
Accepting a call
After the door bell rings, pick up the receiver.
Switching off the ring tone
Lift the receiver and press the tone/image key
continuously (for approx. 5 seconds) until you hear
confirmation tone. The ring tone is now switched
off. The tone/image key flashes once per second to
confirm this.
After 12 hours or after a power supply cut-
off, the ring tone is automatically switched
back on.
Switching on the ring tone
6-Wire Press the tone/image key briefly. You will
hear an uninterrupted high tone. The ring tone is
now switched on again.
2-Wire Lift the receiver and press the tone/image
key continuously (for approx. 5 seconds) until you
hear the confirmation tone. The ring tone is now
switched on again.
Opening the door
When the door bell rings, you have 2.5 minutes to
open the door with the open door key.
+Changing the ring tone for
apartment calls
Press the tone/image key continuously and then
briefly press the open door key within 2 seconds.
With every press of the open door key, you will
hear a different tone. When you hear the desired
tone, release both keys.
You can choose from 8 different ring tones.