Owon SDS5032E User Manual Download Page 32

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5. Advanced User Guidebook

Blackman

Best solution for magnitude, worst for frequency.

Recommend to use for:

Single frequency waveforms, to find higher
order harmonics.

Fig.5-8, 5-9, 5-10, 5-11 are examples for measuring sine wave with a frequency of

1kHz

under the selection of four different windows for FFT:

Fig.5-8

. Rectangle window

Fig.5-9

Hamming window

Summary of Contents for SDS5032E

Page 1: ...SDS5032E V Smart Digital Storage Oscilloscopes User Manual Note V is for VGA port optional WWW OWON COM WWW OWON COM HK WWW OWON COM CN ...

Page 2: ...nue to improve products and reserves the rights to changes specification at any time without notice OWON is the registered trademark of the Lilliput Company Headquarter Fujian Lilliput Optoelectronics Technology Co Ltd The mansion of optoelectronics 19 Heming Road Lantian industrial zone Zhangzhou Fujian China Tel 86 596 2130430 Fax 86 596 2109272 Web www owon com hk Mail Business Consulting sales...

Page 3: ...e This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Lilliput shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Lilliput representatives to install repair or service the product b to repair damage resulting from improper use or connection t...

Page 4: ...plement Self calibration 15 Introduction to the Vertical System 16 Introduction to the Horizontal System 17 Introduction to the Trigger System 17 5 Advanced User Guidebook 19 How to Set the Vertical System 20 Use Mathematical Manipulation Function 23 Using FFT function 25 Use VERTICAL POSITION and VOLTS DIV Knobs 29 How to Set the Horizontal System 30 How to Set the Trigger System 33 How to Operat...

Page 5: ...er in a Metering Circuit 73 Example 3 Capturing a Single Signal 74 Example 4 Analyze the Details of a Signal 76 Example 5 Application of X Y Function 77 Example 6 Video Signal Trigger 79 7 Troubleshooting 80 8 Technical Specifications 81 General Technical Specifications 84 9 Appendix 85 Appendix A Enclosure 85 Appendix B General Care and Cleaning 85 ...

Page 6: ...onnection with its input or output terminal When powered by AC power it is not allowed to measure AC power source directly because the testing ground and power cord ground conductor are connected together otherwise it will cause short circuit To avoid electric shock there must be a ground wire connect between ground and the ground port on the back of product panel Check all Terminal Ratings To avo...

Page 7: ... accessible potentially Caution It indicates a potential damage to the instrument or other property might occur Safety Symbols Symbols on the product The following symbol may appear on the product Hazardous Voltage Refer to Manual Protective Earth Terminal Chassis Ground Test Ground To avoid body damage and prevent product and connected equipment damage carefully read the following safety informat...

Page 8: ...n the battery powered oscilloscope is connected to the AC powered PC through the ports Warning To avoid fire or electrical shock when the oscilloscope input signal connected is more than 42V peak 30Vrms or on circuits of more than 4800VA please take note of below items z Only use accessory insulated voltage probes and test lead z Check the accessories such as probe before use and replace it if the...

Page 9: ... Record length Autoscale function smart design body 8 inch high definition TFT display 800 x 600 pixels Built in FFT function Pass Fail Function optically isolated Pass Fail output Waveform record and playback VGA port optional Various triggering function USB LAN communication ports Built in Chinese and English help system Multiple language support 4 ...

Page 10: ...the user interface z How to implement the general inspection z How to implement the function inspection z How to make a probe compensation z How to set the probe attenuation coefficient z How to use the probe safely z How to implement an auto calibration z Introduction to the vertical system z Introduction to the horizontal system z Introduction to the trigger system 5 ...

Page 11: ...s 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 F1 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 push...

Page 12: ...evice 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 3 COM VGA port Optional To connect the oscilloscope with external equipment as serial port or to connect the oscilloscope with a monitor or a projector as VGA output 4 The port of trigger signal output Pass ...

Page 13: ...4 Junior User Guidebook Rear Panel 2 1 5 5 3 4 Fig 4 3 Rear Panel 1 Handle 2 Air vents 3 AC power input jack 4 Fuse 5 Foot stool which can adjust the tilt angle of the oscilloscope 8 ...

Page 14: ... MENU and CH2 MENU correspond to setting menu in CH1 and CH2 Math key refer to math menu the math menu consists of six kinds of operations including CH1 CH2 CH2 CH1 CH1 CH2 CH1 CH2 CH1 CH2 and FFT Two VERTICAL POSITION knob control the vertical position of CH1 CH2 and two VOLTS DIV knob control voltage scale of CH1 CH2 7 Horizontal control area with 1 key and 2 knobs HORIZONTAL POSITION knob contr...

Page 15: ... Stop Data acquisition stopped 3 The purple T pointer indicates the horizontal position for the trigger 4 The pointer indicates the trigger position in the internal memory 5 The two yellow dotted lines indicate the size of the viewing expanded window 6 It shows present triggering value and displays the site of present window in internal memory 7 It shows setting time see Config on P50 8 It indicat...

Page 16: ...lue Vb the Voltage value of the waveform s flat base Va the amplitude value Os the overshoot value Ps the Preshoot value RT the rise time value FT the fall time value PW the width value NW the Width value D the Duty value D the Duty value PD the Delay A B value and ND the Delay A B value 20 The readings indicate the corresponding Voltage Division and the Zero Point positions of the channels The ic...

Page 17: ...n not work normally or fails in the performance test please get in touch with the Lilliput s distributor responsible for this business or the Lilliput s local offices If there is damage to the instrument caused by the transportation please keep the package With the transportation department or the Lilliput s distributor responsible for this business informed about it a repairing or replacement of ...

Page 18: ...viation will result in the measuring error or mistake For adjusting the probe compensation please carry out the following steps 1 Set the attenuation coefficient of the probe in the menu as 10X and that of the switch in the probe as 10X see How to Set the Probe Attenuation Coefficient on P14 and connect the probe with the CH1 channel If a probe hook tip is used ensure that it keeps in close touch ...

Page 19: ...lay the Probe menu select the proper value corresponding lid all the time before it is changed again factor of the oscilloscope To change or check the prob 1 Press the function menu button of the used channels CH1 MENU or C MENU 2 Press H3 bu to the probe This setting will be va Caution The default attenuation coefficient of the probe on the instrument is he set value of the attenuation switch in ...

Page 20: ...ck 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 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...

Page 21: ...form Measuring Skill If the channel is under the DC coupling mode you can rapidly measure the DC component of the signal through the observation of the difference between the wave form and the signal ground If the channel is under the AC mode the DC component would be filtered out This mode helps you display the AC component of the signal with a higher sensitivity 2 Change the Vertical Setting and...

Page 22: ...e and it can be found that the Horizontal Time Base display in the status bar changes accordingly 2 Use the HORIZONTAL POSITION knob to adjust the horizontal position of the signal in the waveform window The HORIZONTAL POSITION knob is used to control the triggering displacement of the signal or for other special applications If it is applied to triggering the displacement it can be observed that ...

Page 23: ...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 PS Turning the TRIG LEVEL knob can change trigger level value and it is also the hotkey to set trigger level back to 0 3 Press the button 50 to set the trigger level as the vertical mid point values of the amplitude of the trigger s...

Page 24: ...f Chapter 4 Junior User Guidebook This chapter will deal with the following topics mainly z How to Set the Vertical System z How to Set the Horizontal System z How to Set the Trigger System z How to Implement the Sampling Setup z How to Set the Display System z How to Save and Recall Waveform z How to Record Playback Waveforms z How to Implement the Auxiliary System Function Setting z How to Imple...

Page 25: ...tem is set respectively based on the channel To turn waveforms on or off channel math Pressing the CH1 MENU CH2 MENU and 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 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 men...

Page 26: ...containing the direct current bias The operation steps are shown as below 1 Press the CH1 MENU button and call out the CH1 SETUP menu 2 Press the H1 button the Coupling menu will display at the screen 3 Press the F1 button to select the Coupling item as DC Both DC and AC components of the signal are passed 4 Then press F2 button to select the Coupling item as AC The direct current component of the...

Page 27: ...cient of 10 1 is used Fig 5 3 Regulation of the Attenuation Ratio of the Probe A list of the probe attenuation coefficient and the corresponding menu settings Attenuation Coefficient of the Probe Corresponding Menu Setting 1 1 X1 10 1 X10 100 1 X100 1000 1 X1000 3 To invert a waveform Waveform inverted the displayed signal is turned 180 degrees against the phase of the earth potential Taking the C...

Page 28: ... 4 Original Waveform Fig 5 5 Inverted Waveform Use Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the addition multiplication division and subtraction operations between Channel 1 and Channel 2 and the FFT operation of Channel 1 or Channel 2 23 ...

Page 29: ...athematical manipulation Dual Wfm Math Factor 2 CH1 CH2 Select the signal source of the factor2 Source CH1 CH2 Select CH1 as FFT source Select CH2 as FFT source Window Rectangle Blackman Hanning Hamming Select window for FFT Format dB Vrms Select dB for Format Select Vrms for Format FFT Zoom 1 2 5 10 Set multiple 1 Set multiple 2 Set multiple 5 Set multiple 10 Taking the additive operation between...

Page 30: ...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 FFT function in this oscilloscope transforms 2048 data points of the time domain signal into its frequency components mathematically and the final frequency contains 1024 points ranging from ...

Page 31: ... of nonrepetitive signals and measuring frequency components near DC Recommend to use for z Transients or bursts the signal level before and after the event are nearly equal z Equal amplitude sine waves with frequencies those are very close z Broadband random noise with a relatively slow varying spectrum Hamming Better solution for magnitude than Rectangle and good for frequency as well It has sli...

Page 32: ...equency Recommend to use for z Single frequency waveforms to find higher order harmonics Fig 5 8 5 9 5 10 5 11 are examples for measuring sine wave with a frequency of 1kHz under the selection of four different windows for FFT Fig 5 8 Rectangle window Fig 5 9 Hamming window 27 ...

Page 33: ...s 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 oscilloscope acquisition mode to average 28 ...

Page 34: ...VOLTS DIV Knobs 1 The VERTIVAL POSITION knob is used to adjust the vertical positions of the waveforms including the captured waveforms and calculated waveforms The analytic resolution of this control knob changes with the vertical division 2 The VOLTS DIV knob is used to regulate the vertical resolution of the wave forms including the captured waveforms and calculated waveforms The sensitivity of...

Page 35: ...HORIZ MENU button with this button pushed down the screen shows the operating menu see Fig 5 13 Fig 5 13 Time Base Mode Menu The description of the Horizontal Menu is as follows Function Menu Description Main Main Time Base The setting of the horizontal main time base is used to display the waveform Set Set Window A window area is defined by two cursors This function is not available at FFT mode Z...

Page 36: ... cursors Use the HORIZONTAL POSITION and SEC DIV knobs to adjust the horizontal position and size of this window area In FFT mode Set menu is invalid See Fig 5 15 Fig 5 15 Window Setting Window Expansion Press the H3 menu selection button and choose Zoom As a result the window area defined by two cursors will be expanded to the full screen size see Fig 5 16 31 ...

Page 37: ...5 Advanced User Guidebook Fig 5 16 Zoom Window 32 ...

Page 38: ... 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 Trigger Control Single trigger Use a trigger level to capture stable waveforms in two channels simultaneously Single trigger has four modes edge trigger video trigger slope trigger and pulse trigger Edge Trigger It occurs w...

Page 39: ... frequency signal only low frequency component pass Block the low frequency signal only high frequency component pass Slope Trigger on rising edge Trigger on falling edge Mode Holdoff Auto Normal Single Holdoff Reset Acquire waveform even no trigger occurs Acquire waveform when trigger occurs When trigger occurs acquire one waveform then stop 100ns 10s turn G knob to set time interval before anoth...

Page 40: ... set the line number Mode Holdoff Auto Holdoff Reset Acquire waveform even no trigger occurred 100ns 10s adjust the G knob to set time interval before another trigger occur Set Holdoff time as 100ns 3 Slope Trigger Slope trigger sets the oscilloscope as the positive negative slope trigger within the specified time The Slope Trigger Menu is shown as Fig 5 19 Fig 5 19 Slope trigger menu Slope trigge...

Page 41: ...e Width Trigger menu list MENU SETTING INSTRUCTION Single Mode Pulse Set vertical channel trigger type as pulse trigger Source CH1 CH2 Select CH1 as the trigger source Select CH2 as the trigger source Coupling AC DC HF LF Not allow DC portion to pass Allow all portion pass Not allow high frequency of signal pass and only low frequency portion pass Not allow low frequency of signal pass and only hi...

Page 42: ...mined by the time base setting it will force itself to trigger z Normal The Normal mode allows the oscilloscope to acquire a waveform only when it is triggered If no 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 oscillosco...

Page 43: ...g 5 25 ACQU MODE Menu The description of the Acqu Mode Menu is shown as follows Function Menu Setting Description Sample Normal sampling mode Peak detect Use to capture maximal and minimal samples Finding highest and lowest points over adjacent intervals It is used for the detection of the jamming burr and the possibility of reducing the confusion Sample Average 4 16 64 128 It is used to reduce th...

Page 44: ... User Guidebook Fig 5 26 Peak Detect mode under which the burrs on the falling edge of the square wave can be detected and the noise is heavy Fig 5 27 Normal ACQU Mode display in which no burr can be detected 39 ...

Page 45: ...escription Type Dots Vect Only the sampling points are displayed The space between the adjacent sampling points in the display is filled with the vector form Time OFF 1 second 2 seconds 5 seconds Infinity Turn the G knob to set the persistence time Persist Clear Clear the persistence XY Mode ON OFF Turn on the XY display function Turn off the XY display function Cymometer ON OFF Turn on the cymome...

Page 46: ... and Fig 5 31 Fig 5 30 Display in the Vector Form Fig 5 31 Display in Dots form Persist When the Persist function is used the persistence display effect of the picture tube oscilloscope can be simulated The reserved original data is displayed in fade color and the new data is in bright color Press the H2 button the Persist menu will display at the right of screen Press the F1 button different pers...

Page 47: ... 1 is displayed in the horizontal axis and Channel 2 in the vertical axis the oscilloscope is set in the un triggered sample mode the data are displayed as bright spots The operations of all control knobs are as follows The Vertical VOLTS DIV and the VERTICAL POSITION knobs of Channel 1 are used to set the horizontal scale and position The Vertical VOLTS DIV and the VERTICAL POSITION knobs of Chan...

Page 48: ...hannel cymometer and it can only measure the frequency of the triggering channel In the ALT trigger mode it is a two channel cymometer and it can measure the frequency of two channels The cymometer is displayed at the right bottom of the screen To turn the cymometer on or off 1 Press the Display button 2 In the Display menu press the H4 button to toggle between the cymometer display ON or OFF VGA ...

Page 49: ... recall from Object Show Show ON OFF Recall or close the waveform stored in the current object address When the show is ON if the current object address has been used the stored waveform will be shown the address number and relevant information will be displayed at the top left of the screen if the address is empty it will prompt None is saved Save Save the waveform of the source to the selected a...

Page 50: ...veform called out can not be adjusted In order to save the waveform of the CH1 into the address 1 the operation steps should be followed 1 Saving Press the H1 button the Type menu will display at the left of screen turn the G knob to choose Wave for Type 2 Press the H2 button and press F1 button to select CH1 for Source 3 Press the H3 button and press the F1 turn the G knob to select 1 as object a...

Page 51: ... the screen the USB disk is installed successfully The supported format of the USB disk FAT32 file system cluster size cannot exceed 4K Once the USB disk cannot be recognized you could format it into the supported format and try again 2 After the USB disk is installed press the Save panel button the save menu is displayed at the bottom of the screen 3 Press the H1 button the Type menu will display...

Page 52: ...ing to the interval until it reaches the end frame set Record menu shows as follows Menu Setting Instruction Mode OFF Record Playback Storage Close wave record function Set record menu Set playback menu Set storage menu End frame Turn the G knob to select the number of frames to record 1 1000 Record mode FrameSet Interval Turn the G knob to select the interval between recorded frames 1ms 1000s Ref...

Page 53: ...the G knob to select the number of start frame to playback 1 1000 Turn the G knob to select the number of end frame to playback 1 1000 Turn the G knob to select the number of current frame to playback 1 1000 Turn the G knob to select the interval between played back frames 1ms 1000s Play mode Loop Once Play back the wave continuously Play back the wave just one time Operate Play Stop Begin to reco...

Page 54: ...s follows Menu Setting Instruction Start frame Turn the G knob to select the number of start frame to store 1 1000 Storage Mode Frame Set End frame Turn the G knob to select the number of end frame to store 1 1000 Save Save the waveform record file to the internal memory Load Load the waveform record file from the memory Fig 5 38 Wave Storage 49 ...

Page 55: ... to start recording 7 Press H2 button In the Mode menu press F3 button to enter the Playback mode Set the frame range and Playmode Then press H5 button to play 8 To save the wave recorded press H2 button In the Mode menu press F4 button to choose Storage then set the range of frames to store press H4 button to save 9 To load the waveform from the internal memory press Load and then enter playback ...

Page 56: ... number showing Display Press the Utility button and turn the G knob to select the Display to go to the following menu Fig 5 40 Display Menu The description of Display Menu is shown as the follows Function Menu Setting Description Menu Time 5s 50s OFF Set the disappear time of menu Graticule Select the grid type Adjust Press the Utility button and turn the G knob to select the Adjust to go to the ...

Page 57: ...he probe or wire and the input connector Press the Utility button Then press the H1 button and the function menu will display at the left of the screen turn the G knob to choose Adjust and then press the H2 button to choose Self Cal entering the self calibration procedure of the instrument Fig 5 42 Self Calibration Pass Fail The Pass Fail function monitors changes of signals and output pass or fai...

Page 58: ...is Pass Also it can output fail or pass signal by built in and configurable output port To run the test read the following steps 1 Press Utility button then H1 button turn the G knob to choose Pass fail menu option Pass Fail menu will be displayed in the bottom 2 Enable switch on Press H2 button to show Operate menu then press F1 button to set Enable as ON 3 Create rule Press H4 button to enter Ru...

Page 59: ...s 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 5 When the waveform playback mode is on Pass Fail is used to test the played back waveform specially Output Press the Utility button and turn the G to select the Output to go to the following menu Fig 5 45 Output menu The description of Output menu is shown as t...

Page 60: ... Press F3 button to switch between each byte turn the G knob to change value 0 255 Phy addr Press F4 button to switch between each byte turn the G knob to change value 0 FF Set Net mask Press F5 button to switch between each byte turn the G knob to change value 0 255 Save set Save the current settings and prompt reset to update the config How to connect with a computer directly 1 Connection Plug i...

Page 61: ...unications 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 4000 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 Fig 5 48 Set the network parameters of the OWON Oscilloscope...

Page 62: ...scilloscope software the connection is successful Fig 5 49 Set the network parameters of the oscilloscope How to connect with the computer through a router 1 Connection Use a LAN line to connect the oscilloscope with a router the LAN port of the oscilloscope is in the right side panel the computer should be connected to the router too 2 Set the network parameters of the computer Since the oscillos...

Page 63: ...unications 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 4000 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 Fig 5 51 Set the network parameters of the OWON Oscilloscope...

Page 64: ...et it prompts reset to update the config After resetting the oscilloscope if you can get data normally in the oscilloscope software the connection is successful Fig 5 52 Set the network parameters of the oscilloscope How to Measure Automatically Press the Measure button to display the menu for the settings of the Automatic Measurements The oscilloscopes provide 20 parameters for auto measurement i...

Page 65: ...e The measured values can be detected on each channel simultaneously 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 saved waveform 2 On the mathematical waveform 3 On the XY format 4 On the Scan format Measure the frequency the peak to peak voltage of the Channel CH1 and the mean the...

Page 66: ...b to choose Mean 10 Press the F4 button the Mean added completes 11 Press the F1 button the type items will display at the left of screen and turn the G knob to choose PK PK 12 Press the F4 button the PK PK added completes finish setting of CH2 The measured value will be displayed at the bottom left of the screen automatically see Fig 5 54 Fig 5 54 automatic measurement The automatic measurement o...

Page 67: ...eform s flat base useful for square pulse waveforms Overshoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms Preshoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Average The arithmetic mean over the entire waveform Vrms The true Root Mean Square voltage over the entire waveform The automatic measurement of time parameters The SDS5032E V oscilloscopes provide t...

Page 68: ...itude points Delay 1 2 The delay between the two channels at the rising edge Delay 1 2 The delay between the two channels at the falling edge Duty Duty Cycle defined as Width Period Duty Duty Cycle defined as Width Period How to Measure with Cursors Press the Cursor button to display the cursor measurement function menu CURS MEAS in the screen The Cursor Measurement for normal mode The cursor meas...

Page 69: ... of the channel CH1 1 Press Cursor and recall the Cursor Measure menu 2 Press the H2 button and choose CH1 for Source 3 Press the H1 button the Type menu will display at the right of the screen Then press the F2 button to choose Voltage for Type with two purple dotted lines displayed along the horizontal direction of the screen which indicating Cursor1 and Cursor2 4 According to the measured wavef...

Page 70: ...ursor 1 and Cursor 2 4 According to the measured waveform adjust the positions of Cursor1 and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 The cursor increment window at the left bottom of the waveform shows absolute difference frequency and the present time of the two cursors Fig 5 59 Waveform of Cursor Measurement The Cursor Measurement for FFT mode Press the Cursor button to dis...

Page 71: ...that of Cursor 2 can be adjusted with the VERTICAL POSITION knob of Channel 2 Perform the following operation steps for the Vamp cursor measurement 1 Press Cursor and recall the Cursor Measure menu 2 Press the H1 button the Type menu will display at the right of the screen Press the F2 button to select Vamp for Type with two purple dotted lines displayed along the horizontal direction of the scree...

Page 72: ...play at the right of the screen Press the F3 button to select Freq for Type with two purple dotted lines displayed along the vertical direction of the screen indicating the corresponding Cursor 1 and Cursor 2 3 According to the measured waveform adjust the positions of Cursor1 and Cursor2 by turning the VERTICAL POSITION knob of CH1 and CH2 Increment window shows two cursors difference value and t...

Page 73: ...The function is applied to follow up signals automatically even if the signals change at any time Autoscale enables the instrument to set up trigger mode voltage division and time scale automatically according to the type amplitude and frequency of the signals Fig 5 63 Autoscale menu The menu is as follows Function Menu Setting Instruction Autoscale ON OFF Turn on Autoscale Turn off Autoscale 68 ...

Page 74: ...ode item 4 Press H3 and choose for Wave item Then the wave is displayed in the screen shown as Fig 5 64 Fig 5 64 Autoscale Horizontal Vertical multi period waveforms Note 1 Entering into Autoscale function and the symbol A will be flickering on the top left of the screen every 0 5 second 2 In the mode of Autoscale the oscilloscope can self estimate Trigger Mode Edge Video At this point the trigger...

Page 75: ...Help 1 Press Help button the catalog will display in the screen 2 Press H1 or H2 to choose help topic or just turn the G knob to choose 3 Press H3 to view the details about the topic or just press the G knob 4 Press H5 to exit the help or just do other operations How to Use Executive Buttons Executive Buttons include Autoset Run Stop Single Copy Autoset It s a very useful and quick way to apply a ...

Page 76: ...cal direction When the horizontal time base is 50ms the horizontal time base can be expanded for 4 divisions downwards 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 waveform by just pressing the Copy panel button in any user interface The source wave and the storage location are according to the ...

Page 77: ... the period and frequency of the Channel 1 and the mean and peak to peak voltage of the Channel 2 follow below steps 1 Press the Measure button to activate the measurement function menu 2 Press the H1 to display the Add menu 3 Press the F2 button to choose CH1 as the source 4 Press the F1 button the type items will display at the left of screen and turn the G knob to choose Period 5 Press the F4 b...

Page 78: ...menu attenuation coefficient as 10X and that of the switch in the probe as 10X see How to Set the Probe Attenuation Coefficient on P14 Connect the oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end Operation Steps 1 Press the Autoset button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state 2 ...

Page 79: ...h 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 The operation steps are as follows 1 Set the probe menu attenuation coefficient t...

Page 80: ...e 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 ...

Page 81: ...ress the H1 button to display ACQU Mode menu 3 Press the F2 button to choose Peak detect The signal displayed on the screen containing some noise by turning on Peak Detect function and changing time base to slow down the incoming signal any peaks or burr would be detected by the function See Fig 6 4 Fig 6 4 Signal with Noises Separate Noises from the Signal When focusing on signal itself the impor...

Page 82: ...ough 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 are used as source signals For the examination of the input and output of the circuit in the form of X Y coordinate graph ...

Page 83: ... The signal must be centered and kept in the horizontal direction Fig 6 6 Lissajous Graph Based on the expression sin q A B or C D thereinto q is the phase difference angle and the definitions of A B C and D are shown as the graph above As a result the phase difference angle can be obtained namely q arcsin A B or arcsin C D If the principal axis of the ellipse is in the I and III quadrants the det...

Page 84: ...e H1 button to display the trigger type menu 3 Turn the G knob to choose Video as the mode 4 Press the H2 button to display the Source menu 5 Press the F1 button to choose CH1 for Source 6 Press the H3 button to display the Modu menu 7 Press the F1 button to choose NTSC for the modulation 8 Press the H4 button to display the sync menu 9 Press the F2 button to choose Field for Sync 10 Turn the VOLT...

Page 85: ...annel and the attenuation ration of the probe to make sure they are match see How to Set the Probe Attenuation Coefficient on P14 4 There is a waveform displayed but it is not stable z Check whether the Source item in the TRIG MODE menu is in conformity with the signal channel used in the practical application z Check on the trigger Type item The common signal chooses the Edge trigger mode for Typ...

Page 86: ... can be fulfilled except one s marked with the word Typical Performance Characteristics Instruction Bandwidth 30MHz Channel 2 1 External Mode Normal Peak detect Averaging Dual CH Up to 125MS s Acquisition Sample rate real time Single CH Up to 250MS s Input coupling DC AC Ground Input impedance 1MΩ 2 in parallel with 10pF 5pF Probe attenuation factor 1X 10X 100X 1000X Max input voltage 400V PK PK D...

Page 87: ... coupling 3dB Rise time 5 8ns at input Typical DC accuracy 3 DC accuracy average Average 16 3 rdg 0 05 div for V Vertical system Waveform inverted ON OFF Cursor V and T between cursors Automatic Vpp Vmax Vmin Vtop Vbase Vamp Vavg Vrms Overshoot Preshoot Freq Period Rise Time Fall Time Delay A B Delay A B Width Width Duty Duty Waveform Math FFT Waveform storage 15 waveforms Bandwi dth Full bandwidt...

Page 88: ...cording to Record length and time base Trigger Holdoff range 100ns 10s 50 level setting typical Input signal frequency 50Hz slope Rising Falling Edge trigger Sensitivity 0 3div Trigger condition Positive pulse negative pulse Pulse trigger Pulse Width range 30ns 10s Modulation Support standard NTSC PAL and SECAM broadcast systems Video Trigger Line number range 1 525 NTSC and 1 625 PAL SECAM Trigge...

Page 89: ...ak voltage 1MΩ Frequency Typical Square wave of 1KHz Power Mains Voltage 100 240 VAC RMS 50 60Hz CAT II Power Consumption 15W Fuse 2A T grade 250V Environment Temperature Working temperature 0 40 Storage temperature 20 60 Relative Humidity 90 Height Operating 3 000 m Non operating 15 000 m Cooling Method Natural convection Mechanical Specifications Dimension 348mm 170mm 78mm L H W Weight About 1 5...

Page 90: ...ment and probes as often as operating conditions require To clean the instrument exterior perform the following steps 1 Wipe the dust from the instrument and probe surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 Disconnect power before cleaning your Oscilloscope Clean the instrument with a wet soft cloth not dripping water It ...

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