2.1 Activating the Gas Detector
2.2 Gas Alarms
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Activate the gas detector in a place where the air is clean and free of haz-
ardous gases. In normal air, the concentration of oxygen is 20.9%.
To activate the gas detector, press and hold the button until a 3-second
countdown is displayed, and then continue to hold until the countdown
is completed. While it is activated, the detector simultaneously beeps,
flashes and vibrates for a few seconds. Alarm thresholds are then dis-
played in turn. It may take the sensors up to one hour to stabilize. Fi-
nally, it displays all four gas concentrations and remaining life with the
flashing heartbeat symbol
If the activation fails and subsequent attempts also fail, contact Honey-
well Analytics or your distributor for technical assistance.
When a gas concentration is either over or under the specified limit ac-
cording to the gas type, an alarm is generated. There are five types of gas
alarms.
• Low-level alarm
• High-level alarm
• TWA alarm
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