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Setting the Calibration Due Date
After all the alarm setpoints have been set, the display shows
the number of days remaining before the next calibration is
due. (The default setting is 180 days.)
If you do not calibrate all of the sensors, the
detector will read notE: SPAn ALL SEnSorS to
rESEt CAL duE dAtE instead of the above.
The display flashes prompting you to change the calibration
due date between 1 and 365 days.
8.
If you want to change the next calibration due date,
press H and G until the display shows the new
value.
Press C to save the new value.
9.
Note
Calibration and Setting Alarm Setpoints
After the calibration due date is set, the audible alarm beeps
four times and the detector returns to normal operation.
If you do not press any pushbuttons within 10
seconds of entering this display, the detector
automatically retains the existing value.
Verification
After calibration has been completed and the unit is in normal
operating mode, test the detector using a gas cylinder other
than the one used in the calibration. The gas concentration
should not exceed the sensor's detection range. Confirm that
the display shows the expected concentration.
The catalytic LEL sensor must be checked if a fitted H
sensor gives an alarm (potential poison gas).
GasAlertMax
Note
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