Honeywell DirectLine DL424 User Manual page 27

Step Operation
2 Sample Calibration
9/11
Press
SCal
Hold
(3 seconds)
SCal
Momentarily

or
MODE
Momentarily
DirectLine® DL424/425 Sensor Module User Manual
Display
SCAL (1 second), then "Live DO Value"
To cancel, press Mode button
The display changes to a live DO reading,
so you can continue to monitor the sample.
to edit the Displayed DO value.
The displayed DO value flashes at the
current value and increments or
decrements.
The output is held at its current percent of
range value.
Press and hold or
decrement quickly.
A new Sample Cal Trim value is
calculated.
If successful, the display will change to
online DO and the Output hold will
terminate.
If an error occurs, "FAIL" will display and
return to online DO. The previous Cal Trim
value will be retained. Refer to
"Diagnostics" for error messages and
"What to do".
Calibration
to increment or
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