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• If no calibration was performed, the factory calibration message,
“F.CAL”
will appear on the
main display and the instrument returns to measurement mode after three seconds.
FACTORY CALIBRATION RESTORE
It is possible to delete the calibration and restore factory calibration.
• Press and hold
RANGE/GLP
key to enter GLP mode.
In the GLP mode, the last user calibration date can be consulted and the factory calibration can
be restored.
To display the calibration date:
• Press and hold
RANGE/GLP
key to enter GLP mode. The calibration month and day will
appear on the main display and the year on the secondary display.
LAST CALIBRATION DATE
GLP