Last Calibration Date - Hanna Instruments HI96713C Instruction Manual

• The instrument will return automatically to measurement mode by displaying dashes on the
LCD.
In GLP mode, the last calibration date can be verified and the factory calibration can be restored.

LAST CALIBRATION DATE

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.
FACTORY CALIBRATION RESTORE
It is possible to delete the calibration and restore factory calibration.
• Press GLP/ to enter GLP mode.
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