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GasAlertMicro 5/PID/IR
Calibration and Setting Alarm Setpoints
Press C Yes to zero the CO
2
sensor.
Or
Press A No to bypass the CO
2
zero and proceed to Auto Span
step #5. If the detector is passcode protected, refer to Pass-
code Protect Activated step #4.
If C Yes is pressed, the following screen displays.
a Warning
Use nitrogen (N
2
) to zero the CO
2
sensor.
Apply N
2
to zero the CO
2
sensor. The following screen
displays.
flashes whiles the detector zeros the CO
2
sensor (approximately 30 seconds).
Passcode Protect Activated
4. When auto zero is complete and if the passcode protect option
is enabled, the following screen displays.
The passcode must be entered to proceed.
Press G or H to scroll to the correct passcode and then press
C within 5 seconds to confirm. If entered correctly, the detec-
tor beeps twice and proceeds to Auto Span
step #5.
Incorrect Passcode: If the passcode is incorrect or is not confirmed
within 5 seconds by pressing C, the following screens display.
The detector saves the calibration and returns to normal operation.
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