brennenstuhl BR 1211 Mode D'emploi page 21

BR 1211
NOTE: An alarm can simply be stopped by
removing the battery from the battery clip.
The smoke alarm is powered by a battery and
needs no other electical power supply.
Mute function
Press the test-/mute function button in order to
turn off a false alarm. The device will be automa-
tically adjusted to a lower level of sensitivity. This
allows false alarms to be suppressed for a period
of about 10 minutes, i.e. the device is muted.
After the mute period expires, the device automa-
tically returns to normal sensitivity. If you want to
prolong the mute, just press the test/mute button
again.
Coding
recommend that you change the code on all
devices prior to installation.
Operating Instructions
All interconnected smoke detectors
must be set to the same radio code.
The factory setting is radio code "1".
In order to prevent interference with
other systems of the same type, we
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