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MSO Series User Manual

1. ccccccccccccecceceeeeesssssseeeececceeeeeeseeauaaaaasseeeeeeeeeess 55 How to Implement the Cursor Measurement sssseeeecceccccccccceaeesssssssseeeccececeeeeeeaaaaaassssseeseeeeess 58 How tonse AUTO SC AS aa tte daatenas tatiatun E E a ad eenasenns 62 How 10sUSe Executive Buttons icrcscaccees orinsanecaanineseretcssicass EE 63 S2 LOGICS ANALY ZEN osiers SLAEN 65 HOw lO Set Sampling Sy SUCIM xcseisx tained orcas lowteloneswosexiowesaves dey cataunsanodeietowsidhieecatouanminasuelidlamsis 65 How toset IO Sers yS tE an cata etahatieh eee ce cien ta tana N E 67 HOw CG aXe Fale FT Ac 014 da ita ae eer etn nar Mee a rie an CAE eer TEE OE Su EMEA ET re eC RonE mE atanE Oe raps TET RI Rta MrT OR 75 FIOW TO SEEGISPIAY SVSlEIl ieuen cette taser each lara eat let tele aul ili er elas T11 How O et BUS inaa A nas aeavaten na opacnceadtedesane 78 How Tomea UTE euraen E T TE 80 POW LO Saves and eoan a A ueanaminneamaceniememansatanodeomes 80 Howtouse USB flashdisk tostora tesil E N 82 HOV Osoa oea a A 82 How tore view Get M On coarse tah ot sinsacucdatanane seen bets segue tenas eadeeehteeensentatahems sanaane 85 FIOW 10 USE cursor ANC AS UPC IMEI 253s ar a stetaie Sanaa E ENA 85 H wtos er UGN gamer poem erete ner A ers teers per ees rele nieve cteennnny Creo eene re 88 6 Demons Talon seriinin e E E r Sa 89 Example 1 Measurement of Simple Signals ssseeeecoosssssceecccoccsssssececcosssscececcossssesseeceosssssssee 89 E
2. 3 Press F2 key till threshold display as LVWCMOS 3 3 1 7V Then the threshold setting is finished ref to Fig 4 17 Cursor 131071 T POS 50 THRESHOLD CH SEL Threshold om rf OOo KK KX Voltage 0 1 0 0 0 0 0 0 0 NEXT T POS 50 Acq 100MHz filter 0 200ns div Turn CH1 Volts Div knob to adjust data value Fig 4 17 22 Sampling system The waveform accuracy reverts from sample data depend on sample rate for measured signals The waveform reverted in LA is referring to the sample signals storage in the memory The recorded data will display in error if the sample rate is too lower Below figures explains how sample rate influence the waveform recorded in LA Example 1 Slow clock Onginal waveform El t TA Sample clock i amp amp amp E OS L tod Lo Displayed waveform r 4s k i LFG Example 2 Fast clock Original waveform Sample clock Displayed waveform Fig 4 18 There is an importance compromise between recorded signal resolution and its continuance relate to time The sample memory depth of LA is fixed and once adding sample rate then resolution will get better accordingly But it will decrease the continuance for acquire signal In a word if the sample rate is quicker 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
3. Automatic Period Rise Time Fall Time DelayA B DelayA Bt Width Measurement Width Duty Duty E o Math ef PET Waveform Waveform storage _ er aie Bandwidth Full bandwidth Lissaiou pret A 3 degrees 5 difference Ba Frequency typical 1KHz square wave eee USB2 0 USB for file storage RS 232 or VGA port optional Half channel is when only one input channel is available Trigger Internal 6 div from the screen center Trigger level range EXT 600mV ext adomV 69 of Ser Value Accuracy typical EXT 5 200mV 6 of Set Value Tri Pre trigger 655 div Post trigger 4 div displacement Trigger level Trigger Holdoff 100ns 10s range 50 level Input signal frequency gt 50Hz setting typical Rising Falli Edge trigger ui ot ising Falling Sensitivity O 3div eaa LL Trigger condition Positive pulse gt lt s 99 co negative pulse gt lt Pulse Width eye range AM Modulation Support standard NTSC PAL and SEC broadcast systems Line number range Video Trigger 1 525 NTSC and 1 625 PAL SECAM l a Positive pulse gt lt Trigger condition l _ Slope Trigger negative pulse gt lt 24ns 10s Trigger on CH1 Edge Pulse Video Slope Alt te T saan ad Trigger on CH2 Edge Pulse Video Slope Logic analyzer Sampling rate 20 S s IGS s Max Storage 4M Channel 16K when only sampling rate is 250MS s 500 MS s 1IGS s 1OOMH
4. Operation options indicate current function menu and different function menu have different display Sample status indicate RUN for sampling and wait for trigger TRIG for trigger 18 detected and wait for sample finished STOP for sampling finished 12 Value indicate current time base 13 Info windows different operation display different info 14 Value display current filter modulus setting 15 Value display current sample rate setting 16 Two purple lines for cursor and cursor 2 in cursor measurement 17 Percentage 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 division and between short scale lines are 0 1 divisions How to acquire data When you start to acquire LA begins sampling data from the probes Then each time clock occurs the data will be sampled Then sampled data is sent to trigger function block and store in main memory The trigger program checks specific events with the sampled data and take specific action The trigger program can check events as rising edge data values and data ranges etc LA module enables a post trigger delay counter when trigger reach specified value and to allow post trigger portion of the acquisition memory to fill before data ac
5. X Don t Care Fig 5 59 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 5 60 71 Sequential Queue Fig 5 60 Sequential queue trigger Sequential queue trigger function as below BUSO BUS3 Select the trigger source from BUSO BUS3 OxO000 Oxffff Can be set discretionarily between 0x0000 and Oxffff HEX HEX 065335 or between 0 and 65535 DEC according to the bus DEC and code setting Add Add the code type to the queue Delete Delete the code type from the queue For example to set a 16 bit data Bus signal there will have 4 value as 0X9999 0X9998 0X9997 0X9996 in the bus We set BUSO to include 16 measure channels and make above 4 values as trigger condition 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 BUSO 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 Code E Press F4 and add setting value into the trigger queue then info window will display the value of 0X9
6. Contrast Increase Contrast Decrease NEXT T POS 50 Acq 100MHz filter 0 200ns div Turn CH1 Volts Div knob or press F2 to choose BUS Fig 4 15 Trigger system LA is same as DSO and need to make trigger to synchronize data The trigger system mainly to set trigger sources trigger mode and trigger position We make CHOO 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 trigger system setting finished ref to Fig 4 16 21 etteam Cursor 838860 T POS 20 TRIG MENU Trig Mode NEXT T POS 20 Acq 10MHz filter 0 20us div Turn CH1 Volts Div knob or press F2 to choose the channel Fig 4 16 Threshold voltage system Threshold voltage system is to set high low of the trigger voltage The system already fixed the setting 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 LVWCMO3 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
7. in parallel with 15pF 5pF Max EE voltage 400V aaa DC AC PK PK Bandwidth limit limit 20MHz 100MHz LOOMHz 50Hz 100 1 Channel isolation 1OMHz 40 1 Time delay between Input channel typical 97 1S s 1GS s half channel 1S s SOOMS s each channel MSO7102TD Sampling rate range 1S s 2GS s half channel 1S s 1G S s each channel MSO08102T MSO8202T Interpolation Csin x x Record length 2M points on each channel Horizontal 2ns div 100s div step by 1 2 5 System MSO7102TD MSO8102T Scanning speed S div ins div 100s div step by 1 2 5 MSO8202T Sampling rate relay 100ppm time accuracy Single 1 interval Interval AT accuracy time 100ppmxreading 0 6ns DC 100MHz Average gt l16 1 interval time 100ppmxreading 0 4ns bits resolution 2 Channels A D converter simultaneously DmiV iv 10VKdv at BNC 1V 2mV 50mV 10V 100mV Displacement 1V 100V 2V 10V 100MHz MS07102TD MSO8102T Analog bandwidth Vertical system 200MHz MSO8202T Single bandwidth Full bandwidth Low Frequency gt 5Hz at input AC coupling 3dB lt 3 5 ns at input Typical MSO7102TD MSO8102T Rise time lt 1 75 ns at input Typical MSO8202T 98 Average gt 16 3 rdg 0 05 div for DC accuracy average AV AV and AT between cursors Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq
8. 2 3 and set CHO1 CH02 CHO3 as Include and other channel as exclude Then CH SEL display as XXXXXXXXXXXX1111 BUS setting finished 6 Press F4 and set code type as HEX BUS setting is finished refer to Fig 5 71 79 letlienam Cursor 131071 T POS 50 BUS SETUP Bus SEL Bus3 BUSO CH SEL MXXX MK XXX 1111 CHOO CHOF CHO01 CHO Code Type NEXT T POS 50 Acg 100MHz filter 0 00ns div 1 Turn CH1 Yolts Div knob or press F2 to choose channel Fig 5 71 Bus setting How to measure Measurement can take auto measure for values of 4 BUS synchronously Press measure and BUS value for current cursor position will display directly in measurement window BUSO include CHOO CH03 BUSI include CHOO CHO07 BUS2 include CHOO CHOB BUS3 include CHOO CHOF 4 BUS auto measurement display as Fig 5 72 leollensm Cursor 131071 T POS 40 MEASURE BUSO BUS1 BUS BUS3 CHOO CHO1 CHO CHO3 CHO4 CHOS Bus Ox9 Ox F9 CHOG CHO CHO8 CH09 CHOA CHOB CHOC CHOD CHOE CHOF fo NEXT T POS 50 4cq 100MHz filter 0 Jus div Bus3 Ox37F9 Se oc Ss Fig 5 72 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 setting includes current sampling setti
9. 21 Threshold volage syste Monnc a a a a Saat rca cp atau dee ected ec aead beset adeno 22 Sampe SY SLCIN cenana E T 23 J Advanced User GUAeDOOK sisisi aaie DE E tances 25 5 1L Digital Storage Oscilloscope ssesedecsscccssssssscsscsssicsssedesceddascdecsssdacctdcssdusdsausecssvecsssesdecsdecnsesceess 26 HOW tO SEE ME Verca S VS Ce tia ss5 ares act tata Sacer A a tet gaan aaaense oun eentulnaaanns 26 Implementation of Mathematical Manipulation Function csccssssseeecceceeeceeceeeaeeeeseeeeeeeeeeeseeeeeaaas 30 MVS TEE Vit CORON cs Fels ais ai eh asst Deceased ae sl ee E NNE 30 Application of VERTICAL POSITION and VOLTS DIV Knobs ccccccccccccsssseeeeeeeeeeeeeeeenaaes 35 Howto sete HorZontalsy Stent scsi each Soar chee eam oat annus eater ane te legume E mans aagneneeenes 35 HOWTOS LET CO SY SUC INN saa a eee cea aa a dae nd oa aa vaneetae tena teens aaa N 38 How 10 perate he Punic Oi Minis vss sorscrtectamirigeucmdacde teaaptodnatendns eeranian tol aedas boansadantnndetabiniual iucdeatauenees 47 How to Implement Sampling Setup s3scsatssetacu cies hae eschods Ancien saleny ea teats se hace Hoa deeetaeieeteeade ated ata 47 HOW tO Set MED ay 5 V SOC IN a Sencar Witenes se aa aoa lva ama apts a ena 49 FLOW 10 Sav esdiid Recall a W ave FOL eane as a N O NAN 52 How to Implement the Auxiliary System Function Setting eeeesssssssssssssoeeerrrrrssssssssssssseeererersssssss 54 How to Implement the Automatic Measurement
10. and mean value and RMS value for Channel 2 Here is how we set them up Press MEASURE to active MEASURE MENU Press F1 next to Source Type to highlight Source Press F2 to choose first sources as CH1 Press F3 to choose second source again as CH 1 Press F4 to choose third source as CH2 Press F4 to choose fourth source as CH2 Press F1 again to highlight Type Press F2 to select Freq A reading of 1 000Khz appears automatically Press F3 to select Pk Pk reading appears immediately under highlighted type Press F4 to select Mean for CH2 reading appears immediately Press F5 to select Cyc RMS reading appears immediately The measured value will be displayed in the reading window automatically see 57 Fig 5 44 JS CH1 30 40u 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 CURS MEAS Fig 5 45 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table Setting OFF The cursor is off no measurement taking Voltage Turn on horizontal cursors and display their voltage value Time Turn on vertical cursors and display their time value CH1 Source CH Sourc
11. angle is in the I and III quadrants that is within the range of n 2 n or a 32 2 94 Example 6 Video Signal Trigger Observe the video circuit of a television apply the video trigger and obtain the stable video output signal display Video Field Trigger For the trigger in the video field carry out operations according to the following Steps 1 Press the TRIG MENU button to display the trigger menu Press the F1 menu selection button and choose Single for Type Press the F2 menu selection button and choose CH1 for Source 2 3 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 95 7 F A Q 1 In the case of that the oscilloscope is still in the black screen state without any display after the power is switch on implement the following fault treatment procedure Check whether the power connection is connected properly Check whether the power switch is pushed down to the designated position Restart the instrument after completing the checks above If this product still can not work normally please get in touch with Lilliput and we will be under your service After acquiring the signal carry out the following operations if the wave form of the signa
12. depends on a trigger Once it is set correctly the trigger can transfer the unstable display into a meaningful wave form When beginning to collect data the oscilloscope will collect adequate data to draw the wave form at the left side of the trigger point at first It will continuously perform the data acquisition while waiting for the trigger condition After a trigger is detected the oscilloscope will continuously collect data enough to draw the wave form at the right side of the trigger point One knob and four function menu buttons are included in the trigger control zone TRIG LEVEL Trigger the level control knob and set the signal voltage corresponding to the trigger point SET TO 50 Set the trigger level as the vertical midpoint value of the amplitude of the trigger signal FORCE TRIG It is a force trigger button for the generation of a trigger signal which is mainly used in the Normal and Single triggering modes SET TO ZERO Trigger the resetting of the horizontal position TRIG MENU It is a trigger menu button When it is pressed an operation menu will be presented in the screen Trigger Control The oscilloscope provides two trigger 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 38 The Single Trigger and Alternate Trigger menus are de
13. or malfunction caused by the use of non Lilliput supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product Please contact the nearest Lilliput s Sales and Service Offices for services or a complete copy of the warranty statement For better after sales service please visit www owon com hk and register the purchased product online Excepting the after sales services provided in this summary or the applicable warranty statements Lilliput will not offer any guarantee for maintenance definitely declared or hinted including but not limited to the implied guarantee for marketability and special purpose acceptability Lilliput should not take any responsibilities for any indirect special or consequent damages Table of Contents T General Safety ReGuiremeis csisc lt cvsssnsianceccussaewssvonsebsuvctavebsuaseiecinsseeestuossubseuchuneiuasalevenets I DSGsety Terms and SYVINDONS oisi e NTE EN OEE EA 2 3 General CharacteristiOS issis e EEEE EE NEREA Eain AARS 4 4 Junior User Guidebook sccosisisrindinsiinauisaiapnai AE EEAS Eaa inii 5 4 1 Introduction to the Front Panel and the User s InterfaCe cssccccccccccccccscessssssssssssssseeoe 6 FROME ANS ane A A A A areas 6 Control key and konoba deae a e E 7 4 2 Digital Storage Oscilloscope siseseccsssccsccssssstccscsceocnsvadescssdocsdsecessescsteuc
14. oscilloscope takes the lead in providing the convenience capturing of such non periodic signals as pulse and burr etc If you intent to capture a single signal you can not set the trigger level and the trigger edge unless you have particular priori knowledge of this signal For example if the pulse is the logic signal of a TTL level the trigger level should be set to 2 volts and the trigger edge be set as the rising edge trigger If it is uncertain as to the signal you can make an observation of it in advance under the automatic or ordinary mode to determine the trigger level and the trigger edge The operation steps are as follows Set the probe menu attenuation coefficient to 10X and that of the switch in the probe to 10X Adjust the VOLTS DIV and SEC DIV knobs to set up a proper vertical and horizontal ranges for the signal to be observed Press the button ACQUIRE to display the ACQUIRE Mode menu Press the F2 menu selection button and choose Peak Detect Press the TRIG MENU button to display the Trigger Mode menu Press the F1 menu selection button and choose Single as the type Press the F3 menu selection button and choose Edge as the mode Press the F4 menu selection button and choose Rising as the slope Press the F5 menu selection button to next menu Press the F2 menu selection button and choose Single as the trigger mode Rotate the LEVEL knob and adjust the trigger level to the mid value of the signal to be measu
15. peak 30Vrms or on circuits of more than 4800VA please take note of below items Only use accessory insulated voltage probes and test lead Check the accessories such as probe before use and replace it if there are any damages Remove probes test leads and other accessories immediately after use Remove USB cable which connects oscilloscope and computer Do not apply input voltages above the rating of the instrument because the probe tip voltage will directly transmit to the oscilloscope Use with caution when the probe is set as 1 1 Do not use exposed metal BNC or banana plug connectors Do not insert metal objects into connectors 3 3 General Characteristics Digital Storage Oscilloscope Model Bandwidth Sample Rate MSO7102TD 100MHz _ 1GS s half channel SOOMS s each channel MSO8102T 1OOMHz 2GS s half channel 1G S s each channel MS08202T 200MHz 2GS s half channel 1G S s each channel Dual channel 2M points on each channel for the Record length Reading out with the cursor Twenty automatic measurement functions Autoscale function Color liquid crystal display of high resolution and high contrast with adjustable back light Storage and call out of waveforms Automatic setting function provided capable of fast setting Multiple waveform calculation function Built in FFT function Implementation of detecting the average and peak values of the waveform Digital real time oscil
16. the ground clamp to the connector of the probe compensator 3 Press the 7 AUTOSET Button The square wave of 1 KHz frequency and 5V peak peak value will be displayed in several seconds see Fig 4 4 CH1 2 56yu Fig 4 4 Auto set Check CH2 by repeating Step 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 coefficient of the probe in the menu as 10X and that of the switch in the probe as 10X and connect the oscilloscope probe with the CH1 channel If a probe hook tip is used ensure that it keeps in close touch with the probe Connect the probe tip with the signal connector of the probe compensator and connect the reference wire clamp with the ground wire connector of the probe connector and then press the button 7 AUTOSET 2 Check the displayed wave forms and regulate the probe till a correct compensation is achieved see Fig 4 5 and Fig 4 6 12 Overcompensated Compensated correctly Under compensated Fig 4 5 Displayed Wave Forms of the Probe Compensation 3 Repeat the steps mentioned if necessary Fig 4 6 Adjust Probe How to Set the Probe Attenuation Co
17. 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 till sample rate setting display as 10M 3 Press F2 till storage depth display as General Sampling system setting finished ref to the fig Then press F and start to sampling data Display show as fig 4 19 when sampling finished General Fig 4 19 24 5 Advanced User Guidebook Up till now you have already been familiar with the initial operations of the functions of the function areas buttons and knobs in the front panel of the MSO series oscilloscope Based the introduction of the previous Chapter the user should have an intimate knowledge of the determination of the change of the oscilloscope setting through observing the status bar If you have not been familiar with the above mentioned operations and methods yet we advise you to read the section of Chapter One Junior Users Guidebook This chapter will deal with the following topics mainly Digital Storage Oscilloscope How to Set the Vertical System How to Set the Horizontal System How to Set the Trigger System How to Implement the Sampling Setup How to Set the Display System How to Save and Recall Wave Form How to Implement the Auxiliary System Function Setting How to Implement the Automatic Measurement How to Implement the Cursor Measurement How to Use Au
18. useful when examining the Phase shift of two related signals This example takes you step by step to check out the phase change of the signal after it passes a specified circuit Input signal to the circuit and output signal from circuit are used as sources signals 1 Set up attenuation coefficient to 10X through Probe menu for both CH1 and CH2 Switch Probes to 10X For source signals CH1 takes in input signal to the circuit and CH2 takes in output signal from circuit 2 Press AUTOSET adjust VOLTS DIV for both CH1 and CH2 to the same amplitude level to get an ellipse 3 Press DISPLAY to activate DISP SET menu then F3 to select XY mode Now the waveform is displayed as Lissajou s curve adjust VOLTS DIV and VERTICAL POSITION to get the best possible display work out the phase shift as in Fig 6 6 The signal must be centered and kept in the horizontal direction Fig 6 6 Lissajous Graph Based on the expression sin A B or C D where q is the phase difference angle and the definitions of A B C and D are shown as the graph above As a result the phase difference angle can be obtained namely q arcsin A B or arcsin C D If the principal axis of the ellipse is in the I and III quadrants the determined phase difference angel should be in the I and IV quadrants that is in the range of 0 m 2 or 32 2 27 If the principal axis of the ellipse is in the II and IV quadrants the determined phase difference
19. voltage data in CHO4 CHO7 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 5V D Press F1 till channel source display as CH04 CH07 E Press F2 to choose threshold as custom Menu setting correspond to F3 display the setting voltage value F Turn CH1 Volts div knob and set voltage value as 0 50V 76 Threshold voltage setting finished refer to Fig 5 67 CHO4 CHO Custom Fig 5 67 Threshold custom setting How to set display system Display system is to set on off for channel and BUS also to adjust the contrast of panel display Press A DISPLAY and panel display as Fig 5 68 Channel Fig 5 68 Display menu Display function menu as below Function Setting Source BUS Choose resource as BUS Channel Choose resource as channel BUS SEL BUSO BUS3_ Among BUSO BUS3 CH SEL CHOO CHOF Among CHOO CHOF T1 OFF Bus or Channel off Increase For example display channel as CHOO CHO3 and BUS as BUSO 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 BUSO 4 Press F3 to choose signal display as ON 5 6 Press F2 till BUS No display as BUSI Press F3 to choose signal display as OFF Repeat
20. 0x99 5 ns w Acq 10MHz LVCMOS 3 3V 0 50 LVCMOS 3 3V LVCMOS 3 3V T POS 50 h C T 2508 SEARCH Current Wave Setup Sample Rate 1OOMHz General 16K None Target Memory Depth Digital Filter CHO0 CHO3 Threshold LVYCMOS 3 3Y CH SEL CHO04 CHO Threshold 0 50 KXXX MAXX CHO6 CHOB Threshold LYCMOS 3 3 MAXX 0X1 CHOUC CHOF Threshold LYCMOS 3 3 V 50 Data Width Bust 0x99 Sins Type Trig Fosition Trig Mode Source Code Duration Previous filter 0 200ns div Fig 5 78 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 85 Time Position Fig 5 79 Cursor measurement menu Cursor measurement time menu as below Function Setting Instruction Time The time difference between two cursors Increment Frequency The frequency difference between two cursors Cursor 1 Time The time display of cursor 1 corresponds to trigger position Cursor 2 Time The time display of cursor 2 corresponds to trigger position Follow up below steps to measure data pulse frequency in CHOO 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
21. 10s_ Turn TRIG LEVEL knob to set slope time High level Turn TRIG LEVEL knob to set the High level Lowlevel Turn TRIG LEVEL knob to set Low level Slewrate Slew rate High level Low level Settings Acquire waveform whatever detect trigger condition or not Trigger Only acquire waveform when match trigger condition mode Only acquire waveform for single time when detect trigger condition then stop Holdoff Set interval by using TRIG LEVEL control value range from 100ns 10s omen E Reset hold time to 100ns Reset Alternate trigger Trigger signal comes from two vertical channels when alternate trigger is on This 42 mode is used to observe two unrelated signals You can choose different trigger modes for different channels The options are as follows edge video pulse or slope Alternate trigger Trigger mode Edge Alternate trigger Trigger Type Edge Menu is shown as Fig 5 23 Fig 5 23 Alternate trigger Trigger Type Edge Menu Alternate trigger Trigger Type Edge Menu list MENU SETTING INSTRUCTION CH1 Channel as the trigger source mous CH2 Channel 2 as the trigger source Mode Set vertical channel trigger type for edge trigger Trigger on the rising edge Trigger on the falling edge Block the direct current component Unblock all components ousting HF Block the high frequency signal and only unblock the low frequency component LF Block the low frequency signal and only u
22. 999 F Repeat the operation of step D E and add 0X9998 0X9997 0X9996 to trigger queue Then info window will display value of 0X9999 0QX9998 0X9997 0X9996 G Press F5 and delete the queue value if queue adding in error and add again H Turn Trigger level adjust knob or press set 50 till trigger position display as NEXT T POS 50 T2 Then sequential queue trigger setting finished refer to Fig 5 61 and data ready for acquisition Sequential Queue 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 Distributed Queue Fig 5 62 Distributed queue trigger menu Distributed queue trigger function as below Function Setting Source BUSO BUS3 Select the trigger source from BUSO BUS3 0x0000 0xffff Can be set discretionarily between 0x0000 and Oxffff HEX HEX or between 0 and 65535 DEC according to 0 65535 the bus and code setting 73 Add the code type to the queue Delete the code type from the queue Setting operation are same as sequential trigger setting BEO yO Add Delete Distributed Queue 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 trig
23. 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 Note In FFT mode both CH1 and CH2 are not allowed to be ON when F3 is pressed See Fig 5 4 FF 100MHz Fig 5 4 Channel CH1 is disable under FFT mode 4 Regulate the Attenuation Ratio of the Probe In order to match the attenuation coefficient of the probe it 1s required to adjust the attenuation ration coefficient of the probe through the operating menu of the Channel accordingly If the attenuation coefficient of the probe is 1 1 that of the oscilloscope input channel should also be set to 1X to avoid any errors presented in the displayed scale factor information and the measured data Take the Channel as an example the attenuation coefficient of the probe is 10 1 the operation steps is shown as follows 1 Press the CH1 MENU button access CH1 SETUP menu 2 Press the F4 menu selection button and select 10X for the probe The Fig 24 illustrates the setting and the vertical scale factor when the probe of the attenuation coefficient of 10 1 is used 28 FF 100MHz Fig 5 5 Regulation of the Attenuation Ratio of the Probe A List of the Attenuation Coefficient of Probes and the Corresponding Menu Settings 5 Setting of Wave Form Inverted Wave form inverted the displayed signal is turned 180 degrees against the phase of the earth potential Taking the Channel
24. FT between CH1 and CH2 Press F3 to choose WINDOW for FFT there are four options here including Rectangle Hamming Hanning and Blackman We will give details of these options later 4 Press F4 to switch between dB and Vrms 5 Press F5 to zoom in out options including multiplied 1 2 5 10 6 Adjust the Horizontal knob in horizontal control zone to move the waveform and the shown frequency of M Pos is the exact frequency of the cursor point in the middle of spectrum 7 Press F1 to turn off FFT and then press math menu to go back to WAVE MATH menu Selecting an FFT Window W The FFT feature provides four windows Each one is a trade off between frequency resolution and magnitude accuracy What you want to measure and your source signal characteristics help you to determine which window to use Use the following guidelines 31 to select the best window Type Description Window This is the best type of window for resolving frequencies that are very close to the same value but worst for accurately measuring the amplitude of those frequencies It is the best type for measuring the frequency spectrum of non repetitive signals and measuring frequency components near DC Rectangle Use rectangle for measuring transients or bursts where the signal level before and after the event are nearly equal Also use this window for equal amplitude sine waves with frequencies that are very close and for broadband random noise
25. Fig Fig 6 1 SIAR WN gt Fig 6 1 Waveform of Automation Measurement 89 Example 2 Working out the Gain of the Amplifier in the Metering Circuit The purpose of this example is to work out the Gain of an Amplifier in a Metering Circuit First we use Oscilloscope to measure the amplitude of input signal and output signal from the circuit then to work out the Gain by using given formulas Step1 Go to both CH1 menu and CH2 menu and then their Probe menu to set attenuation coefficient as 10X turn the switch on the Probe to 10X as well Step 2 Connect the Probe through Channel to the signal source the input signal in the circuit Connect the Probe 2 through Channel 2 to its signal source the output signal in the circuit Step 3 Press AUTOSET button to let oscilloscope run through a pre set function and apply them to both signals coming into Channel and Channel 2 Step 4 1 Press MEASURE to activate measurement function menu Press F1 next to Source to highlight Source Press F2 to set Source as CH1 Press F3 to set Source as CH2 Press F1 to highlight Type Press F2 to set Pk Pk Press F3 to set Pk Pk Get Pk Pk readings of Channel 1 and Channel 2 See Fig 6 2 ee a ee ee ee Calculate the amplifier gain with the following formulas Gain Output Signal Input signal Gain db 20xlog gain 90 Fig 6 2 Wave Form of Gain Measurement Example 3 Capture the Single Signal The digital storage
26. Here is how we do it l Apply Square waveform to CHI as source signal press ACQUIRE button to active ACQU MODE menu Press F2 to select Peak Detect function The signal displayed on the screen containing some noise by turning on Peak Detect function and changing time base to slow down the incoming signal any peaks or burr would be detected by the function See Fig 6 4 g2 Fig 6 4 Signal with Noises Reduce the effect of noises from your signal When focusing on signal itself the important thing is to reduce the noise level as lower as possible this would enable user to have more details about the signal The Average function offered by our Oscilloscope can help you to achieve this Here are the steps for how to enable Average function 1 Apply square waveform to CH1 as a source signal Press ACQUIRE button to bring up ACQU MODE menu 2 Press F3 selection Average Press F4 to select number of data points for average Available choices of number are 16 32 64 128 The higher the number the better result user will get Use would see a much reduced random noise level and make it easy to see more details of the signal itself As it is in Fig 68 after applying Average user can easily identify the burrs on the rising and falling edges of some part of the signal see Fig 6 5 Fig 6 5 Wave Form of the Noise Removed Signal 93 Example 5 Examine the Phase shift between two related signals X Y mode is a very
27. It is capable to work out 20 different types of measurements and there are 4 measurements can be displayed on the screen at one time The 20 types automatic measurements include frequency cycle average value peak to peak value root mean square value Vmax Vmin Vtop Vbase Vamp 55 Overshoot Preshoot RiseTime Fall Time Width Width Duty Duty DelayA B and DelayA 7B t To use Measure simply Press Measure button would activate MEASURE menu Press F1 next to Source Type to allow you to switch between Source and Type Source is the signal from the channel which user to carry out a measurement and Type is one of the 20 measurements user wants Oscilloscope to work out Under the Type as you can see in Fig 5 43 is what the actual measurement reading is The reading would show sign of if there isn t a measurement can be worked out from the source signal As in Fig 5 43 both Channell and Channel2 are chosen as source measurements are taken for Frequency Pk Pk value Mean and RMS Fig 5 43 Measure Menu Term interpretation Vpp Peak to Peak Voltage Vmax The maximum amplitude The most positive peak voltage measured over the entire waveform Vmin The minimum amplitude The most negative peak voltage measured over the entire waveform Vamp Voltage between Vtop and Vbase of a waveform Vtop Voltage of the waveform s flat top useful for square pulse waveforms Vbase Voltage of the waveform s flat base usefu
28. M data width is 32 digits every clock corresponds to one data Signal voltage is 3 3V 19 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 CHOO CHO1 CHO2 as measure channel correspond to signal enable clock data accordingly Other channel and bus 1s off ly N xN e U DN Press A DISPLAY and display menu appears Press F1 till signal sources display as Channel Press F2 or turn CH1 Volts Div knob till channel No display as CH00 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 Press F1 till sources display as BUS Press F2 till Bus No display as BUSO Press F3 and set signal sources as OFF Repeat operation of steps 6 7 and set BUSI BUS2 BUS3 all as OFF Ref to Fig 4 14 Now the screen only show CHOO CHOI CH02 and others channel and bus are all off Ref to Fig 4 15 Channel Fig 4 13 20 Cursor 838851 T POS 20 DISPLAY Source Bus CH Display ON eeeeoo x x x Contrast Increase Contrast Decrease NEXT T POS 20 Acq 10MHz filter 0 2us div Fig 4 14 Cursor 131071 T POS 50 DISPLAY Source Bus CH Display ON
29. NO P 87 Position Fig 5 81 Cursor position measurement How to set Utility Utility function includes recall factory Language Carry Utility menu as below Function Recall factory Chinese Language English Vector BMP Instruction Default setting for LA Support multi languages choose you preferred system language 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 88 6 Demonstration Notice The following is to take MSO7102T model as an example Example 1 Measurement of Simple Signals The purpose of this example is to measure the frequency and peak to peak value of a given signal Step1 Go to CHI menu and Probe menu to set attenuation coefficient as 10X turn the switch on the Probe to 10X as well Step 2 Connect the Probe through Channel to the signal source Step 3 Press AUTOSET button to let oscilloscope run through a pre set functions and apply them to incoming signal Step 4 Take the measurements by going through these settings Press MEASURE to activate measurement function menu Press F1 next to Source to highlight Source Press F2 F3 F4 and F5 one by one to set them to CH1 Press F1 again and highlight Type Press F2 and set to Freq Press F3 and set to Period Press F4 and set to Mean Press F5 and set to Pk Pk Now you have your measurement results displayed in
30. OWON MSO Series Portable Mixed Signal Digital Storage Oscilloscope User Manual E MS0O7102TD E MSO8102T E MSO8202T WWW OWON COM HK May 2013 edition Ver1 3 3 Copy Right in this Manual Lilliput Company All rights Reserved The Lilliput s products are under the protection of the patent rights in America and other countries including ones which have already obtained the patent rights and those which are applying for The information in this manual will replace all that in the materials published originally The information in this manual was correct at the time of printing However OWON will continue to improve products and reserves the rights to changes specification at any time without notice OWON is the registered trademark of the Lilliput Company Headquarter Fujian Lilliput Optoelectronics Technology Co Ltd The mansion of optoelectronics 19 Heming Road Lantian industrial zone Zhangzhou Fujian China Tel 86 596 2 130430 Fax 86 596 2109272 Web www owon com hk Mail Business Consulting info owon com hk Sale service service owon com hk Branch Xiamen Lilliput Technology Co Ltd the 5th floor B Area Chuangxin Mansion Software Park ZhenZhuWan Huandao RD Xiamen Fujian China Tel 86 592 2575666 Fax 86 592 2575669 User Manual of OWON Color Mixed Signal Digital Storage Oscilloscope General Warranty The Lilliput warrants that the product will be free from defects in materials and workmans
31. Oscilloscope starts the self calibration and yellow window remains the calibration is done Please be aware that no contacts to any inputs channels until the calibration is done SYS STAT System State Press the F1 menu selection button and choose SYS STAT item The menu pops up in the screen as Fig 5 41 54 Function Menu Setting Description Horizontal Show the horizontal parameter of the channel Vertical Show the vertical parameter of the channel I Show the parameters of the trigger system Mises Show the serial number and edition number Fig 5 41 SYS STAT Menu After entering into the SYS STAT menu choose the corresponding function with the corresponding parameters shown in the screen If press the F1 menu selection button and choose the function item Horizontal the Horizontal System State will be displayed in the screen Press any other function button and exit from the SYS STAT menu see Fig 5 42 HORIZONTAL SYSTEM STATUS TIME BASE MAIN TIME BASE MAIN SCALE 1 0ms WINDOW SCALE 10 us MAIN POSITION 0 000ns WINDOW POSITION Os DISPLAY FORMAT YT ACQUIRE MODE SAMPLE FFT SOURCE CH1 WINDOW Hamming DISPLAY FORMAT dB Fig 5 42 Horizontal System State How to Implement the Automatic Measurement This is where users would come across every time they use our scopes It is take the measurements by using oscilloscope Our oscilloscope does this automatic every time user press Measure button
32. R2 3 Adjust the positions of CURSORI and CURSOR2 according to the measured waveform with the absolute value of the Vamp amplitude difference between Cursor and Cursor 2 displayed in the increment window The current position of Cursor is displayed in the Cursor window and that of Cursor2 is displayed in the Cursor2 window see Fig 5 49 Fig 5 49 wave of Vamp cursor measurement Carry out the following operation steps for the Freq cursor measurement l 2 Press CURSOR and recall the CURS MEAS menu Press F1 and choose Freq for Type with two purple dotted lines displayed along the vertical direction of the screen indicating the corresponding Cursor and Cursor 2 Adjust the positions of CURSORI and CURSOR2 according to the measured waveform with the period and frequency of Cursorl and Cursor 2 displayed in the increment window The current position of Cursorl is displayed in the Cursor window and that of Cursor2 is displayed in the Cursor2 window see Fig 5 50 61 Fig 5 50 wave of Freq cursor measurement How to use Autoscale The function is applied to follow up signals automatically even if the signals change at any time Autoscale enables the instrument to set up trigger mode voltage division and time scale automatically according to the type amplitude and frequency of the signals The menu is as follows Turn off Autoscale Autoscale Turn on Autoscale Vertical Only adjust vertical scale accordin
33. Turn on XY Format 4 Trigger control SET 50 5 Auto scale function 34 Application of VERTICAL POSITION and VOLTS DIV Knobs l The VERTIVAL POSITION knob is used to adjust the vertical positions of the wave forms of all Channels including those resulted from the mathematical operation The analytic resolution of this control knob changes with the vertical division The VOLTS DIV knob is used to regulate the vertical resolution of the wave forms of all channels including those obtained from the mathematical manipulation which can determine the sensitivity of the vertical division with the sequence of 1 2 5 The vertical sensitivity goes up when the knob is rotated clockwise and goes down when the knob is rotated anticlockwise When the vertical position of the channel wave form is adjusted the screen shows the information concerning the vertical position at the lower left corner see Fig 5 13 CH1 400my Fig 5 13 Information about Vertical Position How to Set the Horizontal system The HORIZONTAL CONTROLS includes the HORIZONTAL MENU button and such knobs as HORIZONTAL POSITION and SEC DIV l HORIZONTAL POSITION knob this knob is used to adjust the horizontal positions of all channels include those obtained from the mathematical manipulation the analytic resolution of which changes with the time base SEC DIV knob it is used to set the horizontal scale factor for setting the main time base or the
34. ble for this service or the LILLIPUT s local offices 3 Check the Complete Instrument If it is found that there is damage to the appearance of the instrument or the instrument can not work normally or fails in the performance test please get in touch with the LILLIPUT s distributor responsible for this business or the LILLIPUT s local offices If there is damage to the instrument caused by the transportation please keep the package With the transportation department or the LILLIPUT s distributor responsible for this business informed about it a repairing or replacement of the instrument will be arranged by the LILLIPUT How to implement the Function Inspection Make a fast function check to verify the normal operation of the instrument according to the following steps 1 Connect the Instrument to the Power and Push down the Power Switch Button The instrument carries out all self check items and shows the prompt Press any Key Enter system Press the 8 UTILITY button to get access to the FUNCTION menu and push down F2 the menu selection button to call out the function Recall Factory The default attenuation coefficient set value of the probe in the menu is 11 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 tip and
35. dscsoosssssssessscoadenssveesvecesseee 9 User ster race ItrO GUC MOI iai A 9 How to implement the General InspectOme is ceitnctessacict A cdesserdecs adel st one aes ried et Ge 1 How to implement the Punction INSpecton 4 tccetesiet a deste ethane enisteon Gihaineseoss 1 How to Implement the Probe Compensation ccccsssseeeccececeeeeeeaaeseesesseeeececceeeeeeeeeeaaaaasseeseeseeeeess 12 How to Set the Probe Attenvation Coeficient eani e A a a 13 low to Use the Probe Sarel yack ere aco e N E N 14 Howto Implement Auto Ca lira Oi craen a a EEEE amare eed ariawinnes 14 Introduction tothe Verical Syste Mg scecc asec dita ia e Soedadtapdeadsvansnundeanescducsieudausasduatiee enous 14 Hitroduction 10 the Horizontal Sy Sle Arsa i A E T A N 16 Introduction to the Triezer Syste Menciona an E T AE EEEE OERE 16 A EREI ZOP E E E E E E A E EE OE 18 LA PU COMME CH ON enerne Ae NEEE E EE 18 User interlace MEOdUCHON erros EE EE EEEE E E EE A a 18 POW 10 AC QUIT CAL a a natandlct bicentatactenceamibid uaa mmacde heaattodnatendns Mirada dojaedsh tauaigadaatnndsetbedtusatucdesuauanuts 19 How to observe and analy Ze Ne data iiss ashi soetetsavdnadebarhucedcastsedivateadncrevdnadibaseussmwasdvadsnadedworsuddasdadsuiese tans 19 MOST Py Sy SUC HI NS serait ses ance saa somata aoa i anaes a esiss te sant a es ment apes ges anal ta ese nas 20 eee SAAS Ca a E Une Pere Raya pec eT RDS Cpu en Cerrar ner aers Mere nase eT ret ore ee nane Terre any Cann eene re
36. e signal for cursor measurement 58 Delta Absolution value of the difference between two cursors Reading of Cursor 1 Cursor Time read time from start position the horizontal trigger point Os Voltage read voltage from ground level 0 v Read the position of Cursor 1 the Time is read with Cursor 2 reference to the horizontal trigger position and the Voltage is to the ground point You can adjust the positions of Cursors by using POSITION controls marked with CURSOR 1 and CURSOR 2 Now we take you through two examples to set up and use cursors for Voltage and Time measurements respectively An input signal of waveform is used throughout this example Voltage Cursor measurement Press CURSOR to activate CURS MEAS menu Press FI to select Voltage and Type there are two purple horizontal lines appeared on the screen representing CURSOR 1 on the top and CURSOR2 on the bottom Press F2 to select CH1 as the Source The results are shown on the screen See Fig 5 46 CHL 3 20u Fig 5 46 Waveform of Voltage Cursor Measurement Time Cursor measurement 1 Press CURSOR to activate CURS MEAS menu 2 Press F1 to select Time and Type there are two purple vertical lines appeared on the screen representing CURSOR 1 on the left and CURSOR2 on the right 3 Press F2 to select CH1 as the Source 4 Move CURSORI and CURSOR2 and the results change accordingly as in Fig Fig 5 47 59 CH1 0 00m
37. e window 33 FFT FFT ON Source CH1 eBlackma Format dB FT zoom x2 e CH1 1 03048KHz FFT FFT ON Source CH1 Window Hamming Format dB Ea CH1 1 02973KHz FFT FFT ON A CH1 1 03178KHz Fig 5 12 Hanning window Quick Tips E If desired use the zoom feature to magnify the FFT waveform E 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 E Signals that have a DC component or offset can cause incorrect FFT waveform component magnitude values To minimize the DC component choose AC Coupling on the source signal E To reduce random noise and aliased components in repetitive or single shot events set the oscilloscope acquisition mode to average Term interpretation Nyquist frequency The highest frequency that any Real Time Digital Oscilloscope can measure is exactly half of the sampling rate under the condition of no mistakes which is called Nyquist frequency If under sampling occurs when the frequency sampled is higher than Nyquist frequency False Wave phenomenon will appear So pay more attention to the relation between the frequency being sampled and measured NOTE While FFT mode is turned on DO NOT USE THESE SETTINGS 1 Horizontal window setting 2 Change source channel in CH1 CH2 Setup menu 3
38. efficient The probe has several attenuation coefficients which will influence the vertical scale factor of the oscilloscope If it is required to change check the set value of the probe attenuation coefficient press the function menu button of the channels used then push down the selection button corresponding to the probe till the correct set value 1s shown This setting will be valid all the time before it 1s changed again PAN Note The attenuation coefficient of the probe in the menu is preset to 10X when the oscilloscope is delivered from the factory Make sure that the set value of the attenuation switch in the probe is the same as the menu selection of the probe in the oscilloscope The set values of the probe switch are 1X and 10X see Fig 4 7 Fig 4 7 Attenuation Switch 13 A Note When the attenuation switch is set to 1X the probe will limit the bandwidth of the oscilloscope in SMHz If it is needed to use the whole bandwidth of the oscilloscope the switch must be set to 10X How to Use the Probe Safely The safety guard ring around the probe body protects your finger against the electric shock shown as Fig 4 8 A Fig 4 8 Finger Guard A Warning In order to avoid suffering from the electric shock please keep your finger behind the safety guard ring of the probe body during the operation In order to protect you from suffering from the electric shock during your using the probe do not touc
39. eps to search the data of 0x18 values in BUSO A Press SEARCH and menu appears B Press F1 till target display as BUS C Press F2 till BUS SEL as BUSO 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 finished Repeat operation of steps D E if need to modify the value Press F4 and choose Previous to searching the matched value prior to current cursor Cursor will stop in this value 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 searching the matched value after current cursor iz 83 Fig 5 76 Search Bus 3 Searching target is pattern pattern refers to the complex of different channel according to high low voltage or irrelated condition Pattern type searching menu as below Function Setting Instruction CHOF CHO0 Select the channel to set the signal pattern x0100000 16 channel pattern indication X Don tcare 0 00000000 Low 1 High Don t Care Don t care the signal pattern in this channel CHO0 CHOF Low The signal pattern in this channel is low High The signal pattern in this channel is high Previous Search the matched value prior to current cursor Search the matched value after
40. 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 1s 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 screen display see Fig 5 6 and Fig 5 7 Peer Fig 5 6 Wave Form not inverted Fig 5 7 Wave Form Inverted 29 Implementation 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 Setting Description CH1 CH2 Subtract the Channel 2 wave form from the Channel 1 wave form CH2 CH1 Subtract the Channel 1 wave form from the Channel 2 wave form CH1I CH2 Add the Channel 1 wave form to the Channel 2 CH1 CH2 Multiply Channel 1 wave form by Channel 2 wave form CH1 CH2 Channel 1 wave form is divided by the Channel 2 wave form FFT Waveform of Corresponding FFT operation Taking the additive operation between Channel 1 and Channels 2 for example the operation steps are as follows 1 Press the MATH MENU button and call out the WAVE MATH menu 2 Press the F3 menu selection but
41. g to input signal Horizontal Only adjust horizontal scale according to input signal HORI VERT Adjust both vertical and horizontal scales according to input signal Display only one or two cycles in waveform Display Multi cycles in waveform The function can work on both Channel and Channel 2 simultaneously Here is an example for how to use the function 1 Press Autoscale to activate its menu 2 Press F1 next to Autoscale to select ON 3 Press F2 Mode to select Horizontal Vertical 4 Press F3 to choose TAVAT and press F3 to change tok Scc Fig 5 51 52 for details 62 SSHORI VERT P O OOE HORI VERT Fig 5 51 Multi cycles mode Fig 5 52 single cycle mode Note Things you should be ware when turning on Autoscale 1 The symbol A is flickering on the top left corner of screen every half second a The oscilloscope is setting Triggers automatically for the incoming signal based on its best approach Access from front panel to trigger controls is disabled A warning message will be displayed on the bottom left corner of the screen when trying to change submenus of Trigger controls If the display mode is in XY and STOP is turned on pressing AUTO SET to enter into Autoscale The oscilloscope will be set to YT mode and ATUO triggering Oscilloscope is set as DC coupling with AUTO Triggering A warning message is displayed when trying to change these settings The oscilloscope will turn off Aut
42. ger Duration trigger menu refer to Fig 90 Data VVidth Fig 5 64 Duration trigger menu Duration trigger function as below Function Source BUSO BUS3 Select the trigger source from BUSO BUS3 0x0000 0xffff Can be set discretionarily between 0x0000 and Oxffff HEX HEX or between 0 and 65535 DEC according to 0 65535 the bus and code setting DEC 74 The duration width can be set from 10ns 1 2 5 to Duration 10ns 50s 10 00us 1 2 5 according to the sampling rate from high to low Trigger occur on condition that the bus value is equal to the code type and the duration is more than or equal to the duration width ualifier l Pe Q Trigger occur on condition that the bus value is equal to the code type and the duration is less than or equal to the duration width For example measure a 16 bit data bus signal bus will appear data of 0X99 and continuous time is 50ns We set BUSO 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 BUSO 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 operation of step D 1f setting error or need to be modified E Press F4 and duration in menu set
43. h the metal part of the probe tip when the probe is connected to the power supply Before making any measurements please connect the probe to the instrument and connect the ground terminal to the earth How to Implement Auto calibration The auto calibration application can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement value You can carry out this application program at any time but when the range of variation of the ambient temperature is up to or over 5 C this program must be executed For the performing of the self calibration all 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 4 9 there are a series of buttons and knobs in VERTICAL CONTROLS The following practices will gradually direct you to be familiar with the using of the vertical setting Fig 4 9 Vertical Control Zone 1 Use the button VERTICAL POSITION knob to show the signal in the center of the waveform window The VERTICAL POSITION knob functions the regulating of the vertical display position of the signal Thus when the VERTICAL POSITION knob is rotated the pointer of the earth datum point of the channel is directed to m
44. he movement of the trigger indicator it can be observed that the trigger level value displayed in the screen changes Press the button SET TO 50 to set the trigger level as the vertical midpoint values of the amplitude of the trigger signal Press the FORCE TRIG button to force a trigger signal which is mainly applied to the Normal and Single trigger modes The SET TO ZERO button is used to reset the trigger horizontal position 4 3Logic Analyzer 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 signal and ready for measurement User interface introduction 9 10 11 1g 15 lf 16 15 14 l3 a Li Fig 4 12 User interface of logic analyzer Channel and Bus indicate display current working channel and bus Channel binary value display display binary system value for the channel position in current cursor o Battery powers indicate indicate battery power when battery inside Decimal system value indicate the position of current cursor in storage area Yellow dashed line indicates current cursor Blue dashed line indicates current trigger position Percentage value indicate current trigger position in storage area Sample data area indication red for bus blue and green for 0 1 in each channel data Decimal system value indicate the position of current cursor relate to current trigger
45. her four keys refer to trigger system setting For LA Force trig key is idle Trig menu refer to trigger menu control Trig adjust knob to adjust trigger position in memory SET 50 1s to set trigger position as 50 and SET Zero set trigger position as 0 4 2Digital Storage Oscilloscope User interface introduction 1g le 17 16 15 14 13 12 1 10 9 Fig 4 3 Illustrative Drawing of Display Interfaces 1 The Trigger State indicates the following information Auto The oscilloscope is under the Automatic mode and is collecting the waveform under the non trigger state Trig d The oscilloscope has already detected a trigger signal and is collecting the after triggering information Ready All pre triggered data have been captured and the oscilloscope has been already ready for accepting a trigger Scan The oscilloscope captures and displays the waveform data continuously in the scan mode Stop The oscilloscope has already stopped the waveform data acquisition 2 Waveform Viewing Area 3 The purple pointer indicates the horizontal trigger position which can be adjusted by the horizontal position control knob 4 The pointer indicates the trigger position in the internal memory 9 5 This reading shows the time deviation between the horizontal trigger position and the window center line which is regarded as 0 in the window center It indicates the current function menu 7 It indicate
46. hip for a period of three years from the date of purchase of the product by the original purchaser from the Lilliput Company And the warranty period of accessories such as probe battery is one year This warranty only applies to the original purchaser and is not transferable to the third party If the product proves defective during the warranty period Lilliput either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product Parts modules and replacement products used by Lilliput for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of Lilliput In order to obtain service under this warranty Customer must notify Lilliput of the defect before the expiration of the warranty period Customer shall be responsible for packaging and shipping the defective product to the service center designated by Lilliput and with a copy of customer proof of purchase This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Lilliput shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Lilliput representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage
47. ing finished refer to Fig 5 53 100MHz General Fig 5 53 Sampling setting How to set trigger system Trigger system including Trigger level adjust knob Trigger menu 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 rising edge falling edge or either edge as trigger condition to generate trigger Edge trigger menu refer to Fig 5 54 Edge Falling Fig 5 54 Edge trigger menu Edge trigger function menu as below 67 Function Settings Signal choice CHOO CHOF CHOO CHOF can be set as trigger resource Rising Trigger on the rising edge Falling Trigger on the falling edge Either 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 CHOO CHO CHO2 to measure the data CHOO to measure enable signal CHO1 and CHO2 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
48. isplay Settings menu as described on P49 There is two formats available for choice Vector format and Bitmap which the corresponding name will be WAVEI BIN WAVE2 BIN WAVE3 BIN or WAVEI BMP WAVE2 BMP WAVE3 BMP Then you can open the files in computer by connecting USB disk to computer Notes During the U disk saving procedure some notes such as Waveform saving Waveform saved USB already connected USB connection interrupt etc will be prompted 64 5 2Logic analyzer How to set sampling system Sampling system is to set sample rate storage depth and filter Different sampling setting will result in different measure results In the same storage depth 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 Fig 5 52 100MHz General Fig 5 52 Sampling menu Sample menu function list Function Setting Samplerate sses SS Low memory Storage depth of 16K General Storage depth of 256K Deep memory Storage depth of 4M Filter closed Filter one pulse of sample width Storage depth Digital Filter Filter two pulse of sample width 65 Listing of corresponding continuance time to different sample rate and storage depth S l rate Continuance time Samp
49. l 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 56 Average The arithmetic mean over the entire waveform The true Root Mean Square voltage over the entire waveform Time that the leading edge of the first pulse in the waveform takes to rise Rise Ti ee 22 from 10 to 90 of its amplitude Time that the falling edge of the first pulse in the waveform takes to fall Fall Ti oS from 90 to 10 of its amplitude Width The width of the first positive pulse in 50 amplitude points The width of the first negative pulse in the 50 amplitude points Delay 1 2 The delay between the two channels at the rising edge Delay 1 2 The delay between the two channels at the falling edge Duty Cycle defined as Width Period Duty Cycle defined as Width Period We now take you through an example to use Automatic measurement Before using them all sources of channels have to be switched on These can be done through CH menu as mentioned before Please be aware that this function only applies to waveform captured from input channels at YT format It would not work on saved waveforms calculated waveforms and waveform in XY or SCAN format In this example we apply square wave to Channel 1 and sine wave to Channel 2 and we want to measure the frequency Peak to Peak value of Channel 1
50. l is not displayed in the screen Check whether the probe is properly connected to the signal connecting wire Check whether the signal connecting wire is correctly connected to the BNC namely the channel connector Check whether the probe is properly connected with the object to be measured Check whether there is any signal generated from the object to be measured the trouble can be shot by the connection of the channel from which there is a signal generated with the channel in fault Make the signal acquisition operation again 3 The measured voltage amplitude value is 10 times greater or smaller than the actual value Check whether the channel attenuation coefficient and the attenuation ration of the probe used in practical application is match 4 There is wave form displayed but it is not stable Check whether the Source item in the TRIG MODE menu is in conformity with the signal channel used in the practical application Check on the trigger Type item The common signal chooses the Edge trigger mode for Type and the video signal the Video Only if a proper trigger mode is applied the wave form can be displayed steadily Try to change the trigger coupling into the high frequency suppress and the low frequency suppress to smooth the high frequency or low frequency noise triggered by the interference No Display Responses to the Push down of RUN STOP Check whether Normal or Signal is chosen for Polari
51. le Continuance P Storage depth rate time 125MHz Low memory General Deep memory Low memory General Deep memory Low memory General Deep memory Low memory General Deep memory Low memory General Deep memory Low memory 256 us Low memory 3 2 s 62 5MHz General 4 096 ms SkHz General 51 2 s Deep memory 64 ms Deep memory 800 s Low memory General Deep memory Low memory General Deep memory Low memory General Deep memory Low memory General Deep memory 640 us 10 24 ms 160 ms 1 28 ms 20 48 ms 320 ms Low memory General Deep memory Low memory General Deep memory Low memory General Deep memory Low memory General Deep memory SOs 1280 s 20000 s Low memory 16 ms Low memory 160 s IMHz General 256 ms 100Hz General 2560 s Deep memory As Deep memory 40000 s Low memory 32 ms Low memory 320 s SOOKHz General 512 ms SOHz General 5120 s Deep memory 8 S Deep memory 80000 s Low memory 80 ms Low memory 800 s 200kHz General 1 28 s 20Hz General 12800 s Deep memory 20 s Deep memory 200000 s Follow up steps to set the measurement for data bus of 33M clock Sample rate 125M Storage depth 4M Filter none Setting steps as below 1 Press E ACQUIRE and sample menu appears 2 Press F1 repeatly or turn CH1 Volts div knob till sample rate set as 125M 66 3 Press F2 till storage depth display as Deep Memory 4 Press F3 till digital filter display as None Then sample system sett
52. loscope Edge video alternate pulse and slope triggering function RS232 or USB communication ports Different continuous displaying time Multiple Language User Interface Half channel is when only one channel is turned on Logic Analyzer 16 input channel 4M max Storage for each channel Plenty of trigger Mode Convenient data measurement amp data search Freely setting of all kinds of threshold level 4 Junior User Guidebook This chapter deals with the following topics mainly Digital Storage Oscilloscope Introduction to the front panel and the user s interface of the MSO series oscilloscope How to implement the general inspection How to implement the function inspection How to make a probe compensation How to set the probe attenuation coefficient How to use the probe safely How to implement an auto calibration Introduction to the vertical system Introduction to the horizontal system Introduction to the trigger system Logic Analyzer User interface introduction How to acquire data How to observe and analyze the data Display system Trigger system Threshold voltage system Sampling system 4 1 Introduction to the Front Panel and the User s Interface When you get a new type oscilloscope you should get acquainted with its front panel at first and the MSO series mixed digital storage oscilloscope is no exception This chapter makes a simple description of the operation and function of the front
53. m when detecting a trigger and stop sampling 39 Block the direct current component Unblock all components Block the high frequency signal and only unblock the low frequency component Block the low frequency signal and only unblock the high Coupling frequency component 100ns Set interval by using TRIG LEVEL control value range from Holdoft 10s 100ns 10s eee Oo Reset hold time to 100ns Reset Video Trigger Choose video trigger to trigger on fields or lines of NTSC PAL or SECAM standard video signals Trig menu refer to Fig 5 20 Fig 5 20 Video trigger menu Video menu list MENU SETTING INSTRUCTION Channel as the trigger source Channel 2 as the trigger source Source Use external source 1 5 of the External Trigger Source for increasing range of level Line Trigger the time base on the line of input video signal Sone Field Trigger the time base on the field of input video signal Odd Field Trigger the odd fields of input video signal Even Field Trigger the even fields of input video signal Designed Line Trigger the time base on chosen line of input video signal l NTSC Modulation PAL SECAM Format of video signal Holdoff 100ns 105 Set interval by using TRIG LEVEL control value range from 100ns 10s a Reset hold time to 100ns Reset 40 Pulse Width Trigger Pulse trigger occurs according to the width of pulse The abnormal signals can be detected through setting up
54. nblock the high frequency component Holdoff 100ns 10s Set interval by using TRIG LEVEL control value range from 100ns 10s o oe Reset hold time to 100ns Reset Alternate trigger Trigger Mode video Alternate trigger Trigger Type video Menu is shown as Fig 5 24 43 Video Fig 5 24 Alternate trigger Trigger Type video Menu Alternate trigger Trigger Type video Menu list MENU SETTING INSTRUCTION Channel 1 as the trigger source Channel 2 as the trigger source Source Use external source 1 5 of the External Trigger Source for increasing range of level Line Trigger the time base on the line of input video signal Field Trigger the time base on the field of input video signal Odd Field Trigger the odd fields of input video signal Even Field Trigger the even fields of input video signal Designed Line Trigger the time base on chosen line of input video signal NTSC PAL SECAM Format of video signal Holdoff 100ns 10s Set interval by using TRIG LEVEL control value range from 100ns 10s Holdoff Lie Reset hold time to default value 100ns Reset Alternate trigger Trigger Mode Pulse Alternate trigger Trigger Type Pulse Menu is shown as Fig 5 25 TRIG MODE TRIG MODE sf af Fig 5 25 Alternate trigger Trigger Type Pulse Menu 44 Alternate trigger Trigger Type Pulse menu list MENU SETTING INSTRUCTION Channel 1 as the trigger source Channel 2 as the trigge
55. ng BUS setup 80 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 Waveforms Setups Waveformso SetupsO Fig 5 73 Storage menu Storage menu instruction as below Function Setting Instruction Memory Waveform Waveform for storage or recall SEL Setups Setups for storage or recall Memory Waveform0 Waveform3 Storage 4 groups of waveform ID Setups 0 Setups 9 Storage 10 groups of setups Save Save current waveform setting 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 Press C SAVE REL after data acquisition finished and storage menu appears Press F1 till storage display as Waveform Press F2 till memory ID Display as Waveform 0 Press F3 to save current display waveform Info window will show Waveform saving then show as Waveform saved successfully when storage finished Press F1 till memory SEL as Setups 6 Press F2 till memory ID display as Setups 0 BR WN e Nn 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 to Fig 5 74 81 Waveforms Waveformsi Fig 5 74 Waveform saving How to use USB flash disk to s
56. ng datum point zero point position of the 10 waveform of the CH1 channel If the pointer is not displayed it shows that the channel is not opened 22 The positions of two purple dotted line cursors measurements 23 The reading shows the frequency of the two channels It is a 6 digits cymometer Its measurement range of frequency is 2Hz to full bandwidth When the triggering mode is edge triggering it is a one channel cymometer and it can only measure the frequency of the triggering channel When the triggering mode is alternating triggering it is a two channel cymometer and it can measure the frequency of two channels How to implement the General Inspection After you get a new MSO series oscilloscope it is recommended that you should make a check on the instrument according to the following steps 1 Check whether there is any damage caused by transportation If it is found that the packaging carton or the foamed plastic protection cushion has suffered serious damage do not throw it away first till the complete device and its accessories succeed in the electrical and mechanical property tests 2 Check the Accessories The supplied accessories have been already described in the Appendix A Enclosure 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 responsi
57. njury and prevent this product or any other products connected from damage In order to avoid any contingent danger this product is only used within the range specified Only the qualified technicians can implement the maintenance To avoid Fire or Personal Injury Connect the probe correctly The grounding end of the probe corresponds to the grounding phase Please don t connect the grounding end to the positive phase Use Proper Power Cord Use only the power cord supplied with the product and certified to use in your country Connect or Disconnect Correctly When the probe or test lead is connected to a voltage source please do not connect and disconnect the probe or test lead at random Product Grounded This instrument is grounded through the power cord grounding conductor To avoid electric shock the grounding conductor must be grounded The product must be grounded properly before any connection with its input or output terminal When powered by AC power it is not allowed to measure AC power source directly because the testing ground and power cord ground conductor are connected together otherwise it will cause short circuit When powered by battery the product must ground connection To avoid electric shock there must be a ground wire connect between ground and the ground port on the back of product panel Check all Terminal Ratings To avoid fire or shock hazard check all ratings and markers of this product Refer t
58. nnel bandwidth to 20MHz to reduce display noise OFF Close the measurement channel Channel ON Open the measuring channel IX 10X Choose one according to the probe 100X attenuation factor to make the vertical scale 1000X reading accurate Inverted OFF Papia original waveform ON Display inverted waveform 1 Setting Coupling for selected Channel A square waveform is used as an input in this example Press the CH1 MENU button to show submenu CH1 SETUP Press F1 next to Coupling and select AC now DC component is blocked 26 from input signal See Fig 5 2 Press F1 again to set DC mode both AC and DC components get passed See Fig 5 3 The wave forms are shown as Fig 5 2 and Fig 5 3 FF 100MHz Fig 5 2 AC Coupling Oscillogram FF 100MHz Fig 5 3 DC Coupling Oscillogram 2 Setting the Band Limit Taking the Channel for example the operation steps are shown as below 1 Press the CH1 MENU button and call out the CH1 SETUP menu 2 Press the F2 menu selection button and select the 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 3 Setting the Channel ON OFF 27 Taking the Channel for example the operation steps are shown as below 1 Press the CH1 MENU button and call out the CH1 SETUP menu 2 Press the F3 menu selection button and select the
59. nuates all signals with a frequency higher than 150 kHz 4 Holdoff A time interval before the oscilloscope responses to next trigger signal During this Holdoff period the trigger system becomes blind to trigger signals This function helps to view complex signals such as an AM waveform Press Holdoff button to activate TRIG LEVEL knob then turn it to adjust Holdoff time How to Operate the Function Menu The function menu control zone includes 7 function menu buttons and 3 immediate execution buttons SAVE RCL MEASURE ACQUIRE UTILITY CURSOR DISPLAY AUTOSCALE AUTOSET RUN STOP and U DISK COPY How to Implement Sampling Setup Press the ACQUIRE button and the menu is displayed in the screen shown as Fig 5 27 Setting Sampie Sample _ Normal sampling mode Use to capture maximal and minimal Peak Detect samples Finding highest and lowest points over adjacent intervals Reece Use to reduce random noises four options ae are available as followed Lies oe ene ne ee Or averages Fig 5 27 ACQU MODE Menu Here is an example for using Peak Detect function the input is a standard test square 47 waveform You can see the burrs on the falling edge of signal is detected with noise when it is turned on QWON Crisa veran annd tf Pos 0 000 ACQU MODE Sample NC Sn Peak z i i Detect BE peepeepeepeepee epep f af Average Averages CH1 5v CH2 50 0mu M 500us CH2 26 0mu CH1 999 921H
60. o the user s manual for more information about ratings before connecting to the instrument Do not operate without covers Do not operate the instrument with covers or panels removed Use Proper Fuse Use only the specified type and rating fuse for this instrument Avoid exposed circuit Do not touch exposed junctions and components when the instrument is powered Do not operate if in any doubt If you suspect damage occurs to the instrument have it inspected by qualified service personnel before further operations Use your Oscilloscope in a well ventilated area Make sure the instrument installed with proper ventilation refer to the user manual for more details Do not operate in wet conditions Do not operate in an explosive atmosphere Keep product surfaces clean and dry 2 Safety Terms and Symbols Safety Terms Terms in this manual The following terms may appear in this manual LN Warning Warning indicates the conditions or practices that could result in injury or loss of life Caution Caution indicates the conditions or practices that could result in damage to this product or other property Terms on the product The following terms may appear on this product Danger It indicates an injury or hazard may immediately happen Warning It indicates an injury or hazard may be accessible potentially Caution It indicates a potential damage to the instrument or other property might occur Safety Symbols Symb
61. ode 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 For DSO CH1 menu and CH2 menu correspond to setting menu in CH1 and CH2 Wave Math key refer to math menu the math menu consists of six kinds of operations including CH1 CH2 CH2 CH1 CH1 CH2 CH1 CH2 CH1 CH2 and FFT Two Vertical position knobs control the vertical position of CH1 CH2 and two Volts Div knob control voltage scale of CH1 CH2 For LA CH1 menu CH2 menu Wave math keys and CH2 Volts Div knob are 7 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 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 Ot
62. of CHOO Turn CH2 POSITION knob and set Cursor 2 position in next falling edge of CHOO 5 Now the time increment display between two cursors is 200us and frequency is 5KHz The time display of Cursor correspond to trigger position is 780us in F3 The time display of Cursor 2 correspond to trigger position is 580us in F4 P 86 Time Fig 5 80 Cursor time measurement Cursor measure position menu as below Function Display Instruction Position The position difference between two cursors in memory area Cursor 1 Position The position of cursor 1 corresponds to trigger in memory area Cursor 2 Position The position of cursor 2 corresponds to trigger in memory area Follow up below steps to measure data width of pulse with cursor measurement Press 9 CURSOR and Cursor menu appears Press F1 till cursor display as Position Two purples vertical lines display in panel and refer to Cursor and Cursor 2 separately 3 Turn CH1 POSITION knob and set Cursor 1 position in falling edge of CHOO Turn CH2 POSITION knob and set Cursor 2 position in next falling edge of CHOO 5 Now the position difference between two cursors display in F2 is 10 which means there is 10 acquired data between two cursors The position of Cursor 1 corresponds to trigger in memory position display in F3 as 2097158 The position of Cursor 2 corresponds to trigger in memory position display in F4 as 2057168
63. ols on the product The following symbol may appear on the product AN Hazardous Voltage Refer to Manual Protective Earth Terminal rh Chassis Ground Test Ground H To avoid body damage and prevent product and connected equipment damage carefully read the following safety information before using the test tool This product can only be used in the specified applications A Warning The two channels of the oscilloscope are non isolated electrically The channels should adopt common basis during measuring To prevent short circuits the 2 probe ground must not be connected to 2 different non isolated DC level 2 A Warning The channels should adopt common basis during measuring To prevent short circuits the 2 probe ground must not be connected to 2 different non isolated DC level The diagram of the oscilloscope ground wire connection Probe Oscilloscope Electrical Outlet Signal Input Power Cord Ground Clip The diagram of the ground wire connection when the battery powered oscilloscope is connected to the AC powered PC through the ports Probe Oscilloscope PC Electrical Outlet Battery power n USB COM Cable Ground Clip It is not allowed to measure AC power when the oscilloscope is AC powered or when the battery powered oscilloscope is connected to the AC powered PC through the ports Warning To avoid fire or electrical shock when the oscilloscope input signal connected is more than 42V
64. oscale if user is trying to adjust vertical position voltage division trigger level or time scale for CH1 or CH2 To back to Autoscale Press AUTOSET The oscilloscope is always on main time base The oscilloscope is turned into Peak Detection mode 1f it is in Average mode When video triggering the horizontal time scale is 50us If one channel is showing edge signal the other channel is showing video one the time scale refers to 50us as video one as standard How to Use Executive Buttons AUTOSET It s a very useful and quick way to apply a set of pre set functions to the incoming signal and display the best possible viewing waveform of the signal and also works out some measurement for user as well The following table gives the details of functions applied to the signal when using AUTOSET Function Items Setting Acquisition Mode Vertical Coupling Vertical Scale Adjust to the proper division Bandwidth Horizontal Level Middle 63 Mid point Setting RUN STOP Enable or disable sampling on input signals Notes When there is no sampling at STOP state user is still able to change vertical division or time base for waveform within a certain range If the time base is lt 50ms the time base can be adjusted 4 divisions downwards U DISK COPY Insert U disk into USB port then press COPY button and you can save the wavetorm data into the U disk To change between available formats see the Carry option in the D
65. ove up and down following the wave form Measuring Skill If the channel is under the DC coupling mode you can rapidly measure the DC component of the signal through the observation of the difference between the wave form and the signal ground If the channel is under the AC mode the DC component will be removed by filtration This mode helps you display the AC component of the signal with a higher sensitivity 2 Change the Vertical Setting and Observe the Consequent State Information Change With the information displayed in the status bar at the bottom of the waveform window you can determine any changes in the channel vertical scale factor 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 Press buttons of CH1 MENU CH2 MENU and MATH MENU the Operation menu symbols wave forms and scale factor status information of the corresponding channel will be displayed in the screen Introduction to the Horizontal System Shown as Fig 4 10 there are a button and two knobs in the HORIZONTAL CONTROLS The following practices will gradually direct you to be familiar with the setting of horizontal time base Fig 4 10 Horizontal Control Zone 1 Use the horizontal SEC DIV knob to change the horizontal time base setting and observe the consequent status informa
66. p D if setting error or need to be modified E Press F4 till type display as F Turn Trigger level adjust knob or press set 50 till trigger position display as NEXT T POS 50 BUS trigger setting is finished and ready for data acquisition ref to Fig 5 57 69 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 Pattern Don t Care Fig 5 58 Pattern trigger menu Pattern trigger menu as below Function Setting CHOO CHOF Select the channel to set signal pattern x0100000 16 channel status indicator Channel choice 00000000 X don t care 0 low 1 high 70 Don t Care No trigger occurs CHO0 CHOF Low Trigger occur when signal on the low level High Trigger occurs when signal on the high level To observe the 16 channel data need to know how data changed before and after when BITO 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 CHOO High and CHOO in F2 window display as 1 E Repeat operation of step D and set CHO1 CHO2 to High and CHO3 as Low CH04 CHOF set as Don t care Pattern trigger setting finished refer to Fig 5 59 and ready for data acquisition Pattern
67. panel of the MSO series mixed oscilloscope enabling you to be familiar with the use of the 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 buttons defined as Fl to F5 from top to bottom respectively through which you can set the different options for the current menu The other pushbuttons are function buttons through which you can enter different function menus or obtain a specific function application directly Front panel mn _ en ae rine HI Fig 4 1 Front panel overview 1 Power on off 2 Display area 3 Control key and knob area 4 Uslot 5 LA signal input 6 DSO signal input 7 Measurement signal output 8 Power and charging indication Green light indicates AC supply and battery full charged yellow light indicate under charging 6 Control key and knob area Fig 4 2 Keys Overview 1 Menu option setting F1 F5 2 Switch Switch includes two keys and one knob Press OSC LA to switch between DSO and LA For DSO cursor knob and info Key are idle But the cursor knob takes effect in magnifying or minifying the waveform after FFT operation when the m
68. quisition 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 by press F again during the process ZN Note When running status display as RUN TRIG during data acquiring process only F key for operate and other Keys or knobs are idle Only till status display as STOP then others operations are working How to observe and analyze the data Follow up below steps to observe and analyze the current data acquired 1 Turn Sec Div knob to adjust the time length for data display in each division to adjust the data resolution displayed 2 Turn Cursor knob to observe more details for the data of current cursor position The data of binary value for current cursor position display in binary system area and power on measure menu then bus value for current cursor position will display in measurement window 3 Turn horizontal position knob can move the current displayed data to left right position in storage area quickly We will use a simple measurement example to explain the primary setting for LA measurement We need to measure a three lines SPI signal three signals are enable clock and data Clock is in effect when enable is low clock data and clock frequency is 1
69. r locations the CH X would show the location you ve chosen Press F4 next to CH X to change to ON Now you will see a stored waveform displayed on the screen with whatever waveforms are already on there Example to save recall a waveform from location A Fig 5 38 52 Fig 5 38 Wave Saving Fig 5 39 FFT wave saving 53 How to Implement the Auxiliary System Function Setting Press the UNTILITY button and the menu is displayed in the screen as Fig 5 40 System Status Display the system function menu Recall Factory __ Call out the factory settings DoSelfCal Carry out the self calibration procedure Chinese Choose the display language of the Language English operating system Fig 5 40 Function Menu Carry out a Self Calibration We have a built in Self Calibration procedure by performing a Self Calibration would help to maintain the accuracy of your oscilloscope under ambient temperature It is recommended to carry a self Calibration if the change of the ambient temperature is up to or exceeds 5 C Notes Disconnect all inputs before carrying out a self calibration Fail to do so may cause damage to your oscilloscope Here are the procedures for carrying a self calibration Disconnect all inputs including probes and wires etc Press UTILITY to activate Function menu Press F3 next to Do Self Cal Now there is a yellow window popping up to ask for a confirmation Press F3 again the
70. r source He pulse width less than gt pulse width more than F Pulse width equal to e Pulse width less than 24 Pulse width more than A Pulse width equal to Turn TRIG LEVEL _ knob to set time AC Block the direct current component DC Unblock all components Coline HF Block the high frequency signal and only unblock the low frequency component LF Block the low frequency signal and only unblock the high frequency component Holdoff 100ns 10s Set interval by using TRIG LEVEL control value range from 100ns 10s oe ne Reset hold time to default value 100ns Reset Alternate trigger Trigger Mode Slope To select pulse width condition Alternate trigger Trigger Type Slope Menu is shown as Fig 5 26 Fig 5 26 Alternate trigger Trigger Type Slope Menu Alternate trigger Trigger Type Slope menu list MENU SETTING INSTRUCTION SOUE CHI Select CH1 as the trigger source CH2 Select CH2 as the trigger source Rising Edge and more than 45 Condition _ k Rising Edge and less than _ e Rising Edge and equal to ae Falling Edge and more than KE Negative pulse and less than ae Negative pulse and equal to Turn TRIG LEVEL knob to set slope time Highlevel Turn TRIG LEVEL knob to set the High level Turn TRIG LEVEL knob to set Low level Slewrate Slew rate High level Low level Settings AC Block the direct current component DC Unblock all component
71. red If the Trigger State Indicator at the top of the screen does not indicate Ready push down the RUN STOP button and start Acquire waiting the emergence of 91 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 and waits When there is a burr occurring the instrument will trigger automatically and record the wave form generated during the period around the trigger time With the HORIZONTAL POSITION knob in the horizontal control area in the panel rotated you can change the horizontal position of the trigger position to obtain the negative delay making an easy observation of the waveform before the burr occurs see Fig 6 3 CHI 1 04u Fig 6 3 Capture the Single Signal Example 4 Analyze the Details of a Signal Noise is very common inside most of the electronic signal To find out what s inside the noise and reduce the level of noise is very important function our oscilloscope is capable to offer Noises Analysis The level of noise sometime indicates a failure of electronic circuit The Peak Detect function acts an important role to help you to find out the details of this noise
72. s couple HF Block the high frequency signal and only unblock the low frequency component LF Block the low frequency signal and only unblock the high frequency component Holdoft Set interval by using TRIG LEVEL control value range from 100ns 10s Holdoff i Reset hold time to default value 100ns Reset Term interpretation 1 Source Trigger can occur from several sources Input channels CH1 CH2 AC Line Ext Ext 5 Input It is the most commonly used trigger source The channel will work when selected as a trigger source whatever displayed or not Ext Trig The instrument can trigger from a third source while acquiring data from CH1 and CH2 For example you might want to trigger from an external clock or with a signal from another part of the test circuit The Ext Ext 5 trigger sources use the external trigger signal connected to the EXT TRIG connector Ext uses the signal directly it has a trigger level range of 1 6 V to 1 6 V The EXT 5 trigger source attenuates the signal by 5X which extends the trigger level range to 8 V to 8 V This allows the oscilloscope to trigger on a larger signal AC Line AC power can be used to display signals related to the power line frequency such as lighting equipment and power supply devices The oscilloscope gets triggered on its power cord so you do not have to input an AC trigger signal When AC Line is selected as trigger source the oscilloscope automatically set co
73. s the operation options for the current function menu which changes with the function menus 8 The purple pointer shows the trigger level position 9 The reading shows the trigger level value 10 The reading shows the trigger source 11 It shows the selected trigger type Rising edge triggering L Falling edge triggering Video line synchronous triggering wil Video field synchronous triggering 12 The reading shows the window time base set value 13 The reading shows the main time base set value 14 The two yellow dotted lines indicate the size of the viewing expanded window 15 The icon shows the coupling mode of the CH2 channel indicates the direct current coupling 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 icon indicates the direct current coupling The icon indicates the AC coupling l e The icon indicates GND coupling 18 The reading indicates the vertical scale factor the Voltage Division of the CH1 channel 19 The information shows the zero point positions of CH1 or CH2 channel 20 The yellow pointer shows the grounding datum point zero point position of the waveform of the CH2 channel If the pointer is not displayed it shows that this channel is not opened 21 The red pointer indicates the groundi
74. scribed respectively as follows Single trigger Single trigger has four modes edge trigger video trigger pulse trigger and slope trigger Edge Trigger It happens when the trigger input passes through a given level along the set direction Video Trigger Carry out field or line video trigger on the standard video signal Pulse Trigger Use this trigger type to catch pulses with certain pulse width Slope Trigger The oscilloscope begins to trigger according to the signal rising or falling speed The four trigger modes in Single Trigger are described respectively as follows Edge Trigger Under the Edge Trigger mode a trigger happens in the trigger threshold value of the input signal edge When the Edge Trigger is selected a trigger will occur in the rising or falling edge of the input signal The Edge Trigger Menu is shown as Fig 5 19 Fig 5 19 Edge trigger menu Edge menu list INSTRUCTION CH1 Channel as the trigger source CH2 Channel 2 as the trigger source Source EXT Use external source EXT 5 1 5 of the External Trigger Source for increasing range of level AC LINE AC Line as resource trigger signal Set vertical channel trigger type for edge trigger Sone Rising Trigger on the rising edge Falling Trigger on the falling edge Auto Acquire data and display waveform with or without a trigger Trigger Normal Acquire data and display waveform when trigger mode Single Acquire data and display wavefor
75. ss F1 to set Vectors as type F2 to set Infinite for persist and F3 to set XY as Format as shown as Fig 5 35 Fig 5 35 Display in XY Format At the mode of FFT if switching YT to XY FFT MODE is unavailable prompts as Fig 5 36 Fig 5 36 FFI mode XY Format Disable 51 How to Save and Recall a Wave Form Press the SAVE RCL button you can save and call out the waveforms in the instrument The menu displayed in the screen is shown as Fig 5 37 Setting S te ie Source of wave form to be saved MATH Available sources CH1 CH2 MATH Location where selected waveform to DANT be saved or recalled Turn Display on off for selected and stored waveform CH X X A B C D A B C D Action to save selected waveform to Save selected location OFF ON Fig 5 37 Wave Form Save Menu Save a waveform A sine wave form input CH1 Follow these steps to save waveform from CH1 Under WAVE SAVE MENU press F1 next to Source to select CH1 Press F2 next to WAVE to assign Location A for this waveform Press F3 next to Save to store the waveform captured from CH1 Recall a stored waveform Once the waveform is stored you can recall and display it on the screen The waveform would remain there until the next one is stored at the same location hence the previous stored waveform would be overwritten by the new one To recall a stored waveform activate WAVE SAVE menu Press F2 next to Wave to select from one of fou
76. t When the Persist function is used the persistence display effect of the picture tube oscilloscope can be simulated the reserved original data is displayed in fade color and the new data is in bright color With the F2 menu selection button different persistence time can be chosen Isec 2sec 5sec Infinite and Closed When the Infinite option is set for Persist time the measuring points will be stored till the controlling value is changed see Fig 5 34 Fig 5 34 Infinite Persistence Display XY Format This format is only applicable to Channel and Channel 2 After the XY display format is selected Channel 1 is displayed in the horizontal axis and Channel 2 in the vertical axis the oscilloscope is set in the un triggered sample mode the data are displayed as bright spots and the sampling rate is IMS s and can not be changed The operations of all control knobs are as follows 50 The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel lare used to set the horizontal scale and position The Vertical VOLTS DIV and the Vertical POSITION knobs of Channel 2 are used to set the vertical scale and position continuously Notes The following functions would be disabled when XY Format is set M Reference or Any calculated wave form Cursor Function E All time base controls E All Trigger controls Use XY Format 1 Apply input signals to both CH1 and CH2 2 Press the DISPLAY to activate DISP Set menu 3 Pre
77. tandards of the country in which it is used User Manual One Options Battery Appendix B Maintenance Cleaning and Repairing General Maintenance Please don t store or put the instrument in the place where the liquid crystal display will be directly exposed to the sunlight for a long time Caution The instrument or probe should not be stained with the spraying agent liquid and solvent to avoid any damage to it Cleaning Check the probe and instrument regularly according to their operating state Clean the external surface of the instrument following the steps shown below 1 Please wipe the dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 Clean the instrument with a wet soft cloth not dripping water during the period of which please pay attention to the disconnection of power It is recommended to scrub with soft detergent or fresh water Please don t apply any corrosive chemical cleaning agent to prevent the instrument or probe from damage L Worn Before power on again for operation it is required to confirm that the instrument has already been dried completely avoiding any electrical short circuit or bodily injury resulting form the moisture 102 Appendix C Battery Using Guide Battery electric quantity indicating symbols including il Wl ana 1 Charging the oscilloscope The lithium batter
78. the current cursor For example follow up below steps to search signal complex of 00000000000010X1 Ax Press SEARCH and menu appears B Press F1 till target display as Pattern C Press F2 or turn CH1 Volts div knob to choose channel as CH00 D Press F3 and set CHOO as high Then CHOO in CH Sel refer to 1 E Repeat the operation of steps C D and set other channels status corresponding to 00000000000010X1 F Press F4 and choose Previous to search the matched value prior to current 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 84 0 0 1 0 0 1 1 1 0 NEXT T POS 50 Acg 100MHz 1 Got the target filter 0 KXXX XXAX XXXX OMA Previous 00ns div 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 OWON mii Cursor 128483 Memory Wave Setup Sampling Rate Memory Depth Digital Filter CHOO CHO3 Threshold CHO4 CHO Threshold CHO8 CHOB Threshold CHOC CHOF Threshold Trig Position Trig Mode Source Code Duration Type NEXT T POS 30 i 100MHz General 16K Hone 50 Data Width BusO
79. the operation of steps 5 6 and set BUS2 BUS3 as OFF 7 Press F1 till signal source display as Channel 8 Press F2 or turn CH1 Volts div knob till channel display as CH00 9 Press F3 to choose signal source as ON 10 Repeat operation of steps 8 9 and set CHO1 CH02 CH03 as ON 11 Press F2 or turn CH1 Volts Div knob till channel display as CH04 12 Press F3 to choose signal display as OFF 13 Repeat operation of steps 8 9 and set CHOS5 CHOF 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 BUSO BUS3 Every group can cover any channel even all channels BUS menu display as Fig 5 70 78 Exclude Fig 5 70 Bus menu BUS setting menu as below Function Setting BUSO BUS3 Choose BUS for operating CHOF CHO00 Choose any channel among CHOO CHOF Channel IX111111 BUS channel complex indication 1 for include X 11111111 for exclude Exclude The bus selected excludes this channel All of the code type and measured value are DEC For example to set BUSO as BUS to include CHOO CHO1 CH02 CH03 and code as hex system Follow up as below 1 Press O BUS to and BUS menu appears 2 Press F1 till BUS display as BUSO 3 Press F2 or turn CH1 Volts div knob till channel display as CH00 4 Press F3 and set CHOO as Include Then Channel CHOO refer to display of 1 5 Repeat the operation of steps
80. the pulse width condition The Pulse Width Trigger Menu is shown as Fig 5 21 TRIG MODE Fig 5 21 Pulse Width Trigger menu Pulse Width Trigger menu list MENU SETTING INSTRUCTION Channel as the trigger source CH2 Channel 2 as the trigger source HE pulse width less than gt pulse width more than Jhen L Pulse width equal to Pulse width less than To select pulse width condition 24 Pulse width more than Pulse width equal to 24ns 10s Turn TRIG LEVEL knob to set time Auto Acquire waveform whatever detect trigger condition or not Trigger Normal Only acquire waveform when match mode trigger condition Single Only acquire waveform for single time when detect trigger condition then stop AC Block the direct current component DC Unblock all components Courting HF Block the high frequency signal and only unblock the low frequency component LF Block the low frequency signal and only unblock the high frequency component Holdoft 100ns 10s Set interval by using TRIG LEVEL control value range from 100ns 10s Reset 41 Slope Trigger Slope trigger sets the oscilloscope as the positive negative slope trigger within the specified time The Slope Trigger Menu is shown as Fig 5 22 Fig 5 22 Slope Trigger menu Slope Trigger menu list MENU SETTING INSTRUCTION Sauce CH1 Channel as the trigger source CH2 Channel 2 as the trigger source _ 4 When Set slope condition 24ns
81. till type display as Falling Then trigger setting is finished refer to Fig 5 55 and ready for data acquisition owon Edge Falling Fig 5 55 Edge trigger setting 2 BUS trigger set BUS as trigger source and make data on BUS as the trigger condition to make trigger BUS trigger menu refer to Fig 5 56 68 Fig 5 56 Bus trigger menu Bus trigger menu as below Function Setting Instruction Source BUSO BUS3 BUSO to BUS3 can be set as trigger source 0x0000 0xffff Can be set discretionarily between 0x0000 and Oxffff HEX HEX 0 65535 or between 0 and 65535 DEC according to the bus and DEC code setting Trigger occur when the Bus value equal to the set code gt Trigger occur when the Bus value is more than or equal to Qualifier the set code lt Trigger occur when the Bus value is less than or equal to the set code For example to measure an 8 bit data signal we need to observe when data value as 0X18 how the data changed before and after We set the BUSO to include CHOO CHO7 and use channel CHOO CHO7 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 BUSO 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 ste
82. ting window correspond to F4 display red background Turn CH1 Volts Div knob and set duration as 50ns F Press F5 till qualifier display as gt G Turn Trigger level adjust knob or press set 50 till trigger position display as NEXT T POS 50 Then duration trigger setting finished refer to Fig 5 65 and ready for data acquisition Data Width Fig 5 65 Data width trigger How to set threshold Threshold setting is quite important because wrong setting will result in wrong 75 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 _HO4 CHO Custom Fig 5 66 Threshold setting menu Threshold menu function as below CH00 CH03 CH04 CH07 16 channels can be divided into 4 groups to have CH08 CHOB individual setting CHOC CHOF CMOS 2 5V CMOS level and set threshold voltage as 2 5V LVCMOS3 3 1 7V LYVCMOS3 3V_ level and set threshold voltage as 1 7V LVCMOS2 5 1 3V LYCMOS2 5V_ level and set threshold voltage as 1 3V LVCMOS1 8 0 9V LVCMOS1 8V_ level and set threshold voltage as 0 9V Custom Level can be set discretionarily CH SEL Threshold voltage 10 In custom the voltage can be set from 10V to 10V Voltage 10V forward by with the pace of 0 05V 0 05V pace For example Measure a batch of CMOS voltage data signal in channel of CHOO CHO3 and a batch of 1 V
83. tion change Rotate the horizontal SEC DIV knob to change the horizontal time base and it can be found that the Horizontal Time Base display in the status bar changes accordingly The horizontal scanning speed steps from 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 the triggering displacement of the signal or for other special applications If it is applied to triggering the displacement it can be observed that the wave form moves horizontally with the knob when you rotate the Horizontal Position knob 3 With the HORIZONTAL MENU button pushed down you can set and initiate the Window Expansion Introduction to the Trigger System Shown as Fig 4 11 there are a knob and four buttons in the TRIGGER CONTROLS The following practices will direct you to be familiar with the setting of the trigger system gradually Fig 4 11 Trigger Control Zone Press the TRIG MENU button and call out the trigger menu With the operations of the 5 menu selection buttons the trigger setting can be changed 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 t
84. ton 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 frequency domain of a signal as opposed to the oscilloscope s standard time domain graph You can match these frequencies with known system frequencies such as system clocks oscillators or power supplies FFT in this oscilloscope can transform 2048 points of the time domain signal into its frequency components and the final frequency contains 1024 points ranging from OHz to Nyquist frequency The following table describes the FFT menu 30 ON Turn on FFT function FFT OFF Turn off FFT function CHI DO FFT on Channel Source CH2 DO FFT on Channel 2 Rectangle Blackman Window Type of window for FFT Hanning Hamming dB Display in dB Format Vrms Display in Vrms K a multiple 2 Zoom multiple 5 multiple 10 Taking the FFT operation for example the operation steps are as follows l l multiple 1 Press F1 once to turn on FFT Press again to turn it off Be aware that only to use FFT when Horizontal Menu is set for main Timebase Not on Window setting mode Again the green waveform is displayed as a result of FFT Press F2 to switch the F
85. torage _Use USB flash disk is to storage acquired data Insert U disk into USB port then press B key and you can save the waveform data into the U disk There is two formats available for choice Vector format and Bitmap which the corresponding name will be WAVEI BIN WAVE2 BIN WAVE3 BIN or WAVE1 BMP WAVE2 BMP WAVE3 BMP Then you can open the files in computer by connecting USB disk to computer Noted During the U disk saving procedure some notes such as Waveform saving Waveform saved USB already connected USB connection interrupt etc will be prompted 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 8SEARCH and menu appears B Press F1 till target display as Trig position C Press F2 to start searching and current cursor will stop in the trigger position 82 Trig Position Fig 5 75 Search trigger position 2 Search specified value in BUS Searching BUS menu as below Function Setting BUSO BUS3 Choose searching BUS 0x0000 0xffff Can be set discretionarily between 0x0000 and Code type HEX Oxffff HEX or between 0 and 65535 DEC 0 65535 DEC according to the bus and code setting Previous Search the matched value prior to current cursor Search the matched value after current cursor For example follow up below st
86. toscale function How to Use Executive Buttons Logic analyzer How to set sampling system How to set trigger system How to set threshold How to set display system How to set BUS How to measure How to save and recall How to use USB Mass storage device to storage How to search How to review setting info How to use cursor measurement 25 How to set Utility It is recommended that you read this chapter carefully to get acquainted the various measurement functions and other operation methods of the MSO series oscilloscope 5 1Digital Storage Oscilloscope 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 the system shows the operation menu of the corresponding channel see Fig 5 1 By pressing F1 F2 F3 F4 etc you can change and select the settings The following table explains more details of these function and settings Function Menu Setting Description AC Block the DC component from input signal DC Pass both AC and DC components from Coupling input signal GROUND Input signal is interrupted OFF 1OOMHz Get full bandwidth Band Limit ON 20MHz Limits the cha
87. ty in the TRIG MODE menu and the trigger level exceeds the wave form range If it is make the trigger level is centered in the screen or set the trigger mode as Auto In addition with the AUTOSET button pressed the setting above can be completed automatically After the AVERAGE value sampling is set in the ACQU MODE or the longer duration is set in the DISP MODE the display rate is slowed down It is a normal phenomenon 96 8 Technical Specifications Unless otherwise specified the technical specifications applied are applicable to the probe with the attenuation switch setting 10X and the MSO series digital oscilloscope Only if the oscilloscope fulfill the following two conditions at first can these specification standards be reached This instrument should run for more than 30 minutes continuously under the specified operating temperature m If the change range of the operating temperature is up to or exceeds 5 C open the system function menu and execute the Auto calibration procedure All specification standards can be fulfilled except one s marked with the word Typical Digital Storage Oscilloscope anadh 100MHz MSO7102TD MSO8102T cua 200MHz MSO8202T 2 1 Extemal Normal Peak detect Averaging IGS s half channel SOOMS s each Acquisition meree dino channel MSO7102TD 2GS s_ half channel 1GS s each channel MSO8102T MSO8202T Input coupling DC AC Ground Input impedance IMQ 2
88. upling to DC set trigger level to OV 2 Trigger Mode The trigger mode determines how the oscilloscope behaves in the absence of a trigger event The oscilloscope provides three trigger modes Auto Normal and Single 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 46 Normal The Normal mode allows the oscilloscope to acquire a waveform only when it is triggered If no trigger occurs the oscilloscope keeps waiting and the previous wavetorm if any will remain on the display Single In Single mode after pressing the RUN STOP key the oscilloscope waits for trigger While the trigger occurs the oscilloscope acquires one waveform then stop Single In Single mode after pressing the RUN STOP key the oscilloscope waits for trigger While the trigger occurs the oscilloscope acquires one waveform then stop 3 Coupling Trigger coupling determines what part of the signal passes to the trigger circuit Coupling types include AC DC LF Reject and HF Reject AC AC coupling blocks DC components DC DC coupling passes both AC and DC components LF Reject LF Reject coupling blocks DC component and attenuates all signal with a frequency lower than 8 kHz HF Reject HF Reject coupling atte
89. window HORIZONTAL MENU button Press this button to active TIME MODE shown as below with description of each function see Fig 5 14 29 Setting oo The setting of the horizontal main time l base is used to display the wave form The defined window area for display is window area is defined by two Set Window YS y cursors expanded to the full screen Fig 5 14 Time Mode Main Time Base Press the F1 menu selection button and choose the Main Time Base In this case the HORIZONTAL POSITION and SEC DIV knobs are used to adjust the main window The display in the screen is shown as Fig 5 15 CH1 800mu Fig 5 15 Main 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 Press F2 menu button under the FFT mode it will notice FFT mode disable See Fig 5 16 36 CH1 800mu Fig 5 16 Window Setting Main Fig 5 17 Set Window disable under FFT mode Zone Window Press the F3 menu selection button and choose Zone Window As a result the window area defined by two cursors will be expanded to the full screen size see Fig 5 18 37 Z CH1 800my Fig 5 18 Zone Window How to set trigger system When the oscilloscope begins to collect the data and display the wave form
90. with a relatively slow varying spectrum This is a very good window for resolving frequencies that are very close to the same value with somewhat improved amplitude accuracy over the rectangle window It has a slightly better S Hamming 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 This is a very good window for measuring amplitude accuracy but less so for resolving frequencies S Hanning Use Hanning for measuring sine periodic and narrow band random noise This window works on transients or bursts where the signal levels before and after the event are significantly different This is the best window for measuring the amplitude of frequencies but worst at resolving frequencies Blackman Use Blackman Harris for measuring predominantly single frequency waveforms to look for higher order harmonics Fig 5 9 5 10 5 11 5 12 show four kinds of window function referring to sine wave of 1KHz 32 OWON C0 beer _ tt Pos 1 03 08012 CH1 20dB 125Hz DI 5KS s Fig 5 9 Blackman window OWON STOP M Pos 1 030KHz CH1 20dB 25Hz DI 5KS s Fig 5 10 Hamming window OWON STOP M Pos 1 030KHz TU ie eS OS eS SO St e e A ee Se E SP SO a Sa eC ee ee E ea ete 7 CH1 204aB 250Hz DI 5KS s Fig 5 11 Rectangl
91. xample 2 Working out the Gain of the Amplifier in the Metering Circuit 0 90 Example 3 Capture the Single Signal so cccsiscsscccacscacedivcseseccensesvsdecesssisceessvevecescccecwcsdsvessesssaveceass 91 Example 4 Analyze the Details of a Signal ccccccccssssssssssssccccssssssssssccccsscccsssssssssccsssseeees 92 Example 5 Examine the Phase shift between two related signals ssssssssscccscsseeeees 94 Example 6 Video Siotial Tritger wiciscessscccstsscissscscscvsssesesceteecedsos sees sodcescucdoaseessvsess ccodsesedvarsouccses 95 TA E E O EAN T EE AE EA E a aee tsetse a 96 S echnical Specificali niS cincinnati 97 Dicital Storage OSCHOSCO pe wisacascsiecsicccsccssaseeiaseccecccessenessiivecaccassueeweawacuccasesenveasncecscasesiecseeaieveese 97 Loic ANALY ZOL orere RRN EEA A EN EE ER ETERA 100 General Technical Specifications sissisicicccssscencsescicussssoausediccanscsissasssiscdeuscaicousseeseacseiisiawsenieetuse 101 De AD DONIGIN oani dau seiuwaguavecderssdecadebobeunseueiawasuivewsonssdeaaleuks 102 A PDENGIX As ENCIS G arurae aE EEATT 102 Appendix B Maintenance Cleaning and Repairing ssecccccsssscececccsssssscccecoosssseceeocossssssee 102 Appendix C Battery Using Guid siiissicesssvccecccisvasccdictesscieesansthssscwassiccerssiSetaseelesiesdinviasvebiveeuss 103 1i 1 General Safety Requirements Before any operations please read the following safety precautions to avoid any possible bodily i
92. y maybe not be charged when delivery Please charge the battery for 12 hours to make sure enough power to supply to oscilloscope The battery can supply power for 4 hours after being charged completely There will have battery power indication show on the top of panel when oscilloscope power supplied by the battery i and i imply for different power consumption and when i shows it means the power can only supply for 5 minutes maximum Note To avoid superheat of battery during charging the environment temperature is not allowed to exceed the permissible value given in technical specification Replacing the Lithium Battery Unit It is usually not required to replace the battery unit But when it is required to replace it only qualified personnel can carry out this operation and only use the same specification lithium battery 103
93. yu Fig 5 47 Wave Form of Cursor Measurement The Cursor Measurement for FFT model Press the CURSOR button to display the cursor measurement function menu CURS MEAS in the screen which includes Vamp Measurement and Freq Measurement at the mode of FFT shown as Fig 5 48 Fig 5 48 CURS MEAS Menu The description of the cursor measurement menu is shown as the following table Setting Description OFF Switch off the cursor measurement Type Vamp Display the Vamp measurement cursor and menu Freq Display the Freq measurement cursor and menu MATH FFT Display the channel for the cursor measure Delta Read the difference between cursors Read the position of Cursor the Freq is read Cursor 1 with reference to the start point of freq spectrum and the Vamp is to the cursor F Read the position of Cursor 2 the Freq is read Cursor 2 with reference to the start point of freq spectrum and the Vamp is to the cursor F 60 When carrying out the cursor measurement the position of Cursor can be adjusted with the CURSORI 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 FI and choose Vamp for Type with two purple dotted lines displayed along the horizontal direction of the screen indicating CURSORI and CURSO
94. z Fig 5 28 Peak Detect mode OWON Trig d baan M Pos 0 000ns ACQU MODE Ly E ae i ke a Peak Detect 1 SERES ee LERES es E E refe A Average 7 l Averages CH1 5v CH2 20 0mu M 500us CH1 0 00mu CH1 999 926Hz Fig 5 29 Common ACQU Mode display in which no burr can be detected OWON Cirigi boa M Pos 0 000ns ACOU MODE Sample ee ee Peak Detect _ oo ae I Averages CH1 5u CH2 50 0myu M 500us CH2 26 0my CH1 999 921Hz Fig 5 30 Average on with reduced noise on waveform 48 How to Set the Display System Push down the DISPLAY button and the menu displayed in the screen is shown as Fig 5 31 Function Setting Description Menu Vectors The adjacent sampling points are joined by vecto Type form Dots Only displaying sampling points captured OFF ee Options for setting the persistence time for each Persist 2sec P P Roan sampling point Infinite Formai YT Show waveform as voltage against time XY Show waveform as CH1 X against CH2 Y 5 ET COPY button Batter On Show battery level 4 Off Turn off battery level F1 next to Type to change from Vectors to Dots Fig 5 32 and Fig 5 33 show Bitmap This setting affects the format of the files saved to Carry Vectors the inserted USB storage device by pressing Press waveform in different type Fig 5 32 Display in the Vector Form 49 Fig 5 33 Display in Dots form Persis
95. z MSO7102TD MSO8102T 200M Hz MS08202T Input impedance 660KQ 5 15 5pF Threshold level 6V 6V Input signal range 30V 30V Trigger position setting Pre trigger mid trigger re trigger Measurement bandwidth Edge trigger Bus trigger Pattern trigger Sequential Trigger Mode queue data Distributed queue trigger Data width queue trigger 100 General Technical Specifications Display Display Type 8 Colored LCD Liquid Crystal Display Display Resolution 640 Horizontal x 480 Vertical Pixels Display Colors 65536 colors TFT screen Output of the Probe Compensator Output Voltage About 5V with the Peak to Peak value equal to or greater Typical than IMQ of load Frequency Typical Square wave of 1KHz Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT H 2A T grade 250V Environment Working temperature 0 C 40 C Storage temperature 20 C 60 C Relative Humidity Temperature Operating 3 000 m Height Non operating 15 000 m Cooling Method Natural convection Mechanical Specifications 370mmx 180mmx120mm 2 2 kilogram Interval Period of Adjustment One year is recommended for the calibration interval period 101 9 Appendix Appendix A Enclosure Standard Accessories Passive probe 2 1 2 m 1 1 10 1 OL 16 LA measurement module CD x PC link application software RS232 data line or USB data line Power line one up to the s

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