Starting up
Starting up
15
Start-up using the apartment button
If the time limit has been exceeded:
➤
Repeat the procedure.
If the programming procedure failed:
➤
Check on the TwinBus power supply unit whether the setting protection is activated - see page
☞
20
.
➤
If 10 bell buttons have already been programmed, the telephone or indoor video unit memory is full. If necessary,
delete all the settings and reprogram the bell button that is needed (only possible if you have access to the
apartment).
Delete settings
This function deletes all settings and programmed bell buttons. If necessary, please note any existing customer set-
tings before deletion.
Adjustment protection
The TwinBus power supply unit enables the indoor telephone/video unit connected to be provided with an adjustment
protection to prevent them being adjusted without authorisation - see page
☞
20
.
Activity
Result
✔
Short tone: Device is ready for operation.
/
No tone: Time limit exceeded.
/
Long tone: Programming procedure has failed.
Activity
Result
✔
Short tone: Settings have been deleted.
/
Long tone: Settings have not been deleted.
Press and hold "P"
until
LD 1
Flashes
yellow
LD 2
Flashes red,
LD1
goes out
Within
three minutes, go to
the apartment but-
ton. Press and hold
it for 5 sec
Acoustic sig-
nal for
confirmation
Within one minute,
press the button to be
assigned on the door
station
RiTTO
Acoustic signal for con-
firmation
RiTTO
Press and
hold 5 sec
+
Acoustic signal for con-
firmation
