Hanna Instruments HI 96711 - Manual (Page 12)

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To display the calibration date:
• Press and hold for three seconds
RANGE/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 and hold for three seconds
RANGE/GLP/ to enter GLP mode.
• 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.
FACTORY CALIBRATION RESTORE
In GLP mode, the last user calibration date can be verified and the factory calibration can be
restored.
LAST CALIBRATION DATE
G L P
• Press RANGE/GLP/ to edit the desired
year (2009-2099). If the key is kept
pressed, the year number is automatically
increased.
• When the correct year has been set, press
ZERO/CFM or READ/ /TIMER to
confirm. Now the display will show the
month blinking.
• Press RANGE/GLP/ to edit the desired
month (01-12). If the key is kept pressed
the month number is automatically
increased.
• When the correct month has been set,
press ZERO/CFM or READ/ /TIMER
to confirm. Now the display will show
the day blinking.
• Press RANGE/GLP/ to edit the desired
day (01-31). If the key is kept pressed
the day number is automatically increased.
Note: It is possible to change the editing
from day to year and to month by
pressing READ/ /TIMER.
• Press ZERO/CFM to save the calibration
date.
• The instrument displays “Stor” for one
second and the calibration is saved.
• The instrument will return automatically
to measurement mode by displaying
dashes on the LCD.
DATE INPUT
or
or