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Keysight Technologies Infiniium MXR Series, User Manual

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Keysight Technologies Infiniium MXR Series User Manual Download Page 107

107

 

Keysight Infiniium MXR-Series Real-Time Oscilloscopes 

User's Guide

7 Troubleshooting

Verifying Basic Operation / 108
Before You Contact Keysight / 113
Returning the Oscilloscope to Keysight for Service / 114

This chapter describes what to do if you encounter any problems with your 

MXR-Series oscilloscope.

WARNING

There are no operator-serviceable parts inside the oscilloscope. Refer servicing to 

qualified personnel. To prevent electrical shock, do not remove covers.

Summary of Contents for Infiniium MXR Series

Page 1: ...Keysight Infiniium MXR Series Real Time Oscilloscopes User s Guide...

Page 2: ...its End User License Agreement EULA a copy of which can be found at www keysight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government may u...

Page 3: ...ow noise and high effective number of bits ENOB with additional high resolution settings that increase the effective number of bits at lower bandwidths Hardware acceleration and high waveform update r...

Page 4: ...nal exponential rise exponential fall cardiac Gaussian pulse PRBS and demo waveforms output to the GEN OUT side panel BNC connector Generated signals can be used to provide stimulus to a device under...

Page 5: ...d bus chart and user defined functions with MATLAB analysis New analysis tools including Fault Hunter and Power Analysis Legacy Infiniium analysis tools including histograms mask testing now with mult...

Page 6: ...he Infiniium oscilloscope application s online help contents and online demos The online help describes how to use the Infiniium oscilloscope application in detail Chapter 5 Calibrating the Oscillosco...

Page 7: ...to the Oscilloscope 16 Connecting Power to the Oscilloscope 17 Turning On the Oscilloscope 18 Changing the Administrator Password 19 2 Getting Started Front Panel Connectors 22 Channel inputs 22 Probe...

Page 8: ...rt of the waveform using Zoom 36 Using the Navigate Controls 37 Setting the scale position and timebase reference point 37 Adjusting the Vertical Settings 39 Turning an analog channel on or off 40 Adj...

Page 9: ...ce Performance Verification General Information 66 Performance Test Interval 66 Performance Test Record 66 Test Order 66 Test Equipment 66 Input Impedance Test 67 Offset Accuracy Test 69 DC Gain Accur...

Page 10: ...10 Keysight Infiniium MXR Series Real Time Oscilloscopes User s Guide Index...

Page 11: ...Positioning for Proper Airflow 14 Tilting the Oscilloscope for Easier Viewing 15 Connecting Accessories and a LAN Cable to the Oscilloscope 16 Connecting Power to the Oscilloscope 17 Turning On the O...

Page 12: ...ere is mechanical damage or a defect or if the oscilloscope does not operate properly or does not pass performance tests notify your Keysight Technologies Sales Office Verify that you received the fol...

Page 13: ...Safety UL 61010 1 2010 CAN CSA C22 2 No 61010 1 12 IEC 61010 1 2017 IEC 61010 2 030 2017 UL 61010 2 030 2018 CAN CSA 22 2 No 61010 2 030 17 Installation Category II Voltage Fluctuations Note that the...

Page 14: ...icient clearance for airflow around the back and sides Figure 1 Positioning the MXR Series oscilloscope with sufficient clearance Front view Minimum 0 mm Minimum 25 4 mm Minimum bottom clearance No in...

Page 15: ...s Real Time Oscilloscopes User s Guide 15 Tilting the Oscilloscope for Easier Viewing Tabs under the front feet of the oscilloscope can be flipped out to tilt the oscilloscope for easier viewing Figur...

Page 16: ...your LAN cable to the RJ 45 connector on the side panel Connect the other end to an open LAN port Figure 3 Side panel Removable Hard Drive To prevent data loss power down instrument before insertion o...

Page 17: ...d The power cord is the disconnecting device for Mains Position the equipment so the power cord is easily reached by the operator Table 2 Power requirements Power 100 120 V 50 60 400 Hz 100 240 V 50 6...

Page 18: ...d the oscilloscope display appears The oscilloscope is ready to use You can connect and disconnect probes and cables while the oscilloscope is turned on Turning Off the Oscilloscope To turn the oscill...

Page 19: ...t Infiniium real time oscilloscopes with the Windows 10 operating system the default Administator user account password is Keysight Change the Administrator password to something more secure and less...

Page 20: ...20 Keysight Infiniium MXR Series Real Time Oscilloscopes User s Guide 1 Setting Up...

Page 21: ...Markers 45 Making Measurements 46 Using Digital Channels and Protocol Decode 48 This chapter describes how to use the Infiniium MXR Series oscilloscope s inputs and outputs front panel controls and us...

Page 22: ...s Your Infiniium oscilloscope comes with 10 1 500 MHz passive probes for each analog input channel The AutoProbe interface also works with the InfiniiMax probing system See Connecting Oscilloscope Pro...

Page 23: ...tor connector a USB III device port for remote control of the oscilloscope from a PC a LAN port and speaker and microphone connectors Figure 6 Infiniium MXR Series oscilloscope side panel I O Removabl...

Page 24: ...e system to a reference clock that you provide To use an external reference clock connect the external clock to the 10 MHz REF IN 50 BNC connector then in the Infiniium oscilloscope application s Hori...

Page 25: ...rnal reference frequency input to 10 MHz REF IN 50 AUX TRIG IN 50 You can set up the oscilloscope to trigger on the auxiliary trigger signal connected to this BNC input TRIG OUT Pulses corresponding t...

Page 26: ...opes User s Guide 2 Getting Started Knobs and Keys on the Front Panel Figure 7 Front panel controls Horizontal controls Entry knob Vertical controls Markers controls Trigger controls Setup and Display...

Page 27: ...mon measurements Knobs and keys let you directly set vertical and horizontal parameters You can see the oscilloscope s configuration at a glance The oscilloscope uses color consistently throughout the...

Page 28: ...Infiniium oscilloscope display Table 3 Infiniium oscilloscope display descriptions Menu bar Use menu selections to perform defined operations and access every function the oscilloscope provides Grid...

Page 29: ...dows Several display options are available such as grids or horizontal and vertical scales Results pane A Results pane is visible at the bottom of the display when you do something that produces resul...

Page 30: ...s 2 Connect the probe to the circuit of interest using the browser or other probing accessories Figure 9 MXR Series oscilloscope probe connectors 8 or 4 analog input channels where probes are connecte...

Page 31: ...the time div setting and vertical scale so the oscilloscope can best display the input signals You should then see a square wave with about four cycles on screen and a peak to peak amplitude of approx...

Page 32: ...the Undo button to undo a default setup Using Autoscale To automatically configure the oscilloscope to best display the current input signal s press Auto Scale or choose Control Autoscale Figure 11 Au...

Page 33: ...scope is found or in the Auto sweep mode when a good amout of time has elaped without the trigger event see Setting Up Triggers on page 42 the oscilloscope finishes acquiring data updates the display...

Page 34: ...lears acquired waveform data from the display in preparation for another acquisition If the oscilloscope is in Run mode and is receiving triggers it will update the display as it collects new waveform...

Page 35: ...knob is the larger of the two horizontal control knobs To stretch the waveform horizontally displaying fewer seconds per division turn the knob clockwise To shrink it horizontally turn the knob count...

Page 36: ...ime relative to the trigger at the highlighted horizontal reference point Magnifying a part of the waveform using Zoom To turn on zoom press the key or click the Zoom button The waveform display area...

Page 37: ...When playing you can press the or keys multiple times to speed up the playback There are three speed levels Additionally the graphical user interface provides first and last buttons for navigating to...

Page 38: ...r s Guide 2 Getting Started The Timebase Reference range is from 0 to 100 of the screen The center of the screen is at 50 The slider correlates to the hollow orange triangle at the bottom of the displ...

Page 39: ...rn the display on or off for a specific channel Figure 16 Front panel vertical controls Figure 17 Graphical user interface vertical controls Vertical offset knob adjusts vertical offset position of se...

Page 40: ...orm bigger fewer volts per division or smaller You can also mouse over or touch the vertical scale field and use the resulting controls to set an exact value for the scaling The vertical offset knob i...

Page 41: ...a popup message box Also when the symbol appears in a field you can use the Entry knob to adjust values The Entry knob can sometimed be pushed to make a selection or default value setting Multi Purpo...

Page 42: ...s For example to set up an Edge trigger 1 Click the T button in the graphical user interface to open the Trigger dialog box 2 In the Trigger dialog box select the Edge trigger type 3 Select the Source...

Page 43: ...lar trigger level when the oscilloscope is set for edge trigger on a particular channel You can drag the trigger reference indicator at the left side of the display or drag the trigger line itself whi...

Page 44: ...en image into a document Choose File Print to send screen images and setup data to a specified printer Note that you can customize the Multi Purpose key to perform a QuickPrint Using the Touch Screen...

Page 45: ...urce waveform Voltage measurements from the markers are the value of the waveform at the time set with the marker arrow keys To add a marker press the Markers key or choose Measure Mark Add Markers or...

Page 46: ...f you click the measurement icon and specify a source the measurement defaults to using the feature closest to the horizontal reference point If you make the measurement using drag and drop the measur...

Page 47: ...different waveform features Using Quick Measurements The default Multi Purpose key action is QuickMeas see Multi Purpose Key on page 41 With this configuration To turn on the quick measurement display...

Page 48: ...e Add Waveforms button and select the check box next to the or press Digital Decoding Serial Protocol Data To open the Protocol Decode dialog box so you can define parameters for selected decodes choo...

Page 49: ...os and Online Help Using the Demo Wizard 50 Accessing the Online Help 51 The graphical user interface has a Demo Wizard that illustrates many oscilloscope features and capabilities There is also onlin...

Page 50: ...wcases many Infiniium oscilloscope features To see the demos choose Demos Tutorials Demos or Help Tutorials Demos You can then select a specific demo such as one for a particular protocol or one for a...

Page 51: ...re two ways to access the online help Click the question mark near the top right corner of a dialog box to open the help topic for that dialog box Figure 24 Choose Help Contents from the main menu to...

Page 52: ...waveform Use the Contents tab to browse topics by double clicking topics in the left pane Use the Index tab to type in a keyword and search the index for that keyword or scroll through the alphabetica...

Page 53: ...illoscope Tasks Changing Windows Operating System Settings 54 Installing Application Programs on Infiniium 55 Forcing a Default Setup 56 Hard Drive Recovery 57 Cleaning the Oscilloscope 58 This chapte...

Page 54: ...he oscilloscope Do not change the Power Options Do not change the Language settings Do not remove Fonts Do not change the screen resolution from 1920 by 1080 pixels Do not use the Administrative Tools...

Page 55: ...stem which lets you install your own application software Any application that runs on Microsoft Windows 10 and uses 16 GB of RAM or less may be installed on your Infiniium oscilloscope NOTE Exit the...

Page 56: ...2 If the oscilloscope is still not working properly choose Control Factory Default to return the oscilloscope to the default settings it had when it left the factory 3 If the oscilloscope is still no...

Page 57: ...ou see the prompt to choose Microsoft Windows or Instrument Image Recovery System select Instrument Image Recovery System and follow the on screen instructions 5 Once the recovery process is finished...

Page 58: ...n cleaning connectors WARNING To prevent electrical shock disconnect the Infiniium oscilloscope from mains before cleaning CAUTION Do not use too much liquid in cleaning the oscilloscope Water can ent...

Page 59: ...justment The purpose of a calibration is performance optimization There are two ways to calibrate an Infiniium MXR Series oscilloscope A user calibration also known as a self calibration includes the...

Page 60: ...more than 5 C different from that of the last calibration Be sure to perform a standard user calibration do not perform the time scale cal even if one was recently performed when environmental temper...

Page 61: ...scopes User s Guide 61 Equipment Required Equipment Critical specifications Recommended part number 50 BNC Cable 50 characteristic impedance BNC cable 54609 61609 10 MHz Signal Source required for tim...

Page 62: ...eal Time Oscilloscopes User s Guide 5 Calibrating the Oscilloscope Calibration Time It takes approximately 70 minutes to run the user calibration on the oscilloscope including the time required to cha...

Page 63: ...hese steps a Disconnect everything from all inputs and Aux Out b Select the level of calibration you want to perform NOTE Performing a user calibration will invalidate the oscilloscope s Certificate o...

Page 64: ...quency 10 MHz max 41 ppb 10 MHz max 0 41 Hz Amplitude 0 2 V peak to peak to 5 0 V peak to peak Wave shape Sine or Square c Connect the 50 BNC cable from Aux Out to each of the channel inputs as reques...

Page 65: ...ternal oscilloscope self tests to ensure that the measurement system is functioning properly To perform the self tests click Utilities Self Test Then select Scope SelfTest from the Available Self Test...

Page 66: ...er we recommend conducting the tests in the order presented as the order represents an incremental approach to performance verification This approach may be useful when you are troubleshooting a suspe...

Page 67: ...the male end of the BNC tee to the channel 1 input of the oscilloscope 4 Click Control Factory Default to set the oscilloscope to default conditions 5 Open the Channel dialog box for channel 1 Setup C...

Page 68: ...the remaining channels of the oscilloscope 9 Repeat step 3 through step 8 using an input resistance of 1 M instead of 50 and verify resistance readings of 1 M 10 k NOTE Due to the current source limi...

Page 69: ...fset Accuracy 0 1 div 2 mV 1 0 of offset setting for offsets 2V 0 1 div 2 mV 1 5 of offset setting for offsets 2V 50 Input Impedance Full scale is defined as 8 vertical divisions Magnification is used...

Page 70: ...mance 4 Configure the oscilloscope to measure the average voltage V avg on channel 1 as follows a Change the vertical scale of channel 1 to 5 mV div b Click the Vertical Meas tab on the left side of t...

Page 71: ...Channel dialog box to select 1 M impedance and then repeat step 3 to step 5 Record the reading in Table 8 for channel 1 NOTE For all oscilloscope readings in this procedure use the mean value in the...

Page 72: ...d in Table 8 of the Performance Test Record 8 Click Control Factory Default turn off channel 1 and turn the channel 2 display on 9 Configure the oscilloscope to measure V avg on channel 2 as follows a...

Page 73: ...ages to 256 b Change the vertical scale of the channel under test to 5 mV div c Drag and drop the Average voltage measurement icon onto the channel 1 waveform Channel Input on MXR Series Oscilloscope...

Page 74: ...then record the DMM voltage reading as VDMM and the scope V avg reading as VScope in either Table 7 or Table 8 depending on which version of the test you are on Fill in the Verror column by using the...

Page 75: ...e to the positive External Supply Setting value and then to the negative External Supply Setting value in the External Supply Setting column of the Offset Accuracy Test table for each of the vertical...

Page 76: ...Full scale is defined as 8 vertical divisions Magnification is used below 2 mV div Below 2 mV full scale is defined as 16 mV The major scale settings are 5 mV 10 mV 20 mV 50 mV 100 mV 200 mV 500 mV an...

Page 77: ...VScope in Table 9 of the Performance Test Record 7 Change the DC Supply voltage to 15 mV 8 Press Clear Display on the oscilloscope wait for the number of averages to return to 256 and then record the...

Page 78: ...ment icon onto the channel 2 waveform 13 Press Clear Display on the oscilloscope wait for the number of averages to return to 256 and then record the DMM voltage reading VDMM and the scope V avg readi...

Page 79: ...voltage to the oscilloscope never exceeds 5 V NOTE The oscilloscope must be warmed up with the oscilloscope application running for at least 30 minutes at ambient temperature prior to the start of an...

Page 80: ...18 GHz 11667B Power Meter Keysight P series with power sensor compatibility N1912A Power Sensor Maximum Frequency 14 GHz Power range 24 dBm to 16 dBm E4413A Coaxial Cable 50 Characteristic Impedance...

Page 81: ...display 8 cycles of a 50 MHz waveform d Click Setup Acquisition and ensure the acquisition parameters are set up as follows Sin x x Interpolation Auto Analog Averaging Enabled with of Averages set to...

Page 82: ...then Vin 4 0 10 6 50 1 2 14 1 mVrms Record the RMS voltage in Table 11 of the Performance Test Record in the Vin 50 MHz column 9 Press Clear Display on the oscilloscope and record the scope V rms read...

Page 83: ...e the generator frequency to the maximum value for the model being tested as shown in the table below It is not necessary to adjust the signal amplitude at this point in the procedure Setting Model MX...

Page 84: ...gain at the maximum frequency using the expression For example if Vout Max Frequency 13 825 mV Vin Max Frequency 13 461 mV and Gain 50MHz 1 0023 then Record this value in the Calculated Gain Max Freq...

Page 85: ...a Click Control Factory Default b Ensure the channel under test is displayed and all other channels are turned off c Set the vertical scale of the channel to 5 mV div d Set the horizontal scale to 16...

Page 86: ...bration and adds to the initial setting accuracy component Specifications TSA is published as a warranted specification expressed by the following formula The aging component is specified by the 10 MH...

Page 87: ...o 10 dBm Absolute Freq accuracy 1 ppb GPS or equivalent 10 MHz reference High frequency cable provided 50 ohm characteristic impedance 54609 61609 RF cable 50 ohm characteristic impedance BNC m connec...

Page 88: ...V hysteresis a Click Measure Thresholds b Select Custom level hysteresis from the Thresholds drop down list box c Enter 20 mV in the Hysteresis field and 0 V in the Threshold Level field 8 Enable a fr...

Page 89: ...l 2 Channel 3 Channel 4 Limits 50 5 mV div 48 25 to 51 75 50 10 mV div 48 25 to 51 75 50 20 mV div 48 25 to 51 75 50 50 mV div 48 25 to 51 75 50 100 mV div 48 25 to 51 75 50 200 mV div 48 25 to 51 75...

Page 90: ...div 990 k to 1 010 M 1 M 10 mV div 990 k to 1 010 M 1 M 20 mV div 990 k to 1 010 M 1 M 50 mV div 990 k to 1 010 M 1 M 100 mV div 990 k to 1 010 M 1 M 200 mV div 990 k to 1 010 M 1 M 500 mV div 990 k t...

Page 91: ...V 10 mV div 120 mV 4 2 mV 3 0 mV 20 mV div 240 mV 6 4 mV 4 0 mV 50 mV div 600 mV 13 0 mV 7 0 mV 100 mV div 1 2 V 24 0 mV 12 0 mV 200 mV div 2 4 V 58 0 mV 22 0 mV 500 mV div 4 0 V 112 0 mV 52 0 mV 1 V...

Page 92: ...mV 4 0 mV 50 mV div 600 mV 13 0 mV 7 0 mV 100 mV div 1 2 V 24 0 mV 12 0 mV 200 mV div 2 4 V 58 0 mV 22 0 mV 500 mV div 4 0 V 112 0 mV 52 0 mV 1 V div 4 0 V 162 0 mV 102 0 mV Channel 7 5 mV div 60 mV...

Page 93: ...r Limit Table 8 Offset Accuracy Test 1 M Vertical Scale Ext Supply Setting VDMM VScop e Verror VDMM VScop e Verror Offset Accuracy Limit Vzero error Vzero error Limit Channel 1 5 mV div 2 V 32 5 mV 2...

Page 94: ...1 V div 100 V 1 602 V 102 0 mV 2 V div 100 V 1 702 V 202 mV 5 V div 100 V 2 002 V 502 mV Channel 4 5 mV div 2 V 32 5 mV 2 5 mV 10 mV div 5 V 78 0 mV 3 0 mV 20 mV div 10 V 154 0 mV 4 0 mV 50 mV div 10...

Page 95: ...0 mV 7 0 mV 100 mV div 20 V 312 0 mV 12 0 mV 200 mV div 20 V 322 0 mV 22 0 mV 500 mV div 20 V 352 0 mV 52 0 mV 1 V div 100 V 1 602 V 102 0 mV 2 V div 100 V 1 702 V 202 mV 5 V div 100 V 2 002 V 502 mV...

Page 96: ...div 100 V 1 702 V 202 mV 5 V div 100 V 2 002 V 502 mV Table 8 Offset Accuracy Test 1 M continued Vertical Scale Ext Supply Setting VDMM VScop e Verror VDMM VScop e Verror Offset Accuracy Limit Vzero e...

Page 97: ...v 300 mV 2 200 mV div 600 mV 2 500 mV div 1 5 V 2 1 V div 3 0 V 2 Channel 4 5 mV div 15 mV 2 10 mV div 30 mV 2 20 mV div 60 mV 2 50 mV div 150 mV 2 100 mV div 300 mV 2 200 mV div 600 mV 2 500 mV div 1...

Page 98: ...2 500 mV div 1 5 V 2 1 V div 3 0 V 2 Channel 7 5 mV div 15 mV 2 10 mV div 30 mV 2 20 mV div 60 mV 2 50 mV div 150 mV 2 100 mV div 300 mV 2 200 mV div 600 mV 2 500 mV div 1 5 V 2 1 V div 3 0 V 2 Channe...

Page 99: ...est 1 M Vertical Scale Ext Supply Setting VDMM VScope VDMM VScope Calculated DC Gain Error DC Gain Error Test Limits Channel 1 5 mV div 15 mV 2 10 mV div 30 mV 2 20 mV div 60 mV 2 50 mV div 150 mV 2 1...

Page 100: ...l 4 5 mV div 15 mV 2 10 mV div 30 mV 2 20 mV div 60 mV 2 50 mV div 150 mV 2 100 mV div 300 mV 2 200 mV div 600 mV 2 500 mV div 1 5 V 2 1 V div 3 0 V 2 2 V div 6 0 V 2 5 V div 15 0 V 2 Channel 5 5 mV d...

Page 101: ...V div 1 5 V 2 1 V div 3 0 V 2 2 V div 6 0 V 2 5 V div 15 0 V 2 Channel 7 5 mV div 15 mV 2 10 mV div 30 mV 2 20 mV div 60 mV 2 50 mV div 150 mV 2 100 mV div 300 mV 2 200 mV div 600 mV 2 500 mV div 1 5...

Page 102: ...d Vertical Scale Ext Supply Setting VDMM VScope VDMM VScope Calculated DC Gain Error DC Gain Error Test Limits Table 11 Analog Bandwidth Maximum Frequency Test Vertical Scale Measurement Vin 50 MHz Vo...

Page 103: ...V div 1 V div Channel 4 5 mV div 10 mV div 20 mV div 50 mV div 100 mV div 200 mV div 500 mV div 1 V div Channel 5 5 mV div 10 mV div 20 mV div 50 mV div 100 mV div 200 mV div 500 mV div Table 11 Analo...

Page 104: ...div Channel 7 5 mV div 10 mV div 20 mV div 50 mV div 100 mV div 200 mV div 500 mV div 1 V div Channel 8 5 mV div 10 mV div 20 mV div 50 mV div 100 mV div 200 mV div 500 mV div 1 V div Table 11 Analog...

Page 105: ...ting Performance 6 Keysight Infiniium MXR Series Real Time Oscilloscopes User s Guide 105 Table 12 Time Scale Accuracy Measured Time Scale Error ppb Years Since Calibration Calculated TSA Spec Pass Fa...

Page 106: ...106 Keysight Infiniium MXR Series Real Time Oscilloscopes User s Guide 6 Testing Performance...

Page 107: ...ntact Keysight 113 Returning the Oscilloscope to Keysight for Service 114 This chapter describes what to do if you encounter any problems with your MXR Series oscilloscope WARNING There are no operato...

Page 108: ...the equipment so the power cord is easily reached by the operator Use only the power cord that came with the oscilloscope The power cord provided is matched to the country of origin 2 Press the power...

Page 109: ...the oscilloscope is working properly 1 Click Utilities Self Test 2 Select Scope SelfTest from the Available Self Tests drop down list box 3 Click Start and follow the instructions on the screen If an...

Page 110: ...ntil you have turned all knobs When you turn a knob in one direction half the rotation arrow under the corresponding knob symbol should turn green When you then turn the knob in the other direction th...

Page 111: ...the Single button on the front panel to step through and highlight each LED symbol in the test screen You can also step through the LEDs by pressing the Prev or Next buttons on the display screen Veri...

Page 112: ...ght on page 113 and Returning the Oscilloscope to Keysight for Service on page 114 Run a user calibration 1 Complete a user calibration by following the procedures in Chapter 5 Calibrating the Oscillo...

Page 113: ...tem information such as the current software version and installed options This information will be useful when you contact Keysight Technologies To find and save system information follow these steps...

Page 114: ...oscilloscope Accessories include all cables Do not include accessories unless they are associated with the failure symptoms 3 Protect the oscilloscope by wrapping it in plastic or heavy paper 4 Pack t...

Page 115: ...aracteristic 13 display clearing 33 E edge trigger setting up 42 Entry knob 41 Entry knob push to select 41 environmental characteristics 13 F factory default 56 front feet oscilloscope 15 front panel...

Page 116: ...scale vertical adjusting 40 serial protocol data decoding 48 service returning the oscilloscope for 114 setup controls 32 setup default 31 side panel connectors 23 sweep mode trigger 42 T terminal pro...

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