Hanna Instruments HI 96728 - Manual (Page 20)

20
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.
It is possible to delete the calibration and
restore factory calibration.
• Press GLP/ to enter GLP mode .
In GLP mode, the last calibration date can be verified and the factory calibration can be restored.
LAST CALIBRATION DATE
FACTORY CALIBRATION RESTORE
G L P
• The instrument will return automatically
to measurement mode by displaying
dashes on the LCD.