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2530B, 2532B Digital Storage Oscilloscope User Manual

1. CH1 CH2 Coupling DC Volts div Coarse Probe IX Invert Off Filter Off Volts div 1 00V MATH Operation CH1 CH2 CHI Invert Off CH2 Invert Off FFT operation Source CHI Window Hanning FFT Zoom IX Scale dBVrms Display Split HORIZONTAL Window Main Position 0 00us Time div 500us Window Zone 50 0us Trigger knob level CURSOR Type Off Source CHI Horizontal voltage 3 2divs Vertical time 5divs 184 MEASURE Source CHI Type average ACQUIRE three mode options Sampling Averages 16 Sampling mode Real Time DISPLAY Type Vectors Persist off Gird Intensity 6096 Brightness 4096 Format YT Menu Display infinite SAVE RECALL Type Setups Save To Device Setup No 1 REF REFA REFB REFA Source CHI REFA off REFB off UTILITY Sound On Counter On Back USB Computer Pass Fail off Record off RS 232 Baud 9600 TRIGGER edge Type edge Source CHI Slope Rising Mode Auto 185 Coupling DC LEVEL 0 00V TRIGGER pulse Type pulse Source CHI When Set Pulse Width 1 00ms Mode Auto Coupling DC TRIGGER Video Type Video Source CHI Polarity Normal Sync All Lines Standard NTSC Mode Auto Type Slope TRIGGER Source CHI Slope Time 1 00ms Mode Auto Type Alternative TRIGGER Source CHI Alternative Mode Edge Coupling DC 186 Appendix B Index Wi
2. DC Set to DC couple mode Both DC and AC components of the input signal will be captured 36 Coupling DC Volts Div Probe K Next Pace 5 56742KHz CHi 268m M 56 0ps CHi 88 6m M Pos 6 Figure 16 DC Coupling e Press CH1 gt Coupling gt GND Set to GROUND mode This disconnects the input signal Coupling GND Volts Div Probe TX Next Page Peelers Dane 12 CH12 5 a8U M 2 58ps CH1 7 288mU M Pos 0 00 Figure 17 GND Coupling 37 Volts Div Settings Vertical scale adjust have Coarse and Fine modes Vertical sensitivity range of 2 mV div 10 V div Take CH1 for example Press CH1 Volts Div Coarse It is the default setting of Volts Div and it makes the vertical scaling in a 1 2 5 step sequence from 2 mV div 5 mV div 10 mV div to 10 V div Mest Page Figure 18 Coarse Control Press CH1 Volts Div Fine This setting changes the vertical control to small steps between the coarse settings It will be helpful when you need to adjust the waveform vertical size in smaller steps 38 Next Page Figure 19 Fine Control 3 Setting Probe Attenuation In order to assort the attenuation coefficient you need to respond in the channel operation Menu If the attenuation coefficient is 10 1 the input coefficient should be set to 10X so that the Volts div information and measurement testing is correct Take CH1 for example
3. MATH FFT REFA REFB according to input signal channel Select Cur A and turn the Universal knob to adjust Cursor A Select Cur B and turn the Universal knob to adjust Cursor B The measurement values are displayed on the top left corner If the measurement type is set to Voltage the values are as follows The value of Cur A Cur A The value of Cur B Cur B The voltage increment between Cursor A and Cursor B AV If the measurement type is set to Time the values are as follows The value of Cur A Cur A The value of Cur B Cur B The time increment between Cursor A and Cursor B AT The reciprocal of time increment between Cursor A and Cursor B 1 AT Mode Type Source CH1 M 25 8ys Figure 49 Cursor Menu 101 Track Mode Table 33 Track Mode Function Menu Option Setting Instruction Cursor Track In this mode set track Mode cursor measure Cursor A CHI Set the input signal CH2 channel that the Cursor A NONE will measure Cursor B CHI Set the input signal CH2 channel that the Cursor B NONE will measure Cur A Select this option turn the a Universal knob to adjust horizontal coordinate of Cursor A Cur B Select this option turn the a Universal knob to adjust horizontal coordinate of Cursor B In this mode the screen displays two cross cursors The cross cursor sets the position on the waveform automatically You cou
4. 49 frequency resolution waveforms to find higher order harmonics Magnifying and Positioning and FFT Spectrum You can magnify and use cursors to take measurements on the FFT spectrum The oscilloscope includes an FFT Zoom option to magnify horizontally press this option button to select 1X 2X 5X or 10X Moreover you also can turn the Universal knob to magnify FFT waveform horizontally in a 1 2 5 step To magnify vertically you can turn the Volts div knob Measuring an FFT Spectrum Using Cursors You can take two measurements on FFT spectrums magnitude in dB and frequency in Hz Magnitude is referenced to 0 dB where 0 dB equals 1 VRMS You can use the cursors to take measurements at any zoom factor Use horizontal cursors to measure amplitude and vertical cursors to measure frequency If you input a sine signal to channel 1 follow these steps 1 Measure FFT Amplitude 50 10 11 12 13 14 Input a sine signal to channel 1 and press the AUTO button Press the MATH button to enter the MATH menu Press the Operation option button to select FFT Press the Source option button to select CHI Press CHI button to display CH1 menu Turn the time div knob to adjust sampling rate at least double bigger than frequency of input signal If FFT display on full screen press CH1 button again to remove channel wa
5. Time 49 Turn the Universal knob to set Set Time slope time Time setup range is 20ns 10s Next Page Page 1 2 Enter the second page of slope trigger 4 When 4 AE Time Figure 35 Slope Trigger Menu Table 20 Slope Trigger Function Menu 2 Option Setting Instruction Type Slope Trigger on positive slope of negative slope according to setup time of the oscilloscope 72 Vertical Select the trigger level that can be adjusted by LEVEL knob You can adjust LEVEL A LEVEL B or adjust them at the same time Mode Set up Auto Use this mode to let the acquisition free run in the absence of a valid trigger This mode allows an untriggered scanning waveform at 100 ms div or slower time base settings Normal Use this mode when you want to see only valid triggered waveforms when you use this mode the oscilloscope does not display a waveform until after the first trigger Single When you want the oscilloscope to acquire a single waveform press the SINGLE button Enter the Trigger setup menu See table 2 14 Next Page Page 2 2 Return the first page of slope trigger 73 Mode Auto Next Page Figure 36 Slope Trigger Menu 2 Operating Instructions Follow next steps if you select Slope trigger 1 Input a signal to CH1 or CH2 2 Press the AUT
6. Language 137 UTILITY Sust me Son Compteur Figure 70 Language Selection Screen Self Calibration Self Calibration procedure can optimize the signal path at the most measurement precision You can run this procedure at any time If the operating temperature changes by more than 5 C or the units run more than thirty minutes you should do the self calibration When you run the self Calibration you should disconnect all the probes and leads and make sure the scope is not in Single Shot mode Then press the Utility button to choose the Do self cal to show the self Calibration Menu and execute self calibration program according to the prompt on the screen 138 Disconnect Everything from All Inputs Doing CH2 Cal 8 Figure 71 Calibration Screen Self Test Press UTILITY and select Do Self Test Table 54 Self Test Menu Keyboard Te Screen Test Select Screen Test to enter the screen test interface The message Press SINGLE Key to continue Press RUN STOP Key to exit is displayed Press Single button for test Run Stop to exit 139 Figure 72 Screen Test Start Screen Keyboard Test Select keyboard Test to enter the key test interface the on screen shapes represent the front panel keys The shapes with two arrows beside them represent the front panel knobs The squares represent the knob presses for scale knobs Test all keys and knobs
7. Reset Return the first page of Trigger main menu 1 Edge Source 4 CHI Slope Figure 31 Trigger Menu Screen 63 Operating Instructions 1 Setup Type 1 Press the TRIG MENU button to display Trigger menu 2 Press the Type option button to select Edge 2 Setup Source According to input signal press the Source option button to select CH1 CH2 EXT EXT 5 or AC Line 3 Setup Slope E Press the Slope option button to select E x 4 Setup Trigger mode Press the Trigger mode option button to select Auto Normal Single Auto The waveform refresh at a high speed whether the trigger condition is satisfied or not Normal The waveform refresh when the trigger condition is satisfied and waits for next trigger event occurring when the trigger condition is not satisfied 64 Single The oscilloscope acquire a waveform when the trigger condition is satisfied and then stops 5 Setup Trigger coupling e Press the Set up button to enter the Trigger Setup Menu e Press the Coupling option button to select DC AC HF Reject or LF Reject Pulse Trigger Use Pulse Width triggering to trigger on aberrant pulses Table 15 Pulse trigger Function Menu 1 Option Setting Explain Type Pulse Select the pulse to trigger the pulse match the trigger condition Source CHI Sel
8. WARNING Do not alter the ground connection Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety standards WARNING To avoid electrical shock hazard disconnect power cord before removing covers Refer servicing to qualified personnel CAUTION Before connecting the line cord to the AC mains check the rear panel AC line voltage indicator Applying a line voltage other than the indicated voltage can destroy the AC line fuses For continued fire protection replace fuses only with those of the specified voltage and current ratings CAUTION This product uses components which can be damaged by electro static discharge ESD To avoid damage be sure to follow proper procedures for handling storing and transporting parts and subassemblies which contain ESD sensitive components Compliance Statements Disposal of Old Electrical amp Electronic Equipment Applicable in the European Union and other European countries with separate collection systems Safety Symbols Ale connection This product is subject to Directive 2002 96 EC of the European Parliament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market after August 13 2005 and should not be disposed
9. e Volts div knob l Use the Volts div knobs to control how the oscilloscope amplifies or attenuates the source signal of channel waveforms When you turn the volts div knob the oscilloscope increases or decreases the vertical size of the waveform on the screen with respect to the ground level 2 When you press the Volt div Knob you can switch Volt div option between Coarse and Fine The vertical scale is set by the 1 2 5 step in the Coarse Increase in the clockwise direction decrease in the counter clockwise direction In the fine mode the knob changes the Volts Div scale in small steps between the coarse settings Again increase in the clockwise direction decrease in the counterclockwise direction Math Functions Math shows the results after and FFT operation of CH1 and CH2 Press the MATH button to display the waveform math operations Press the MATH button again to remove the math waveform display 43 Table 6 Math Function Menu Function Setting Introduction Operation 5 FFT Math operations between signal source CHI and CH2 CHI Invert on Invert the CH1 waveform off Turn off CH1 Invert function CH2 on Invert the CH2 waveform Invert off Turn off CH2 Invert function Table 7 Math Function Description Operation Setting Introduction CH1 CH2 CHI waveform adds CH2 waveform CH1 CH2 The channel 2 wavefo
10. e Press the Time option button to enter the Time Measure menu e Press the Source option button to select input signal channel e Press the Type option button to select Freq The corresponding icon and measure value will display on the third option area Measure signal peak to peak amplitude e Press the MEASURE button to display auto measure menu e Press the top second option button e Press the Voltage option button to enter the Voltage measure menu e Press the Source option button to select input signal channel e Press the Type option button to select Vpp The corresponding icon and measure value will display on the third option area 161 Taking Cursor Measurements You can use the cursors to take time and voltage measurements of a waveform quickly Measuring Ring Frequency To measure the ring frequency at the rising edge of a signal follow these steps 3 4 Press the CURSORS button to see the Cursor Menu Press the Mode button to select Manual Press the Type option button and select Time Press the Source option button and select CH1 Press the CurA button and turn the universal knob to place the cursor A on one peak of the ring Press the Cur B button and turn the universal knob to place the cursor B on the nearest peak of the ring You can see the delta time and frequency the measured ring fr
11. ita e ttt eite 19 PROBE ATTENUATION estes eoe eee eres ta eese e coena Coe avoue eee teta EVER GE 20 PROBE COMPENSATION oeste esee rote c evel oa aee E a eris 21 CHAPTER 2 FUNCTIONS AND OPERATING DESCRIPTIONS 23 MENU AND CONTROL BUTTON cesses nennen enne nns in nnns nans 24 sie deem 26 AUTO SETUB 2 riri a Sock ct oak aha re e shi Ur ERE D RUPEE SE HERR 27 DEFAULT SETUP 555 eerie d ee che Prep deer iP eee t eL or dra ha FIXE SERE 30 UNIVERSAL KNOB cccccccccessssseecececeauensescececeeeeaagsseeeeeeeesuenseseeeeeeaeas 31 VERTIGALSYSTEM cesidccvasecancesssivacsdactacsdaesatecdisasdesviestdecs drecdsabiecaiace 32 CHANNEL FUNCTION MENU seen nnnm 33 Setting Up Channels eese essen nennen EREE KTA 35 USING VERTICAL POSITION KNOB AND VOLT DIV KNOB eeeene 42 MATH F UNGTIONS 3 e ssscee vt eere sense ese eve S Exe vh exte ene Peleo sence 43 FFT Spectrum Analyzer esses esee rh hens sse hana n 45 Displaying the FFT Spectrum esses eene nhan 48 Select EFT WINdOW x d ie de icd e Le ke e xeu 49 Magnifying and Positioning and FFT Spectrum esesssse 50 Measuring an FFT Spectrum Using Cursors eese 50 USING RE Fis P 54 HORIZONTAL SYSTEM sesssescecececeesssescecececeeueesseececeeeaeensneseeseeeeeaaegs 56 Horizontal Control Knob seien eene tnnt 56 WUINGOW ZONE MR 58 TRIGGER SYSTEM reo esce
12. Indicates whether the PRINT KEY option is set to print picture or save picture 9 Print Key option is set to Print Picture 9 Print Key option is set to Save Picture Back USB Indicates whether the BACK USB option is set to Computer or Printer Il pack USB option is set to Computer amp Back USB option is set to Printer not available Tag to show waveform channel number On screen markers show the ground reference points of the displayed waveforms If there is no marker the channel is not displayed Display signal source Signal Coupling Symbol Vertical scale factor of corresponding channels Indicates whether the bandwidth limiting filter is On or Off The B icon indicates the filter is On Main time base scale setting Horizontal position of main time base waveform Shows the icon for the trigger type Displays real time and date Shows the trigger voltage Trigger signal frequency 16 Package Contents The digital storage oscilloscopes are shipped with the following contents 2530B 2532B Digital Storage Oscilloscope User Manual Easyscope Software Installation Disk USB Type A to B communication cable AC Power Cord Two 10 1 passive oscilloscope probes Please locate each item from the original packaging and contact B amp K Precision immediately if something is missing Checking Functions Please follow the steps below when checking the oscilloscope s functional
13. Press the Confirm option button when you have the Name field completed as desired to save the file onto the memory device After the Confirm option button is pressed a Data Store Success message is briefly shown and the new folder or file is shown on your USB flash drive 118 Save Recall Setup e Save Setups to Device The complete setup is stored in nonvolatile memory When you recall the setup the oscilloscope will be in the mode from which the setup was saved The oscilloscope saves the current setup if you wait three seconds after the last change before you power off the oscilloscope The oscilloscope recalls this setup the next time you apply power Table 41 Save Setup to Device Function Menu Option Setting Introduction Type Setups Menu for the Storage Recall setting in the oscilloscope Save to Device Save setup to the oscilloscope s internal memorizer Setup No 1 to No 20 Press the Setup option button or turn the universal knob to select storage position NEM idi Accomplish the storage Recall Recall the storage in the Setup operation Save SAVE REC Type SaveTo Setup 4 Nol M 2 56ps Figure 60 Save Rec Menu 119 To save setups to the oscilloscope s internal memory follow the steps below For example Save setup that set waveform display type to Dots to internal memory 1 8 Press the SAVE RECALL button to enter th
14. knob 1 Used to change the horizontal time scale to magnify or compress the waveform If waveform acquisition is stopped using the RUN STOP or SINGLE button turn the time div knob to expand or compress the waveform Select the horizontal time div scale factor for the main or the window time base When Window Zone is enabled it changes the width of the window zone by changing the window time base 57 e Display scan mode When the TIME DIV control is set to100 ms div or slower and the trigger mode is set to Auto the oscilloscope enters the scan acquisition mode In this mode the waveform display updates from left to right There is no trigger or horizontal position control of waveforms during scan mode Window Zone Use the Window Zone option to define a segment of a waveform to see more detail This function behaves like zooming into a portion of the captured waveform The window time base setting cannot be set slower than the Main time base setting You can turn the Horizontal Position and TIME DIV controls to enlarge or minimize waveforms in the Window Zone If you want to see a section of the waveform in details follow these steps Press the HORI MENU button to enter the Horizontal menu 2 Turn the time div knob to change the main timebase scale 3 Press the Delayed option button to select On 58 HORIZON Figure 30 Horizontal Delay Menu 4 Turn the Horizontal Positio
15. DSO are portable benchtop instruments used for making measurements of signals and waveforms This chapter will highlight information on the following e Panel and display information e Package Contents e Checking functions e Probe Attenuation e Probe Compensation 10 Panel and Display Information Front Panel It is important for you to understand the DSO s front panel before operating it The following contents are a brief introduction for the front panel function which is useful to become familiar with the operation of the 2530B 2532B DSO The oscilloscope provides an easy to use front panel to simplify operations for the user Figure 1 Front Panel Controls 11 1 Menu On Off display button 2 Selection option buttons 3 Universal knob 4 Common function buttons Cursor Measure Acquire Display Save Recall Utility 5 Vertical Controls Volts div vertical position CH1 amp CH2 On Off Math function Reference function 6 Default setup button 7 Help button 8 Run Controls Single Run Stop 9 Horizontal Controls Time div horizontal position Horizontal menu 10 Trigger Controls Trigger menu Set to 5096 Force Trigger level 11 1 KHz probe compensation 12 External trigger 13 CHI and CH2 inputs 14 Print button 15 LCD Display 16 USB Host port for storage to USB thumb drives 17 Main power On Off button 18 Tilt feet Back and Side Panel The following shows the ba
16. Page 1 2 Enter the second page of the alternative trigger Table 27 Set Trigger Mode to Slope Trigger Function Menu 2 Option Setting Instruction Time 49 Turn the Universal knob to set the slope Set time time Time setup range is 20ns 10s Vertical Select the trigger level that can be adjusted by LEVEL knob You can adjust LEVEL A LEVEL B or adjust them at the same time Selections depend on slope trigger condition Set up Les Enter the Trigger setup menu see table 2 14 Next Page Page 2 2 Return the first page of Alternative trigger menu 79 Operation Instructions To observe two irrelative channel signals follow these steps 1 2 10 11 12 Input two irrelative signals to channel 1 and channel 2 Press the AUTO button Press the TRIG MENU button to enter trigger menu Press the Type option button to select Alternative Press the Channels option button to select CH1 CH2 Press the Source option button to select CH1 Press the CH1 button and turn the time div knob to optimize waveform display Press Mode option button to select Edge Pulse Slope or Video Set the trigger according to trigger edge Press the Source option button to select CH2 Press the CH2 button and turn the time div knob to optimize waveform display Repeat steps 8 and 9 80 Coupling Use Coupling to ma
17. normal or single and check the trigger level whether or not it is over the wave range If yes please put the trigger level to the middle position or set the trigger mode to the Auto position Another way is to choose the Auto button to set up automatically 6 After the Acquisition is set to Averages or Display Persistence time is set too long the waveform refreshes slowly It is normal in these settings 7 The signal is displayed as a ladder like waveform 1 This phenomenon is normal The time base may be too slow Turn the horizontal SCALE knob to increase horizontal resolution to improve the display Maybe the display Type is set to Vectors You could set it to Dots mode to improve the display 176 Chapter 5 Specifications e All specifications apply to measurements with a 10X probe To verify that the oscilloscope meets specifications the oscilloscope must first meet the following conditions o The oscilloscope must have been operating continuously for thirty minutes within the specified operating temperature o You must perform the Do Self Cal operation accessible through the Utility menu if the operating temperature changes by more than 5 C o The oscilloscope must be within the factory calibration interval e All specifications are guaranteed unless noted typical Specifications 2530B 2532B Inputs Input Coupling AC DC GND Input Impedance 1 MQ 296 I
18. of as unsorted municipal waste Please utilize your local WEEE collection facilities in the disposition of this product and otherwise observe all applicable requirements This symbol is used to denote the measurement ground This symbol on an instrument indicates caution For details the user should refer to the operating instructions in the manual N Electrical Shock hazard CATI 400V On Power This is the In position of the power switch when instrument is ON Off Power This is the Out position of the power switch when instrument is OFF This symbol shows that the switch is a power switch located at the top of the oscilloscope Pressing this button toggles the oscilloscope s state between operation and power off mode IEC Measurement Category I Inputs may be connected to mains up to 400 VAC under Category overvoltage conditions Table of Contents SAFETY SUMMARY s5sssccsdsccossceccsetvenssencesnseossvessenteesssessesscesssssdseses 3 CHAPTER 1 INTRODUCTION ssccssccssccsscsssssssesscessssssssssesees 10 PANEL AND DISPLAY INFORMATION esee enne 11 Front Panel eise datio dede eet ded edt ende i ede ite dna tno a 11 Back and Side Panel 5 5 ere o e adea 12 Display Information eeeesesseses ra a rh nnn nnne rna AAS 15 PACKAGE CONTENTS 30 20 05 eee Sorc tee e vente oe oves 17 CHECKING FUNCTIONS ete eve eet ento ete duae va ree eee eres TEENS 17 PROBE SAEETY
19. Attenuation Probes are available with various attenuation factors which affect the vertical scale of the signal The Probe Check function verifies that the Probe attenuation option matches the attenuation of the probe You can push a vertical menu button such as the CH 1 MENU button and select the Probe option that matches the attenuation factor of your probe Note The default setting for the Probe option is 1X Be sure that the attenuation switch on the probe matches the Probe option in the oscilloscope Switch settings are 1X and 10X 20 Note When the attenuation switch is set to 1X the probe limits the bandwidth of the oscilloscope to 10 MHz according to Probe spec To use the full bandwidth of the oscilloscope be sure to set the switch to 10X Probe Compensation As an alternative method to Probe Check you can manually perform this adjustment to match your probe to the input channel AUTO BUTTON PROBE COMP CH1 Figure 9 Probe Compensation Setup 1 Set the Probe option attenuation in the channel menu to 10X Do so by pressing CH1 button and selecting Probe from menu Select 10X Set the switch to 10X on the probe and connect the probe to channel 1 on the oscilloscope If you use the probe hook tip ensure a proper connection by firmly inserting the tip onto the probe 2 Attach the probe tip to the PROBE COMP 3V connector and the reference lead to the PROBE COMP Ground connector
20. Display the channel and then push the AUTO button 3 Check the shape of the displayed waveform 21 Compensated Correctly Undercompensated 4 If necessary adjust your probes compensation trimmer pot Repeat as necessary 22 Chapter 2 Functions and Operating Descriptions To use your oscilloscope effectively you need to learn about the following oscilloscope functions e Menu and control button e Connector e Auto Setup e Default Setup e Universal knob e Vertical System e Horizontal System e Trigger System e Acquiring signals System e Display System e Measuring waveforms System e Utility System e Storage System e Online Help function 23 Menu and Control Button Figure 10 Control Buttons Channel buttons CH1 CH2 Press a channel button CH1 or CH2 to turn that channel ON or OFF and open the Channel menu for that channel You can use the channel menu to set up a channel When the channel is ON the channel button is lit MATH Press to display the Math menu You can use the MATH menu to use the oscilloscope s Math functions REF Press to display the Ref Wave menu You can use this menu to save and recall reference waveforms to and from internal memory 24 HORI MENU Press to display the Horizontal menu You can use the Horizontal menu to display the waveform and to zoom a segment of a waveform TRIG MENU Press to display the Trigger menu You can use the Trigger menu to set t
21. I Press TRIG MENU button to show the Trigger Menu 2 Under this menu set the trigger type to edge Edge type is Rising source is CHI trigger mode is Single coupling is DC 3 Adjust the horizontal time base and vertical scale to the satisfied range 4 Turn the LEVEL knob to adjust the trigger level 5 Press the RUN STOP button to start capturing When the trigger conditions are satisfied data appears on the display representing the data points that the oscilloscope obtained with one acquisition and press the RUN STOP button again rearms the trigger circuit and erases the display 165 Analyzing the Signal Detail You have a noisy signal displayed on the oscilloscope and you need to know more about it You suspect that the signal contains much more detail than you can now see in the display Looking at a Noisy Signal The signal appears noisy and you suspect that noise is causing problems in your circuit To analyze the noise better follow these steps 1 Press the ACQUIRE button to see the acquire menu 2 Press the Acquisition option button or turn the Universal knob to select Peak Detect 3 If necessary press the DISPLAY button to see Display menu Turn the Universal knob to adjust waveform intensity and grid brightness to see the noise more clearly 4 Peak detect emphasizes noise spikes and glitches in your signal especially when the time base is set to a slow settin
22. Interval option button to select time interval between play back frames 152 5 Press the Next Page 1 2 to enter the second page of Play Back function menu 6 Select the Start Frame option turn the Universal knob to adjust the start frame of play back waveform 7 Select the End Frame option turn the Universal knob to adjust the end frame of play back waveform 8 Press the Next Page 2 2 option button to return the first page of Play Back menu 9 Press the P 7 option button in Operate option to play back waveforms Record This mode allows for gap free recording of waveform data and can be enabled in SCAN MODE only refer to Horizontal Control Knob section It is similar to the above described waveform recorder mode however the recorded data can only be played back on screen but cannot be retrieved Maximum recordable data depends on the timebase in scan mode Recorded data can also be stored into external USB flash drive Table 62 Waveform Recording Function Menu option Description Record Record the waveform persistently Replay Replay recorded waveform Option Set the recorder properly Return Quit the recording function 153 Recorder M 166ms Figure 83 Record Screen Table 63 Waveform Recall Function Menu Option Description Stop Quit the auto recalled waveform then the waveform in EMS memory can be observed through altering
23. Press the bottom option button to select REFA On or REFB On to recall the reference waveform M Sa ys Figure 29 REF Waveform Menu 55 Note X Y mode waveforms are not stored as reference waveforms You cannot adjust the horizontal position and scale of the reference waveform Horizontal System Shown below there is one button and two knobs in the HORIZONTAL area Table 12 Horizontal System Function Menu Option Setting Description Delayed On Turn on this function for main timebase waveform to display on the top half screen and window Off timebase waveform to display on the below half screen at the same time Turn off this function to only display main timebase waveform on the screen Horizontal Control Knob You can use the horizontal controls to change the horizontal scale and position of waveforms The horizontal position readout shows the time represented by the center of the screen using the time of the trigger as zero 56 Changing the horizontal scale causes the waveform to expand or contract around the screen center Horizontal POSITION knob 1 Adjust the horizontal position of all channels and math waveforms the position of the trigger relative to the center of the screen The resolution of this control varies with the time base setting When you press the horizontal POSITION Knob you can set the horizontal position to zero time div
24. Table 5 Digital Filter Function Menu 34 e GND Coupling Use GND coupling to display a zero volt waveform Internally the channel input is connected to a zero volt reference level e Fine Resolution The vertical scale readout displays the actual Volts Div setting while in the fine resolution setting Changing the setting to coarse does not change the vertical scale until the VOLTS DIV control is adjusted e The oscilloscope vertical response rolls off slowly above its bandwidth Therefore the FFT spectrum can show valid frequency information higher than the oscilloscope bandwidth However the magnitude information near or above the bandwidth will not be accurate e If the channel is set to DC coupling you can quickly measure the DC component of the signal by simply noting its distance from the ground symbol e If the channel is set to AC coupling the DC component of the signal is blocked allowing you to use greater sensitivity to display the AC component of the signal Setting Up Channels Each channel has its own separate Menu The items are set up separately according to each channel 1 Setup Channel Coupling 35 Take the CH1 for example the tested signal is a sine wave signal with DC deflection e Press CHI Coupling AC Set to AC couple mode This will block the DC component of the input signal Volts Div M S a ays Figure 15 AC Coupling e Press CH1 gt Coupling
25. esee nennen 162 MEASURING RING FREQUENCY sese ennemi nnn 162 Measuring Ring Amplitude esses eese nnns 163 CAPTURE A SINGLE EMENT eiii voce cene Eh don On ee enda edu epe ae RR e 164 ANALYZING THE SIGNAL DETAIL sese 166 Looking at a Noisy Signal eesssseseseeeeen eene nnne nnne 166 Separating the Signal from Noise esses 166 TRIGGERING ON A VIDEO SIGNAL esee 167 Triggering on Video Field esses 167 Triggering on Video Lines esses esee 168 APPLICATION OF X Y FUNCTION eee 168 ANALYZING A DIFFERENTIAL COMMUNICATION SIGNAL 170 CHAPTER 4 MESSAGE PROMPTS AND TROUBLESHOOTING 172 MESSAGE ite 172 TROUBLESHOOTING 5 2 501 ceci erret do adel eese era redata 174 CHAPTER 5 SPECIFICATIONS eee eeeeeee enne 177 SPEGIEIGATIONS sor ehe focios ena ata eb Tee do liken pe Eee ga erae e rea ARS Eds aS 177 CERTIFICATION e C 183 APPENDIX A DEFAULT SETUP sccssssssececcsseececceseeeeccesseeees 184 APPENDIX B INDEX cccssssccsssceccscccesseenesceccsceesceenessesceseeens 187 APPENDIX C DISABLING AUTO FUNCTION eere 188 SERVICE INFORMATION eese eee eene eene 189 LIMITED ONE YEAR THREE YEAR WARRANTY e 190 Chapter 1 Introduction The 2530B 2532B digital storage oscilloscopes
26. service section on our website www bkprecision com to obtain a RMA Return the product in the original packaging with proof of purchase to the address below Clearly state on the RMA the performance problem and return any leads probes connectors and accessories that you are using with the device Non Warranty Service Please go the support and service section on our website www bkprecision com to obtain a RMA Return the product in the original packaging to the address below Clearly state on the RMA the performance problem and return any leads probes connectors and accessories that you are using with the device Customers not on an open account must include payment in the form of a money order or credit card For the most current repair charges please refer to the service and support section on our website Return all merchandise to B amp K Precision Corp with pre paid shipping The flat rate repair charge for Non Warranty Service does not include return shipping Return shipping to locations in North America is included for Warranty Service For overnight shipments and non North American shipping fees please contact B amp K Precision Corp B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 Include with the returned instrument your complete return shipping address contact name phone number and description of problem 189 LIMITED ONE YEAR THREE YEAR WARRANTY B a
27. the noise and decrease the possibility of aliasing Average Use to reduce random or uncorrelated noise in the signal display Averages 4 16 32 64 Select number of averages 128 256 Sinx x On Use sin interpolation off Use linear interpolation Mode Equ time Set the Sampling mode to Equ time Real time Set the Sampling mode to Real time Sa Rate Display system sampling rate When you acquire a signal the oscilloscope converts it into a digital form and displays a waveform The acquisition mode defines how the signal is digitized and the time base setting affects the time span and level of detail in the acquisition 84 e Sampling In this acquisition mode the oscilloscope samples the signal in evenly spaced intervals to construct the waveform This mode accurately represents signals most of the time Advantage You can use this mode to reduce random noise Disadvantage This mode does not acquire rapid variations in the signal that may occur between samples This can result in aliasing which may cause narrow pulses to be missed In these cases you should use the Peak Detect mode to acquire data quisition mpling Mode Sa Rate 250 0MSa Figure 40 Acquire Menu e Peak Detect Peak Detect mode capture the maximum and minimum values of a signal Finds highest and lowest record points over many acquisitions 85 Advantage In this way the oscilloscope can acquire and displ
28. the time base the waveform in EMS memory can be moved left and right Previous Recall the waveform again Next Fast forward play the recalled waveform again Return Quit the recalling interface 154 Replay Remain Time 0 1 38 7 Figure 84 Replay Screen Table 64 Recording Setting Menu Option Setting Description Viewer Full Screen Waveform of Full screen recording and channel recalling Waveform of recording on split Split screen and channel recalling CH1 is displayed in upper half screen CH2 is displayed in lower half screen Record Mode Roll Recorder saves the channel waveform persistently the latter waveform will cover the former recorder will stop waveform Single Sweep saving when its memory is up to 6M Replay Mode One by One when recalling the screen waveform refresh from left to right 155 Roll When recalling screen waveform will refresh completely according to the capturing time of each frame Return quit the recording setting interface V er Full Screen rd Figure 85 Option Screen Recorder Operation step 1 2 Press the UTILITY button to enter Utility menu Press the Next Page option button to enter the four page of Utility menu Press the Recorder button to enter the Recorder manual Press the Option button to select the parameter which you want by yourself Press the Recorder b
29. this button to enter first page 135 Table 51 IO Setting Function Menu Set up band rate Note When interfacing with the EasyScope software it is recommended that users use the rear panel USB interface for communication instead of RS232 because transmission speed is noticeably slower when waveforms are being transferred from scope to PC via RS232 interface port Table 52 Utility System Function Menu 4 Option Setting Introduction Screen saver Imin 2min Set the time of Screen saver 5min 10min 15min 30min lhour 2hour Shour Off Recorder Record Goes into record menu to start waveform record Replay Playback recordings Record setups PReum _ Retumsto previous menu System Status Press the System Status option button of the Utility Menu to view the oscilloscope s hardware and software configuration 136 Startup Times Softw Hardware Product Type Serial No 1020 1062 6003 00 press SINGLE key to exit Figure 69 System Status Info Screen Table 53 System Status Information Option Introduction Startup Times List the boot strap times Software version List the software version Hardware Version List the hardware version Product type List the product type Serial No List the product serial number Language The oscilloscopes have twelve languages available and selectable for the menu items Press the UTILITY button then select
30. to verify that all the backlit buttons illuminate correctly Note e When you operate the screen would display the white Color LCD and black single LCD repose e The tested button or knobs corresponding area would display green Color LCD or white single LCD 140 At the bottom of the screen display Press RUN STOP Key Three Times to exit information prompt to show that press RUN STOP three times to end test aap Gap 8699 e aap Gap 8 d d ud gt a E gt gt gt amp press RUN STOP key three times to exi Figure 73 Key Test Screen LED Test Select LED Test to enter the lighten interface the on screen lathy rectangle shapes represent the front panel keys the lathy rectangle shapes represent the front panel knobs The squares represent the knob presses for scale knobs The clew words Press SINGLE Key to continue Press RUN STOP Key to exit is displayed you could press the Single button continuously for testing when buttons are lighted the corresponding area on the screen would display green Color LCD or white Single LCD 141 E EE 7 E ee ome u Km X X XJ a E B E E M JE Z2 ZZ JE 1 dir MON MON ee N press SINGLE key to continue Press RUN STOP key to exit Figure 74 LED Test Screen Updating the System Software e Using USB flash drive to update firmware The software of the oscilloscop
31. waveform 50 level 110 ETE Width Measures the time between the first Wid falling edge and the next rising edge at the waveform 50 level Aot Measures the first cycle waveform Duty Positive Duty Cycle is the ratio between positive pulse width and period ETE Measures the first cycle waveform Duy Negative Duty Cycle is the ratio between negative pulse width and period Pr The amount one waveform leads or lags Phase another in time Expressed in degrees where 360 degrees comprise one waveform cycle LL The time between the first rising edge of FRR source and the first rising edge of source 2 p mi The time between the first rising edge of FRF source 1 and the first falling edge of source 2 LL The time between the first falling edge of FFR source and the first rising edge of source 2 WA The time between the first falling edge of FFF source 1 and the first falling edge of source 2 pir The time between the first rising edge of LRR source 1 and the last rising edge of source 2 p m 1 The time between the first rising edge of LRF source and the last falling edge of source 2 Tart The time between the first falling edge of LFR source and the last rising edge of source 2 Ta The time between the first falling edge of LFF source and the last falling edge of source 2 If you want to measure voltage parameters please follow the steps below 1 Press the MEASURE button
32. 16 pf 3 pf Maximum input voltage 400 V DC AC PK PK 1 MQ input impedance X10 CAT I 5 Vrms 10 V Peak for 1 s pulse 50 duty cycle 50 Q BNC Ch to Ch Isolation gt 100 1 at 10 MHz gt 100 1 at 20 MHz 177 Both channels in same V div setting Probe attenuator 1X 10X Probe attenuation selectable factors 1X 10X 100X 1000X Vertical System Vertical Sensitivity 2 mV div 10 V div 1 2 5 order Channel voltage offset range 2 mV 100 mV x2 V 102 mV 10 V 40 V Vertical Resolution 8 bit Channels 2 Analog 25 MHz 40 MHz Bandwidth Single shot 25 MHz 40 MHz Bandwidth Lower frequency limit AC lt 10 Hz at input BNC coupled DC Gain Accuracy lt t 3 096 10 mV div to 10 V div in fixed gain ranges lt 4 0 2 mV div 5 mV div and variable gain ranges DC Measurement Accuracy All Gain settings lt 100mV div 3 lreadingl loffsetl 1 loffsetl 0 2 div 2 mV DC Measurement Accuracy All Gain settings 3 lreading loffsetl 1 offsetl 0 2 div 100 mV 100mV div Rise time 14 ns 8 8 ns Overshoot Typical lt 10 with probe or BNC input w 50 using 500 ps pulse Ohm feed thru Math operation FFT FFT Window mode Hanning Hamming Blackman Rectangular Sampling points 1024 178 Horizontal System Real Time Sampling R
33. BK a aw oY OE Te whe MBE 2530B 2532B 25 MHz amp 40 MHz Digital Storage Oscilloscope USER MANUAL e E Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of operation service and repair of this instrument Before applying power follow the installation instructions and become familiar with the operating instructions for this instrument If this device is damaged or something is missing contact the place of purchase immediately This manual contains information and warnings must be followed to ensure safe operation as well as to maintain the oscilloscope in a safe condition GROUND THE INSTRUMENT To minimize shock hazard the instrument chassis and cabinet must be connected to an electrical ground This instrument is grounded through the ground conductor of the supplied three conductor ac power cable The power cable must be plugged into an approved three conductor electrical outlet Do not alter the ground connection Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety standards DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a de
34. Control Horizontal Position Knob Vector Display Type ScanDisplay Note When the display type is set to Vector the oscilloscope connects the sample points by using digital interpolation Interpolation mode contains linear interpolation and sin x x interpolation Sinx x interpolation is suitable for reconstructing curved or irregular wave shapes especially when the sample rate is 3 to 5 times the system bandwidth or at faster time base settings 98 Measure System The oscilloscope displays the voltage in relation to time and test the waveform displayed There are scale cursor and auto measure modes Scale Measurement This method allows you to make a quick visual estimate For example you might look at waveform amplitude and determine that it is a little more than 100 mV You can take simple measurements by counting the major and minor graticule divisions involved and multiplying by the scale factor For example if you counted five major vertical graticule divisions between minimum and maximum values of a waveform and knew you had a scale factor of 100 mV div then you could easily calculate your peak to peak voltage as follows 5 divisions x 100 mV div 500 mV Cursor Measurement The cursor measurement has three modes Manual Track and Auto Measure 99 Manual Mode Table 32 Manual Cursor Function Menu Option Setting Instruction Cursor Manual In this menu set the manua
35. Host Port For PC interface with EasyScope software Specifications are subject to change without notice To ensure the most current version of this manual please download the current version here http www bkprecision com search manual 2530B For current up to date product information please visit www bkprecision com 182 Certification CE Compliant CE Declaration of Conformity The oscilloscope meets the requirements of 2006 95 EC Low Voltage Directive and 2004 108 EC Electromagnet Compatibility Directive Low Voltage Directive EMC Directive EN61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use The oscilloscope meets the following Installation Categories II Supply Connector and I Measuring Terminals Pollution Degree 2 Normally only dry non conductive pollution occurs Occasionally a temporary conductivity caused by condensation must be expected Protection Class I Provided with terminal for protective ground EN 61010 031 2002 A1 2008 Safety requirements for hand held probe assemblies for electrical measurement and test EN 61000 3 2 2006 EN 61000 3 3 1995 A1 2001 A2 2005 EN 61326 1 2006 Electrical equipment for measurement control and laboratory use 183 Appendix A Default Setup Menu or system Options knobs or buttons Default setup
36. O button 3 Press the TRIG MENU button to enter Trigger menu 4 Press the Type option button to select Slope 5 Press the Source option button to select CH1 or CH2 6 Press the When option button to select cec pd E EC EL e E or SHE v 74 7 Press the Time button and turn the Universal knob to adjust slope time 8 Press the Next Page Page 1 2 option button to enter the second page of the Slope trigger menu 9 Press the Vertical option button to select a trigger level that can be adjusted 10 Turn the LEVEL knob Alternative Trigger The trigger signal comes from two vertical channels when you use alternative trigger In this mode you can observe two irrelative signals at the same time You can select different trigger types for two vertical signals Different types include edge pulse video and slope trigger Trigger information for both channels will display on the bottom right of the screen Mode 4 Edge Slope Figure 37 Alternate Trigger Menu 75 Table 21 Set Trigger Mode to Edge Trigger Function Menu 1 Option Setting Instruction Type Alternative The trigger signal comes from two vertical channels when you use alternative trigger In this mode you can observe two irrelative signals at the same time Source Mode CHI CH2 Edge Set trigger type information for CH1 signal Set trigger type informa
37. T 5 6 of setting 200 mV 179 Trigger Sensitivity For fixed gain ranges 1 Divisions DC 10 MHz 1 5 Divisions 10 MHz 25 MHz EXT 200 mVpp DC 10 MHz 300 mVpp 10 MHz 25 MHz EXT 5 1 Vpp DC 10 MHz 1 5 Vpp 10 MHz 25 MHz Pulse Width Trigger Video Trigger Trigger Modes gt lt positive Pulse Width gt lt Negative Pulse Width Pulse width range 20 ns 10 s Support signal formats PAL SECAM NTSC Trigger condition odd field even field all lines line Num Slope Trigger Alternative Trigger gt Positive slope gt Negative slope Time 20 ns 10 s CHI trigger type Edge Pulse Video Slope CH2 trigger type Edge Pulse Video Slope Display System Display Mode Color TFT 5 7 in 145 mm diagonal Liquid Crystal Display Resolution 320 horizontal by 240 vertical pixels Display Color 64K color Display Contrast Typical state 150 1 Backlight Intensity Typical state 300 cd m Wave display range 8 x 12 div Wave Display Mode Dots Vector Persist Off 1 sec 2 sec 5 sec Infinite Menu Display 2 sec 5 sec 10 sec 20 sec Infinite Screen Saver Off 1 min 2 min 5 min 10 min 15 min 30 min 180 1 hour 2 hour 5 hour Skin Classical Modern Tradition Succinct Waveform interpolation Sin x x Linear Color model Normal Inv
38. an be surveyed More data of pre trigger and 1s delayed trigger can be surveyed by adjusting the horizontal position 60 The feature is very useful because you can see the events that led up the trigger point Everything to the right of the trigger point is the post trigger information The amount of delay range pre trigger and post trigger information available is dependent on the sweep speed selected Signal Source You can use the Trigger Source options to select the signal that the oscilloscope uses as a trigger The source can be any signal connected to a channel BNC to the EXT TRIG BUS or the AC power line available only with Edge Trigger Trigger Type The scopes have five trigger types Edge Video Pulse Slope and Alternative Edge Trigger Use Edge triggering to trigger on the edge of the oscilloscope input signal at the trigger threshold 61 Table 13 Edge Trigger Function Menu Option Setting Explain Type Edge With Edge highlighted the rising or falling edge of the input signal is used for the trigger Source CHI CH2 Triggers on a channel whether or not the waveform is displayed EXT Does not display the trigger signal the Ext option uses the signal connected to the EXT TRIG front panel BNC and allows a trigger level range of 1 2 V to 41 2 V EXT 5 AC Line Same as Ext option but attenuates the signal by a factor of five and allows a trigger lev
39. at the same time Figure 54 Measure Time Parameters 113 Storage System Shown below the SAVE RECALL button enters the Storage System Function Menu SAVE RECALL j UTILITY j The scope can save 2 groups reference waveforms 20 groups setups and 10 waveforms to the oscilloscope s internal memory There is a USB Host interface in the front panel of the oscilloscope where you can save setup data waveform data waveform interface image CSV file to a USB flash drive Setup data and waveform data can be recalled to the oscilloscope Picture data and CSV file can t be recalled to the oscilloscope but it can be opened on a computer e Using SAVE ALL Screen The SAVE ALL screen is divided into functions based on Directories or Files Directories show option buttons for New Folder Del Folder and Load While File shows option buttons for New Folder Delete File and Load 114 100001 i Select folder files Create new Delete present Modify 10000 Select folder files reate new files in New File lt c present directories Delete lt gt Recall stored files or present Ney Figure 56 Save All Menu Screen 2 115 LUTTE j Modify the file Return to Next Page Figure 57 Save All Menu Screen 3 Recalling Files The Load button is used to recall your setup files Once you ve navigated to the desired file and it s highligh
40. ate Single Channel 500 MSa s Dual Channel 250 MSa s when timebase is faster than 250 nS div Highest Equivalent Sampling Rate 10 GSa s 25 GSa s Measure Display Modes MAIN WINDOW WINDOW ZOOM ROLL X Y Timebase Accuracy 100ppm measured over 1ms interval Horizontal Scan Range 25 nS DIV 10 nS DIV 50 S DIV 50 S DIV Scan Mode 100 mS DIV 50 S DIV 1 2 5 5 sequence Maximum Memory Length interleaved 32 000 points 16000 points for dual channel operation The number of data points depends on the timebase setting and whether or not the oscilloscope is in single or dual channel mode More details on how many datapoints can be saved to a CSV file can be found in the storage chapter of this manual The number of datapoints that can be captured via USB device interface using the EasyScope software is specified in the EasyScope manual Trigger System Trigger Types Edge Pulse Width Video Slope Alternative Trigger Source CH1 CH2 EXT EXT 5 AC Line typical applicable for the signal of rising and falling time gt 20ns Trigger Modes Auto Normal Single Trigger Coupling AC DC LF reject HF reject Trigger Level Range CH1 CH2 6 divisions from center of screen EXT 1 2 V EXT 5 6 V Trigger Level Accuracy Internal 0 2 divxV div within 4 divisions from center of screen EXT 6 of setting 40 mV EX
41. ay narrow pulses which may have otherwise been missed in Sample mode Disadvantage Noise will appear to be higher in this mode Mode SaRate 100 0KSa Figure 41 Peak Detect e Average The oscilloscope acquires several waveforms averages them and displays the resulting waveform Advantage You can use this mode to reduce random noise 86 Mode Figure 42 Acquisition Averaging Screen Equivalent Time Sampling The equivalent time sampling mode can achieve up to 10 GSa s Real Time Sampling The oscilloscope s maximum real time sampling rate is 500 MSa s RUN STOP Button Press the RUN STOP button when you want the oscilloscope to acquire waveforms continuously Press the button again to stop the acquisition SINGLE Button Press the SINGLE button to acquire a single waveform Each time you push the SINGLE button the oscilloscope begins to acquire another waveform After the 87 oscilloscope detects a trigger it completes the acquisition and stops When you push the RUN STOP or SINGLE buttons to start an acquisition the oscilloscope goes through the following steps 1 Acquire enough data to fill the portion of the waveform record to the left of the trigger point This is also called the pre trigger 2 Continue to acquire data while waiting for the trigger condition to occur 3 Detect the trigger condition 4 Continue to acquire data until the waveform record is full 5 Display the newly ac
42. ck and side panel connections of the DSO 12 Tope nm Figure 2 Back Panel Side ventilation fan Pass Fail output RS 232 Port USB interface port for remote connection to EasyScope software AC line input 100 240 V 45 440 Hz max 50 VA Carrying handle Main power On Off button 13 Figure 3 Side Panel 14 Display Information HORIZON Main Window M 2 S8ys 15 W Sa ns M Pos 8 00ps 10 Figure 4 Display Screen Trigger status e Armed The oscilloscope is acquiring pre trigger data All triggers are ignored in this state e Ready All pre trigger data has been acquired and the oscilloscope is ready to accept a trigger e Trig d The oscilloscope has seen a trigger and is acquiring the post trigger data e Stop The oscilloscope has stopped acquiring waveform data e Auto The oscilloscope is in auto mode and is acquiring waveforms in the absence of triggers e Scan The oscilloscope is acquiring and displaying waveform data continuously in scan mode This mode 15 10 11 12 13 14 15 16 occurs when oscilloscope is looking for a signal or when timebase is set slow enough in which the scope requires longer time to scan in order to acquire the entire signal on display Displays position of the present waveform window in internal memory Marker shows horizontal trigger position Turn the HORIZONTAL POSITION KNOB to adjust the position of the marker Print Key
43. dth 109 Width 109 Alternative Trigger 74 Auto set 27 Blackman 48 Counter 131 Coupling 32 Creating Folders and Files 116 DEFAULT SETUP 29 Digital Filter 40 EXT TRIG 26 Fall 109 FFT 44 Filter 33 Hanning 48 Help 160 Keyboard Test 143 Language 131 Math Functions 42 Pass Fail 146 Peak Detect 84 Persist 91 Polarity 67 Probe Attenuation 20 Probe Compensation 20 Pulse Trigger 64 Recalling Files 115 REF 53 Rise 109 S div 56 Sampling 84 Save Picture 126 Screen Test 143 Self Calibration 141 Self Test 142 SET TO 50 24 Sinx x 83 Slope Trigger 70 Storage 113 Sync 67 System Status 134 Time Domain Aliasing 87 Track Mode 101 Trigger 58 Trigger status 15 Universal Knob 30 Updating 145 Utility 131 Video Trigger 67 Vmax 108 Vmin 108 Volts Div 37 Vpp 108 Waveform Recorder 152 Window 45 Window Zone 57 X Y Format 96 Appendix C Disabling Auto Function The 2530B 2532B has the ability to disable the Auto button that would automatically setup the scope to display a signal circumventing the need to know how to set up scope parameters This feature could be used by educators as a teaching tool for basic oscilloscope operation To receive information on how to disable this Auto button function please contact B amp K Precision at http www bkprecision com contact us 188 SERVICE INFORMATION Warranty Service Please go the support and
44. e SAVE RECALL menu Press the Type option button to select setups Press the Save to option button to select Device Press the Setup option button to select No 1 Press the DISPLAY button to enter the Display menu Press the Type option button to select Dots Press the SAVE RECALL button to enter the SAVE RECALL menu Press the Save option button To Recall setup follow below 1 Press the SAVE RECALL button to enter the SAVE RECALL display menu Press the Type option button to select Setups Press the Save to option button to select Device Press the Setup option button or turn the Universal knob to select No 1 120 5 Press the Recall option button e Save Setup to USB Flash Drive Table 42 Save Setup to USB Flash Drive Function Menu Option Setting Introduction Type Setups Menu for the Storage Recall settings Save setup data to USB flash drive Go to the Save Recall interface SAVEREC Type Figure 61 Save Setup Screen Save Setup to USB Flash drive For example Save setup that set waveform display type to Dots to USB flash drive 1 Press the SAVE RECALL button to select Setups 121 2 Insert USB flash drive to USB host port of the oscilloscope and wait until the oscilloscope has initialized USB flash drive about five second 3 Press the Save
45. e Alternative The trigger signal comes from two vertical channels when you use alternative trigger In this mode you can Observe two irrelative signals at the same time Source CHI CH2 Set trigger type information for CH1 signal Set trigger type information for CH2 signal Mode Video Set trigger type of the vertical channel signal to Video trigger TI Normal triggers on the negative edge of the sync pulse Polarity Normal Inverted triggers on the positive edge of Inverted the sync pulse Next Page Page 1 2 Enter the second page of Alternative trigger menu Table 25 Set Trigger Mode to Video Trigger Function Menu 2 Option Setting Instruction Sync All lines Select appropriate video sync Line Num Odd field Even Field Standard NTSC Select the video standard for sync and Pal Secam line number count Next Page Page 1 2 Enter the second page of Alternative trigger menu Table 26 Set Trigger Mode to Slope Trigger Function Menu 1 Source CHI CH2 The trigger signal comes from two vertical channels when you use alternative trigger In this mode you can observe two irrelative signals at the same time Set trigger type information for CH1 signal Set trigger type information for CH2 signal Set trigger type of the vertical channel signal to slope trigger 78 Select slope trigger condition
46. e can be updated directly via USB Flash drive This process takes about two minutes Follow next steps 1 Insert USB Flash Drive with firmware procedure to USB Host interface on the front panel of the oscilloscope 2 Press the UTILITY button to enter the Utility menu 3 Press Next Page option button to enter the third page of Utility menu 4 Press the Update Firmware option button 142 5 Press the SINGLE button to start updating the software according to prompt on the screen When completed turn off the oscilloscope and turn on again The software will then be updated The oscilloscope needs to execute Do Self Cal after update Note Don t turn off the power while oscilloscope is updating Otherwise firmware will be corrupted and unit may not be able to boot up Pass Fail The Pass Fail function can monitor changes of signals and output pass or fail signals by monitoring the input signal and checking if its within the predefined mask or not Table 55 Pass Fail Function Menu 1 Option Setting Instruction Enable On Turn on Pass Fail function Off Turn off Pass Fail function Source CHI Select signal input channel CH2 Operate gt Press to run the Pass Fail test a Press to stop the Pass Fail test On Turn on times information display Msg Display Off of the waveform pass fail Turn off times information display 143 of the waveform pass fail Next Page Pa
47. ect Full screen or Split in Display option to display FFT waveform on full screen or display channel waveform and its FFT waveform on half screen at a time Figure 25 Math Function Screen MATH Operation FFT Source CH1 Vvindow 4 Hanning Next Page I 18 8ms Set dB Vrms to Time base Sampling be the vertical scale rate Scale unit 48 Select FFT Window Windows reduce spectral leakage in the FFT spectrum The FFT assumes that the YT waveform repeats forever With an integral number of cycles there are no discontinuities in the signal shape A non integral number of cycles in the YT waveform cause the signal start and end points to be at different amplitudes The transitions between the start and end points cause discontinuities in the signal that introduce high frequency transients Table 10 FFT Window Instruction Window Characteristics Applications Rectangular Best frequency resolution Symmetric transients worst magnitude or bursts resolution This is Equal amplitude sine essentially the same as no waves with fixed window frequencies Broadband random noise with a relatively slowly varying spectrum Hanning Better frequency poorer Sine periodic and Hamming magnitude accuracy than narrow band random Rectangular Hamming has noise Asymmetric slightly better frequency transients or bursts resolution than Hanning Blackman Best magnitude worst Single frequency
48. ect input signal CH2 source EXT EXT 5 65 When ak Select how to compare Positive pulse width less than the trigger pulse relative pulse width setting to the value selected in the Set Pulse Width Positive pulse width larger option than pulse width setting d Positive pulse width equal to pulse width setting Negative pulse width less than pulse width setting Negative pulse width larger than pulse width setting Negative pulse width equal to pulse width setting Set Width 20 0 ns 10 0 s Selecting this option can turn the universal to set up the pulse width Next Page Page 1 2 Press this button to enter the second page Pulse Source CHI When Figure 32 Pulse Trigger Menu Screen 66 Table 16 Pulse Trigger Function Menu 2 Option Setting Explain Type Pulse Select the pulse to trigger the pulse match the trigger condition Mode Auto Select the type of triggering Normal Normal mode is best for most Pulse Width single trigger applications Set up Enter the Trigger setup menu Next Page Page 2 2 Press this button to return the first page 4 Pulse Mode 4 Auto Figure 33 Pulse Trigger Menu 2 Operating Instructions Set up Type 1 Press the TRIG MENU button to display Trigger menu 2 Press the Type option button to select Pulse 2 Setup condition 67 Press the Whe
49. eer sea teet e a e erue E eed 59 Signal SOUI C8 rea er eh ertet e 61 Trigger TyD8 te esent ter eo eode ek e epe Yo ea enne aeo ean aaepe v edd 61 GOUplihg etii E S RARE RANT eh canoes 81 POSITION si iii e tt E RU HR EGRE ae 81 Slope and Level ei e eere te ten e er de edendo 81 Trigger Holdoff uii oir tio o RE Pa ER Re RB NR EMYE ost oe 82 ACQUIRING SIGNALS SYSTEM eee 84 DISPLAY SYSTEM S A ice irc rere eerie eter eed e bere REI 91 XY Format uui n ee c tg 97 MEASURE SYSTEM seien e n Rer seth nnde Suae o a ap e un RE Te gue Raia 99 Scale Measurement aet oio reae Le e eda e a aee 99 Cursor Measurement serino aiie eese enitn nennen ensis 99 Auto Measurement esses essen th nene s essen etnies 105 Siem 114 UTILITY SYSTEM siis aeterne tenete cuts nee ee aede nv E agaa 133 System Statusin essi ie a eren dade d dude ded aae d da eaa du Wan d dates 136 l ahnguage acere ree eo Adaa Aaaa ATA Aa EAS AAAA haa PALAA aana 137 Self Calibration osi i at ER Taia ea Aa A ARTT RARAS 138 Self Testi ae edt cee A e a e Hee eaii 139 Updating the System Software esses eene 142 Pass F il eii ice eta D eo erg a 143 Waveform Recorder esses esee na n 149 RECONG D 153 ONLINE HELP FUNCTION eeeseeeee nn ennemis 157 CHAPTER 3 APPLICATION EXAMPLES eee eene eene 159 TAKING SIMPLE MEASUREMENTS ceres 160 TAKING CURSOR MEASUREMENTS
50. el range of 6 V to 6 V This extends the trigger level range This selection uses a signal derived from the power line as the trigger source trigger coupling is set to DC and the trigger level to 0 volts Slope Es tL Trigger on Rising edge of the trigger signal Trigger on Falling edge of the trigger signal Trigger on Rising edge and Falling edge of the trigger signal Mode Auto Use this mode to let the acquisition free run in the absence of a valid trigger This mode scans waveform at 100 ms div or slower time base settings Normal Use this mode when you want to see only valid triggered waveforms when you use this mode the oscilloscope does not display a waveform until after the first trigger Single When you want the oscilloscope to acquire a single capture of a waveform press the SINGLE button Set up Enter the Trigger Setup Menu See below table 62 Table 14 Trigger Setup Function Menu Option Coupling Setting Explain DC Passes all components of the signal Blocks DC components attenuates signals below AC 50 Hz Attenuates the high frequency components above HF Reject 150 kHz LF Reject Blocks the DC component attenuates the low frequency components below 7 kHz Return Holdoff Using the universal knob to adjust holdoff time 49 sec the holdoff value is displayed Holdoff Reset holdoff time to 100 ns
51. equency on the top left of the screen 162 Type Figure 87 Cursor Menu Screen 1 Measuring Ring Amplitude To measure the amplitude follow these steps 1 2 Press the CURSORS button to see the Cursor Menu Press the Mode button to select Manual Press the Type option button and select Voltage Press the Source option button and select CH1 Press the CurA option button and turn the universal knob to place the cursor A on the highest peak of the ring Press the CurB option button and turn the universal knob to place the cursor B on the lowest peak of the ring You can see the following measurements on the top of the left screen 163 e The delta voltage peak to peak voltage of the ringing e The voltage at Cursor A e The voltage at Cursor B Mode Type Source MS cen e ays Figure 88 Cursor Menu Screen 2 Capture a single event To capture a single event you need to gather some knowledge of the signal in order to correctly set up the trigger level and slope If you are not sure about the instance of the signal you can observe it through auto or normal trigger mode to ensure the trigger level and slope will capture the signal The following steps show you how to use the oscilloscope to capture a single event 164 1 Set the Probe option attenuation to 10X and set the switch to 10X on the probe 2 Trigger set up
52. ert Language Simplified Chinese Traditional Chinese English Arabic French German Russian Spanish Portuguese Japanese Korean Italian X Y Mode X pole Input Y Pole Input Channel 1 CH1 Channel 2 CH2 Phase Error 3 degrees Hardware Frequency Counter Reading resolution 6 Bytes Accuracy 0 01 Range DC Couple 10 Hz to 25 MHz Signal Types Satisfying all trigger signals except pulse width trigger and video trigger Environment Condition Temperature Operating 50 F to 104 F 10 C to 40 C Not operating 4 F to 140 F 20 C to 60 C Cooling Internal cooling fan Humidity Operating 85 RH 104 F 40 C 24 hours Not operating 85 RH 149 F 65 C 24 hours Elevation Operating 9 842 5 ft 3 000m Nonoperating 50 085 3 ft 15 266m 181 Control Panel Function Auto Set Auto adjusting the Vertical Horizontal system and Trigger Position Save Recall save recall 2 referenced waveforms 20 setups and 10 captured waveforms to from internal memory or to external USB flash drive Power Supply Input Voltage 100 240 V AC CAT II Auto selection Frequency Range 45Hz to 440Hz Power 50VA Max Mechanical Dimensions WxDxH 12x6 3x 52 inches 305 x 160 x 133 mm Weight About 5 Ibs 2 3 kg Interface USB USB Device Port For Flash Drives USB
53. esired waveform as follows 27 Table 1 Autoset Menu Option Description Auto set the screen and display Multi cycle sine several cycles signal Set the screen and auto display single cycle signal Single cycle sine Auto set and show the rising time a Rising edge a Auto set and show the falling time Falling edge Causes the oscilloscope to recall the Undo R Lm previous setup Auto set determines the trigger source based on the following conditions e If multiple channels have signals channel with the lowest frequency signal e No signals found the lowest numbered channel displayed when Auto set was invoked e No signals found and no channels displayed oscilloscope displays and uses channel 1 28 Table 2 Autoset Function Menu Items Function Setting Acquire Mode Adjusted to Sampling Display Format Y T Display Type Set to Dots for a video signal set to Vectors for an FFT spectrum otherwise unchanged Vertical Coupling Adjusted to DC or AC according to the input signal V div Adjusted VOLTS DIV Coarse adjustability Signal inverted Off Horizontal position Center TIME DIV Adjusted Trigger type Edge Trigger source Auto detect the channel which has the input signal Trigger slope Rising Trigger mode Auto Trigger coupling DC Trigger holdoff Minimum Trigger level Set
54. finite safety hazard KEEP AWAY FROM LIVE CIRCUITS Instrument covers must not be removed by operating personnel Component replacement and internal adjustments must be made by qualified maintenance personnel Disconnect the power cord before removing the instrument covers and replacing components Under certain conditions even with the power cable removed dangerous voltages may exist To avoid injuries always disconnect power and discharge circuits before touching them DO NOT SERVICE OR ADJUST ALONE 3 Do not attempt any internal service or adjustment unless another person capable of rendering first aid and resuscitation is present DO NOT SUBSTITUTE PARTS OR MODIFY THE INSTRUMENT Do not install substitute parts or perform any unauthorized modifications to this instrument Return the instrument to B amp K Precision for service and repair to ensure that safety features are maintained WARNINGS AND CAUTIONS WARNING and CAUTION statements such as the following examples denote a hazard and appear throughout this manual Follow all instructions contained in these statements A WARNING statement calls attention to an operating procedure practice or condition which if not followed correctly could result in injury or death to personnel A CAUTION statement calls attention to an operating procedure practice or condition which if not followed correctly could result in damage to or destruction of part or all of the product
55. g Separating the Signal from Noise To reduce random noise in the oscilloscope display follow these steps 1 Press the ACQUIRE button to display the acquire menu 2 Press the Acquisition option button or turn the Universal knob to select Average 166 3 Press the Averages option button to see the effects of varying the number of running averages on the waveform display Averaging reduces random noise and makes it easier to see the details of a signal Triggering on a Video Signal Observe the video circuit in a piece of medical equipment and use the video trigger to obtain a stable display Triggering on Video Field To trigger on the video fields follow these steps 1 2 3 4 5 6 7 Press the TRIGGER MENU button to see trigger menu Press the top option button and select Video Press the source option button and select CH1 Press the Sync option button and select Odd Field or Even Field Press the Standard option button and select NTSC Turn the horizontal Time Div knob to see a complete field across the screen Turn the vertical Volts Div knob to ensure that the entire video signal is visible on the screen 167 Triggering on Video Lines To trigger on the video lines follow these steps 1 2 3 Press the TRIGGER MENU button to see the trigger menu Press the top opti
56. g Function Menu 2 Option Setting Instruction Save Store created mask setting Load Recall stored mask setting Return Return to the main menu of mask setting Last Page 2 2 Return to the first page of the Mask Page Setting menu 146 Next Page M Pos 6 66pus Figure 78 Mask Menu Screen 2 M 25 8ps RUN Pass Fail test please follow next page 1 2 Press UTILITY button to enter the Utility menu Press the Next Page Page1 4 option button Press the Next Page Page2 4 option button to enter the third page of Utility menu Press the Pass Fail option button to enter the Pass Fail function menu Press the Enable Test option button to select On Press the Source option button to select input signal channel Press the Next Page Page1 2 option button to enter the second page of the Pass Fail menu 147 10 11 Press the Mask Setting option button to enter the first page of Mask menu Press the X Mask button turn the Universal knob to adjust the horizontal clearance Press the Y Mask button turn the Universal knob to adjust the vertical clearance Press the Create Mask button to create mask and you also can enter the next page of Mask menu to recall the stored mask Enter the second page of Pass Fail function menu press the Output option button to set the output option En
57. ge 1 2 Press this button to enter second page of Pass Fail menu Lo LII Figure 75 En Test Source M 25 8ps Pass Fail Screen 1 Table 56 Pass Fail Function Menu 2 Option Setting Instruction Output Pass Fail Output when pass condition detected Output when fail condition detected Stop On Output On Off Stop test when output occur Continue test when output occur Mask Setting Press this button to enter the Mask Setting menu Return Return to the Pass Fail main menu Next Page Page 2 2 Return the first page of the Pass Fail menu 144 Figure 76 Pass Fail Screen 2 NM Output Ou put Mask Setting M 25 0 ps Table 57 Mask Setting Function Menu 1 Option Setting Instruction X Mask Turn the Universal knob to set a the range of horizontal clearance xdiv to the waveform lt 0 04div 4 00div gt Y Mask Turn the Universal knob to set a the range of vertical clearance to ydiv the waveform lt 0 04div 4 00div gt Create Create a test mask according to Mask the above clearance Location Internal Select position to store created External mask Next Page 1 2 Press this button to enter the Page second page of Mask Setting menu 145 Figure 77 Mask Menu Screen 1 Mask Location Internal Next Page Table 58 Mask Settin
58. give you ideas for using it to solve your own test problems e Taking simple measurements e Taking cursor measurements e Capturing a single shot signal e Analyzing signal detail e Triggering on a video signal e Application of X Y function e Analyzing a differential communication signal using math functions 159 Taking Simple Measurements Observe an unknown signal in a circuit display the signal quickly and measure the frequency and peak to peak amplitude 1 Using Auto set To quickly display a signal follow these steps Press the CHI button set the Probe option attenuation to 10X and set the switch to 10X on the probe Connect the channel 1 probe to the signal Press the AUTO button The oscilloscope sets vertical horizontal and trigger controls automatically If you want to optimize the display of the waveform You can adjust these controls manually till you are satisfied with the waveforms NOTE The oscilloscope displays relevant automatic measurements in the waveform area of the screen based on the signal type detected 2 Taking Automatic Measurements The oscilloscope can take automatic measurements of most displayed signals To measure signal frequency and peak to peak amplitude follow these steps 160 Measure signal frequency e Input the signal to channel 1 e Press the AUTO button e Press the MEASURE button to see auto Measure Menu e Press the top option button
59. hannel 6 Select Interval option turn the Universal knob to adjust time interval between record frames 7 Select End Frame select the Universal knob to adjust the max record frame 8 Press in Operate option to record waveform 150 Play Back Play back current record waveforms or saved record waveforms Table 60 Waveform Playback Function Menu 1 Option Setting Instruction Mode Play Back Set the Play Back function menu Operate p Run Press to start playback playing Step Press to stop playing Play ey Set circular play mode Mode gt Set single time play mode Interval 49 Set time interval between frames NextPage Page 1 2 Enter the second page of Play Back menu RECORD Mode Play Back Operate Figure 81 Record Menu Screen 2 GE 151 Table 61 Waveform Playback Function Menu 2 Option Setting Instruction Start Frame 49 Set start frame Curr Frame a Select current frame to be played End Frame 4 Set End frame Return Press to return the waveform recorder main menu Next Page Page 2 2 Return to the first page of Play Back function menu Next Page To play back current record waveforms follow these steps 1 Press UTILITY button to enter Utility menu 2 Press the Mode option button to select Play Back 3 Press the Play Mode option button to select C or DM 4 Press the
60. he trigger type Edge Pulse Video Slope Alternative and trigger settings SET TO 50 Press to stabilize a waveform quickly The oscilloscope can set the trigger level to be halfway between the minimum and maximum voltage level automatically This is useful when you connect a signal to the EXT TRIG connector and set the trigger source to Ext or Ext 5 FORCE Use the FORCE button to complete the current waveform acquisition whether the oscilloscope detects a trigger or not This is useful for Single acquisitions and Normal trigger mode SAVE RECALL Press to display the Save Recall menu You can use the Save Recall menu to save and recall up to 20 oscilloscope setups and 10 waveforms to from internal memory or a USB memory device limited by memory capacity of USB device You can also use it to recall the default factory settings to save waveform data as a comma delimited file CSV and to save the displayed waveform image ACQUIRE Press to display Acquire menu You can use the Acquire menu to set the acquisition Sampling Mode Sampling Peak Detect Average MEASURE Press to display a menu of measurement parameters CURSORS Display the Cursor Menu Vertical Position controls adjust cursor position while displaying the Cursor Menu and the cursors are activated Cursors remain displayed unless the Type option is set to Off after leaving the Cursor Menu but are not adjustable DISPLAY Press to open the Display menu You can use
61. hen you use this mode the oscilloscope does not display a waveform until after the first trigger Single When you want the oscilloscope to acquire a single waveform press the SINGLE button Set up Enter the Trigger setup menu 69 Page 2 2 Return the first page of Video Next Page Trigger menu Mode Auto M 25 8ps Operating Instructions Set up Type l Press the TRIG MENU button to display Trigger menu 2 Press the Type option button to select Video Set up Polarity 1 Press the Polarity option button to select or s Set up Synchronization 1 Press the Sync option button to select All Lines Line Num Odd Field and Even Field 70 If you select Line Num you can turn the Universal knob to set the appointed line number Set up Standard 1 Press the next Page Page2 2 option button 2 Press the Standard option button to select PAL SECAM or NTSC Slope Trigger Trigger on positive slope or negative slope according to setup time of the oscilloscope Table 19 Slope Trigger Function Menu 1 Option Setting Instruction Type Slope Trigger on positive slope of negative slope according to setup time of the oscilloscope Source CHI Select trigger source CH2 EXT EXT 5 When ce Select trigger condition ae He che cde 71
62. iggers always occur on negative going horizontal sync pulses If the video waveform has positive going horizontal sync pulses use the Inverted Polarity selection Trigger Holdoff You can use the Trigger Holdoff function to produce a stable display of complex waveforms Holdoff is time between when the oscilloscope detects one trigger and when it is ready to detect another The oscilloscope 82 will not trigger during the holdoff time For a pulse train you can adjust the holdoff time so the oscilloscope triggers only on the first pulse in the train Trigger position Trigger level Holdoff time Figure 39 Trigger Holdoff If you want to change holdoff time please follow the steps below 1 Press the TRIG MENU button to show the TRIG Menu 2 Press the Type option button to select trigger type 3 Press the Set Up option button to enter the Trigger setup menu 4 Press the Holdoff option button and turn the Universal knob to change the holdoff time until the waveform triggers steadily Note e Use trigger holdoff to help stabilize the display of a periodic waveform 83 Acquiring Signals System Shown below is the ACQUIRE button for entering the menu for Acquiring Signals Table 28 Acquiring Signals Function Menu Option Setting Introduction Acquisition Sampling Use for sampling and accurately display most of the waveform Peak Detect Detect
63. ire waveform LA The most positive peak voltage measured over Vmax the entire waveform DUM The most negative peak voltage measured over the entire waveform Voltage between Vhig and Vlow of a waveform Measures the highest voltage over the entire 109 Vtop waveform ale Measures the lowest voltage over the entire Vbase waveform g Xy The arithmetic mean over the first cycle in the Vavg waveform dy The arithmetic mean over the entire Mean waveform PPG The true Root Mean Square voltage over the Crms first cycle in the waveform AANT The true Root Mean Square voltage over the Vrms entire waveform EPO ROVShoot Defined as Vmax Vhig Vamp after the waveform rising do Defined as Vmin Vlow Vamp after the FOVShoot waveform falling Telex Defined as Vmin Vlow Vamp before RPREshoot the waveform rising ot Defined as Vmax Vhig Vamp before FPREshoot the waveform falling FREQ Measures the frequency of the waveform PRD Measures the period of the waveform 2 Rise Time Measures the time between 10 Rise Time and 90 of the first rising edge of the waveform gr cm Fall Time Measures the time between 90 Fall Time and 10 of the first falling edge of the waveform Aut The duration of a burst BWid Measured over the entire waveform E B Width Measures the time between the first Wid rising edge and the next falling edge at the
64. ity 1 Power on the oscilloscope Press DEFAULT SETUP to show the result of the self check The probe default attenuation is 1X 17 O OOQ OOOO O00 Figure 5 Scope Layout 2 Set the switch to 1X on the probe and connect the probe to channel 1 on the oscilloscope To do this align the slot in the probe connector with the key on the CH 1 BNC push to connect and twist to the right to lock the probe in place Connect the probe tip and reference lead to the PROBE COMP connectors PROBE COMP Figure 6 Probe Compensation 3 Press AUTO to show the kHz frequency and about 3V peak peak square wave in couple seconds 18 Figure 7 3Vpp Square Wave 4 Press CH1 two times to cancel the channel 1 Press CH2 to change screen into channel 2 reset the channel 2 as step 2 and step 3 Probe Safety A guard around the probe body provides a finger barrier for protection from electric shock Figure 8 Probe 19 Connect the probe to the oscilloscope and connect the ground terminal to ground before you take any measurements Note To avoid electric shock when using the probe keep fingers behind the guard on the probe body e To avoid electric shock while using the probe do not touch metallic portions of the probe head while it is connected to a voltage source Connect the probe to the oscilloscope and connect the ground terminal to ground before you take any measurements Probe
65. ke sure the signal passes through the trigger circuit It is useful for obtaining a steady wave form If you use trigger coupling you should press the TRIGGER button and then select Edge Pulse Video or Slope trigger Then select the coupling option in the Set Up menu Position The horizontal position control establishes the time between the trigger position and the screen center You can adjust the horizontal POSITION knob control to view waveform data before the trigger after the trigger or some of each When you change the horizontal position of a waveform you are changing the time between the trigger and the center of the display actually This appears to move the waveform to the right or left on the display Slope and Level The Slope and Level controls help to define the trigger The Slope option Edge trigger type only determines whether the oscilloscope finds the trigger point on the rising or the falling edge of a signal 81 The TRIGGER LEVEL knob controls where on the edge the trigger point occurs Rising edge Falling edge Aeon pejsn pe eq ued aro Jeb buy Figure 38 Rise and Fall Edge Note e Press the SINGLE button when you want the oscilloscope to acquire a single waveform e Trigger coupling affects only the signal passed to the trigger system It does not affect the bandwidth or coupling of the signal displayed on the screen e Normal Polarity Sync tr
66. l Mode cursor measure Type Voltage Use cursor to measure voltage Time parameters Use cursor to measure time parameters Source CHI Select input signal channel CH2 MATH FFT REFA REFB Cur A Select this option turn the a Universal knob to adjust cursor A Cur B Select this option turn the a Universal knob to adjust cursor B In this mode the screen displays two horizontal parallel cursors or vertical parallel cursors to measure voltage or time You can move the cursor by turning the Universal knob Before using cursors you should make sure that you have set the signal source as the channel for measuring e Voltage Cursor Voltage cursors appear as horizontal lines on the display and measure the vertical parameters e Time Cursor Time cursors appear as vertical lines on the display and measure the horizontal parameters e Cursor Moving Use the Universal knob to move cursor and cursor 2 They will be moved when the corresponding cursor options are selected and the cursor value will display on the bottom left and top left of the screen when you move the cursor To do manual cursor measurements follow these steps 100 Bow mL Press CURSOR button to enter the cursor function menu Press the Cursor Mode option button to select Manual Press the Type option button to select Voltage or Time Press the Source option button to select CH1 and CH2
67. l System Controls 32 Channel Function Menu Table 3 Channel Function Menu Option Setting Introduction Coupling DC DC passes both AC and DC components of the input signal AC AC blocks the DC component of the input signal and attenuates signals below 10 Hz GND GND disconnects the input signal Volts Div Coarse Selects the resolution of the Volts Div knob Fine Coarse defines a 1 2 5 sequence Fine changes the resolution to small steps between the coarse settings Probe IX Set to match the type of probe you are using to 5X ensure correct vertical readouts 10X 50X Reserved for future use 100X ISFE 500X 1000X Next Page Page 1 2 Press this button to enter second page menu 33 Option Setting Instruction Invert on Turn on invert function off Turn off invert function Filter Press this button to enter the Digital Filter menu Next Page Page 2 2 Press this button to return the first page menu Table 4 Channel Function Menu 2 Option Setting Introduction Filter On Turn on the digital filter Off Turn off the digital filter Type tf Setup as LPF Low Pass Filter t cf Setup as HPF High Pass Filter o f Setup as BPF Band Pass Filter bof Setup as BRF Band Reject Filter Upper_limit Turn the Universal knob to set upper limit Lower_limit Turn the Universal knob to set lower limit Return Return to digital filter main menu
68. ld adjust the cursor s horizontal position on the waveform by turning the Universal knob The oscilloscope displays the values on the top left of the screen To do track cursor measurement follow these steps 1 Press CURSOR button to enter the cursor measure function menu 2 Press the Cursor Mode option button to select Track 3 Press the Cursor A option button to select the input signal channel 102 4 Press the Cursor B option button to select the input signal channel 5 Select Cur A turn the Universal knob to move Cursor A horizontally 6 Select Cur B turn the Universal knob to move Cursor B horizontally 7 The measurement values are displayed on the left of the top corner A T The horizontal position of Cursor A Time cursor centered around the midpoint of screen A p V The vertical position of Cursor A Voltage cursor centered around channel ground level B T The horizontal position of Cursor B Time cursor centered around the midpoint of the screen B V The vertical position of Cursor B Voltage cursor centered around the channel ground level AT Horizontal space between Cursor A and Cursor B Time value between two cursors 1 AT The reciprocal of horizontal space between cursor A and cursor B AV Vertical space between Cursor A and Cursor B Voltage value between two cursors 103 Figure 50 Cursor Menu Au
69. mp K Precision Corp warrants to the original purchaser that its products and the component parts thereof will be free from defects in workmanship and materials for a period of one year for model 2530B and three years for model 2532B from date of purchase B amp K Precision Corp will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form of a sales receipt To obtain warranty coverage in the U S A this product must be registered by completing a warranty registration form on our website www bkprecision com within fifteen 15 days of purchase Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty is void if the serial number is altered defaced or removed B amp K Precision Corp shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential damages So the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 190 BK PRECISION 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkpreci
70. n option button to select tk i PL Flo fF v ce fof oore E n 3 Setup pulse width Turn the Universal knob to set up width Video Trigger Trigger on fields or lines of standard video signals Table 17 Functional Menu of Video Trigger 1 Option Setting Instruction Type Video When you select the video type put the couple set to the AC then you could trigger the NTSC PAL and SECAM video signal Source CHI Select the input source to be the CH2 trigger signal EXT Ext and Ext 5 use the signal EXT 5 applied to the EXT TRIG connector as the source Polarity Normal Normal triggers on the negative edge of the sync pulse Inverted Inverted triggers on the positive edge of the sync pulse Sync All lines Line Num Select appropriate video sync Odd field Even Field Next Page Page 1 2 Enter the second page of Video trigger menu CH1 Polarity Figure 34 Video Trigger Screen Table 18 Functional Menu of Video Trigger 2 Option Setting Instruction Type Video When you select the video type put the couple set to the AC then you could trigger the NTSC PAL and SECAM video signal Standard NTSC Select the video standard for sync Pal Secam and line number count Mode Auto Use this mode to let the acquisition free run in the absence of a valid trigger Normal Use this mode when you want to see only valid triggered waveforms w
71. n knob adjust window s position to select the window that you need and expanded window waveform display will show on the below half of the screen at the same time Trigger System The trigger determines when the oscilloscope starts to acquire data and display a waveform When a trigger is set up properly the oscilloscope converts unstable displays or blank screens into meaningful waveforms Here are three buttons and one knob in the trigger area See below 59 TRIG MENU Button Press the TRIG MENU Button to display the Trigger Menu LEVEL Knob The LEVEL knob is to set the corresponding signal voltage of trigger point in order to sample Press the LEVEL knob to set trigger level to zero SET TO 50 Button Use the SET TO 50 button to stabilize a waveform quickly The oscilloscope can set the Trigger Level to be about halfway between the minimum and maximum voltage levels automatically This is useful when you connect a signal to the EXT TRIG BNC and set the trigger source to Ext or Ext 5 FORCE Button Use the FORCE button to complete the current waveform acquisition whether the oscilloscope detects a trigger or not This is useful for SINGLE acquisitions and Normal trigger mode Pre trigger Delayed trigger The data before and after trigger at the trigger position is typically set at the horizontal center of the screen in the full screen display the 6div data of pre trigger and delayed trigger c
72. ned on 3 After the inspections above restart the oscilloscope 4 Ifthe oscilloscope is still not useable after checking please connect B amp K Precision If there is no signal wave in the screen after probing DUT for a signal please do as follows 1 Check whether the probe is connecting with the signal cable or not 2 Check whether the signal cable is connected with the BNC connector or not 174 4 5 BE Check the probe whether it s connected with the device under test DUT or not Check the tested DUT to see if it produces the signal or not Try to probe the DUT for signal again The value of the tested voltage is 10 times higher lower than the real one please do the following Check the attenuation quotient whether it matches the probe attenuation proportion or not Display the wave but not steady please do as following steps 1 Check the signal source on the trigger interface whether or not it matches the signal channel Check the trigger mode normal signal should use the edge trigger mode The video signal should use the Video Trigger mode The signal would display steadily only when using matching trigger mode Attempt to change the coupling into HF Reject or LF Reject display so that the High low frequency noise will be filtered Press RUN STOP button but no display 175 Check the trigger mode on the trigger interface whether or not it s in
73. on button and select Video Press the Sync option button and select Line Num and turn the universal knob to set a specific line number Press the Standard option button and select NTSC Turn the Time Div knob to see a complete video line across the screen Turn the Volts Div knob to ensure that the entire video signal is visible on the screen Application of X Y Function Viewing Impedance Changes in a Network Connect the oscilloscope to monitor the input and output of the circuit To view the input and output of the circuit in an XY display follow these steps 1 Press the CH 1 MENU button and set the Probe option attenuation to 10X Press the CH 2 MENU button and set the Probe option attenuation to 10X Set the switch of the probe to 10X 168 4 Connectthe channel 1 probe to the input of the network and connect the channel 2 probe to the output 5 Press the AUTO button 6 Turn the Volts div knobs to display approximately the same amplitude signals on each channel 7 Press the DISPLAY button 8 Press the Format option button and select XY 9 The oscilloscope displays a Lissajous pattern representing the input and output characteristics of the circuit 10 Turn the VOLTS DIV and VERTICAL POSITION knobs to optimize the display 11 Press the Persist option button and select Infinite 12 Press the Intensity or Brightness option butt
74. ons and turn the Universal knob to adjust the contrast of the screen Apply the Ellipse method to observe the phase difference between the two channels 169 EC E uU Sin 0 A B or C D where 0 phase shift in degrees between the two signals from the formula above you could get 0 carcsine A B or arcsine C D If the main axis of the ellipse is at II and IV quadrant 0 must be in the range of 0 2 2 or 32 2 27 If the main axis is at I and III quadrant 0 must be in the range of 1 2 x or n 31 2 Analyzing a Differential Communication Signal You are having intermittent problems with a serial data communication link and you suspect poor signal quality Set up the oscilloscope to show you a snapshot of the serial data stream so you can verify the signal levels and transition times Because this is a differential signal you use the math function of the oscilloscope to view a better representation of the waveform 170 To activate the differential signals connected to channel 1 and channel 2 follow these steps 1 Press the CH 1 button and set the Probe option attenuation to 10X 2 Press the CH 2 button and set the Probe option attenuation to 10X 3 Setthe switches to 10X on the probes 4 Press the AUTO button 5 Press the MATH button to see the Math Menu 6 Press the Operation option button and select 7 Press the CH1 CH option button to dis
75. option button to select Save Picture 6 Press the Save option button then go into the Save Recall interface 7 Press the Save button then you ll go into the Save Recall interface 8 Create the picture name then press the Confirm button about five seconds there is a prompting message showing Save data success displaying on the screen now picture data have been saved to USB flash drive Save Recall CSV Table 47 CSV Storage Function Menu Option Setting Introduction Type CSV Menu for the Storage CSV file to USB flash drive Data Depth Displayed Set to store displayed waveform data to CSV file Maximum Set to store maximum waveform data to CSV file Para Save On Set whether store parameters to CSV Off file or not Save Go to the Save Recall interface 130 SAVEREC Type Data Depth e Para S M 2 56ps iex M Pos 00p Figure 66 Save to CSV Screen To save CSV file to USB flash drive do the following 1 Press the SAVE RECALL button to enter SAVE RECALL menu Press the Type option button to select CSV Insert USB flash drive to USB host port of the oscilloscope and wait that the oscilloscope has initialized USB flash drive about five seconds Press the Data Depth option button to select Displayed or Maximum Press the Para Save option button to select On or Off Press the Save option but
76. ould not match the auto set condition Using in the auto set Adjust at limit You could adjust the pulse width by the universal knob till the pulse width has reached min 20 0 ns or max 10 0 s Location Empty If you have no stored waveforms or setups on some location the screen will display this information when you press the Recall button on this location USB Flash Drive Plug In This information will appear when you invert the USB Flash Drive to the USB Host port USB Flash Drive Pull Out This information will appear when you pull out the USB Flash Drive Store Data Success Saving setup data waveform data or picture data to the internal memory of the oscilloscope or USB flash was successful Ready Data Success Read setup data or waveform data from the internal of the oscilloscope or USB flash successful Please set Back USB to printer USB Flash Drive isn t connected When the Save To option is set to File or the Print Key option is set to Save Picture in 173 Save Recall menu Press the Save option button or the time div knob before inverting the USB Flash Drive to the USB Host port or this will appear on the screen Record Wave Success This message will appear when you finish recording waveforms Troubleshooting After the oscilloscope is powered on the screen remains dark Please do the following 1 Check the power cable s connection 2 Ensure the power switch is tur
77. our selected time measure parameter Return Return to the first page of auto measurement menu Table 38 Auto Measure Function 4 Delay Measure Menu Option Setting Instruction Source CHI CH2 MATH Select any two input signal REFA REFB source for Delay measure Type Phase FRR FRF FFR Press the Type button or FFF LRR LRF LFR LFF turn the Universal knob to select Delay measure parameter Display the corresponding icon and measure value of your selected Delay measure parameter 108 Return Return to the first page of auto measurement menu Table 39 All Measurement Function Menu Option Setting Instruction Source CHI Select input signal channel CH2 Voltage On Turn on the all measurement function to Off measure voltage parameters Turn of the all measurement function to measure voltage parameters Time On Turn on the all measurement function to Off measure Time parameters Turn of the all measurement function to measure Time parameters Delay On Turn on the all measurement function to Off measure Delay parameters Turn of the all measurement function to measure Delay parameters Return Return to the All Measure main menu Table 40 Introduction of the Measure Type Measure Type Introduction Measures the absolute difference between the Vpp maximum and minimum peaks of the ent
78. page of FFT menu To use the Math FFT mode you need to perform the following tasks 1 Set up the source time domain waveform 2 Press the AUTO button to display a YT waveform 3 Turn the vertical POSITION knob to move the YT waveform to the center vertically zero divisions 46 Turn the horizontal POSITION knob to position the part of the YT waveform that you want to analyze in the center eight divisions of the screen The oscilloscope calculates the FFT spectrum using the center 1024 points of the time domain waveform Turn the Volts div knob to ensure that the entire waveform remains on the screen Turn the time div knob to provide the resolution you want in the FFT spectrum If possible set the oscilloscope to display many signal cycles To display FFT correctly follow these steps 1 Push the MATH button 2 Set the Operation option to FFT 3 Press the Source button to select CH1 or CH2 according to input signal channel According to Nyquist law turn the time div knob to adjust the sampling rate this parameter is displayed behind the time base parameter making sure it is at least double the input signal frequency 47 Displaying the FFT Spectrum Press the MATH button to display the Math Menu Use the options to select the Source channel Window algorithm and FFT Zoom factor You can display only one FFT spectrum at a time You can sel
79. play a new waveform that is the difference between the displayed waveforms 8 Youcan adjust the vertical scale and position of the Math waveform To do so follow these steps a Remove the channel 1 and channel 2 waveforms from the display b Turn the CH 1 and CH 2 VOLTS DIV and VERTICAL POSITION knobs to adjust the vertical scale and position NOTE First be sure to compensate both probes Differences in probe compensation appear as errors in the differential signal 171 Chapter 4 Message Prompts and Troubleshooting Message Prompts e Trig level at limit Prompts you that the trigger Level is at a limit when you turn the Trig level knob e Horizon position at limit Prompts you that the horizontal position is at a limit when you turn the horizon position knob e Volts Div at limit Prompts you that the vertical voltage have already touched the Min 2MV div or the Max 5V div e Volts position at limit The system would display this information when the vertical position is at a limit e Time Div at limit Prompts that the Volts Div is at full range while turning the vertical scale knob e Holdoff time at limit Turn the Universal knob when holdoff time has been to max or min value now the system will clew this information e Function isn t useable Under several special modes some functions could not be running 172 No signal The system would display this information when the signal c
80. quired waveform Time Base The oscilloscope digitizes waveforms by acquiring the value of an input signal at discrete points The time base allows you to control how often the values are digitized To adjust the time base to a horizontal scale that suits your purpose use the time div knob Time Domain Aliasing Aliasing occurs when the oscilloscope does not sample the signal fast enough to construct an accurate waveform record When this happens the oscilloscope displays a 88 waveform with a frequency lower than the actual input waveform or triggers and displays an unstable waveform Actual high frequency waveform Apparent low frequency waveform due to aliasing Sampled points Figure 43 Time Domain Aliasing Operating Instructions Set up Sampling Format You can press the Acquisition option button or turn the Universal knob to select Sampling mode Peak Detect mode or Average mode Set up Averages When you select Average format you can press the Averages option button to select 4 16 32 64 128 or 256 Set up function interpolation You can also turn Sinx x interpolation on or off Press the corresponding option button to turn Sinx x on or off 89 Acquisition 4 Sampling Sinx Mode M SaRate G 108 771MHz 111107 CH1 288mU M 2 58ns CH1 Z 36 8mU M Pos a aaps Figure 44 On for Sine Interpolation Acquisi
81. ran ais French HAS Japanese stro Korean Deutsch German Espa ol Spanish Pyccky Russian Italiana Italian Portugu s Portuguese ton Arabic 133 Next Page Page 1 4 Press this button to enter second page Figure 67 Utility M UTILITY System Status Sound m 3 Counter Language English h 3 Table 49 Utility System Function Menu 2 Option Setting Introduction Do self cal Auto self emendation Do Self Test Screen Test Run the screen detect program Keyboard Test Run the keyboard detect program LED Test Run the LED test detect program Print Setup Not available Back USB Printer Not available Computer The oscilloscope connects to the computer using USB cable When you execute EasyScope software please select Computer Now the computer icon displays on the screen 134 Next Page Page 2 4 Press this button to enter third page UTLITY Do Self Cal Self Test Back USB Next Page M 2 58ys Figure 68 Utility Menu Screen 2 Table 50 Utility System Function Menu 3 Setting Introduction Update You can update firmware of the firmware oscilloscope use USB flash Driver two minutes Pass Fail Pres this button to enter the Pass Fail menu Record Pd Press this button to enter the waveform record menu IO Setting md Press this button to enter the IO Setting menu Page 3 4 Press
82. ress the Save option button then go into the Save Recall interface 6 Choose the file you want then press the Load option button about five seconds there is a prompting message showing Recall data success displaying on the screen now waveform data have been recalled from USB flash drive Save Picture Waveform interface image can be saved to USB flash drive but they cannot be recalled Images can be opened on a computer Table 46 Picture Storage Function Menu Option Setting Introduction Type Pictures Menu for the Storage Recall waveform interface image Print Key Print Picture Not available 128 Save Picture When the USB flash drive insert to the USB Host interface now the USB flash drive open status icon displays on the top of the screen select Save picture and press the Save knob to go into the Save Recall interface Save p Go to the Save Recall interface SAVEREC Type Print Key Save Picture Figure 65 Save Picture Screen To save waveform image to USB flash drive do the following 1 Select the screen image that you want 2 Press the SAVE RECALL button to enter SAVE RECALL menu 3 Press the Type option button to select Pictures 129 4 Insert USB flash drive to USB host port of the oscilloscope and wait until the oscilloscope has initialized USB flash drive about five seconds 5 Press the Print Key
83. rm is subtracted from the channel 1 waveform CH2 CH1 The channel 1 waveform is subtracted from the channel 2 waveform X CH1 CH2 Source multiply source 2 CH1 CH2 The channel 2 waveform is divided by the channel 1 waveform CH2 CH1 The channel 1 waveform is divided by the channel 2 waveform FFT Fast Fourier Transform MATH Jperation MATH Waveform ext Pap M 588 ys Mi Pos 0 00us Figure 24 CH1 added with CH2 FFT Spectrum Analyzer The FFT process mathematically converts a time domain signal into its frequency components You can use the Math FFT mode to view the following types of signals e Analyze the harmonic wave in a power cable e Test the harmonic content and distortion in a system e Show the Noise in a DC power supply e Test the filter and pulse response in a system e Analyze vibration 45 Table 8 FFT Function Menu 1 CH1 CH2 Select this channel as the FFT source Window Hanning Select FFT window types Hamming Rectangular Blackman FFT ZOOM 1X Changes the horizontal magnification of the 2X FFT display 5X 10X Next Page Page 1 2 Enter the second page of FFT menu Table 9 FFT Function Menu 2 FFT Option Setting Introduction Scale Vrms Set Vrms to be the Vertical Scale unit dBVrms Set dB Vrms to be the vertical Scale unit Displa Split Display FFT waveform on half screen p Full screen Display FFT waveform on full screen Next Page Page 2 2 Return the first
84. ry Default Screen Save Recall Waveform Save Waveforms to Device Table 44 Save Waveform to Device Function Menu Type waveforms Menu for the Storage Recall waveforms in the oscilloscope Save to Device Save waveforms to the oscilloscope s internal memorizer waveform No 1 to No 10 Press the waveform option button or turn the Universal knob to select storage position we p Accompte son Recall Recall the storage in the waveform operation 124 SaveTo Waveform Not Figure 63 Save Waveform Menu Screen To save waveforms in internal memory do the following 1 2 Input a sine signal to channel 1 and press the Auto button Press the SAVE RECALL button to enter SAVE RECALL display menu Press the Type option button to select waveforms Press the Save to option button to select Device Press the waveform option button or turn the Universal knob to select No 1 Turn the Volts div knob or Time div knob to adjust the waveform that you want Press the Save option button 125 To recall waveforms do the following l Press the SAVE RECALL button to enter SAVE RECALL display menu 2 Press the Type option button to select waveforms 3 Press the Save to option button to select Device 4 Press the waveform option button or turn the Universal knob to select No 1 5 Pre
85. s scale The dB Vrms scale displays component magnitudes using a log scale The Nyquist frequency is the highest frequency that any real time digitizing oscilloscope can acquire without aliasing This frequency is half that of the sample rate provided it is within the analog bandwidth of the oscilloscope Frequencies above the Nyquist frequency will be under sampled which causes aliasing 53 Using REF The reference control saves waveforms to a nonvolatile waveform memory The reference function becomes available after a waveform has been saved Table 11 REF Function Menu Option Setting Introduction Source CH1 CH2 Choose the waveform display to store CH1 off CH2 off REFA Choose the reference location to store or REFB recall a waveform Save Stores source waveform to the chosen reference location REFA REFB on Recall the reference waveform on the off screen Turn off the reference waveform Press the Ref button to display the Reference waveform menu Source Figure 28 Reference Waveform Menu 54 Operation step 1 Press the REF menu button to display the Reference waveform menu Press the Source option button to select input signal channel Turn the vertical POSITION knob and Volt div knob to adjust the vertical position and scale Press the third option button to select REFA or REFB as storage position Press the Save option button
86. sion com 2011 B amp K Precision Corp Printed in China v101211
87. ss the Recall option button Save Waveforms to USB Flash Drive Table 45 Save Waveforms to USB Flash Drive Function Menu Introduction Type Waveforms Menu for the Storage Recall waveforms Save waveforms to USB flash drive 126 SAVE REC Type Waveforms SaveTo Figure 64 Save Waveforms Screen Save waveforms to USB flash drive follow next steps 1 Input a sine signal to channel 1 press the AUTO button 2 Pres the SAVE RECALL button to enter the SAVE RECALL display menu 3 Press the Type option button to select Waveforms 4 Insert USB flash drive to USB host port of the oscilloscope and wait until the oscilloscope has initialized USB flash drive about five seconds Press the Save to option button to select File 6 Press the Save option button then you ll go into the Save Recall interface 7 Create a file then press the Confirm button about five seconds there is a prompting message showing Save data success displaying on the screen now waveform data have been saved to USB flash drive 127 Recall waveforms form USB flash drive follow next steps 1 Press the SAVE RECALL button 2 Press the Type button to select Waveforms 3 Insert USB flash drive to USB host port of the oscilloscope and wait until the oscilloscope has initialized USB flash drive about ten seconds 4 Press the Save to option button to select File P
88. ted Set to invert color display mode Grid Display grids and axes on the screen Turn off the grids Turn off the grids and axes Menu 2sec Set menu display time on screen 93 Display 5sec 10sec 20sec Infinite Next Page 2 3 Press this button to enter the second Page page of Display menu DISPLAY Format Figure 47 Display Menu 2 Table 31 Display System Function Menu 3 Option Setting Introduction Skin Classical Set up screen style Modern Tradition Succinct Next Page 3 3 Press this button to return the Page first page 94 Operate Introduction Setup waveform display type Press the DISPLAY button to enter the Display menu 2 Press the Type option button to select Vectors or Dots Set up Persist Press the Persist option button to select Off 1 Sec 2 Sec 5 Sec or Infinite You can use this option to observe some special waveforms DEPLAY Type Figure 48 Persist Screen 95 Setup Intensity Press the Intensity option button and turn the Universal knob to adjust waveforms intensity Setup Brightness Press the Brightness option button and turn the Universal knob to adjust grid brightness Setup Display Format 1 Press the Next Page option button to enter second display menu 2 Press the Format option button to select YT or
89. ted in the main screen area press the Load option button and the setup is recalled from the USB flash drive Note The Load button option is disabled grayed out when Pictures or csv file types are selected as Type Both Directory and Files have Rename and Return option buttons on Page2 2 Use these buttons to give an existing folder or file a new name or to exit the SAVE ALL screen respectively 116 Next Page Use the adjust knob to choose the file and folder Figure 58 Save All Rename Screen Creating Folders and Files Create new folders and files by pressing the New Folder or New File option button The following screen is shown Use the adjust knob to select characters Figure 59 Input Characters Screen 117 The New File menu choices and behavior is the same as the New Folder menu It just has a different heading The InputChar option button adds the selected character to the cursor position in Name field Move the cursor position in the name field using the and lt option buttons Turn the Universal knob to move through character selections When the desired character is highlighted press the Universal knob or press the InputChar option button to add it to the specific position in the Name field Additional selections for BackSpace DeleteCharacter and CleanName are available for convenience and are also accessed using the Universal knob in the same manner
90. ter the first page of Pass Fail function menu press the Operate option button to select gt to run the pass fail test Total 1 Figure 79 Masked Pass Fail Screen 148 Waveform Recorder Press the Record option to record the input waveform from CH1 and CH2 with a maximum record length of 2500 frames The time between frames is adjustable You can record Pass Fail test output especially useful when capturing abnormal signals over a long period of time without having to watch the signal Table 59 Waveform Recorder Function Menu Option Setting Instruction Mode Record Set Record function menu Play Back Set Play Back function menu Storage Set Storage function menu Off Turn off waveform recorder menu Source CHI Select record source channel CH2 P F OUT Interval 49 Set time interval between record frames End 49 Set max number of record Frame frames Operate e Record Press to start recording BR Stop Press to stop recording 149 record 24 Source 4 CH1 Interva Figure 80 Record Menu Screen To record waveforms follow these steps 1 Press the UTILITY button to enter Utility menu 2 Press the Next Page option button to enter the third page of Utility menu 3 Press the Record button to enter Waveform Record Menu 4 Press the Mode option button to select Record Press the Source option button to select the input signal c
91. the Display menu to set grid and waveform display styles and persistence 25 UTILITY Press to open the Utility menu You can use the Utility menu to configure oscilloscope features such as sound language counter etc You can also view system status and update software DEFAULT SETUP Press to reset the oscilloscope s settings to the default factory configuration HELP Enter the online help system AUTO Automatically sets the oscilloscope controls to produce a usable display of the input signals RUN STOP Continuously acquires waveforms or stops the acquisition Note If waveform acquisition is stopped using the RUN STOP or SINGLE button the TIME DIV control expands or compresses the waveform SINGLE Acquire a single waveform and then stops Connectors Figure 11 Connectors Channel Connector CH1 CH2 Input connectors for waveforms display 26 EXT TRIG Input connector for an external trigger source Use the Trigger Menu to select the Ext or Ext 5 trigger source Probe Compensation 1 kHz voltage probe compensation output and ground Use to electrically match the probe to the oscilloscope input circuit Auto Setup The 2530B 2532B Digital Storage Oscilloscopes have an Auto Setup function that identifies the waveform types and automatically adjusts controls to produce a usable display of the input signal Press the AUTO front panel button and then press the menu option button adjacent to the d
92. tion 4 Sampling Real Time SaRate G 163 771MHz 11010 CHi 288mU M 2 58ns CHi 7 36 amU M Pos a aaps Figure 45 Off for Linear Interpolation 90 Set up Sampling mode Press the Mode option button to select Real Time or Equ Time Set up Sampling rate Adjust the sampling rate by pressing the Sa Rate option button and turning the Time div front panel knob The sampling rate is shown at the corresponding timebase scale Display System The display function could be expressed by the DISPLAY button 91 Table 29 Display System Function Menu 1 Option Setting Introduction Type Vectors Vectors Fills the space Dots between adjacent sample points in the display Dots There is no link between adjacent sample points Persist Off Sets the length of time sec each displayed sample 2 sec point remains displayed 5 sec Infinite Intensity 49 Set waveforms lt Intensity gt intensity Brightness Set grid brightness lt Brightness gt Next Page Page 1 3 Press this button to enter second page 92 M S a8ys Figure 46 Display Menu Screen Table 30 Display System Function Menu 2 Option Setting Introduction Format YT YT format displays the vertical voltage in relation to time horizontal scale XY XY format displays a dot each time a sample is acquired on channel 1 and channel 2 Screen Normal Set to normal mode Inver
93. tion for CH2 signal Set trigger type of the vertical channel signal to Edge Slope ere Triggering on rising edge Triggering on falling edge Triggering on rising edge and falling edge Set Up Enter the Trigger setup menu See table 2 14 Table 22 Set Trigger Mode to Pulse Trigger Function Menu 1 Option Setting Instruction Type Alternative The trigger signal comes from two vertical channels when you use alternative trigger In this mode you can observe two irrelative signals at the same time Source CHI CH2 Set trigger type information for CH1 signal Set trigger type information for CH2 signal Mode Pulse Set trigger type of the vertical channel signal to Pulse trigger 76 le Select how to compare the trigger When PER pulse relative to the value selected in ae the Set Pulse Width option Next Page Page 1 2 Enter the second page of Alternative trigger menu Table 23 Set Trigger Mode to Pulse Trigger Function Menu 2 Option Setting Explain Set Width 20 0 ns 10 0 s Selecting this option can turn the universal to set up the pulse width Set up Enter the Trigger Setup Menu see table 2 14 Next Page Page 2 2 Press this button to return to the first page Table 24 Set Trigger Mode to Video Trigger Function Menu 1 Option Setting Instruction Typ
94. to option button to select file 4 Press the Save option button to go into the Save Recall interface 5 Press the New folder button to create a new folder 6 Press the Del folder option button to delete a folder 7 Press the Modify option button to modify a folder 8 Press the New file option button to create a new file 9 Press the Del file option button to delete a file 10 Press the next page option button and press the Rename option button to modify the name of the file or the folder 11 Turn the Universal knob to select the folder and press the Confirm option button and you will save the set to the USB drive To Recall setup data from USB flash drive do the following l Press the SAVE RECALL button 2 Press the Type button to select Setups 3 Insert USB flash drive to USB host port of the oscilloscope and wait until the oscilloscope has initialized USB flash drive about 122 five seconds 4 Press the Save to option button to select File 5 Press the Save option button then you ll go into the Save Recall interface 6 Choose the file you want then press the Load option button about five seconds there is a prompting message that shows Read data success now setup data have been recalled from USB flash drive e Recall Factory You can use this option to recall factory settings Table 43 Factory Function Menu 123 Figure 62 Set Facto
95. to 50 Note The AUTO button can be disabled Please see Appendix C Disabling Auto Function for details 29 Default Setup The oscilloscope is set up for normal operation when it is shipped from the factory This is the default setup To recall this setup press the DEFAULT SETUP button For the default options buttons and controls when you press the DEFAULT SETUP button refer to Appendix A Default Setup The DEFAULT SETUP button does not reset the following settings e Language option e Saved reference waveform files e Saved setup files e Display contrast e Calibration data 30 Universal Knob Figure 13 Universal Knob You can use the Universal knob with many functions such as adjusting the hold off time moving cursors setting the pulse width setting the video line adjusting the upper and lower frequency limit adjust X and Y masks when using the pass fail function etc You can also turn the Universal knob to adjust the storage position of setups waveforms pictures when saving recalling and to select menu options With some functions the light indicator above the knob will turn on to indicate that the knob can be used to make changes or adjustments for that function The knob can also be pushed to make a selection after changes adjustments have been made 3l Vertical System The vertical control could be used for displaying waveform rectify scale and position Figure 14 Vertica
96. to Mode Table 34 Auto Mode Function Menu Option Setting Instruction Cursor Auto Set to auto cursor Mode measure mode This mode will take effect with automatic measurements The instruments will display cursors while measuring parameters automatically These cursors demonstrate the physical meanings of these measurements To do auto cursor measurements follow these steps 1 Press the CURSOR button to enter Cursor measure menu 2 Press the Cursor Mode option button to select Auto 104 Press the MEASURE button to enter Auto cursor measure mode menu to select the parameter that you want to measure Figure 51 Auto Mode Auto Measurement MEASURE button as shown below enters the Automatic Measure Function Menu Waveform ACQUIRE 0 cl DISPLAY Measure 105 When you take automatic measurements the oscilloscope does all the calculation for you The measurements use all the recorded points in the memory which are more accurate than measurements made using the graticule lines or cursor measurements because these measurements are confined to be made by only using points on the display and not all the data points recorded by the oscilloscope Press the MEASURE button for Automatic Test There are three auto measurement types Voltage Measure Time Measure and Delay Measure There are a total of 32 measurement parameters Table 35 Auto Meas
97. to enter the Auto measurement menu 111 Press the top first option button to enter the second measurement menu Select measure type If you press the Voltage option button Voltage measurement menu will display on the screen Press the Source option button to select CH1 CH2 according to input signal channel Press the Type option button to select the parameter type that you want to measure The corresponding icon and value will display below the measure parameter MEASURE Source CH1 Type 4 Von Figure 53 Measure Voltage Parameters Press the Return option button to return to the home page of the Auto Measurement menu The selected parameter and the corresponding value will display on the top position of the home page 112 You can display the other parameters and its value on the corresponding position in the same way The screen can display up to five parameters at one time If you want to measure time parameters using all measure function please follow these steps l Press the MEASURE button to enter the Auto Measure menu 2 Press the top option button to enter the second page of Auto Measure menu Press All Mea option button to enter the All Measure menu 4 Press Source option button to select input signal channel 5 Press the Time option button to select On Now all of time parameters value will display on the screen
98. ton then you ll go into the Save Recall interface 131 7 Create a file name then press the Confirm button About five seconds there is a prompting message showing Save data success displaying on the screen now CSV file has been saved to USB flash drive Note The maximum number of data points of a waveform that can be saved as a CSV file into USB drive is 32768 pts depending on the timebase setting when data depth is set to maximum The actual number depends on the time base setting and whether data depth is set to display or maximum See below table for maximum data points available in each timebase when data depth is set to maximum Number of points saved to CSV file data depth set to maximum Time base Single channel Dual channel operation operation 50 s 100 ns 16k 16k 50 ns 25 ns 10 ns 32k 16k Model 2532B only Note 32 k refers to 32768 points 16 k refers to 16384 points 132 Utility System UTILITY system button is located as shown below SAVE RECALL os Table 48 Utility System Function Menu 1 Option Setting Introduction System Displays summaries of the Status oscilloscope settings Sound pe Open the key press voice N ox Close the key press voice Counter On Turn on Frequency Counter Off Turn off Frequency Counter Language fep Hc Simplified Chinese EL Traditional Chinese English English F
99. ure Function Menu 1 Option Instruction Voltage Press this button to enter the Voltage measure menu Time Press this button to enter the Time measure menu Delay Press this button to enter the Delay measure menu All Mea Press this button to enter the All Measurement menu Return Press this option button to return the home page of the auto measure menu 106 Figure 52 Auto Measure Menu 1 MEASURE Table 36 Auto Measure Function 2 Voltage Measure Menu Option Setting Instruction Source CH1 CH2 Select input signal source for Voltage measure Type Vpp Vmax Vmin Vamp Press the Type button Vtop Vbase Vavg Mean or turn the Universal Vrms Cycle Vrms FOVShoot knob to select Voltage FPREShoot ROVShoot measure parameter RPREShoot EAR TW Dnm Display the corresponding icon and EPSE yuh measure value of your selected Voltage measure Return to the first page of Return auto measurement menu 107 Table 37 Auto Measure Function 3 Time Measure Menu Option Source Setting CHI CH2 MATH REFA REFB Instruction Select input signal source for Time measure Type Freq Period Width Width Rise Time Fall Time BWidth Duty Duty Press the Type button or turn the Universal knob to select Time measure parameter SENE ae Display the corresponding icon and measure value of y
100. utton to enter the Record menu and then Press the Start button to start record waveform 156 gt 6 After finished record waveform then Press the Replay button to view the recorded waveform Online Help Function The oscilloscope has an online help function that supplies multi language help information and you can recall them to help you operate the oscilloscope when you need Press the HELP button to enter the help status then press every button to recall the corresponding help information Note If you want to see help information of SINGLE button and RUN STOP button you need to see them when you first enter the help status because when you press the SINGLE button you can enter next page of help information and Press the RUN STOP button you can return to the first page of help information when other button s help information exceed one page All submenus of every main menu have their help information Note If you want to see help information of next page submenus first you need to press the HELP button to exit the help status and switch to next page menu then press the HELP knob to enter the help status again and press the submenu option buttons to see its help information 157 Mode Type Figure 86 Help Menu Screen 158 Chapter 3 Application Examples This section presents a series of application examples These simple examples highlight the features of the oscilloscope and
101. veform display Press the CURSOR button to enter Cursor menu Press the Cursor Mode button to select Manual Press the Type option button to select Voltage Press the Source option button to select FFT Press the CurA option button turn the Universal knob to move Cursor A to the highest point of the FFT waveform Press the CurB option button turn the Universal knob to move Cursor B to the lowest point of the FFT waveform The amplitude AT displays on the top of the left screen 51 Type Figure 26 Measure FFT Screen Measure FFT Frequency 1 Press the CURSOR button 2 Press the Cursor Mode button to select Manual 3 Press the Type option button to select Time 4 Press the Source option button to select FFT 5 Press the CurA option button turn the Universal button to move Cursor A to the highest position of the FFT waveform 6 The value of CurA displaying on the top of the left screen is FFT highest Frequency This frequency should be the same as input signal frequency 52 Mode Type Source 4 MATH Figure 27 Measure FFT Frequency Screen NOTE The FFT of a waveform that has a DC component or offset can cause incorrect FFT waveform magnitude values To minimize the DC component choose AC Coupling on the source waveform To display FFT waveforms with a large dynamic range use the dBVrm
102. when you use the 100 1 probe e Press CHI Probe 100X 39 Next Page PEE CETTE CHi 500V M 2 50ps CHi 7 a aamu M Pos a aays Figure 20 Setting Probe Attenuation 4 Inverting waveforms Take CH1 for example e Press CH1 Next Page pagel 2 Invert On RS GEM Page 22 CHi 5aaV M 2 50ps CHi a aamu M Pos a aays Figure 21 Invert Waveform Screen 40 5 Using the Digital Filter Press CH1 Next Page pagel 2 Filter display the digital filter menu Select Filter Type then select Upper Limit or Lower Limit and turn the Universal knob to adjust them e Press CH1 Next Page pagel 2 Filter Off Turn off the Digital Filter function Type oer Upp_Limit 1 25MHz Figure 22 Digital Filter Menu e Press CHI Next Page pagel 2 Filter On Turn on the Digital Filter function 41 Type Ui BORN t 1 25MHz Using Vertical Position Knob and Volt div Knob e Vertical POSITION knob 1 Use the Vertical POSITION knobs to move the channel waveforms up or down on the screen This button s resolution varies based on the vertical scale 2 When you adjust the vertical position of channel waveforms the vertical position information will display on the bottom left of the screen For example Volts Pos 24 6mV 3 Press the vertical POSITION knob to set the vertical position to zero 42
103. xy Setup Grid Press the Grid option button to select E EH or C to set the screen whether to display grid or not Setup Menu Display Press the Menu Display option button to select 2 sec 5 sec 10 sec 20 sec or Infinite to set menu display time on screen 96 Set Skin Press the skin option button or turn the Universal knob to select Classical Modern Traditional or Succinct X Y Format Use the XY format to analyze phase differences such as those represented by Lissajous patterns The format plots the voltage on channel against the voltage on channel 2 where channel 1 is the horizontal axis and channel 2 is the vertical axis The oscilloscope uses the untriggered Sample acquisition mode and displays data as dots Note The oscilloscope can capture a waveform in normal YT mode at any sampling rate You can view the same waveform in XY mode To do so stop the acquisition and change the display format to XY Operation steps Channel 1 Volt div and vertical POSITION set up the horizontal scale and position Channel2 Volt div and vertical POSITION set up 97 the horizontal scale and position Turn the time div knob to adjust the sampling rate The following functions are forbidden at XY display form e Benchmark waveform and wave mathematics Cursor e Auto resets display format to YT Trigger

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