Calibrating the Oscilloscope 5
Keysight Infiniium MXR-Series Real-Time Oscilloscopes User's Guide 63
Calibration Procedure
1 Let the oscilloscope warm up before running the calibration.
2 Click Utilities > Calibration....
3 Clear the Cal Memory Protect check box.
You cannot run a user calibration if this check box is selected. See the following
figure.
4 Click Start Frame Cal; then, follow the instructions on the screen.
The routine will prompt you to follow these steps:
a Disconnect everything from all inputs and Aux Out.
b Select the level of calibration you want to perform.
Performing a user calibration will invalidate the oscilloscope's Certificate of Calibration. If
NIST (National Institute of Standards and Technology) traceability is required, perform the
procedures in Chapter 6, “Testing Performance,” starting on page 65 using traceable
sources.
The oscilloscope must be warmed up (with the oscilloscope application running) for at
least 30 minutes at ambient temperature before starting the calibration procedure.
Failure to allow warm up may result in inaccurate calibration.
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