Abus FURM35000A Manuel Utilisateur page 48

Displays and functions
Alarm muting function (hush mode)
If the detector is in the alarm state, the
acoustic alarm can be deactivated for 8
minutes by pressing the Test button.
If the muting function is active, the red LED
flashes every 8 seconds.
If smoke is still detected in the smoke
measurement chamber after the 8-minute
muting period, the acoustic alarm will sound
again.
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