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Notes: If the manual pressure feature is enabled, during the DO calibration it is possible
to switch between changing the standard value or the pressure value by pressing the
Pressure/Standard functional key or the MODE key.
If a previous calibration has been performed it is possible to erase the calibration by pressing
the Clear functional key while in the DO calibration screen.
The “Calibration cleared” message will be displayed for a few seconds and the meter will
return to the main screen. If the manual pressure feature is enabled, the Clear key will be
active only for 5 seconds after accessing the DO calibration screen, and afterwards it will be
replaced by the Pressure/Standard functional key.
If the DO value measured by the instrument is not within range of the selected standard,
the “Wrong standard” error message will be shown on the display and the calibration can’t
be confirmed.
Press
CFM
to confirm the calibration point.
The instrument will return to the main screen and will memorize the calibration data.
While in manual calibration mode it is possible to return to the automatic calibration mode
by pressing the AUTO functional key. The meter will select the standard that is closest to the
current DO reading.
DO CALIBRA
TION PROCEDURE
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