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1. Figure 43 Set the network parameters of the oscilloscope To learn about how to operate the software you can press F1 in the software to open the help document October 2014 Page 69 USER S MANUAL a 5 DEMONSTRATION 5 1 je Example 1 Measurement a Simple Signal The purpose of this example is to display an unknown signal in the circuit and measure the frequency and peak to peak voltage of the signal gt Carry out the following operation steps for the rapid display of this Signal Set the probe menu attenuation coefficient as 10X and that of the switch in the probe switch as 10X see How to Set the Probe Attenuation Coefficient Connect the probe of Channel 1 to the measured point of the circuit Press the Autoset button The oscilloscope will implement the Autoset to make the waveform optimized based on which you can further regulate the vertical and horizontal divisions till the waveform meets your requirement gt Perform Automatic Measurement The oscilloscope can measure most of the displayed signals automatically To measure the period and frequency of the Channel 1 and the mean and peak to peak voltage of the Channel 2 follow below steps Press the Measure button Select Add in the bottom menu Select Source in the right menu select in the left menu Select Type in the right menu select Period in the left menu Select Add in the right menu the period options added completes Se
2. seeeenennnnknnnnnnnanknnnnnnznnnu 76 5 6 Example 6 Video Signal TrigGer cccccccccccsseceectccseeceetseuseneesteeuennsengs 78 SMa Slee Bas S000 Ce re a eee er ec eee 79 FEE A rica rinse EEE E E A E EE ERREA 81 S PTEN AE aa ee RA AEEA 85 Gal General Cal aA EA AA EA 85 G 2 CEN E EEA i aA 85 October 2014 USER S MANUAL Zr PROMAX qm TOUCHSCREEN DIGITAL OSCILLOSCOPE OD 624 1 INTRODUCTION 1 1 lig General Characteristics Bandwidth 200 MHz 4 CH Sample rate 2 GS s 7 6 M record length Waveform zooming horizontal vertical and saving FFT points length and resolution variable Multi windows extension User friendly voice warning 8 inch 800X600 pixels high definition touchscreen Multi communication interface USB VGA LAN October 2014 Page 1 USER S MANUAL 2 JUNIOR USER GUI DEBOOK This chapter deals with the following topics mainly Introduction to the structure of the oscilloscope Introduction to the user interface 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 Introduction to the Touchscreen Controls 2 1 a Introduction to the Structure of the Oscilloscope When you get a new type oscil
3. 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 attenuates all signals with a frequency higher than 150 kHz October 2014 USER S MANUAL gt Holdoff Trigger holdoff can be used to stabilize a waveform The holdoff time is the oscilloscope s waiting period before starting a new trigger The oscilloscope will not trigger until the holdoff time has expired It provides a chance for user to check the signal in a short period and helps to check some complex signals such as AM waveform etc gt Trigger Control Trigger Use a trigger level to capture stable waveforms in two channels simultaneously Trigger has four modes edge trigger video trigger slope trigger and pulse trigger Edge Trigger It occurs when the trigger input passes through a specified voltage level with the specified slope Trigger on non synchronized signals Video Trigger Trigger on fields or lines for standard video signal Slope Trigger The oscilloscope begins to trigger according to the signal rising or falling speed Pulse Trigger Find pulses with certain widths The four trigger modes in Trigger are described respectively as follows 3 4 1 lii Edge Trigger An edge trigger occurs on trigger threshold value of input signal Select Edge trigger mode to
4. Cursor and measurement information etc Setup files can be saved to one of 15 internal locations or to internal external storage To save the setup information Press the Save button Select Save in the bottom menu select Save Setup Select Destination in the right menu in the left menu select one of 15 internal locations or select File to save to internal external storage If the Destination is Seti Set15 skip this step If it is File you can select File detail to enter the file explorer The path and file name are Shown in the Save To line in the bottom Select the save location see To select the path or file in file explorer If you want to customize the file name select Edit file name in the right menu see To edit file names Select OK Save in the right menu Select OK Save in the right menu You can also save setup files by just pressing the Copy button see To save with Copy button push 3 5 3 4 jet To displav remove reference waveforms Page 44 Press the Save button Select Ref in the bottom menu For R1 R4 switch to ON the reference waveform will be displayed switch to OFF the reference waveform will be removed You can display multiple reference waveforms at the same time When the reference waveform is ON you can select Vertical in the right menu select repeatedly to make the G symbol in front of div turn the G knob to adjust the vertical position then select to make the G symbol in front of th
5. Mode Single When trigger occurs acquire one waveform then stop Holdoff Holdoff 100ns 10s turn the G knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns October 2014 Page 35 USER S MANUAL 3 4 4 Slope Trigger Slope trigger sets the oscilloscope as the positive negative slope trigger within the specified time The description of the Slope Trigger Menu is as follows Menu struction _ _ yee Slope Set vertical channel trigger type as pulse trigger D Channel 1 as trigger signal D Channel 2 as trigger signal Sones gt Channel 3 as trigger signal Channel 4 as trigger signal aa e o Slope selecting when i Set slope condition turn the G knob to set slope ES Tele time Slew Rate Slew Rate High level Low level Settings High level Adjust G knob to set the High level upper limit Threshold Low level Adjust G knob to set Low level lower limit amp SlewRate Slew Rate Slew Rate High level Low level Settings Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Mode Single When trigger occurs acquire one waveform then stop Holdoff Holdoff 100ns 10s turn the G knob to set time interval before another trigger occur Reset Set Holdoff time as 100ns Page 36 October 2014 USER S MANUAL 3 5 How to Operate the Function Menu The function menu control zone inclu
6. Create folder Rename or Delete in the right menu See To edit file names October 2014 Page 47 USER S MANUAL 3 5 4 How to Implement the Auxiliary System Function Setting gt Config To change the user interface language Press the Utility button select Config in the left menu Select Language in the bottom menu select the desired language in the right menu To set the network parameters Using the LAN port the oscilloscope can be connected with a computer directly or through the router to connect The network parameters can be set in Net Config dialog Refer to Using LAN Port on P60 for the operation steps Press the Utility button select Config in the left menu Select Net Config in the bottom menu the IP Config dialog will pop up Touch the byte to show the cursor you can drag to select the numbers Select the number keys below in the dialog to change the value the range of each byte is 0 255 The range of Port is O 65535 Touch ca to delete current byte Touch ce complete the setting To change the date and time Press the Utility button select Config in the left menu Select Time Config in the bottom menu the Time Setting dialog will pop up Touch the value that needs to be changed a cursor will appear You can drag to select the numbers Turn the G knob to change the selected value Touch OK to complete the setting To enable disable VGA output The VGA port could be connected to
7. in the bottom menu select Type in the right menu You can switch between Dots and Vect Persist When the Persist function is used the persistence display effect of the picture tube oscilloscope can be simulated The reserved original data is displayed in fade color and the new data is in bright color Press the Acquire button select Wave Display in the bottom menu select Persist Time in the right menu Turn the G knob to select different persist time including OFF 100ms 10s and Infinity When the Infinity option is set for Persist Time the measuring points will be stored till the controlling value is changed Select Persistence OFF to turn off persistence and clear the display Select Clear to erase the results of previous acquisitions from the display The oscilloscope will start to accumulate acquisitions again XY Mode XY Mode is used to display the amplitude from one waveform against the amplitude from another The data point from the first waveform specifies the horizontal location while the corresponding data point from the second waveform specifies the vertical location for each displayed point The red waveform is CH1 versus CH2 the purple waveform is CH3 versus CH4 The oscilloscope is set in the un triggered sample mode the data are displayed as bright spots The operations of all control knobs are as follows The Vertical VOLTS DIV and the VERTICAL POSITION knobs of CH1 are used to set the horizontal scale a
8. parameters The OD 624 oscilloscope provide time parameters auto measurements include Frequency Period Rise Time Fall Time Width Width Duty Duty Delay 2 EA Delav 2 L Delay e 0 a Delay Page 56 Rise Time Fall Time l I l i l l 1 l l 1 I I l 1 l l i l Width Width el Figure 31 Shows a pulse with some of the time measurement points October 2014 USER S MANUAL Rise Time Time that the leading edge of the first pulse in the waveform takes to rise from 10 to 90 of its amplitude Fall Time Time that the falling edge of the first pulse in the waveform takes to fall from 90 to 10 of its amplitude Width The width of the first positive pulse in 50 amplitude points Width The width of the first negative pulse in the 50 amplitude points Delay 2 and Delay 2 L The delay between the two channels at the rising edge Delay and Delay B 0t The delay between the two channels at the falling edge Duty Duty Cycle defined as Width Period Duty Duty Cycle defined as Width Period 3 5 6 E How to Measure with Cursors Press the Cursor button to display the cursor measurement function menu in the bottom menu If there is already a cursor measure window at the top right you can touch it to display the Cursor Measure Menu too 3 5 6 1 MI The Cursor Measurement for normal mode The cursor measuremen
9. range of the port value is 0 65535 but the port which under 2000 is always be used so it is suggested to set it to the value above 2000 Here we set it to 3000 October 2014 USER S MANUAL Ax PROMAX f Ports settings er ee i Connect using 2 Custom USE Transfer Instructions Some Types can choose to get bin bmp or deep memory data O WaveF orm b Image High Memory Depth Get Image File bmp Setting Keep Getting Delay ims 2000 Save data file automatically to below directory jis Browse For there is a limit number of files in one single directory of Windows File System FATI6 FATS HTFS 0 the number of files ta be saved is not certain it 15 recommended to choose a directory in NIFS disk drive turn off the storage channels in device and use short directory path to save more files Get Data now Keep Getting now Figure 42 Set the network parameters of the Software Set the network parameters of the oscilloscope In the oscilloscope Press the Utility button select Config in the left menu Select Net Config in the bottom menu Set the IP Address and Port to the same value as the Ports settings in the software in step 3 The Netmask and Gateway should be set according to the router You can refer to To set the network parameters Touch to complete the setting If you can get data normally in the software the connection is successful IP Address Netmask Gateway Port
10. read the following steps Press the Utility button select Pass Fail in the left menu Enable switch on select Operator in the bottom menu set Enable as ON in the right menu Create rule select Rule in the bottom menu Select Source in the right menu select the desired source in the left menu Select Horizontal or Vertical in the right menu turn the G knob to set Horizontal or Vertical tolerance Select Create in the right menu Set output type Select Output in the bottom menu Choose any one or two of the options Pass Fail or Ring Pass and Fail are mutually exclusive options which could not be chosen simultaneously Begin to test Select Operator in the bottom menu Select Operator as Start in the right menu the test will begin Save rule Select Save rule in the bottom menu Select Save in the right menu to enter file explorer The path and file name are shown in the Save To line in the bottom Select the save location see To select the path or file in file explorer If you want to customize the file name select Edit Filename in the right menu see To edit file names Select OK Save in the right menu Page 51 USER S MANUAL Recall rule Select Save rule in the bottom menu Select Recall in the right menu to enter file explorer Select rule file PF see To select the path or file in file explorer Select the channel that you want to load to in the right menu 0 000ns Depth 760
11. reference waveforms or to internal external storage To save the current waveform data Press the Save button Select Save in the bottom menu select Save Waveform Select Source in the right menu in the left menu select an opened channel or a previously stored reference waveform Select Destination in the right menu in the left menu select one of 4 reference waveforms R1 R4 or select File to save to internal external storage Select Cut in the right menu repeatedly to switch between Screen data or All data If the Destination is reference waveform skip this step If it is File you can select File detail to enter the file explorer The path and file name are shown in the Save To line in the bottom Select the save location see To select the path or file in file explorer on P43 In the right menu select File format repeatedly to switch between csv bin If you want to customize the file name select Edit file name in the right menu see To edit file names on P43 Select OK Save in the right menu Select OK Save in the right menu You can also save the waveform data by just pressing the Copy button see To save with Copy button push on P44 You can also save the reference waveform to storage in Ref menu see To display remove reference waveforms October 2014 Page 43 USER S MANUAL 3 5 3 3 To Save setup files Setup information includes acquisition information such as vertical horizontal trigger
12. the change of ambient temperature is 5 C or over Before performing a self calibration disconnect all probes or wires from the input connector Press the Utility button select Calibrate in the left menu select Self Calibrate in the bottom menu A confirmation window will pop up select OK after everything is ready Page 12 October 2014 USER S MANUAL 2 9 Introduction to the Vertical Svstem As shown in Figure 10 there are a few of buttons and knobs in VERTICAL CONTROLS The following practices will gradually direct you to be familiar with the using of the vertical setting October 2014 Figure 10 Vertical Control Zone Use the button VERTICAL POSITION knob to show the signal in the center of the waveform window The VERTICAL POSITION knob functions the regulating of the vertical display position of the signal Thus when the VERTICAL POSITION knob is rotated the pointer of the earth datum point of the channel is directed to move up and down following the waveform gt 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 would be filtered out This mode helps you display the AC component of the signal with a higher sensitivity Vertical offset back to 0 shortcut key Turn the VERTICAL POSITION kn
13. 6 3 5 3 9 To save with Copy button push cece nnnknnnnnnnnnnannkna nanna 47 3 5 3 10 To manage file LL 47 3 5 4 How to Implement the Auxiliary System Function Setting 6 en 48 3 5 5 How to Measure Automatically ccc eeennnnnkkznnnnnnnknnnnnnnnkknnnnnnnnzznna 53 3 5 5 1 The automatic measurement of voltage paraMeters cce cece ees 55 3 5 5 2 The automatic measurement of time parameters ss eeeeeenennnzznni 56 3 5 6 How to Measure with Cursors ccccccceccseeee cece eeeeee eee eeeeeeeeeeesaaeeeeeeegs 57 3 5 6 1 The Cursor Measurement for normal mode eeenannennnnnnnnennnnna 57 3 5 6 2 The Cursor Measurement for FFT mode ccccccceeeeeeeeeeeeeeeeneeeeeeeas 60 3 5 7 How to Use Autoscale LL LEE EEEEE KA KEE EEEnnn Ez E Ent 61 3 5 8 Mowto Use Executive Buttons isicccisnsccnvesdnias cianeterehecasacteneascesaxedenwess 63 i COMMUNICATION WITH PCG sees eeuduaciagiasaes ka iii ta iii bi ta kari ei bia 65 al UcM Sh OU i etika eta i pie aa bal 65 4 2 ADSM AN PONTA ta bdfa 66 43 Connect through a Poeti i AT ENAA iaa 68 Re aa A E AT N 70 5 1 Example 1 Measurement a Simple Signal ee eesennnnnzennnnnzennnnnnnnna 70 5 2 Example 2 Gain of an Amplifier in a Metering Circuit sssssssssssrsrrsera 71 5 3 Example 3 Capturing a Single Signal L enennnnnnnnnnnnnnnknnnnn nn 73 5 4 Example 4 Analyze the Details of a Signal e eeeenennnnennnnnnnnnnna 75 5 5 Example 5 Application of X Y Function
14. A 26 3 2 Use VERTICAL POSITION and VOLTS DIV Knobs eeeeennenennnnnnnnzzzznz 29 3 3 How to Set the Horizontal Svstem Lsoeeeeeeennnnnkznnnnnnnknnnnnnnnzkzkannnanznzznnz 30 3 3 1 Zoom the Waveform ikel 30 3 4 How to Set the Trigger System ll eennnnnnnnennnnnnnnnnnnnznnnn nkun rama renta 31 Ahd EGOS WIG QAL a IG 33 See Video FOQRA 34 Seto Pulse Width TGJ L a ati A Ea 35 Se slope TOOT i p ae miwseesenaeiae soe ecaaeer sma ees sens 36 3 5 How to Operate the Function Menu ccccccceceeesseneneeeeeeuensaueuessuueuensuenes 37 3 5 1 How to Implement Sampling Setup eeeeeennnekkennnnnnnknnnnnnannnnzznni 37 3 5 2 How to Set the Display System Le sseennnnnnkannannnnkkennanznnkznnnnnnenzmznaa 39 29 THOW lO Save and Recall ssscrnsescavatescanscawinesanaueeertansieasiawmaneareeaweuneesens 42 3 5 3 1 To save the current screen image ccccceece esse eee eeeeeeeeeeeeeeeeeeeeeenaes 42 3 5 3 2 To save waveform data to reference waveform StOrage sceeeeeee 43 3J TO SAVE Stp leS cjiiceswecasosedcuasasimanewssiasaeessiccnwsacuuueiestcaentaeayseda 44 3 5 3 4 To displav remove reference waveforms sesessssrsrrrrrnrnrrrrrrerenno 44 October 2014 USER S MANUAL 3 5 3 5 To recall waveform data in storage L eeernnnnnnnkknnnnnnnzzknnnnnnnn na 45 S 5 300 TO recall Setup MES niesi A A KEEA Ali 45 3 5 3 7 To select the path or file in file explorer L enneennazennnnenennnnnnnennnn 45 Boone Toredit TIS NaC erti i d 4
15. It has slightly better frequency resolution than Hanning Recommend to use for Hamming Sine periodic and narrow band random noise Transients or bursts where the signal levels before and after the event are significantly different October 2014 Page 27 USER S MANUAL Characteristics Window Best solution for magnitude worst for frequencv Recommend to use for Blackman Single frequencv waveforms to find higher order harmonics The Bartlett window is a slightly narrower variant Bartlett of the triangular window with zero weight at both ends The frequency resolution when using the Kaiser window is fair the spectral leakage and amplitude accuracy are both good The Kaiser window is best used when frequencies Kaiser are very close to the same value but have widely differing amplitudes the side lobe level and Shape factor are closest to the traditional Gaussian RBW 5 window is also good for random signals gt Notes for using FFT Use Zoom function to magnify the FFT waveform if necessary see Zoom the Waveform Use the default dB scale for details of multiple frequencies even if they have very different amplitudes Use the Vrms scale to compare frequencies DC component or offset can cause incorrect magnitude values of FFT waveform To minimize the DC component choose AC Coupling on the source signal To reduce random noise and aliased components in repetitive or single shot events set the o
16. OD 624 TOUCHSCREEN DIGITAL STORAGE OSCILLOSCOPE Version Date Firmware Version _ October 2014 O MI2011 USER S MANUAL SAFETY RULES A The safety can turn compromised if there are not applied the instructions given in this Manual Use the equipment only on systems or devices to measure the negative connected to ground potential or off grid This is a class I equipment for safety reasons plug it to a supply line with the corresponding ground terminal This equipment can be used in Over Voltage Category II installations and Pollution Degree 1 environments see 2 3 When using some of the following accessories use only the specified ones to ensure safety Power cord Probes Observe all specified ratings both of supply and measurement Remember that voltages higher than 7OV DC or 33V AC rms are dangerous Use this instrument under the specified environmental conditions The user ts only authorized to carry out the following maintenance operations Replace the mains fuse of the specified type and value On the Maintenance paragraph the proper instructions are given Any other change on the equipment should be carried out by qualified personnel The negative of measure is at ground potential Do not obstruct the ventilation system Follow the cleaning instructions described in the Maintenance paragraph October 2014 AA PROMAX USER S MANUAL Symbols related with
17. ON and SEC DIV HORIZONTAL POSITION knob this knob is used to adjust the horizontal positions of 4 channels the analytic resolution of which changes with the time base SEC DIV knob it is used to set the horizontal scale factor in the main window or the zoom window Horiz button View the waveform in zoom mode and analyze the detail of the signal For more detailed operations see the introductions below 3 3 1 E Zoom the Waveform Press the Horiz button the display divides in half The top half of the display shows the Main window and the bottom half displays the Zoom window The Zoom window is a magnified portion of the Main window Selected portion Main Window Zoom factor and horizontal position of Zoom Factor 10X Zoom Position 760 0us the Zoom window Zoom Window Depth 760 Time base of Time base of Main window Zoom window Figure 22 Page 30 October 2014 USER S MANUAL When Main Window is selected in the bottom menu the HORIZONTAL POSITION and SEC DIV knobs are used to adjust the horizontal position and time base of the Main window The time base of Zoom window is changed as well When Zoom Window is selected in the bottom menu the HORIZONTAL POSITION and SEC DIV knobs are used to adjust the horizontal position and time base of the Zoom window NOTE When the time base of the Zoom window is same as the Main window the interface will get back to the normal mode automatically the zoo
18. PK PK in the left menu October 2014 USER S MANUAL Select Add in the right menu the PK PK added completes finish setting of CH2 The measured value will be displayed at the bottom left of the screen automatically see Figure 29 Sa 1O0K5 s a Depth 760 i M 500us Figure 29 Automatic measurement 3 5 5 1 The automatic measurement of voltage parameters The OD 624 oscilloscope provide time parameters auto measurements include Frequency Period Rise Time Fall Time Width Width Duty Duty Delay e 0 La Delay 2 L Delay e 0 Delay e 0 ka Overshoot Max ae Vtop PK PK Vamp Vbase Min Preshoot Figure 30 October 2014 Page 55 USER S MANUAL PK PK Peak to Peak Voltage Max The maximum amplitude The most positive peak voltage measured over the entire waveform Min 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 useful for square pulse waveforms Overshoot Defined as Max Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Min Vbase Vamp useful for square and pulse waveforms Mean The arithmetic mean over the entire waveform RMS The true Root Mean Square voltage over the entire waveform 3 5 5 2 Uh The automatic measurement of time
19. Pass Fail Figure 28 Pass Fail test When Pass Fail is ON if you enter XY mode Pass Fail will be closed in the XY mode Pass Fail menu is disabled Under the status of stop data comparing will stop and when it goes on running the number of Pass Fail will increase from the former number not from zero Page 52 October 2014 USER S MANUAL gt Sync Output Press the Utility button and select Sync Output in the left menu The description of Sync Output menu is shown as the follows TRESS seni ormen Trig level Output trig signal synchronously Pass fail Output High Level when Pass and Low Level when Fail gt System Press the Utility button and select System in the left menu The description of System menu is shown as the follows Function Menu Description Select a topic in Help catalog to view the help content To exit the Help window touch in the top right corner or just press the panel buttons Show the series number and version Update Place the software upgrade in the root of the U disk 3 5 5 E How to Measure Automatically Press the Measure button to display the menu for the settings of the Automatic Measurements The oscilloscopes provide 22 parameters for auto measurement including Period Freq Mean PK PK RMS Max Min Vtop Vbase Vamp Overshoot Preshoot Rise Time Fall Time Width Width Duty Duty Delay e 25 Delay 2 L Delay e 0 4 Delay 0 0 Oc
20. 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 Page 14 October 2014 USER S MANUAL 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 waveform moves horizontally with the knob when you rotate the HORI ZONTAL POSITION knob gt Triggering displacement back to O shortcut key Turn the HORIZONTAL POSITION knob to change the horizontal position of channel and press the HORIZONTAL POSITION knob to set the triggering displacement back to O as a shortcut key With the HORI Z MENU button you can do the Window Setting and the Window Expansion 2 11 E I ntroduction to the Trigger System As shown in Figure 12 there are one knob and three buttons make up TRIGGER CONTROLS The following practices will direct you to be familiar with the setting of the trigger system gradually October 2014 TRIGGER Figure 12 Trigger Control Zone Press the Trigger Menu button and call out the trigger menu With the operations of the menu selection buttons the trigger setting can be changed Use the TRI G LEVEL knob to change the trigger level sett
21. a computer monitor The image of the oscilloscope can be clearly displayed on the monitor Press the Utility button select Config in the left menu Select VGA as ON or OFF in the bottom menu Page 48 October 2014 USER S MANUAL gt Displav Press the Utilitv button and select the Displav in the left menu The description of Displav Menu is shown as the follows Function Menu Setting Description Drag the slider or turn the G knob to 07A o Person isis adjust the backlight B Menu Display 5s 50s Set the disappear time of left and right a menu ON OFF OFF Enable disable the touchscreen controls gt Calibrate Press the Utility button and select Calibrate in the left menu The description of Calibrate menu is shown as the follows Function Menu Description Self Calibrate Carry out the self calibration procedure Factory Set Call out the factory settings Touch Screen i Touchscreen accuracy calibration Calibrate October 2014 Page 49 USER S MANUAL gt Page 50 Do Self Calibration The self calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent If the change of the ambient temperature is up to or exceeds 5 C the self calibration procedure should be executed to obtain the highest level of accuracy Before performing a self calibration disconnect all probes or wires from the i
22. ave parameters with the Save menu you can save files with a single push of the Copy button For more details please see To save with Copy button push October 2014 USER S MANUAL 1 4 COMMUNI CATION WITH PC The OD 624 oscilloscope support communications with a PC through USB or LAN port You can use the communication software to store analyze and display the data Here is how to connect with PC First install the communication software on the supplied CD Then there are several ways of connection to choose from 4 1 E Using USB Port Connection Use a USB data cable to connect the USB Device port in the rear panel of the Oscilloscope to the USB port of a PC Install the driver Run the communication software on PC press F1 to open the help document Follow the steps of title I Device connection in the document to install the driver Port setting of the software Run the software click Communications in the menu bar choose Ports Settings in the setting dialog choose Connect using as USB After connect successfully the connection information in the bottom right corner of the software will turn green Oscilloscope Soft eare 1 0 0 ew Format Communications Langaage Help 6288 5 al lt 308 8 ivizions 10 10 2 UU CHI Tine Div scale ni CHL Volt Div 2 00 10 i00 10 100 V 10 100 w flu Keap getting without caving Eiles you can cat the filas cova di
23. ctober 2014 Page 19 USER S MANUAL gt Scroll the list If there is a scroll bar in the left menu or in the file system window you can drag your finger up and down to scroll the list When a G symbol appears in the menu it indicates you can turn the G knob to select the menu item or set the value When there is W in the menu select it to return to the main menu 2 12 5 E Other operations using touchscreen gt Display the Measure Menu Measure button Touch the measure window to display the Measure Menu in the bottom menu gt Display the Cursor Measure Menu Cursor button Touch the cursor measure window to display the Cursor Measure Menu in the bottom menu gt Set the system time Touch the time in the top right corner of the screen to display the time setting window Touch to display the Cursor Measure Menu Touch to set time Touch to select the menu item Drag to scroll the list Touch to select the menu item Touch to display the Measure Menu Touch to select the menu item Figure 19 Page 20 October 2014 USER S MANUAL 3 ADVANCED USER GUI DEBOOK Up till now you have already been familiar with the basic operations of the function areas buttons and knobs in the front panel of the oscilloscope Based the introduction of the previous Chapter the user should have an initial knowledge of the determination of the change of the oscilloscope setting through observing th
24. des 6 function menu buttons Utility Measure Cursor Acquire Save Autoscale and 4 immediate execution buttons Autoset Run Stop Single Copy 3 5 1 E How to Implement Sampling Setup Press the Acquire button select Mode or Length to set sampling The description of the Mode menu is shown as follows Use to capture maximal and minimal samples Finding highest and lowest points over Peak detect adjacent intervals It is used for the detection of the jamming burr and the possibility of reducing the confusion 4 8 16 32 Average 64 128 256 512 It is used to reduce the random and don t care noises with the optional number of averages The description of the Length menu is shown as follows Function Menu Setting Description 760 7 6K Length Choose the record length 760K Change the Mode settings and observe the consequent variation of the wave form displayed October 2014 Page 37 s jet 1 j nnee fe j kal TOOU S iat ibs R i 1 q M A T i L i i i z i i UTE MOOC Eg ARE ta mna oe 777 M SODus OV ZF iode en xyMode Cymometer i a Wave Display w n 20 0mv Peak Detect 760 JINSA FF ON AE Sa 100KS s Figure 23 Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise is heavy ena ded an See e ae Average 16
25. e 58 October 2014 USER S MANUAL Carry out the steps below for the time cursor measurement of the channel CH1 October 2014 Press the Cursor button Select Source in the bottom menu select in the left menu Select Tvpe in the bottom menu select Time in the right menu Two red dotted lines displaved along the vertical direction of the screen which indicating L1 and L2 Select Line in the bottom menu select LI in the right menu The G icon will appear beside the dotted line of L1 represents you can turn the G knob to adjust the position of L1 Select L2 to adjust the position of L2 Select LL amp L2 to adjust the two cursors together The cursor measure window at the top right shows the present time of cursor 1 and cursor 2 the absolute difference and the frequency see Figure 33 El O 000ns za 1 00 k5 s Depth 760 M 500us Figure 33 Waveform of Time Cursor Measurement Page 59 USER S MANUAL 3 5 6 2 tal The Cursor Measurement for FFT mode Perform the steps below for the Vamp cursor measurement in FFT mode Press the Cursor button Select Source in the bottom menu select M in the left menu Select Type in the bottom menu select Vamp in the right menu Two blue dotted lines displayed along the horizontal direction of the screen which indicating L1 and L2 Select Line in the bottom menu select L1 in the right menu The G icon will appear beside the dotted line of L1 represents you can tu
26. e V div below turn the G knob to adjust the voltage division Select Horizontal in the right menu do the same operations as above to set the horizontal position and time base Select Ref detail in the right menu a window will pop up to show the sample rate and sample length Select Save to file in the right menu to save current reference waveform to internal external storage See the step 6 of To save waveform data to reference waveform storage October 2014 USER S MANUAL 3 5 3 5 To recall waveform data in storage Press the Save button Select Recall in the bottom menu select Recall Waveform Select the waveform file in file explorer csv bin see To select the path or file in file explorer Select the reference waveform that you want to load to in the right menu Operate the selected reference waveform see To display remove reference waveforms 3 5 3 6 je To recall setup files Setup files can be recalled from one of 15 internal locations or from internal external storage Press the Save button Select Recall in the bottom menu select Recall Setup Select From in the right menu in the left menu select one of 15 internal locations or select File to recall from internal external storage If you select one from Setl Set15 select OK Load in the right menu If vou select File select File detail to enter the file explorer Select the setup file in file explorer set see To select the path
27. e low frequency suppress to smooth the high frequency or low frequency noise triggered by the interference October 2014 Page 79 USER S MANUAL gt No Display Responses to the Push down of Run Stop Check whether Normal or Signal is chosen for Polarity in the TRIG MODE menu and the trigger level exceeds the waveform 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 gt The displaying of waveform seems getting slow after increasing AVERAGE value in Acqu Mode see How to Implement Sampling Setup or a longer duration is set in the Persist in Display see Persist It s normal as the Oscilloscope is working hard on many more data points Page 80 October 2014 USER S MANUAL ArsPROMAX 7 SPECIFICATIONS AN BANDWIDTH 200 MHz Channel 4 ACQUISITION Mode Normal Peak detect Averaging Waveform Capture rate 50 000 Max Sample rate real time Four CH 1 GS s Dual CH 2 GS s Single CH 2 GS s INPUT Input coupling DC AC Ground Input impedance 1 MQ 2 in parallel with 10 pF 5 pF 500 1 Probe attenuation factor 1X 10X 100X 1000X Max input voltage 1 MQ input impedance 400 V PK PK DC AC PK PK 50 Q input impedance 5 V PK PK DC AC PK PK Bandwidth limit 20 MHz full bandwidth Channel channel isolation 50 Hz 100 1 10 MHz 40 1 Time d
28. e 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 r 2 or 32 2 2n If the principal axis of the ellipse is in the II and IV quadrants the determined phase difference angle is in the II and III quadrants that is within the range of n 2 z or n 3n 2 5 6 Example 6 Video Signal Trigger Observe the video circuit of a television apply the video trigger and obtain the stable video output signal display gt Page 78 Video Field Trigger For the trigger in the video field carry out operations according to the following steps Press the TRIGGER Menu button Select Trig Mode in the bottom menu select Video in the left menu Select Source in the bottom menu select in the left menu Select Modu in the bottom menu select NTSC in the right menu Select Sync in the bottom menu select Field in the right menu Turn the VOLTS DIV VERTICAL POSITION and SEC DIV knobs to obtain a proper waveform display see Figure 50 fa 0 000ns Sa TOOMS s Depth 76K Video NTSC Field Figure 50 Waveform Captured from Video Field Trigger October 2014 USER S MANUAL 6 TROUBLESHOOTING gt Oscilloscope is powered on but no Display Check whether the power connection is connected properly Restart the inst
29. e 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 coupling to DC set trigger level to OV 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 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 waveform 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 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
30. e 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 2 Junior User Guidebook This chapter will deal with the following topics mainly How to Set the Vertical System Use Mathematical Manipulation Function 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 How to Implement the Auxiliary System Function Setting How to Implement the Automatic Measurement How to Implement the Cursor Measurement How to Use Autoscale function How to Use Executive Buttons VvvvvvvvvvvVv YY It is recommended that you read this chapter carefully to get acquainted the various measurement functions and other operation methods of the TDS series oscilloscope 3 1 a How to Set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1 CH4 and Math and four knobs such as VERTICAL POSITION VOLTS DIV for each channel gt Setting of CH1 CH4 Each channel has an independent vertical menu and each item is set respectively based on the channel October 2014 Page 21 AA PROMAX USER S MANUAL gt To turn waveforms on or off channel math Pressing the CH1 CH4 or Math buttons have the following effect If the waveform is off the waveform is turned on and its menu is displayed If the waveform is on and its
31. e used as source signals October 2014 USER S MANUAL For the examination of the input and output of the circuit in the form of X Y coordinate graph please operate according to the following steps October 2014 Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X see How to Set the Probe Attenuation Coefficient Connect the probe of channel 1 to the input of the network and that of Channel 2 to the output of the network Turn on CH1 and CH2 turn off CH3 and CH4 using the CH1 CH4 keys Push down the Autoset button with the oscilloscope turning on the signals of the two channels and displaying them in the screen Turn the VOLTS DIV knob making the amplitudes of two signals equal in the rough Press the Acquire button to display menu in the bottom Switch XY Mode as ON The oscilloscope will display the input and terminal characteristics of the network in the Lissajous graph form Turn the VOLTS DIV and VERTICAL POSITION knobs optimizing the waveform With the elliptical oscillogram method adopted observe and calculate the phase difference see Figure 49 The signal must be centered and kept in the horizontal direction Figure 49 Lissajous Graph Page USER S MANUAL Based on the expression sin q A B or C D there into q is the phase difference angle and the definitions of A B C and D are shown as the graph above As a result th
32. ect repeatedly to make the G symbol in front of Hz turn the G knob to adjust the horizontal position of FFT waveform then select to make the G symbol in front of the Hz div below turn the G knob to adjust the time base of FFT waveform Select Vertical in the right menu do the same operations as above to set the vertical position and voltage division Page 26 October 2014 USER S MANUAL gt To select the FFT window There are 6 FFT windows Each one has trade offs 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 to select the best window Characteristics Best solution for frequency worst for magnitude Best type for measuring the frequency spectrum of non repetitive signals and measuring frequency components near DC Recommend to use for Rectangle Transients or bursts the signal level before and after the event are nearly equal l Equal amplitude sine waves with frequencies those are very close Broadband random noise with a relatively Slow varying spectrum Good for magnitude but poorer frequency resolution than Hamming Recommend to use for Hanning Sine periodic and narrow band random noise Transients or bursts where the signal levels before and after the event are significantly different Better solution for magnitude than Rectangle and good for frequency as well
33. elay between channel typical 150 ps HORI ZONTAL SYSTEM Sampling rate range Four CH 0 5 S s 1 GS s Dual CH 0 5 S s 2 GS s Single CH 0 5 S s 2 GS s I nterpolation sin x x Max Record length lt Max sampling rate 7 6M Scanning speed S div 2 ns div 100 s div step by 1 2 5 Sampling rate relay time accuracy 100 ppm Interval AT accuracy DC 1O0OOMHz Single 1 interval time 100 ppm x reading 0 6 ns Average 716 1 interval time 100 ppm x reading 0 4 ns Max Sample rate real time for Dual CH Select one of the channels in CH1 and CH2 and the other one in CH3 and CH4 October 2014 Page 81 AA PROMAX USER S MANUAL VERTI CAL SYSTEM A D converter Sensitivity Displacement Analog bandwidth Low Frequency Rise time DC accuracy DC accuracy average Waveform inverted MEASUREMENT Cursor Automatic Waveform Math Waveform storage Lissajous figure Bandwidth Phase difference COMMUNI CATION PORT TRI GGER Trigger level range I nternal Trigger level Accuracy typical Internal Trigger displacement Trigger Holdoff range Page 82 8 bits resolution 4 Channel simultaneously 2 mV div 10 V div 10 div 200 MHz gt 5 Hz at input AC coupling 3dB lt 1 7 ns at input Typical 3 Average gt 16 3 rdg 0 05 div for AV ON OFF A V and A T between cursors PK PK Max Min Vtop Vbase Vamp Mean RMS Overshoot Preshoot Freq Period Ri
34. ent or the PROMAX distributor responsible for this business informed about it a repairing or replacement of the instrument will be arranged by the PROMAX 2 4 in How to Implement the Function Inspection Make a fast function check to verify the normal operation of the instrument according to the following steps Connect the power cord to a power source Push down the button of the Signal on the left bottom The instrument carries out all self check items and shows the Boot Logo Press the Utility button select Calibrate in the left menu select Factory Set in the bottom menu The default attenuation coefficient set value of the probe in the menu is 10X Set the Switch in the Oscilloscope Probe as 10X and Connect the Oscilloscope with CH1 Channel Align the slot in the probe with the plug in the CH1 connector BNC and then tighten the probe with rotating it to the right side Connect the probe tip and the ground clamp to the connector of the probe compensator Press the Autoset Button The square wave of 1 KHz frequency and 5V peak peak value will be displayed in several seconds see Figure 5 October 2014 Page 9 USER S MANUAL Sa 100KS s_ Depth 760 Figure 5 Auto set Check CH2 CH3 and CH4 by repeating Step 2 and Step 3 2 5 ji i 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
35. er Page 68 Connection Use a LAN line to connect the oscilloscope with a router the LAN port of the oscilloscope is in the rear panel the computer should be connected to the router too Set the network parameters of the computer Since the oscilloscope cannot support obtaining an IP address automatically you should assign a static IP address The Default gateway and Subnet mask should be set according to the router Here we set the IP address to 192 168 1 71 Subnet mask is 255 255 255 0 Default gateway is 192 168 1 1 Internet Protocol TCP IP Properties General You can get IF settings assigned automatically if your network supports this capability Gtherwise you need to ask your network administrator far the appropriate IF settings Obtain an IF address automatically IF address Subret mask Liefault gateway e Use the following DNS server addresses Prefered DNS server 192 168 1 Atemata DONS server Advanced Cancel Figure 41 Set the network parameters of the computer Set the network parameters of the Software Run the software on the computer choose the Ports settings of the Communications menu item Set Connect using to LAN About the IP the first three bytes is same as the IP in the step 2 the last byte should be different Here we set it to 192 168 1 72 The
36. es Separate Noises from the 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 October 2014 Page 75 USER S MANUAL Here are the steps for how to enable Average function Press the Acquire button Select Mode in the bottom menu select Average in the right menu Turn the G knob and observe the waveform obtained from averaging the waveforms of different average number User would see a much reduced random noise level and make it easy to see more details of the signal itself After applying Average user can easily identify the burrs on the rising and falling edges of some part of the signal see Figure 48 Acquire Mode Average 76 16 Sa 100KS s Depth 760 M 500us Mode f Average 760 Figure 48 Reduce Noise level bv using Average function 5 5 il Example 5 Application of X V Function gt Page 76 Examine the Phase Difference between Signals of two Channels Example Test the phase change of the signal after it passes through a circuit network X Y mode is a very 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 ar
37. f corresponding channel to make it in selected state gt Set the vertical position of the selected channel VERTICAL POSITION knob Unselect the channel window drag your finger up or down across the left half of the screen Page 16 October 2014 USER S MANUAL gt Set the voltage division of the selected channel vertical VOLTS DIV knob Select the channel window bordered drag your finger up or down across the left half of the screen gt Set the trigger level of the source in trigger menu TRIG LEVEL knob Drag your finger up or down across the right half of the screen 2 12 2 E Set the Horizontal System through touchscreen Increase the Decrease the time base til ii time base Sa 50 0KS s Depth 760 M 1 0ms AC i MO X10 Figure 14 gt Set the horizontal position HORIZONTAL POSITION knob Drag your finger left or right across the top half of the screen gt Set the horizontal time base horizontal SEC DIV knob Drag your finger left or right across the bottom half of the screen 2 12 3 im Zoom the Waveform through Touchscreen Press the Horiz button the display divides in half The top half of the display shows the Main window and the bottom half displays the Zoom window October 2014 Page 17 A PROMAX gt Vertical Operations The vertical operations in Main Zoom window are the same as in normal mode Control the vertical position voltage division of the selected channe
38. i Sete bor 8 ACE eB Nar dT ted tel ed RS EA bat Viet Verve h 1 Sa 100KS s____ Depth 760 CENS Oj 240v999 500H2 XYM Mode Length Wave Display XV Mode Cymometer Sample 760 FONGE O FF ON AM Figure 24 Normal ACQU Mode displav in which no burr can be detected Page 38 October 2014 USER S MANUAL 1 kI O 000ns Sa 100K5 s Depth 760 M 500us Figure 25 The displaved waveform after the noise is removed under the Average Mode in which the average number of 16 is set 3 5 2 E How to Set the Display System Press the Acquire button select Wave Display XY Mode or Cymometer to set the display system The description of the Display Set Menu is shown as follows Function Menu Setting Description Dots Only the sampling points are displayed Type Vect The space between the adjacent sampling points in the display is filled with the vector form OFF 100ms Wave Persist evans Turn the G knob to set the persistence Display Time 9 95 time 10s Infinity a i Turn off persistence and clear the display Erase the results of previous acquisitions from the display The oscilloscope will start to accumulate acquisitions again ON Turn on the XY display function AMORE Turn off the XY display function ura rat t Turn on the cvmometer M OFF Turn off the cymometer October 2014 Page 39 USER S MANUAL Page 40 Display Type Press the Acquire button select Wave Display
39. ing By rotating the TRIG LEVEL knob the trigger indicator in the screen will move up and down With the movement of the trigger indicator it can be observed that the trigger level value displayed in the screen changes accordingly Page 15 USER S MANUAL PS Turning the TRIG LEVEL knob can change trigger level value and it is also the hotkey to set trigger level back to O Press the button 50 to set the trigger level as the vertical mid point values of the amplitude of the trigger signal Press the Force button to force a trigger signal which is mainly applied to the Normal and Single trigger modes 2 12 ia Introduction to the Touchscreen Controls When Gesture is ON which is set in menu Utility gt Display gt Gesture you can control the oscilloscope by touching different areas of the screen You can also use the buttons knobs enclosed in brackets to do the same thing 2 12 1 a Set the Vertical System through touchscreen bo 1 360ms Control the vertical position voltage division of the selected channel Control the trigger level of the source in trigger menu Touch to select the channel B Selected Unselected kw ik i B c BG li c b B gt o Fi 4 Sa S0 0KS s Depth 760 M 1 0imns AC Touch to switch between unselected selected to control the vertical gesture on the left screen Figure 13 gt Select a channel CH1 CH4 buttons Touch the pointer on the left side o
40. it is changed again CAUTION The default attenuation coefficient of the probe on the instrument is preset to 10X Make sure that the set value of the attenuation switch in the probe is the same as the menu selection of the probe attenuation coefficient in the oscilloscope The set values of the probe switch are 1X and 10X see Figure 8 Figure 8 Attenuation Switch October 2014 Page 11 USER S MANUAL CAUTION When the attenuation switch is set to 1X the probe will limit the bandwidth of the oscilloscope in 5MHz To use the full bandwidth of the oscilloscope the switch must be set to 10X 2 7 i How to Use the Probe Safely The safety guard ring around the probe body protects your finger against any electric shock shown as Figure 9 Figure 9 Finger Guard CAUTION To avoid electric shock always keep your finger behind the safety guard ring of the probe during the operation To protect you from suffering from the electric shock do not touch any metal part of the probe tip when it is connected to the power supply Before making any measurements always connect the probe to the instrument and connect the ground terminal to the earth 2 8 ji i How to Implement Self calibration The self calibration application can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement value You can carry out this application program at any time This program must be executed whenever
41. it to the value above 2000 Here we set it to 3000 Page 66 October 2014 USER S MANUAL Ax PROMAX f Parts sett ings er ee Connect using 2 Custom USE Transfer Instructions Some Types can choose ta get bin bmp or deep memory data O WaveF orm b Image High Memory Depth Get Image File bmp Setting Keep Getting Delay ims 2000 Save data file automatically to below directory Browse For there is a limit number of files in one single directory of Windows File System FATI6 FATS HTFS 0 the number of files ta be saved is not certain it 15 recommended to choose a directory in NIFS disk drive turn off the storage channels in device and use short directory path to save more files Get Data now Keep Getting now Figure 39 Set the network parameters of the Software Set the network parameters of the oscilloscope In the oscilloscope Press the Utility button select Config in the left menu Select Net Config in the bottom menu Set the IP Address and Port to the same value as the Ports settings in the software in step 3 You can refer to To set the network parameters Touch to complete the setting If you can get data normally in the software the connection is successful IP Address Netmask Gateway 192 168 1 1 Port Go Figure 40 Set the network parameters of the oscilloscope October 2014 Page 67 USER S MANUAL lt m 4 3 Connect through a rout
42. l Control the trigger level of the source in trigger menu a ILI a Na Tat hl Main Window pene Touch to switch between unselected selected to control the vertical gesture on the left screen Figure 15 gt Horizontal Operations When Zoom Window in the bottom menu is selected the horizontal operations using touchscreen are shown in the figure below a Control the horizontal position of Main Window Main Window U J Zoom Window Increase the time bsas Decrease the time Ses of Zoom Window 4 gt of Zoom Window Figure 16 Page 18 October 2014 USER S MANUAL Zr PROMAX When Main Window in the bottom menu is selected the horizontal operations using touchscreen are shown in the figure below r Zoom Factor 10 Zoom Position 768 0us Q 1 440m5 Increase the time base 4 5 Decrease the time base 3 7 of Main Zoom Window iii of Main Zoom Window Sa 25 0K5 5 Depth 760 W2 Oms Z2 200uUs Figure 17 2 12 4 a Operate the Menu through Touchscreen or Buttons Knob gt Select a menu item Touch the menu items in the bottom menu H1 H5 buttons or in the right menu F1 F5 buttons or in the left menu G knob gt Switch menu items If there are options that can be switched in the menu you can repeatedly touch the area of the menu item to switch or press the corresponding button to switch See figure below Press repeatedly to switch the options Figure 18 O
43. lect Freq in the left menu Select Add in the right menu the frequency added completes finish setting of CH1 Select Source in the right menu select in the left menu Select Type in the right menu select Mean in the left menu Select Add in the right menu the Mean added completes Select PK PK in the left menu Select Add in the right menu the PK PK added completes finish setting of CH2 Page 70 October 2014 USER S MANUAL The measured value will be displayed at the bottom left of the screen automatically see Figure 44 i 0 000ns Green Swiss Sa 100KS s Depth 760 M 500us Figure 44 Measure Frequency and PK PK value for a given signal 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 Set the probe menu attenuation coefficient as 10X and that of the switch in the probe as 10X see How to Set the Probe Attenuation Coefficient Connect the oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end October 2014 Page 1 USER S MANUAL gt Operation Steps Press the Autoset button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state Press the Measure button Select Add in the bottom me
44. lect video modulation SECAM Line Synchronic trigger in video line Field Synchronic trigger in video field Odd Synchronic trigger in video odd filed Even Synchronic trigger in video even field Line NO Synchronic trigger in designed video line turn the G knob to set the line number Page 34 October 2014 USER S MANUAL A PROMAX Acquire waveform even no trigger occurred Holdoff 100ns 10s adjust the G knob to set time interval Holdoff before another trigger occur Reset Set Holdoff time as 100ns 3 4 3 E Pulse Width Trigger Pulse trigger occurs according to the width of pulse The abnormal signals can be detected through setting up the pulse width condition The description of the Pulse Width Trigger Menu is as follows Menu Settings Instruction _ Trigger Pulse Set vertical channel trigger type as pulse trigger Mode Channel 1 as trigger signal D Channel 2 as trigger signal skala B Channel 3 as trigger signal Channel 4 as trigger signal AC Not allow DC portion to pass DC Allow all portion pass C HF Not allow high frequency of signal pass and only oupling l low frequency portion pass LF Not allow low frequency of signal pass and only high frequency portion pass Polarity Choose the polarity 4 E F When Select pulse width condition and adjust the G knob to set time Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred
45. loscope you should get acquainted with its front panel at first and the digital storage oscilloscope is no exception This chapter makes a simple description of the operation and function of the front panel of the oscilloscope enabling you to be familiar with the use of the oscilloscope in the shortest time 2 1 1 a Front Panel The 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 Fi F5 in the column on the right side of the display screen or in the row under the display screen H1 H5 are menu selection buttons 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 VvvvvvvvvvvVv Vv Vv Page 2 October 2014 USER S MANUAL AZPROMAX WWW proma xelectronics com Figure 1 Front Panel Display area Control key and knob area Probe Compensation Measurement signal 5V 1KHz output Signal Input of 4 Channels Menu off Power on off Folding Foot in the bottom which tilt the oscilloscope October 2014 Page 3 Zr PROMAX USER S MANUAL 2 1 2 Rear Panel Figure 2 Rear Panel USB Host port It is used to transfer data when external USB equi
46. m mode will be turned off You can also zoom the waveform through touchscreen see Zoom the Waveform through Touchscreen 3 4 L How to Set the Trigger Svstem Trigger determines when TDS starts to acquire data and displav waveform Once trigger is set correctiv it can convert the unstable displav to meaningful waveform When TDS starts to acquire data it will collect enough data to draw waveform on left of trigger point TDS continues to acquire data while waiting for trigger condition to occur Once it detects a trigger it will acquire enough data continuousiv to draw the waveform on right of trigger point Trigger control area consists of 1 knob and 3 menu kevs TRIG LEVEL The knob that set the trigger level press the knob and the level will be cleaned to Zero 50 The instant execute button setting the trigger level to the vertical midpoint between the peaks of the trigger signal Force Force to create a trigger signal and the function is mainly used in Normal and Single mode Trigger Menu The button that activates the trigger control menu October 2014 Page 31 USER S MANUAL b b Page 32 TERM INTERPRETATION Source Trigger can occur from several sources Input channels CH1 CH4 AC Line Input It is the most commonly used trigger source The channel will work when selected as a trigger source whatever displayed or not AC Line AC power can be used to display signals related to th
47. menu The high frequency of the signal will be allowed to pass Select 20M in the right menu The bandwidth is limited to 20MHz The frequencies above 20MHz will be rejected 3 1 1 E Use Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the addition multiplication division and subtraction operations between two channels or the FFT operation for a channel Press the Math button to display the menu on the bottom The corresponding FCL Functional Capabilities List of the Waveform Calculation Select the sign of mathematical Sign x i l manipulation Dual Wfm Select the signal source of the factori OSWOOO OVO Math Factor2 Select the signal source of the factor2 div Switch to select the vertical position or Vertical oade voltage division of the Math waveform g turn the G knob to adjust it Page 24 October 2014 USER S MANUAL FFT source Rectangle Hanning Hamming Window Select window for FFT Blackman Bartlett FFT Kaiser Vrms Select Vrms for Format Format dB Select dB for Format Hz Switch to select the horizontal position Horizontal or time base of the FFT waveform turn PA aiy the G knob to adjust it div Switch to select the vertical position or Vertical voltage division of the FFT waveform v org turn the G knob to adjust it Taking the additive operation between Channel 1 and Channels 2 for example the operation steps are a
48. menu is not displayed its menu will be displayed If the waveform is on and its menu is displayed the waveform is turned off and its menu goes away Guo MO Figure 20 Channel Setting Menu The description of the Channel Menu is shown as the following list Function Menu Setting Description Pass both AC and DC components of the Coupling input signal Block the DC component of the input signal Disconnect the input signal Select the input impedance to use When 500 is selected AC in coupling is not Impedance available If the impedance is set to 50Q when using AC coupling the coupling will be set to DC automatically Inverted Display inverted waveform Display original waveform Match this to the probe attenuation factor to Probe i have an accurate reading of vertical scale Get full bandwidth Limit the channel bandwidth to 20MHz to reduce display noise gt To set channel coupling Taking the Channel 1 for example the measured signal is a square wave Signal containing the direct current bias The operation steps are shown as below Press the CH1 button show channel Select Coupling in the bottom menu Page 22 October 2014 USER S MANUAL Select DC in the right menu Both DC and AC components of the signal are passed Select AC in the right menu The direct current component of the signal is blocked gt To adjust the probe attenuation For correct measurements
49. nd position of the red waveform The Vertical VOLTS DIV and the VERTICAL POSITION knobs of CH2 are used to set the vertical scale and position of the red waveform The Vertical VOLTS DIV and the VERTICAL POSITION knobs of CH3 are used to set the horizontal scale and position of the purple waveform The Vertical VOLTS DIV and the VERTICAL POSITION knobs of CH4 are used to set the vertical scale and position of the purple waveform October 2014 USER S MANUAL NOTE If one of the paired channels is on the other is off after entering the XY mode the closed channel will be turned on automatically In the XY mode if you turn off a channel the other channel that pair with it will be turned off automatically When the XY Mode is turned on the reference waveform that has been displayed will be removed from the display automatically Operation steps Press the Acquire button Select XV Mode as ON or OFF in the bottom menu 5a 250K5 s5 Depth 760 M 200us Figure 26 XY Display Mode gt Cymometer It is a 6 digit cvmometer The cymometer can measure frequencies from 2Hz to the full bandwidth Only if the measured channel has triggering Signal and in Edge mode it can measure frequency correctly It is a one channel cymometer and it can only measure the frequency of the triggering channel The cymometer is displayed at the right bottom of the screen October 2014 Page 41 USER S MANUAL To turn the c
50. nput connector Press the Utility button select Calibrate in the left menu select Self Calibrate in the bottom menu A confirmation window will pop up select OK after everything is ready Pass Fail The Pass Fail function monitors changes of signals and output pass or fail Signals by comparing the input signal that is within the pre defined mask Press the Utility button and select the Pass fail in the left menu The description of Pass Fail Menu is shown as the follows Function Menu Setting Description Enable Control enable switch Operator l Operate Control operate switch Signal tested corresponds with the rule Signal tested not correspond with the rule Output Ring when it satisfies the rule Control the display status of info frame Source Select source W or Math Horizontal Change the Horizontal tolerance value by turning the G knob Vertical Change the Vertical tolerance value by turning the G knob Create Use the rule set as testing rule Sage Save the rule to internal external storage SANS RUIG Recall a rule from internal external storage as the Recall i testing rule October 2014 USER S MANUAL October 2014 Pass Fail test Detect whether the input signal is within the limits of the rule if it exceeds limits of the rule it is Fail otherwise it is Pass Also it can output fail or pass signal by built in and configurable output port To run the test
51. nu Select Source in the right menu select in the left menu Select Type in the right menu select PK PK in the left menu Select Add in the right menu Select Source in the right menu select in the left menu Select Add in the right menu Read Vp of Channel 1 and Channel 2 from the measure window at the bottom left of the screen see Figure 45 Calculate the amplifier gain with the following formulas Gain Output Signal Input signal Gain db 20xlog gain kd 0 000ns Sa 1OOKS s Depth 760 Figure 45 Waveform of Gain Measurement Page 72 October 2014 USER S MANUAL a 5 3 jie Example 3 Capturing a Single Signal It s quite easv to use Digital Oscilloscope to capture non periodic signal such as a pulse and burr etc But the common problem is how to set up a trigger if you have no knowledge of the 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 With various functions supported by our Oscilloscope user can solve this problem by taking an easy approach First to run your test using auto trigger to find out the closest trigger level and trigger type this helps user to make few small adjustments to achieve a proper trigger level and mode Here is how we achieve this gt The operation steps are as follows October 2014 Set the probe menu attenuation coefficient to 10X and that
52. ob to change the vertical display position of channel and press the position knob to set the vertical display position back to O as a shortcut key this is especially helpful when the trace position is far out of the screen and want it to get back to the screen center immediately Page 13 USER S MANUAL 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 Turn 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 CH4 and Math the operation menu symbols waveforms and scale factor status information of the corresponding channel will be displayed in the screen You can also set the vertical system through touchscreen see Set the Vertical System through touchscreen 2 10 ie Introduction to the Horizontal System Shown as Figure 11 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 Figure 11 Horizontal Control Zone Use the horizontal SEC DIV knob to change the horizontal time base setting and observe the consequent status information change
53. of the switch in the probe to 10X see How to Set the Probe Attenuation Coefficient 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 TRIGGER Menu button Select Trig Mode in the bottom menu select Edge in the left menu Select Source in the bottom menu select in the left menu Select Coupling in the bottom menu select DC in the right menu Select Slope in the bottom menu switch it to Rising Select Mode amp HoldOff in the bottom menu select Single in the right menu Adjust the trigger level to the roughly 50 of the signal to be measured you can use the TRIG LEVEL knob or the touchscreen see Set the Vertical System through touchscreen Check the Trigger State Indicator on the top of the screen if it is not Ready push down the Run Stop button and start acquiring wait for trigger to happen If a signal reaches to the set trigger level one sampling will be made and then displayed in the screen By using this approach a random pulse can be captured easily For instance if we want to find a burst burr of high amplitude set the trigger level to a slightly higher value of the average signal level press the Run Stop button and wait a trigger Once there is a burr occurring the instrument will trigger automatically and record the waveform during the period around the trigger time By turning the HORIZONTAL POSITION knob in the horizon
54. on operating 15 000 m Max relative humidity lt 90 Cooling Method Natural convection October 2014 Page 83 USER S MANUAL MECHANICAL FEATURES Dimensions L 380 mm x H 180 mm x W 115 mm Weight About 1 9 kg INCLUDED ACCESSORIES 4 x Passive probe 1 2 m 1 1 10 1 1 x Power cord 1 x USB cable O DGO153 Quick Guide RECOMMENDATIONS ABOUT THE PACKING It is recommended to keep all the packing material in order to return the equipment if necessary to the Technical Service INTERVAL PERIOD OF ADJ USTMENT One year is recommended for the calibration interval period The technical specifications applied are for Probes attenuation set as 10X Only if the oscilloscope fulfills the following two conditions at first these specification Standards can be reached gt This instrument should run for at least 30 minutes continuously under the specified operating temperature If change of the operating temperature is up to or exceeds 5 C do a Self calibration procedure see How to Implement Self calibration All specification standards can be fulfilled except one s marked with the word Typical Page 84 October 2014 USER S MANUAL 8 MAINTENANCE AN 8 1 General Care Do not store or leave the instrument where the liquid crvstal displav will be exposed to direct sunlight for long periods of time CAUTION To avoid anv damage to the instrument or probe do not exposed it to any s
55. or file in file explorer Select Recover Setup in the right menu 3 5 3 7 jil To select the path or file in file explorer Introduction of the drive letters D Internal storage E F etc The USB flash drive plugged into the USB port of the oscilloscope In file explorer vou can use touchscreen or the G knob to select the storage folder or file Using touchscreen You can drag your finger up or down to scroll the file list touch the drive letter folder or file to select Touch the drive letter or folder twice quickly to expand or collapse the file list Using the G knob Turn the G knob to select in the file list When the drive letter or folder is selected push the G knob to expand or collapse the file list October 2014 Page 45 USER S MANUAL 3 5 3 8 To edit file names The oscilloscope gives all files it creates a default name in the following format gt XXXX set for setup files gt XXXX png XXXX bmp or XXXX jpg for image files gt XXXXYYY CSV or XXXXYYY bin for waveform files gt XXXX PF for rule files of pass fail The XXXX is an integer from 0000 to 9999 For waveform files the YYY is the channel of the waveform and can be one of the following CH1 CH2 CH3 or CH4 for the channels RF1 RF2 RF3 or RF4 for reference waveforms When entering the interface of editing name there will be a keypad dialog that let you touch to enter names The length of file name is up to 256 characters When y
56. ou are done entering the file name touch the dialog s Enter to confirm and close the keypad dialog Drag to select Close the keyboard Delete the selected character Confirm and exit Switch between Move the cursor left right capital and small Figure 27 Page 46 October 2014 USER S MANUAL 3 5 3 9 To save with Copy button push You can save the image waveform data or setup file by just pressing the Copy button After you have defined the save parameters with the Save menu you can save files with a single push of the Copy button For example if you have defined the Save operation to save image to external storage then each push of the Copy button will save current screen image to the defined external storage To define the Copy button behavior follow the steps below Press the Save button Select Save to Config in the bottom menu Select the save type from Screen Image Waveform and Setup Select Change folder to define the save path see To select the path or file in file explorer When you push the Copy button the oscilloscope will perform the action that you just specified rather than requiring you to enter the Save menu each time 3 5 3 10 ia To manage file You can create folder rename or delete a file in File utilities menu Press the Save button Select File utilities in the bottom menu Select path or file in file explorer see To select the path or file in file explorer Select
57. ource in trigger menu The icon shows the trigger tvpe the reading shows the triggerlevel value J Rising edge or slope triggering X Falling edge or slope triggering JL U Pulse triggering g ar Video line svnchronous triggering Ji Video field svnchronous triggering The bottom menu bar The reading shows the setting of main time base The readings indicate the voltage division of corresponding channels The icon shows the coupling mode and other settings of the channel TT7Z DC coupling OO AC coupling Ground coupling Q Impedance 509 4 Inverted BW Band Width 20M The readings show current sample rate and the record length October 2014 Page USER S MANUAL It indicates the measured type and value of the corresponding channel The measured type F Freq T Period V Mean Vp PK PK Vk RMS Ma Max Mi Min Vt Vtop Vb Vbase Va Vamp Os Overshoot Ps Preshoot RT Rise Time FT Fall Time PW Width NW Width D Duty D Duty il 2 4 Delav 2 Delay iBl Bf Delay 4 Delay The green pointer indicates the grounding datum point zero point position of the waveform of the CH4 channel The purple pointer indicates the grounding datum point zero point position of the waveform of the CH3 channel The yellow pointer shows the grounding datum point zero point position of the waveform of the CH2 channel The blue pointer indicates the zero point position of the
58. pment connects to the oscilloscope regarded as host device For example upgrading software by USB flash disk needs to use this port USB Device port It is used to transfer data when external USB equipment connects to the oscilloscope regarded as slave device For example to use this port when connect PC to the oscilloscope by USB VGA port To connect the oscilloscope with external equipment as serial port or to connect the oscilloscope with a monitor or a projector as VGA output LAN port the network port which can be used to connect with PC The port of trigger signal output amp Pass Fail output AC power input jack Handle Page 4 October 2014 USER S MANUAL A PROMAX 2 1 3 Control kev and knob Area Ax PROMAX www promaxelectronics com October 2014 Figure 3 Keys Overview G knob General knob when a G svmbol appears in the menu it indicates vou can turn the G knob to select the menu or set the value Function kev area Total 10 kevs Horizontal control area with 1 kev and knobs HORIZONTAL POSITION knob control trigger position SEC DIV control time base Horiz key can enabled disabled the split screen zoom Trigger control area with 3 kevs and 1 knob TRIG LEVEL knob is to adjust trigger voltage Other 3 kevs refer to trigger svstem setting Vertical control area with 5 kevs and 8 knobs CH1 CH4 keys correspond to setting menu in CH1 CH4 Math key provides access
59. prays liquids or solvents 8 2 Inspect the instrument and probes as often as operating conditions require To clean the instrument exterior perform the following steps 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 Disconnect power before cleaning your Oscilloscope Clean the instrument with a wet soft cloth not dripping water It is recommended to scrub with soft detergent or fresh water To avoid damage to the instrument or probe do not use any corrosive chemical cleaning agent WARNI NG 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 October 2014 Page 85 Ax PROMAX PROMAX ELECTRONICA S L Francesc Moragas 71 75 08907 L HOSPITALET DE LLOBREGAT Barcelona SPAIN Tel 93 184 77 00 Tel Intl 34 93 184 77 02 Fax 93 338 11 26 Fax Intl 34 93 338 11 26 http www promaxelectronics com e mail promax O promaxelectronics com
60. 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 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 probe with the CH1 channel If a probe hook tip is used ensure that it keeps in close touch with the probe Connect the probe tip with the signal connector of the probe compensator and connect the reference wire clamp with the ground wire connector of the probe connector and then press the button Autoset Check the displaved waveforms and regulate the probe till a correct compensation is achieved see Figure 6 and Figure 7 Overcompensated Compensated correctiv Under compensated Figure 6 Displaved Waveforms of the Probe Compensation Page 10 October 2014 USER S MANUAL Repeat the steps mentioned if needed Figure 7 Adjust Probe 2 6 jil How to Set the Probe Attenuation Coefficient The probe has several attenuation coefficients which will influence the vertical scale factor of the oscilloscope To change or check the probe attenuation coefficient in the menu of oscilloscope Press the function menu button of the used channels CH1 CH4 button Select Probe in the bottom menu select the proper value in the right menu corresponding to the probe This setting will be valid all the time before
61. rectory in Ferti Settings OO i Figure 37 Connect with PC through USB port October 2014 Page 65 Aoa PROMAX USER S MANUAL 4 2 Using LAN Port gt Connect directly Connection Plug in the LAN line to the LAN port in the rear panel of the oscilloscope plug the other end into the LAN interface of the computer Set the network parameters of the computer Since the oscilloscope cannot support obtaining an IP address automatically you should assign a static IP address Here we set the IP address to 192 168 1 71 Internet Protocol TCP IP Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IF settings Obtain an IF address automatically IP address Subnet mask Defaut gateway e Use the following DNS server addresses Prefered DNS server 192 168 1_ Atemate DNS server Figure 38 Set the network parameters of the computer Set the network parameters of the Software Run the software on the computer choose the Ports settings of the Communications menu item Set Connect using to LAN About the IP the first three bytes is same as the IP in the step 2 the last byte should be different Here we set it to 192 168 1 72 The range of the port value is 0 65535 but the port which under 2000 is always be used so it is suggested to set
62. riggering In the Autoscale mode if you adjust the vertical position voltage division trigger level or time scale of CH1 CH4 the oscilloscope will turn off Autoscale function While the Autoscale is working settings below will be made forcibly If it is in zoom mode previously the zoom mode will be turned off The acquire mode will be set as Sample 3 5 8 a How to Use Executive Buttons Executive Buttons include Autoset Run Stop Single Copy gt 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 measurements for user as well The details of functions applied to the signal when using Autoset are shown as the following table Function Items Setting o Z o oO o o o October 2014 Page 63 USER S MANUAL Page 64 Run Stop Enable or disable sampling on input signals Notice When there is no sampling at STOP state the vertical division and the horizontal time base of the waveform still can be adjusted within a certain range in other words the signal can be expanded in the horizontal or vertical direction Single Press this button you can set the trigger mode as single directly so when trigger occurs acquire one waveform then stop Copy You can save the image waveform data or setup file by just pressing the Copy button After you have defined the s
63. rn the G knob to adjust the position of L1 Select L2 to adjust the position of L2 Select LL amp L2 to adjust the two cursors together The cursor measure window at the top right shows the present position of two cursors and the absolute value of amplitude difference see Figure 34 kd O 000ns Depth 760 N 500us Vamp Figure 34 Wave of Vamp cursor measurement Page 60 October 2014 USER S MANUAL Carry out the steps below for the Frequency cursor measurement Press the Cursor button Select Source in the bottom menu select M in the left menu Select Type in the bottom menu select Frequency in the right menu Two blue dotted lines displayed along the vertical direction of the screen which indicating L1 and L2 Select Line in the bottom menu select LI in the right menu The G icon will appear beside the dotted line of L1 represents you can turn the G knob to adjust the position of L1 Select L2 to adjust the position of L2 Select LL amp L2 to adjust the two cursors together The cursor measure window at the top right shows the present position of two cursors and the absolute value of frequency difference see Figure 35 kd O 000ns Figure 35 Wave of Freq cursor measurement 3 5 7 E How to Use Autoscale This is a very useful function for first time users to carry out a simple and quick test on the input signal The function is applied to follow up signals automatically even if the signals change at any
64. rument after completing the checks above If the problem persists please contact PROMAX and we will be under your service gt After acquiring the signal the waveform of the signal is not displayed in the screen Check whether the probe is properly connected to the signal connecting wire Check whether the signal connecting wire is correctly connected to the BNC namely the channel connector Check whether the probe is properly connected with the object to be measured Check whether there 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 gt The measured voltage amplitude value is 10 times or 1 10 of the actual value Look at the attenuation coefficient for the input channel and the attenuation ration of the probe to make sure they are match see How to Set the Probe Attenuation Coefficient gt There is a waveform 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 waveform can be displayed steadily Try to change the trigger coupling into the high frequency suppress and th
65. s follows Press the Math button to displav the math menu in the bottom The blue M waveform appears on the screen Select Dual Wfm Math in the bottom menu Select Factor1 in the right menu select in the left source menu Select Operator as in the right menu Select Factor2 in the right menu select in the left source menu Select Vertical in the right menu select repeatedly to make the symbol in front of div turn the G knob to adjust the vertical position of Math waveform then select to make the svmbol in front of the voltage below turn the knob to adjust the voltage division of Math waveform October 2014 Page 25 USER S MANUAL 3 1 2 ju Using FFT function The FFT fast Fourier transform math function mathematicallv converts a time domain waveform into its frequency components It is very useful for analyzing the input signal on Oscilloscope You can match these frequencies with known system frequencies such as system clocks oscillators or power supplies Taking the FFT operation for example the operation steps are as follows Press the Math button to display the math menu in the bottom The blue M waveform appears on the screen Select FFT in the bottom menu Select Source in the right menu select in the left source menu Select Window in the right menu select the proper window type in the left menu Select Format as Vrms or dB in the right menu Select Horizontal in the right menu sel
66. safety DIRECT CURRENT ON Supply ALTERNATING CURRENT OFF Supply DOUBLE INSULATION Class II protection CAUTION Risk of electric shock DIRECT AND ALTERNATING GROUND TERMINAL PROTECTIVE CONDUCTOR CAUTION REFER TO MANUAL FRAME TERMINAL FUSE ed EQUIPMENT OR COMPONENT EQUIPOTENTIALITY TO BE RECYCLED Specific Precautions Radio interference This is a product of class A In a domestic environment can ATTENTION produce radio interference in which case the user should take appropriate measures Descriptive Examples of Over Voltage Categories Cati Low voltage installations isolated from the mains Cat Il Portable domestic installations Cat III Fixed domestic installations Cat IV Industrial installations October 2014 USER S MANUAL TABLE OF CONTENTS i i B i cc escesracsavannaersear cot ndutesarecsetmdansonndasesuaiigarseiacstueriseuiaieaneeesseens 1 Li General CrerattetE QSAR 1 2 JUNIOR YSER GUIDEBOOK a a i ir eee ren err eee 2 2 1 Introduction to the Structure of the Oscilloscope e ee eee sense eee eeeeees 2 Aad Front PAN Cll a i a eeeouaeunasnteansnesssdanenrecs A ETa 2 Zedge IROOM PANO a EE 4 2 1 3 Control key and knob Area srcasiictidsiossenticarieserresaieedeemiuaieneennwenier een 5 2 2 User Interrace INU OGUCTION ii ccsivennceewavanswesegusasieseuelsdvessretitewtesaaaesecssors 6 2 3 How to Implement the General Inspection enennnnnzenkknnnnnnnzzzznni 8 2 4 How to Implement the F
67. scilloscope acquisition mode to average Page 28 October 2014 USER S MANUAL gt What is Nyquist frequency The Nyquist frequency is the highest frequency that any real time digitizing oscilloscope can acquire without aliasing This frequency is half of the Sample rate Frequencies above the Nyquist frequency will be under sampled which causes aliasing So pay more attention to the relation between the frequency being sampled and measured 3 2 jal Use VERTICAL POSITION and VOLTS DIV Knobs The VERTI VAL POSITION knob is used to adjust the vertical positions of the waveforms When turning this knob the information of vertical position will be displayed on the bottom left of the waveform display area it will disappear after stopping turning the knob 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 captured waveforms The sensitivity of the vertical division steps as 1 2 5 The information of voltage division is displayed in channel window on the bottom left of the screen 0 000ns Information of vertical position CHIEU L siEMM Sa 100KS s Depth 760 M 500us Information of TARE voltage division Figure 21 Vertical Information October 2014 Page 29 USER S MANUAL 3 3 How to Set the Horizontal System The HORIZONTAL CONTROLS includes the Horiz button and such knobs as HORIZONTAL POSITI
68. se Time Fall Time Delay A gt B Delay A gt B t Width Width Duty Duty FFT 4 reference waveforms support for move zoom in zoom out and expanded display Full bandwidth 3 degrees USB 2 0 USB for file storage LAN port VGA interface 6 div from the screen center 0 3 div According to Record length and time base 100ns 10s October 2014 USER S MANUAL ArsPROMAX 50 level setting typical Input signal frequency 50Hz Edge trigger Slope Rising Falling Sensitivity 0 3 div Pulse trigger Trigger condition Positive pulse gt lt Negative pulse gt lt Pulse Width range 30 ns 10s Video Trigger Modulation Support standard NTSC PAL and SECAM broadcast systems Line number range 1 525 NTSC and 1 625 PAL SECAM Slope Trigger Trigger condition Positive pulse gt lt Negative pulse gt lt Time setting 24 ns 10s DI SPLAY Display Type 8 touchscreen color LCD Display Resolution 800 Horizontal x 600 Vertical Pixels Display Colors 65536 colors TFT screen OUTPUT OF THE PROBE COMPENSATOR Output Voltage Typical About 5 V with the Peak to Peak voltage 2 1MQ Frequency Typical Square wave of 1 KHZ POWER Mains Voltage 100 240 VAC RMS 50 60Hz CAT II Power Consumption lt 24 W OPERATI NG ENVI RONMENTAL CONDITI ONS Temperature Working temperature 0 C 40 C Storage temperature 20 C 60 C Height Operating 3 000 m N
69. t includes Voltage Measurement and Time Measurement at normal mode The description of the cursor measurement menu is shown as the following table Taine seine Pest OOOO Turn off the cursor measurement Voltage Measure voltage using cursor Time Measure time using cursor Select the source that the cursor Source measurement will be applied to October 2014 Page 57 USER S MANUAL a L1 Turn the G knob to adjust the position of L1 Turn the G knob to adjust the position of L2 Two cursors are linked Turn the G knob to L18L2 i adjust the two cursors together Perform the steps below for the voltage cursor measurement of the channel CH1 Press the Cursor button Select Source in the bottom menu select in the left menu Select Type in the bottom menu select Voltage in the right menu Two red dotted lines displayed along the horizontal direction of the screen which indicating L1 and L2 Select Line in the bottom menu select L1 in the right menu The G icon will appear beside the dotted line of L1 represents you can turn the G knob to adjust the position of L1 Select L2 to adjust the position of L2 Select LL amp L2 to adjust the two cursors together The cursor measure window at the top right shows the present position of two cursors and the absolute value of voltage difference see Figure 32 ka O 000ns a A SoM M 500us Figure 32 Waveform of Voltage Cursor Measurement Pag
70. tal control area in the panel you can change the horizontal triggering position to obtain the negative delay making an easy observation of the waveform before the burr occurs see Figure 46 Page 3 Normal Holdott M 500us Trig Mode Source Coupling Slope Edge H DC M 500us Trig Mode Source Coupling Slope Auto Edge tp De E Rising II IBI IGIGONA Figure 46 Capturing a Single Signal Page 4 October 2014 USER S MANUAL 5 4 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 gt Noise Analysis The level of noise sometime indicates a failure of electronic circuit The Peak Detect functions acts an important role to help you to find out the details of these noise Here is how we do it Press the Acquire button Select Mode in the bottom menu select Peak detect in the right menu 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 Figure 47 Acquire Mode Sa 100KS s Depth 760 M 500us Mode Peak Detect 760 Figure 47 Signal with Nois
71. the attenuation coefficient settings in the operating menu of the Channel should always match what is on the probe see How to Set the Probe Attenuation Coefficient If the attenuation coefficient of the probe is 1 1 the menu setting of the input channel should be set to X1 Take the Channel 1 as an example the attenuation coefficient of the probe is 10 1 the operation steps is shown as follows Press the CH1 button to show menu Select Probe in the bottom menu Select x10 in the right menu A list of the probe attenuation coefficient and the corresponding menu settings Attenuation Coefficient of the Probe Corresponding Menu Setting 1 1 X1 P To invert a waveform Waveform inverted the displayed signal is turned 180 degrees against the phase of the earth potential Taking the Channel 1 for example the operation steps are shown as follows Press the CH1 button to show channel menu Select ON for Inverted item The waveform is inverted Select OFF for Inverted item The waveform goes back to its original one October 2014 Page 23 USER S MANUAL gt To set bandwidth limit When high frequency components of a waveform are not important to its analysis the bandwidth limit control can be used to reject frequencies above 20 MHz Taking the Channel 1 for example the operation steps are shown as below Press the CH1 button to show menu Select BandWidth in the bottom menu Select Full in the right
72. 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 Press the Autoscale button to display the function menu in the bottom October 2014 Page 61 USER S MANUAL The menu is as follows Turn on Autoscale Autoscale Turn off Autoscale ji A Follow up and adjust both vertical and horizontal ai settings mods Follow up and only adjust horizontal scale Follow up and only adjust vertical scale Show Multi period waveforms Wave Period EEF Only show one or two periods If you want to measure the signal you can do as the follows Page 62 Press Autoscale button the function menu will appear in the bottom Select AutoScale as ON f Select Mode in the bottom menu select W in the right menu Select Wave Period in the bottom menu select ATATAT in the right menu shown as Figure 36 ka O 000ns Sa IDDKS s Depth 760 M S00us Figure 36 Autoscale Horizontal Vertical multi period waveforms October 2014 USER S MANUAL When entering into Autoscale mode the symbol E y will appear on the top left of the screen In the Autoscale mode the oscilloscope can self estimate Trigger Mode Edge Video and set coupling as DC trigger mode as Auto The TRIGGER Menu is not available In the mode of XY and STOP status when entering into Autoscale TDS will switch to YT mode and AUTO t
73. to math waveform functions x FFT Four VERTICAL POSITION knob control the vertical position of CH1 CH4 and four VOLTS DIV knob control voltage scale of CH1 CH4 Menu off turn off the menu Page 5 USER S MANUAL Menu option setting F1 F5 Menu option setting H1 HB5 2 2 a User Interface Introduction 10 11 12 13 14 15 Sa 100KS s Depth 760 M 500us 20 19 18 17 16 Figure 4 Illustrative Drawing of Display Interfaces Waveform Display Area The state of trigger including Auto Automatic mode and acquire waveform without triggering Trig d Trigger detected and acquire waveform Ready Pre triggered data captured and ready for a trigger Scan Capture and display the waveform continuously Stop Data acquisition stopped Page 6 October 2014 USER S MANUAL T pointer indicates the horizontal position for the trigger The pointer indicates the trigger position in the internal memorv Cursor for cursor measurement Present triggering value It indicates that there is a U disk connecting with the oscilloscope Setting time touchable Cursor measure window showing the readings of the two cursor and absolute value The waveform of CH1 The pointer shows the trigger level position of the source in trigger menu The waveform of Math The waveform of CH2 The waveform of CH3 The waveform of CH4 The cvmometer of the source in trigger menu Trigger settings of the s
74. tober 2014 Page 53 AA PROMAX USER S MANUAL The Automatic Measurements menu is described as the following table Page 54 Function Menu Setting Description Type INN Select tvpe in the left menu W B Select the source Add Show all Show all the measures on the screen Add the selected measure types Add shown at the left bottom you could only add 8 types at most Delete all the measures Delete the chosen measure type Delete all Measure Type Remove all the measures Only if the waveform channel is in the ON state the measurement can be performed The automatic measurement cannot be performed in the following situation 1 On the reference waveform 2 On the Math waveform 3 On the XY format 4 On the Scan format Measure the frequency the period of the Channel CHi and the mean the PK PK of the Channel CH2 following below steps Press the Measure button Select Add in the bottom menu Select Source in the right menu select in the left menu Select Type in the right menu select Period in the left menu Select Add in the right menu the period options added completes Select Freq in the left menu Select Add in the right menu the frequency added completes finish setting of CH1 Select Source in the right menu select in the left menu Select Type in the right menu select Mean in the left menu Select Add in the right menu the Mean added completes Select
75. trigger on rising edge or falling edge The description of the Edge Trigger Menu is as follows Menu Settings sd nstrucction _ Trigger Mode Set vertical channel trigger type as edge trigger Channel 1 as trigger signal Channel 2 as trigger signal Source Channel 3 as trigger signal Channel 4 as trigger signal AC power line as trigger signal October 2014 Page 33 AA PROMAX USER S MANUAL Block the direct current component Allow all component pass Coupling Block the high frequency signal only low frequency component pass Block the low frequency signal only high frequency component pass Rising Trigger on rising edge Slope Falling Trigger on falling edge Auto Acquire waveform even no trigger occurs Normal Acquire waveform when trigger occurs Mode Single When trigger occurs acquire one waveform then stop Morgon Holdoff 100ns 10s turn G knob to set time interval before another trigger occur Reset Set Holdoff time as default value 100ns 3 4 2 E Video Trigger Choose video trigger to trigger on fields or lines of NTSC PAL or SECAM standard video signals The description of the Video Trigger Menu is as follows Menu Settings Instruction II Trigger Mode Set vertical channel trigger type as video trigger Channel 1 as trigger signal D Channel 2 as trigger signal police B Channel 3 as trigger signal Channel 4 as trigger signal NTSC Modu PAL Se
76. unction Inspection eeenenenzennnnkzannnnnnznnnznn 9 2 5 How to Implement the Probe Compensation cccceeeeeee eee eeeeeeeeeeeeeaaes 10 2 6 How to Set the Probe Attenuation Coefficient e cece eeeeeeeeeeeeees 11 2 7 How to Use the Probe Safely L 12 2 8 How to Implement Self calibration se eeennnnnnnnkknnnnnnnzzknnnnnnnzznna 12 2 9 Introduction to the Vertical System ccc eee ceee eee e cece eeee seen eeeeeeeeneenenaes 13 2 10 Introduction to the Horizontal System eeeeennnnkkennnnnnnnknnnnnnnnnzznnz 14 2 11 Introduction to the Trigger Svstem ee eeneenennnnnnnnknnnnanenzzknnnnanenzznna 15 2 12 Introduction to the Touchscreen Controls e eennnnnnnnnnnnnn nanna 16 2 12 1 Set the Vertical System through touchscreen e eeeeeennnenkknnnnnnnnnna 16 2 12 2 Set the Horizontal System through touchscreen Lsseeeeennnnnnnennns 17 2 12 3 Zoom the Waveform through Touchscreen seeeennnnanenkknnnnnnnnzznnz 17 2 12 4 Operate the Menu through Touchscreen or Buttons Knob 0008 19 2 12 5 Other operations USING tOUCNSCIEEN cccceceee eee e eee eeeeeeeeeeeeeeeeneeeeas 20 3 ADVANCED USER GUIDEBOOK cisciissccsscranimadnaontesdetvanenaninedesdctvesanmmmeetieedeeonaens 21 3 1 How to Set the Vertical System 6 22 eeeeennnnnnnknnnnnnnnnnnknnnnnnnzzkzknnznnnnnna 21 3 1 1 Use Mathematical Manipulation Function seeeeeenenenkennnzannnzznnz 24 JdL USING FFT TUNCHOM arire rerien arina A ki
77. waveform of the Math The red pointer indicates the grounding datum point zero point position of the waveform of the CH1 channel 2 3 ii How to Implement the General Inspection After vou get a new oscilloscope it is recommended that vou should make a check on the instrument according to the following steps gt 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 gt Check the Accessories The supplied accessories have been already described in the SPECIFICATIONS 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 PROMAX responsible for this service or the PROMAX local offices Page 8 October 2014 USER S MANUAL gt 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 PROMAX distributor responsible for this business or the PROMAX local offices If there is damage to the instrument caused by the transportation please keep the package With the transportation departm
78. ymometer on or off Press the Acquire button Select Cymometer as ON or OFF in the bottom menu 3 5 3 E How to Save and Recall Oscilloscope screen images can be saved to internal external storage in JPG BMP or PNG formats Acquired waveform data can be saved to one of 4 reference waveforms or to internal external storage in CSV or BIN formats Oscilloscope setups files can be saved to one of 15 internal locations or to internal external storage in SET format 3 5 3 1 a To save the current screen image The screen image can be saved to internal external storage in JPG BMP or PNG formats Press the Save button Select Save in the bottom menu select Save Image to display the file explorer Select the save location see To select the path or file in file explorer In the right menu select File format repeatedly to switch between Jpg bmp png The path and file name are shown in the Save To line in the bottom If you want to customize the file name select Edit file name in the right menu see To edit file names Select OK Save in the right menu You can also save the image by just pressing the Copy button see To save with Copy button push Page 42 October 2014 USER S MANUAL 3 5 3 2 To Save waveform data to reference waveform storage Waveform data consists of the numeric values for each point in the waveform The waveform data of a channel or a reference waveform can be saved to one of 4

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