l Once started, you must perform the complete voltage or current calibration procedure in its
entirety. As each calibration section is completed, the instrument calculates new calibration con-
stants and begins using them. However, these constants are not saved in nonvolatile memory
until a SAVE command is explicitly given.
l Exit the calibration mode either by logging out of the Admin menu or by sending CAL:STAT OFF.
Note that any channels that were calibrated but not saved will revert to their previous calibration
constants.
Calibration Interval
The power modules should be calibrated on a regular interval determined by the accuracy
requirements of your application. The recommended calibration interval for Keysight N6700 Series
power modules is one year. Keysight N6700C, N6701C, and N6702C MPS mainframes do not require
calibration.
Calibration Switches
If the password is lost, access can be restored by setting an internal switch to reset the password to 0.
If the message “Locked out by internal switch setting” or “Calibration is inhibited by switch setting”
appears, the internal switch is set to prevent the password from being changed. Refer to Calibration
Switches for more information.
Calibration Count
The power system records the number of times the unit is calibrated. The calibration count is
incremented whenever the caljikklmibration (or date) is saved, the administration password is
changed (or reset using the internal switches), or the firmware is updated.
Front Panel Menu Reference SCPI Command
Select System\Admin\Cal\Count
CAL:COUN?
Keysight N6700C Operating and Service Guide 349
6 Verification and Calibration
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