6
Setting the call tone volume
1. Pick up the handset.
2. Press the
button for 3 seconds.
✓
The next-highest call tone volume is output in the
handset with reduced handset volume.
There are five volume levels in total.
3. Press the
button for 3 seconds again to set the
next volume level.
✓
You can hear the next-highest call tone volume.
When the loudest volume level is reached, the next
button press switches to the quietest volume level.
4. Return the handset to the handset mount.
✓
You can hear the newly set call tone volume via the
handset loudspeaker.
Deactivating the call tone
The Indoor station, Standard does not feature call tone
deactivation.
Handset volume
The handset volume is fixed and cannot be changed.
Call tone melodies
Various call tone melodies are used to differentiate
between:
• door call via the call button at the outdoor station
• level call via level call button
• internal call via the call button for indoor stations
The call tone melodies have a fixed assignment and can-
not be changed.
