HP 54540 Series - Self-Cal Menu

Chapter 5: Troubleshooting
Self-Cal Menu
Self-Cal Menu
The Self Cal Menu is used to calibrate the instrument. Signals are supplied through the AC cal
and DC cal BNCs on the rear panel. The only additional equipment needed are BNC cables
and adapters. There are several notable points:
e These PROTECTED SYSTEM CALs are protected by the Calibration switch accessible
through the rear panel.
e After a new operating system is loaded into NV-ROM from the disk drive, the calibration
factors may be loaded with defaults. The instrument must be calibrated before use.
e Each calibration can have one of four statuses for each channel:
e P- Passed - Calibration was successful
e F - Failed - Calibration failed.
e D - Defaulted - Calibration factors have been loaded with default values.
e C- Corrupted - Calibration factors have become corrupted. The checksums in the
memory do not correspond with the data.
e *~ Indicates that new software or firmware, or both, has been loaded and the function or
channel has not been recalibrated.
Specific procedures and instructions for using the self cals is located in chapter 4, "Calibrating
and Adjusting."
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Self Cal Menu
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