BK2534 B&K Precision, BK2534 Datasheet

OSCOPE 60MHZ DIGITAL STORAGE

BK2534

Manufacturer Part Number
BK2534
Description
OSCOPE 60MHZ DIGITAL STORAGE
Manufacturer
B&K Precision
Type
Bench, Digitalr
Datasheets

Specifications of BK2534

Includes
Probes, Software, USB Cable
Bandwidth
60MHz
Channels
Dual
Display Type
LCD - Color
Features
Software Controllable, USB Port, Waveform Capture
Probe Type
PR-37A x1/x10/Ref Probes (2)
Sampling Rate (per Second)
400MSa/s
Input Impedance
1M - 19pF
Rise Time (typ)
5.83nS
Voltage - Input, Max
400Vpeak
Voltage - Supply
100 ~ 240VAC
Lead Free Status / RoHS Status
Not applicable / Not applicable
User Manual
Digital Storage Oscilloscopes
Models 2534, 2540 & 2542
Version 1.03
General Safety Summary 
General Safety Summary
Review the following safety precautions to avoid injury and prevent
damage to this product or any products connected to it. To avoid potential
hazards, use this product only as specified.
Only qualified personnel should perform service procedures.
To Avoid Fire or Personal Injury
Use Proper Power Cord. Use only the power cord specified for this
product and certified for the country of use.
Connect and Disconnect Properly. Do not connect or disconnect probes
or test leads while they are connected to a voltage source.
Ground the Product. This product is grounded through the grounding
conductor of the power cord. To avoid electric shock, the grounding
conductor must be connected to earth ground. Before making connections
to the input or output terminals of the product, ensure that the product is
properly grounded.
Connect the Probe Properly. The probe ground lead is at ground
potential. Do not connect the ground lead to an elevated voltage.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe
all ratings and marking on the product. Consult the product manual for
further ratings information before making connections to the product.
Do Not Operate Without Covers. Do not operate this product with
covers or panels removed.
Avoid Exposed Circuitry. Do not touch exposed connections and
components when power is present.
Do Not Operate With Suspected Failures. If you suspect there is
damage to this product, have it inspected by qualified service personnel.

BK2534 Summary of contents

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... User Manual Digital Storage Oscilloscopes Models 2534, 2540 & 2542 Version 1.03 General Safety Summary  General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. ...

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General Safety Summary  Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. Symbols and Terms on the Product. Protective Ground (Earth) Terminal. CAUTION. Refer to user manual. Caution indicates a hazard ...

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Contents  Contents ..........................................................................................  Getting Started  . ..............................................................  7 Inspect package content  . .....................................................  7 Front Panel ............................................................................  8 Rear panel ...........................................................................  Interpreting the display  . ......................................................  Basic Operation ...........................................................  Probe Compensation .........................................................  Using Autoset ......................................................................  ...

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... Getting Started Front Panel This section provides an introduction to the front panel of the model 2534 and 2540 series oscilloscopes. Generally, you set up the front panel controls first and then make your measurements. The keys or knobs on the front panel bring up softkey menus on the display that provide further access to the oscilloscope’ ...

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Getting Started 1. PRINT key Press this key to print the current display to a USB mass storage device. 2. AUTO key When you press the AUTO key, the oscilloscope will quickly determine which channels are active and automatically scale ...

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Getting Started Press the RUN/STOP key again to stop acquiring data. The RUN/STOP key will be red. Now you may examine the acquired waveform by panning and zooming. Press the SINGLE key to acquire a single waveform trace. The key ...

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Getting Started Use these two probe compensation terminals to match each probe’s characteristics to the oscilloscope channel to which it is connected. 11. External trigger input This is the external trigger input BNC connector. 12. Channel input BNC This is ...

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Getting Started Interpreting the display The oscilloscope display contains channel acquisition information, setup information, measurement results, and soft keys for setting up measurement parameters. Interpreting the display 1. Readout shows the real time clock. 2. The USB icon displays when ...

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... Repeat the procedure for each channel. This matches each probe to each channel. Using Autoset The 2534 & 2540 series digital storage oscilloscopes provide the Autoset function which sets the vertical, horizontal, and trigger controls automatically. Autoset function finds, turns on, and scales any channel with a repetitive waveform that has a frequency of at least 50 Hz, a duty cycle greater than 0 ...

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Basic Operation To undo the effects of Autoset, press the Undo Autoset softkey in the AUTO menu before pressing any other key. This is useful when you have unintentionally pressed the AUTO key or do not like the settings Autoset ...

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Basic Operation the voltage difference between the vertical center of the display and the ground level( ). Press the small vertical position knob above the channel key to bring the channel’s waveform and its ground level icon ( ) directly ...

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Basic Operation Press the channel key CH1, then press the Coupling softkey to select DC coupling mode. DC coupling passes both AC and DC components of the input signal. DC coupling is useful for viewing low frequency waveforms that do ...

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Basic Operation Bandwidth Limit When Bandwidth limit is on, the maximum bandwidth for the channel is approximately 20 MHz. For waveforms with frequencies below this, turning bandwidth limit on removes unwanted high frequency noise from the waveform. The bandwidth limit ...

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Basic Operation Probe Attenuation Setting Probes are available with various attenuation factors which affect the vertical scale of the signal. You can manually select the factor that matches the attenuation of your probe. This allows you to see the correct ...

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Basic Operation Digital Filter is on   Basic Operation     Vertical Scale Turn the large vertical scale knob below the channel key to set the scale factor for the channel. The channel scale factor value is displayed in the ...

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Basic Operation Vertical Invert Press CH1→ More 1/2 → Invert to turn Invert on or off. When Invert is turned on, the voltage values of the displayed waveform are inverted. Invert affects how a channel is displayed, but does not ...

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Basic Operation MATH Functions  Dual Waveform Calculation Press the MATH channel key to turn on the MATH menu page1/2.    Softkey Options Description A+B Add A and B A-B Subtract B from A Operate Multiply A×B FFT Access ...

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Basic Operation For example, we select the A+B math function, select CH1 as the Source A, and select CH2 as the Source B, then we will see the math waveform displayed in red as follows: Math A+B FFT Spectrum Analysis ...

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Basic Operation Press the softkey More 1/2 to display the FFT menu page 2/2. Softkey Options Description A+B Add A and B A-B Subtract B from A Operate Multiply A×B FFT Enter FFT menu Vertical scale control ...

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Basic Operation REF Function You might make measurement on a known good system, save the result to internal memory USB mass storage device, then make the same measurement on a test system and recall the reference waveform ...

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Basic Operation Press REF→ Internal Storage →Save to save the waveform of the Source channel as the reference waveform to internal memory. Save a Reference waveform Note: The reference waveform function is unavailable when X-Y mode is selected.   Basic ...

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Basic Operation Horizontal Position Control When the oscilloscope is in run mode, this control lets you set the acquisition window relative to the trigger point. When acquisition is stopped, you can turn this knob to pan through the data horizontally. ...

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Basic Operation Press the softkey More 1/2 to display the HORIZONTAL menu page 2/2. Options Softkey Set the holdoff time Holdoff between two triggers. Reset Holdoff ---- time to the default Reset value of 100 ns. Trig-Offset Reset the delay ...

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Basic Operation Delayed Horizontal Mode Delayed horizontal mode is an expanded version of main mode. When Delayed mode is selected, the display divides in half. The top half of the display shows the normal waveform and bottom half displays the ...

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Basic Operation X-Y Horizontal Mode X-Y mode changes the display from a volts-versus-time display to a volts-versus-volts display. The time base is turned off. The CH1 signal is plotted on the X axis and CH2 signal is plotted on the ...

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Basic Operation Roll Horizontal Mode Roll mode causes the waveform to move slowly across the screen from right to left. It only operates on time base settings of 500 ms/div or slower. If the current time base setting is faster ...

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Basic Operation Holdoff Function Holdoff sets the amount of time that the oscilloscope will wait before rearming the trigger circuit. You can use the holdoff function to stabilize the display of complex waveforms. With the holdoff function, you can synchronize ...

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Basic Operation Trigger Controls The trigger controls determine when the oscilloscope starts to acquire and display the waveform. When a trigger is found, the oscilloscope will acquire sufficent data to display the waveform. The trigger controls are functional when the ...

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Basic Operation Trigger Level Control Use the trigger level control knob to adjust the trigger level. This is the voltage level on the trigger waveform that causes a trigger event. When you change the trigger level, a horizontal line temporarily ...

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Basic Operation In either Auto or Normal mode, the trigger may be missed. This is because the oscilloscope will not recognize a trigger event until the pre-trigger buffer is full. Video Trigger Choose video triggering to trigger on the odd ...

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Basic Operation The following figures show the video waveforms triggered on odd fields and line 6. Trigger on odd fields Trigger on specific line 6   Basic Operation     Note: The trigger level control is unavailable when Video type ...

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Basic Operation Press the trigger control MENU key to display the TRIGGER Softkey Options Description Video Video triggering Type Edge Edge triggering Pulse Pulse width triggering CH1 Trigger on CH1 CH2 Trigger on CH2 EXT Trigger on EXT Source EXT/5 ...

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Basic Operation Press the trigger control MENU key to display the TRIGGER menu, then press the Type softkey to select Pulse trigger. Softkey Options Description Video Video triggering Edge Edge triggering Type Pulse Pulse width triggering CH1 Trigger on CH1 ...

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Basic Operation ACQUIRE Menu Press the ACQUIRE menu key to show the ACQUIRE menu. ACQUIRE Menu key Normal acquisition mode yields the best display for most waveforms. Average mode lets you average multiple waveforms to reduce noise and increase resolution. ...

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Basic Operation Press the Mode softkey to select the Average mode. Softkey Options Normal Normal acquisition. Averages Average waveforms. Mode Peak Peak Detect acquisition. Set number 16, Averages 32, 64, 128, or 256. Equivalent Equivalent sampling. ...

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Basic Operation Average count of 16 selected to reduce random noise   Basic Operation     Waveform recorder The waveform recorder can record input waveforms in a sequence of frames originating from channel 1 or channel 2, with a maximum ...

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Basic Operation Set the time interval between Interval frames. 1000s> Set the number of End frames you want to Frame record Start recording.  Operate Stop recording    Basic Operation   captured Play back the record waveform sequence (menu ...

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Basic Operation Play back the record waveform sequence (menu Press ACQUIRE → Record to show the RECORD menu. Softkey Options Set the playback interval Interval between two frames Set the start frame to Start Frame playback End ...

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Basic Operation Exit the waveform recorder Press the Mode softkey to select the OFF option and return to the ACQUIRE menu. Softkey Options Description Record Record the waveform Play back Play back the record Save/Recall from Mode Save internal or ...

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Basic Operation Press the UTILITY key to display the UTILITY menu page 1/2. Softkey Options Description I/O Setup ---- Select I/O SETUP menu Print ---- Select PRINT menu Setup System ---- Select SYSTEM menu Setup English default Language More 1/2 ...

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Basic Operation Print Setup Press UTILITY → Print Setup to display the PRINT menu. Press the Print to softkey to select File. Softkey Options Print to File Print to file BMP BMP file format File Type CSV CSV file format ...

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Basic Operation Press the Set Date&Time softkey DATE&TIME menu. Softkey Options ON Date & time display on Display OFF Date & time display off Set hour Hour Min Set minute Month Set month Day Set day Year Set year OK! ...

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Basic Operation Press UTILITY → Service to display the Service menu, then press the System Info softkey to display the system information, such as Model, Serial number, Power up times, Software version and a list of installed modules. System Information ...

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Basic Operation Press More 1/2 to display the PASS/FAIL menu 2/2. Softkey Options ON Display P/F information Msg Turn Display P/F Display OFF information off PASS Indicate Pass condition Output to screen and sound alarm on Pass PASS+ condition Output ...

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Basic Operation Press More 1/2 to display the MASK menu 2/2. Softkey Options Description Store the PASS/FAIL Internal ---- tolerance Storage internal memory. Store the PASS/FAIL tolerance External ---- Storage external storage device. Return ---- PASS/FAIL menu. Display the menu ...

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Basic Operation Note: Warm up the oscilloscope for at least 30 minutes before performing self-calibration. MEASURE Menu MEASURE Menu key   Basic Operation     Press the MEASURE key to display the MEASURE menu. Softkey Source Voltage Time Clear Measure ...

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Basic Operation Voltage Measurements Press MEASURE → Voltage to display the VOLTAGE menu page 1/4. Softkey Options Description The Peak-Peak value is the difference between Peak-Peak ---- maximum and minimum values. The Amplitude value is Amplitude ---- the difference between ...

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Basic Operation Press the More 2/4 softkey to display the VOLTAGE menu page 3/4. Softkey Options The Cycle Avg value is the sum of the samples ---- Cycle Avg divided by the number of samples over one period. The Cycle ...

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Basic Operation Time Measurements Press MEASURE → Time to display the TIME menu page 1/5. Softkey Options Frequency is defined as ---- 1/period of the first Frequency cycle. Period is the time period ---- of the first complete Period waveform ...

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Basic Operation Press the More 2/5 softkey to display the TIME menu page 3/5. Softkey Options Measures the delay between 2 waveforms Delay ---- using the first rising edge of each channel as reference. Measures the delay between 2 waveforms ...

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Basic Operation Press the More 3/5 softkey to display the TIME menu page 4/5. Softkey Options Description Phase 1→2 is the time in degrees between Phase ---- corresponding points from 1→2 waveforms 1 to waveform 2. [See note] Phase 2→1 ...

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Basic Operation Automatic Measurement Procedure Press MEASURE → Measure All to turn on Auto Measurements measurements of the current channel are displayed at the center of the screen. Press the Measure All softkey again to turn off ...

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Basic Operation Measurement definitions The following figure shows the voltage measurement points.  The following figure shows the time measurement points.   Basic Operation     SAVE/LOAD Menu SAVE/LOAD MENU key Press the SAVE/LOAD key to display the SAVE/LOAD menu. Softkey ...

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Basic Operation Internal Storage Press SAVE/LOAD→Internal Storage→Storage type to display the INTERNAL menu and select Waveforms storage type. Softkey Options Description Waveform file format Storage Waveforms type Setups Setup file format Select a waveform file from Wavexx Wave01 to Wave10. ...

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Basic Operation External Storage Press SAVE/LOAD→External Storage to display the EXTERNAL menu. Softkey Options Description Create a new file or folder in ---- New the external memory. Rename the current file or Rename ---- folder. ---- Load the current file. ...

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Basic Operation Press SAVE/LOAD→External Storage→New→New File to display the New File menu. Softkey Options Setups Save as setup files Save as waveform files Waveforms Save as BMP Save as BMP files CSV Save as CSV files Enter Enter ---- character ...

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Basic Operation Press SAVE/LOAD→External Storage→Rename to display the Rename menu. Softkey Options Enter the selected Enter ---- character and go to the Character next character position. Delete the selected Delete ---- Character character. Rename the selected file OK ---- or ...

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Basic Operation Firmware Update The oscilloscope firmware can be conveniently updated via the front panel USB host interface. Press SAVE/LOAD→External Storage to display the EXTERNAL menu. Turn the entry knob to select the correct update file. The file 2042A.UPT is ...

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Basic Operation CURSOR Menu You can measure waveform parameters using the cursors. Cursors are horizontal and vertical markers that indicate X-axis values (usually time) and Y-axis (usually voltage selected waveform . The position of the cursors can be ...

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Basic Operation Press CURSOR→Mode to display the CURSOR menu and select the Manual mode. Press the Type softkey to select Time measurement. Softkey Options Description Manual Manual cursor measurement Mode Auto Auto cursor measurement Track Track cursor measurement CH1 Measure ...

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Basic Operation Press CURSOR→Mode to display the CURSOR menu and select the Track mode. Softkey Options Description Manual Manual cursor measurement Auto Auto cursor measurement Mode Track Track cursor measurement CH1 Track CH1 with Cursor A Cursor A CH2 Track ...

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Basic Operation DISPLAY Menu Display Menu key   Basic Operation     Press the DISPLAY menu key to display the DISPLAY menu page 1/2. Softkey Options Vector Type Grid Contrast Color Setup More 1/2 123 124   Description Vector mode ...

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... The key will illuminate in orange until the oscilloscope is triggered. When the oscilloscope is triggered, the waveform will be acquired and displayed, after which the oscilloscope will ignore any further triggers. The RUN/STOP key is used to manually start/stop the oscilloscopes oscilloscope will start looking for a trigger and the 125 126   ...

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Basic Operation RUN/STOP key be green. When the trigger mode is set to Normal mode, the display will not update until a trigger is found. If the trigger mode is set to Auto mode, the oscilloscope looks for a trigger, ...

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Application Examples 3. Application Examples This section presents 7 typical application examples. These examples highlight the features of the oscilloscope and give you ideas on how to solve your own test problems. Make Simple Measurements You need to measure the ...

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Application Examples Capture a Single-Shot Signal A digital storage oscilloscope can easily capture an unrepeated signal:  Connect the channel 1 probe to the unknown signal.  Press the trigger MENU key to display the TRIGGER menu.  Press the ...

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Application Examples Reduce the Random Noise on a Signal If the test signal is noisy, you can set up the oscilloscope to reduce the noise on the displayed waveform. First, you stablize the displayed waveform by removing the noise from ...

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Application Examples Trigger on a Video Signal The video trigger can be used to capture standard video signals. The trigger circuit detects the vertical and horizontal intervals of the waveform and produces triggers based on the video trigger settings you ...

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Application Examples   Application Examples PASS/FAIL Measurement The oscilloscope measures and compares the input signal with a predefined Pass/Fail mask. If the input signal is within the mask threshold, a PASS verdict will be generated. If the input signal lies ...

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Application Examples  Press the More 1/2  softkey to display the PASS/FAIL menu page 2/2.  Press the Msg Display softkey to display the Pass/Fail measurement results on the top left corner of the screen.  Press the Output softkey ...

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Application Examples Perform the following steps to playback the waveforms. Press the ACQUIRE key to display the ACQUIRE menu.   Press the RECORD softkey to display the RECORD menu.  Press the Mode softkey to select Play back mode. ...

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Application Examples Perforxm the following steps to save or recall the waveform recorded.  Press the ACQUIRE key to display the ACQUIRE menu.  Press the RECORD softkey to display the RECORD menu.  Press the Mode softkey to select ...

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Application Examples Perform the following steps to make a voltage measurement on a waveform.  Press the CURSOR key to display the CURSOR menu.  Press the Mode softkey to select the Manual mode.  Press the Type softkey to ...

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Application Examples  Press the CURSOR key to display the CURSOR menu.  Press the Mode softkey to select the Manual mode.  Press the Source softkey to select FFT.  Press the Type softkey to select the Voltage type. ...

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Application Examples  The ΔY displayed in the softkey area is the voltage difference D (or 2B) between Y1 and Y2.  Press the Y1--/ Y2— softkey or press the entry knob to select the Y1 cursor.  Rotate the entry ...

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System Message and General Problems 4. System Message and General Problems System Message Function is not available: The control knob, key, or softkey is not available under a specific operating condition. The control is at its limit: This message will ...

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System Message and General Problems Incompatible file: This message will be displayed when the update software is not compatible with the model type. Load error: This message will be displayed when you fail to load a file from the internal ...

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System Message and General Problems  Try using HF Reject or LF Reject to reduce the noise of the trigger signal. If the amplitude is not identical with the actual voltage:  Check that the attenuation factor of the probe ...

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Specifications   5. Specifications and Characteristics Characteristics The characteristics given below are typical performance values and are not warranted. Characteristics are valid after a 30 minute warm-up time and within ±5 ℃ of the last self-calibration temperature. Vertical system Scope ...

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Horizontal system 2.5 ns/div to 50 s/div (2534) Time base range 2 ns/div to 50 s/div (2540, 2542) Modes Main, Delayed, Roll, and X-Y Time base accuracy ±0.01% Channel 1 is the X-axis input Input of X-Y mode Channel ...

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EXT: ±1.6V EXT/5: ±8V Holdoff Range 100ns to 1.5s Trigger Level Internal: ±0.3 div×volts/div Accuracy 1MΩ±1%||19pF Input impedance Maximum input CAT II, 400V @1MΩ pk Operates with input signal ≥50 Hz. SET LEVEL TO 50% Pulse Width Trigger when ...

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Display system Display 5.7 inch (145cm) diagonal STN LCD. Resolution 240 vertical by 320 horizontal pixels Color 256 VGA colours Brightness Adjustable Language Multi language user interface Menu ON: 8 vertical by 10 horizontal divisions or 200 vertical by ...

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Appendix A: Service and Warranty Information Service Information    Warranty Service: Please return the product in the original packaging with proof of purchase to the address below. Clearly state in writing the performance problem and return any leads, probes, connectors ...

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