Hanna Instruments HI96101C Instruction Manual page 42

FACTORY CALIBRATION RESTORE
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.
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