Hallberg-Rassy 34.2 System Manual page 27

LED on the particular sensor will also come on. The buzzer will also give the attention
signal. A sensor that has aged must be replaced.
False Alarms
11. False alarms can occur through the use of deodorant sprays etc. Moreover,
transmission on the VHF radio, located near the Gas Detector Control Panel, will often
initiate an audio and visual alarm. If this occurs, silence the alarm.
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