupling mode of the CH1 channel The ...

Page 16: ...ppendix 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 instrum...

Page 17: ...p 2 and Step 3 How to Implement the Probe Compensation When connect the probe with any input channel for the first time make this adjustment to match the probe with the input channel The probe which is not compensated or presents a compensation deviation will result in the measuring error or mistake For adjusting the probe compensation please carry out the following steps 1 Set the attenuation coe...

Page 18: ...e 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 Note The attenuation coefficient of the probe in ...

Page 19: ...the power supply Before making any measurements please connect the probe to the instrument and connect the ground terminal to the earth How to Implement Auto calibration The auto calibration application can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement value You can carry out this application program at any time but when the range of variation of...

Page 20: ...nce 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 determin...

Page 21: ...d it can be found that the Horizontal Time Base display in the status bar changes accordingly The horizontal scanning speed steps from 2 ns up to 100s in the sequence of 1 2 5 MSO7102TD MSO8102T 1 ns up to 100s in the sequence of 1 2 5 MSO8202T 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 t...

Page 22: ... 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 verti...

Page 23: ... position in current cursor 3 Battery powers indicate indicate battery power when battery inside 4 Decimal system value indicate the position of current cursor in storage area 5 Yellow dashed line indicates current cursor 6 Blue dashed line indicates current trigger position 7 Percentage value indicate current trigger position in storage area 8 Sample data area indication red for bus blue and gree...

Page 24: ...lue and to allow post trigger portion of the acquisition memory to fill before data acquisition stops Press F to get into data acquisition mode after finish setting for trigger and sampling Then running status display as RUN and running status display TRIG when detected trigger signal and display STOP when data acquisition finished Then you can start to analyze data Data acquisition can be stopped...

Page 25: ...sure channel correspond to signal enable clock data accordingly Other channel and bus is off 1 Press A DISPLAY and display menu appears 2 Press F1 till signal sources display as Channel 3 Press F2 or turn CH1 Volts Div knob till channel No display as CH00 4 Press F3 and set the signal sources as ON Repeat operation of steps 3 4 and set CH01 CH02 as ON and CH03 CHOF as OFF Refer to Fig 4 13 5 Press...

Page 26: ... make CH00 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...

Page 27: ...ting for normal logic voltage as CMOS LVMOS etc And you can set any trigger voltage using custom setting The signal voltage is 3 3V and 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 4 17 Fi...

Page 28: ...ixed and once adding sample rate then resolution will get better accordingly But it will decrease the continuance for acquire signal In 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 stora...

Page 29: ...User Manual of OWON Color Mixed Signal Digital Storage Oscilloscope 26 Fig 4 19 ...

Page 30: ...debook 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 Implement the Automatic Measurement z...

Page 31: ...ow 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 s...

Page 32: ...ke the vertical scale 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 ...

Page 33: ...Taking 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 F2 menu selection button and select the Band Limit as OFF 100MHz with Channel 1 Band Limit switched off 3 Press F2 menu selection button again select the Band Limit as ON 20MHz with Channel 1 Band Limit is switched on ...

Page 34: ...on 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 t...

Page 35: ...rm Inverted Wave form inverted the displayed signal is turned 180 degrees against the phase of the earth potential Taking the Channel 1 for example the operation steps are shown as follows 1 Press the CH1 MENU button and get access to the CH1 SETUP menu 2 Press the F5 menu selection button and select ON in the Inverted The wave form inverted function is initiated 3 Press the F5 menu selection butt...

Page 36: ...plementation of Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the additive multiplication division and subtraction operations between Channel 1 and Channel 2 and the FFT operation of CH1 or CH2 The corresponding FCL Functional Capabilities List of the Wave Form Calculation ...

Page 37: ...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 5 8 Fig 5 8 Wave Form resulted from CH1 CH2 Mathematical Manipulation Using FFT function An FFT breaks down signals into component frequencies which the oscilloscope uses to display a graph of the frequenc...

Page 38: ...tering FFT menu and please note that FFT is prohibited in Window setting mode The green waveform F is shown in the screen after calculation 4 Press F2 selection button to switch over source channel CH1 and CH2 5 Press F3 button to select WINDOW including Rectangle Hamming Hanning and Blackman 6 Press F4 to choose the Format as dB or Vrms 7 Press F5 to zoom in or out the wave of the multiple includ...

Page 39: ...ery good window for resolving frequencies that are very close to the same value with somewhat improved amplitude accuracy over the rectangle window It has a slightly better frequency resolution than the Hanning Use Hamming for measuring sine periodic and narrow band random noise This window works on transients or bursts where the signal levels before and after the event are significantly different...

Page 40: ...User Manual of OWON Color Mixed Signal Digital Storage Oscilloscope 37 Fig 5 9 Blackman window Fig 5 10 Hamming window ...

Page 41: ...e FFT waveform Use the default dBV RMS scale to see a detailed view of multiple frequencies even if they have very different amplitudes Use the linear RMS scale to see an overall view of how all frequencies compare to each other Signals that have a DC component or offset can cause incorrect FFT waveform component magnitude values To minimize the DC component choose AC Coupling ...

Page 42: ...mat in DISPLAY SET 4 SET 50 the triggering level at the vertical point of signal amplitude in Trigger setting 5 Autoscale 6 Measure 1 and Measure 2 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 contro...

Page 43: ...SITION 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 MENU button with this button pushed down the scr...

Page 44: ...ime base is used to display the wave form Set Window A window area is defined by two cursors This function is forbidden at the FFT mode disable 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 dis...

Page 45: ...tion 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 Press F2 menu button under the FFT mode it will notice FFT mode disable see Fig 5 16 Fig 5 16 Window Setting ...

Page 46: ...lection button and choose Zone Window As a result the window area defined by two cursors will be expanded to the full screen size see Fig 5 18 Fig 5 18 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 ...

Page 47: ...r types single trigger and alternate trigger Press F1 to choose Single trigger Use a trigger level to capture stable waveforms in two channels simultaneously Alternate trigger Trigger on non synchronized signals The Single Trigger and Alternate Trigger menus are described respectively as follows Single trigger Single trigger has four modes edge trigger video trigger pulse triggger and slope trigge...

Page 48: ...de Auto Normal Single Acquire waveform whatever detect trigger condition or not Only acquire waveform when match trigger condition Only acquire waveform for single time when detect trigger condition 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...

Page 49: ...chronic 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 Modulation NTSC PAL SECAM Video modulation setting Holdoff 100ns 10s Turn TRIG LEVEL knob to set time slot before another trigger event Holdoff Reset Reset hold time to 100ns Pulse Width Trigger Pulse trigger occurs a...

Page 50: ...ime setting 24ns 10s Turn TRIG LEVEL knob to set time Trigger mode Auto Normal Single Acquire waveform whatever detect trigger condition or not Only acquire waveform when match trigger condition Only acquire waveform for single time when detect trigger condition 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 f...

Page 51: ... Mode Slope When Set slope condition Settings 24ns 10s Turn TRIG LEVEL knob to set slope time High level Turn TRIG LEVEL knob to set the High level Low level Turn TRIG LEVEL knob to set Low level Slew rate Slew rate High level Low level Settings Trigger mode Auto Normal Single Acquire waveform whatever detect trigger condition or not Only acquire waveform when match trigger condition Only acquire ...

Page 52: ...ger Type Edge Menu Alternate trigger Trigger Type Edge Menu list MENU SETTING INSTRUCTION Source CH1 CH2 Select CH1 as the trigger source Select CH2 as the trigger source Mode Edge Set vertical channel trigger type for edge trigger Slope Rising Falling Trigger in signal rising edge Trigger in signal falling edge Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow hig...

Page 53: ...e trigger source Select CH2 as the trigger source Ext 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 Modulation NTSC PAL SECAM Video modul...

Page 54: ...Mode Pulse when pulse width less than pulse width more than Pulse width equal to Pulse width less than Pulse width more than Pulse width equal to To select pulse width condition settings 24ns 10s Turn TRIG LEVEL knob to set time 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 frequenc...

Page 55: ...g Edge and equal to Falling Edge and more than Negative pulse and less than Negative pulse and equal to settings 24ns 10s Turn TRIG LEVEL knob to set slope time High level Turn TRIG LEVEL knob to set the High level Low level Turn TRIG LEVEL knob to set Low level Slew rate Slew rate High level Low level Settings Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow high...

Page 56: ...ormal and Single z Auto This sweep mode allows the oscilloscope to acquire waveforms even when it does not detect a trigger condition If no trigger condition occurs while the oscilloscope is waiting for a specific period as determined by the time base setting it will force itself to trigger z Normal The Normal mode allows the oscilloscope to acquire a waveform only when it is triggered If no trigg...

Page 57: ... the menu is displayed in the screen shown as Fig 5 27 Fig 5 27 ACQU MODE Menu 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 o...

Page 58: ... Signal Digital Storage Oscilloscope 55 Fig 5 28 Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise is heavy Fig 5 29 Common ACQU Mode display in which no burr can be detected ...

Page 59: ... form after the noise is removed under the Average Mode in which the average number of 16 is set How to Set the Display System Push down the DISPLAY button and the menu displayed in the screen is shown as Fig 5 31 Fig 5 31 Display Set Menu The description of the Display Set Menu is shown as follows ...

Page 60: ...ltage and the horizontal time Channel 1 is displayed on the horizontal axis and Channel 2 on the vertical axis FFT mode disable Carry Bitmap Vectors The data transmitted in communication are in the bitmap form The data transmitted in communication are in the vector form Battery On Off Battery power content symbol on Battery power content symbol off Display Type With the F1 menu selection button pu...

Page 61: ...lloscope 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 5 34 Fig 5 34 Infinite Persistence Display ...

Page 62: ...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 control Trigger control Operation steps 1 Press the DISP...

Page 63: ...User Manual of OWON Color Mixed Signal Digital Storage Oscilloscope 60 Fig 5 36 Fig 5 36 FFT mode XY Format Disable ...

Page 64: ... 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 current waveform at the same time The stored waveform called out can not be adjusted In order to save ...

Page 65: ...e 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 5 38 Fig 5 38 Wave Saving Fig 5 39 FFT wave Saving ...

Page 66: ...perating 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 w...

Page 67: ...l 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 ot...

Page 68: ... pulse waveforms Vbase Voltage of the waveform s flat base useful for square pulse waveforms Overshoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Average The arithmetic mean over the entire waveform Vrms The true Root Mean Square voltage over the entire waveform Rise Time Time that the leading edge of th...

Page 69: ...n the measurement be carried out No automatic measurement can be made in the following situation 1 on the saved waveform 2 on the mathematical waveform 3 on the XY format 4 on the Scan format Measure the frequency the peak to peak value of the Channel CH1 and the mean the RMS of the Channel CH2 following below steps 1 Press the F1 menu selection button and choose Source 2 Press the F2 menu selecti...

Page 70: ...ured value will be displayed in the reading window automatically see Fig 5 44 Fig 5 44 Automatic Measurement How to Implement the Cursor Measurement Press the CURSOR button to display the cursor measurement function menu CURS MEAS in the screen the Cursor Measurement for normal model The cursor measurement includes Voltage Measurement and Time Measurement at normal model shown as Fig 5 45 ...

Page 71: ...q is read with reference to the horizontal trigger position and the Vamp is to the ground point Cursor 2 Read the position of Cursor 2 the Freq is read with reference to the horizontal trigger position and the Vamp is to the ground point 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...

Page 72: ...form of Voltage Cursor Measurement Carry out the following operation steps for the time cursor measurement of the channel CH1 1 Press CURSOR and recall the CURS MEAS menu 2 Press the F1 menu selection button and choose Time for Type with two purple dotted lines displayed along the vertical direction of the screen which indicating Cursor 1 and Cursor 2 3 Press the F2 menu selection button and choos...

Page 73: ...rsor Measurement for FFT model Press the CURSOR button to display the cursor measurement function menu CURS MEAS in the screen which includes Vamp Measurement and Freq Measurement at the mode of FFT shown as Fig 5 48 Fig 5 48 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table ...

Page 74: ... When carrying out the cursor measurement the position of Cursor 1 can be adjusted with the CURSOR1 VERTICAL POSITION knob of Channel 1 and that of Cursor 2 can be adjusted with the CURSOR2 VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the Vamp cursor measurement 1 Press CURSOR and recall the CURS MEAS menu 2 Press F1 and choose Vamp for Type with two purple dotted ...

Page 75: ...wo purple dotted lines displayed along the vertical direction of the screen indicating the corrersponding Cursor 1 and Cursor 2 3 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 is displayed in the Cursor1 window and that of Cursor2 is displayed in ...

Page 76: ...ale Turn on Autoscale Mode Vertical Horizontal HORI VERT Follow up and adjust vertical scale without changing horizontal setting Follow up and adjust horizontal scale without changing vertical setting Follow up and adjust the vertical and horizontal settings 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...

Page 77: ...ase 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 tu...

Page 78: ...int 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 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 ca...

Page 79: ... 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 Fig 5 52 Fig 5 52 Sampling menu Sample menu function list Function Setting Instruction Sample rate 20S s to 400MS s step as 1 2 5 Storage depth Low memory General Deep memory Storage depth of...

Page 80: ...0MHz Low memory General Deep memory 1 6 ms 25 6 ms 400 ms 1kHz Low memory General Deep memory 16 s 256 s 4000 s 5MHz Low memory General Deep memory 3 2 ms 51 2 ms 800 ms 500Hz Low memory General Deep memory 32 s 512 s 8000 s 2MHz Low memory General Deep memory 8 ms 128 ms 2 s 200Hz Low memory General Deep memory 80 s 1280 s 20000 s 1MHz Low memory General Deep memory 16 ms 256 ms 4 s 100Hz Low mem...

Page 81: ...enu SET 50 Set to Zero Trig level adjust knob is to adjust trigger position Since the digital storage depth is fixed so the proportion of storage data between pre trigger points and re trigger ones depend on trigger position Trigger mode including Edge trigger bus trigger pattern trigger sequential queue trigger distributed queue trigger 1 Edge trigger make a channel as trigger source and set risi...

Page 82: ...ta 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 steps as below A Press Trigger menu and menu appears B Press F1 till trigger mode display as Edge C Press F2 till source display as CH00 D Press F3 till type display as Falling Then trigger setting is finished refe...

Page 83: ...re an 8 bit data signal we need to observe when data value as 0X18 how the data changed before and after We set the BUS0 to include CH00 CH07 and use channel CH00 CH07 to measure the signal Trigger 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 ...

Page 84: ...nal Digital Storage Oscilloscope 81 Fig 5 57 Bus trigger 3 Pattern trigger Set channel as signal source and make high low voltage for channel as trigger condition combination to get trigger refer to Fig 5 58 Fig 5 58 Pattern trigger menu ...

Page 85: ...fore 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 and CH00 in F2 window display as 1 E Repeat operation of step D and set CH01 CH02 to High and CH03 as Low CH04 CH0F set as Don t care Pattern trigger setting...

Page 86: ...on to observe the data bus Trigger setting follow up below steps A Press Trigger MENU and menu appears B Press 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 operat...

Page 87: ...o Fig 5 61 and data ready for acquisition Fig 5 61 Sequential queue trigger 5 Distributed queue trigger make BUS as trigger source and dis continuous setting data in BUS as trigger condition to generate trigger and also can set 8 data at the same time Distributed queue trigger menu refer as Fig 5 62 Fig 5 62 Distributed queue trigger menu ...

Page 88: ...ly 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 Delete the code type from the queue Setting operation are same as sequential trigger setting Fig 5 63 Distributed queue trigger 6 Data width queue trigger Make BUS as trigger source and continuous duration in BUS as trigger condition to generate trigger Durati...

Page 89: ...dth For example measure a 16 bit data bus signal bus will appear data of 0X99 and continuous time is 50ns We set BUS0 to include 16 measurement 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...

Page 90: ...w to set threshold Threshold setting 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 5 66 Fig 5 66 Threshold setting menu ...

Page 91: ...an be set discretionarily Voltage 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 F...

Page 92: ...ease 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 F2 till BUS No display as ...

Page 93: ...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 5 69 Fig 5 69 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 5 70 Fig 5 70 Bus menu BUS setting menu as below ...

Page 94: ...em 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 Repeat the operation of steps 2 3 and set CH01 CH02 CH03 as Include and other channel as exclude Then CH SEL display as XXXXXXXXXXXX1111 BUS setting finished 6 ...

Page 95: ...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 setting includes current sampling setting BUS setup display setting threshold setting and trigger setting And it is possible to save 10 groups of settings Waveform storage and setting storage menu display as Fig 5 73 Fig 5 73 Storage menu Storage menu instruc...

Page 96: ...ID Display as Waveform 0 4 Press F3 to save current display waveform Info window will show Waveform saving then show as Waveform saved successfully when storage finished 5 Press F1 till memory SEL as Setups 6 Press F2 till memory ID display as Setups 0 7 Press F3 to save current various settings Info window show Setting saved successfully 8 Press F4 to recall the memory waveform or settings refer ...

Page 97: ...ger position Fig 5 75 Search trigger position 2 Search specified value in BUS Searching BUS menu as below Function Setting Instruction BUS BUS0 BUS3 Choose searching BUS Code type 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 Previous Search the matched value prior to current cursor Next Searc...

Page 98: ...ow voltage or irrelated condition Pattern type searching menu as below Function Setting Instruction CH SEL CH0F CH00 x0100000 00000000 Select the channel to set the signal pattern 16 channel pattern indication X Don t care 0 Low 1 High CH00 CH0F Don t Care Low High Don t care the signal pattern in this channel The signal pattern in this channel is low The signal pattern in this channel is high Pre...

Page 99: ...f 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 5 77 Search Code type How to review setting info You can choose system information display to be On or OFF by press INFO key System information includes all settings for acquired waveform and next acquisition Fig 5 78 System i...

Page 100: ...ion Cursor 2 Time The time display of cursor 2 corresponds to trigger position Follow up below steps to 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 edg...

Page 101: ...ith cursor measurement 1 Press 9 CURSOR 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 cursor...

Page 102: ...cludes recall factory 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 ...

Page 103: ...vertical and horizontal divisions till the waveform meets your requirement 2 Perform Automatic Measurement The oscilloscope can measure most displayed signals automatically Complete the following operations for the measurement of frequency cycle 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 Sou...

Page 104: ...e 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 button and choose CH1 5 Press the F3 menu selection button and choose CH2 6 Press the F1 menu selection button again and choose Typ...

Page 105: ...example if the pulse is the logic signal of a TTL level the trigger level should be set to 2 volts and the trigger edge be set as the rising edge trigger If it is uncertain as to the signal you can make an observation of it in advance under the automatic or ordinary mode to determine the trigger level and the trigger edge The operation steps are as follows 1 Set the probe menu attenuation coeffici...

Page 106: ...gence of the signal in conformity with the trigger conditions If a signal reaches to the set trigger level one sampling will be made and then displayed in the screen With this function any random occurrence can be captured easily Taking the burst burr of larger amplitude for example set the trigger level to the value just greater than the normal signal level and then presses the RUN STOP button an...

Page 107: ...ained in the signal can be observed with the peak detection See Fig 6 4 Fig 6 4 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 ...

Page 108: ...owing 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...

Page 109: ...and III quadrants the determined phase difference angel should be in the I and IV quadrants 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 vide...

Page 110: ...ss the F2 menu selection button and 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 Field for Sync 6 Adjust the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper wave form display see Fig 6 7 Fig 6 7 Wave Form Obtained from Video Field Trigger ...

Page 111: ...e 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 z Check whether the Source item in the TRIG MODE menu is in conformity with the signal...

Page 112: ...s 5 open the system function menu and execute the Auto calibration procedure All specification standards can be fulfilled except one s marked with the word Typical Digital Storage Oscilloscope Performance Characteristics Instruction Bandwidth z 100MHz MSO7102TD MSO8102T z 200MHz MSO8202T Channel 2 1 External Mode Normal Peak detect Averaging Acquisition Sample rate real time z 1GS s half channel 5...

Page 113: ...by 1 2 5 MSO8202T Sampling rate relay time accuracy 100ppm Horizontal System Interval T accuracy DC 100MHz Single 1 interval time 100ppm reading 0 6ns Average 16 1 interval time 100ppm reading 0 4ns A D converter 8 bits resolution 2 Channels simultaneously Sensitivity 2mV div 10V div at BNC Displacement 1V 2mV 50mV 10V 100mV 1V 100V 2V 10V Analog bandwidth z 100MHz MSO7102TD MSO8102T z 200MHz MSO8...

Page 114: ...ifference 3 degrees Measurement Frequency typical 1KHz square wave Communication port USB1 1 or RS 232 USB for file storage Half channel is when only one input channel is available Trigger Internal 6 div from the screen center EXT 600mV Trigger level range EXT 5 3V Internal 0 3div EXT 40mV 6 of Set Value Trigger level Accuracy typical EXT 5 200mV 6 of Set Value Trigger displacement Pre trigger 655...

Page 115: ...n CH2 Edge Pulse Video Slope Logic analyzer Sampling rate 20 S s 400MS s Step as 1 2 5 Input channel 16 Max Storage 4M Channel 16K when only sampling rate is 400MS s Measurement bandwidth 66MHz Input impedance 1MΩ 2 Threshold level 10V 10V Input signal range 15V 15V Trigger position setting Pre trigger mid trigger re trigger Trigger Mode Edge trigger Bus trigger Pattern trigger Sequential queue da...

Page 116: ... Peak to Peak value equal to or greater than 1MΩ of load Frequency Typical Square wave of 1KHz Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT II Power Consumption 18W Fuse 1A T grade 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 Dimensi...

Page 117: ...ent to avoid any damage to it Cleaning Check the probe and instrument regularly according to their operating state Clean the external surface of the instrument following the steps shown below 1 Please wipe the dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 Clean the instrument with a wet sof...

Page 118: ...l have battery power indication show on the top of panel when oscilloscope power supplied by the battery and imply for different power consumption and when shows it means the power can only supply for 5 minutes maximum Note To avoid superheat of battery during charging the environment temperature is not allowed to exceed the permissible value given in technical specification Replacing the Lithium ...

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