Hanna Instruments HI96751C - GLP; Consulting Calibration Date; Factory Calibration Restore

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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 GLP/ to enter GLP mode. The calibration month and day will appear on the main display
and the year on the secondary display.
• 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.
LAST CALIBRATION DATE
• Press READ /TIMER to enter in the factory calibration restore screen. The instrument asks for
confirmation of user calibration delete.
FACTORY CALIBRATION RESTORE
It is possible to delete the calibration and restore factory calibration.
• Press GLP/ to enter GLP mode.
GLP