6
7
English
English
Your door telephone
Door release button
Ring tone OFF button
with status display
(red LED is on)
Light switch button
Control key
Handset
Volume control for
ring tone and voice
Green LED
Red LED
Green LED
is ON
incoming door-, flat-door or internal calls
active voice communication
blinks 3 times
busy voice channel
Red LED
is ON
Ring tone OFF is activated,
incoming call is not signalled accoustically
Both LED
are ON
ring tone selection is activated
flash continuously
Error indication, the device is not ready for
operating. Error has to be fixed by a
qualified electrician.
