SSS Siedle Comfort BTC 850-0 Notice D'utilisation page 4

English
Accepting door calls
The ringing tones for the front
door and apartment door are
different. When a visitor presses
the door bell, the telephone rings
and the muting button flashes.
You can accept the call within
45 seconds of the last ring tone.
Actuating the door release
When you press the door release
button, the door from which
the last call came is opened for
3 seconds.
Switching on the light
When you press the light button,
the lighting is switched on,
provided this has been connected
by your electrical installer.
Muting the bell
When the mute button is pressed
briefly, all the ringing tones are
switched off or on again. The
button lights up red to indicate
that the mute has been activated.
If a visitor rings the door bell while
the telephone is switched to mute,
the button flashes.
Selecting the door station
Pick up the receiver. Press the light
button twice to establish a speech
connection to the door station
from which the last call was made.
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Ring tone volume
The ring tone volume can be set in
five stages:
With the receiver down, hold
down the muting button for 3
seconds in order to hear the set
ring tone volume.
Briefly press the muting button.
The volume increases by one
increment.
After reaching the highest level, it
jumps back to the lowest stetting.
Save the selected volume by
pressing the mute button for three
seconds.