Additional Functions - brennenstuhl BCN 1221 Mode D'emploi

043909 BA_CO-Melder BCN 1221-0.qxp 01.10.15 09:49 Seite 28
Operating Instructions BCN 1221

4.4 Additional Functions

The CO-detector is provided with the following
additional user-friendly functions:
Alarm function:
This function is used to turn off the alarm for
4 minutes.
Press the "Test/Hush" button on the alarm.
If the CO-concentration reaches 200 ppm (parts
per million), the alarm will reactivate. The detector
returns to normal function automatically in
4 minutes.
If the concentration increases during the mute
function, the function is overridden and the
detector sounds.
ATTENTION: If the CO-concentration is at
200 ppm, the mute function cannot be activated.
Pre- Alarm- Warning:
If the detector detects a CO- concentration of
greater than 40 ppm, the red LED will blink every
8 seconds until the alarm sounds.
Memory function:
If the detector sounds the alarm due to excessive
CO-concentration (except for the test button), the
memory function in the detector is activated and
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