Hanna Instruments HI 96101 - Manual (Page 32)

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To display the calibration date:
• Press and hold for three seconds
RANGE/GLP/ to enter GLP mode . For
the selected range 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.
It is possible to delete the calibration and
restore factory calibration.
• Press and hold for three seconds
RANGE/GLP/ to enter GLP mode for
the selected range.
• Press READ/ /TIMER to enter in the
factory calibration restore screen. The
instrument asks for confirmation of user
calibration delete.
• Press ZERO/CFM to restore the factory
calibration or press RANGE/GLP/ again
to abort factory calibration restore.
• The instrument briefly indicates “donE”
upon restoration of factory calibration prior
to returning to
measurement mode .
In the GLP mode, the last user calibration date can be verified and the factory calibration can be
restored.
LAST CALIBRATION DATE
FACTORY CALIBRATION RESTORE
G L P