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Press the Manual functional key.
The standard value can be changed using the ARROW keys in the range 0
to 100% saturation or 0 to 8.26 mg/L, depending on the currently selected
measuring unit.
Set the standard value to the determined DO value.
The hourglass icon will be shown on the display until the reading becomes
stable.
When the reading is stable and close to the selected buffer, the CFM
functional key is displayed.
Press CFM to confirm the calibration point.
The instrument will return to the main screen and will memorize the calibra-
tion data.
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 calibra-
tion screen.
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