GasAlertMicro 5/PID/IR
User Manual
16
9. Unless disabled in user options, the oxygen (O
2
) sensor is cali-
brated automatically.
If the calibration is successful, the detector beeps twice.
Note
If the automatic O
2
calibration feature has been disabled,
Automatic O
2
span disabled displays.
10. The number of days remaining before calibration is due dis-
plays for all sensors.
If any sensor is over due for calibration, the LCD displays the
name of the sensor and the number of days past due.
Due-Lock Enabled
The Due-lock option ensures that a passcode must be entered when
calibration is past due, otherwise the detector automatically deactivates.
11. If Due-Lock is enabled in the user options, the following
screen displays.
Enter the correct passcode and press C to confirm.
Note
If any sensor is overdue, Y displays continually until calibration
is performed.
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