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4-8. Performing air calibration
After a high-concentration gas is detected or an alarm is triggered by temperature/humidity changes,
perform an air calibration in the measured atmosphere.
* Before performing air calibration, verify a fresh air environment.
1
In the detection mode,
hold down the AIR button.
2
Release the AIR button
when the display
changes from "HOLD
AIR" to "RELEASE".
(Buzzer sound: Three times <blip,
blip, blip>)
▼
▼
The air calibration is done and the
detector returns to detection
mode.
(Buzzer sound: Once <blip>)
If air calibration fails, "FAIL AIR
CAL" is displayed.
Perform air calibration again in
fresh surrounding air.
