AMETEK HPD Series GPIB-Multichannel - Manual (Page 133)

Calibration
Exit calibration mode
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Exit calibration mode
When you have completed calibration, exit calibration mode by sending the
command:
CAL:STAT OFF, "0000"
where “0000” is replaced with your security code.
Restore Factory Calibration
Restore the unit to the calibration constants set at the factory by sending the
command:
CALibration:RESTore
Note This procedure should not be used in place of regular calibration, but may be useful to
restore the unit to an operational state in case of failure.