Hanna Instruments HI 93414 - Manual (Page 36)

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To delete last calibration, follow next steps:
• Enter the GLP feature by pressing RCL/GLP for
3 seconds. The date of the last calibration will
be displayed on the LCD. If no calibration was
performed, the “
F.CAL” message appears on
the LCD and the instrument returns to
measurement mode.
• Press READ/TIMER to see the information
related to calibration. The last panel is the one
with delete calibration.
• Press SETUP/DEL to delete the current
calibration. The instrument will restore the
factory calibration and will automatically return
to measurement mode.
CALIBRATION DELETION
HI 93414 is delivered factory calibrated. It is possible to restore factory calibration at any time if the
user calibration do not work as expected.
Note: Deleting the user calibration for one range will not affect the other ranges.
CALIBRATION ERROR MESSAGES
• The calibration is successfully performed if the
CAL CHECK™ readings is in certain limits.
If the CAL CHECK™ standard value is too high,
the display will show “
-HI-” on the primary
display and “ Err” on the secondary display. If
this message appears, check if the correct cuvette
was used.
• If the CAL CHECK™ standard value is too low,
the display will show “ -LO-” on the primary
display and “ Err” on the secondary display. If
this message appears, check if the correct cuvette
was used.