Inst
alla
tion
Installation: Assembly, connection and start-up
90
Adjustment protection
The TwinBus power supply unit can be used to give the connected intercom units a setting protection to prevent them
from being changed inadvertently - see page
.
A negative acknowledge tone when the setting button is pressed is an indication that the adjustment protection facility
has been activated.
Start-up using the intercom station
One-man start-up
Two-man start-up
If the programming procedure failed:
Check on the TwinBus power supply unit whether the setting protection is activated - see page
If 10 bell buttons have already been programmed, the intercom station memory is full. If necessary, delete all
settings and reprogram the pushbutton that is needed.
Activity
Result
Activity
Result
✔
Tone: Device is ready for operation.
/
No tone: Programming procedure failed.
> 5 s
>Press and hold for 5 s until
illuminates
Within one minute, press the button to be
assigned on the door station
RiTTO
RiTTO
acoustic signal for confirmation at
intercom station and door station
> 5 s
5>Press and hold for 5 s until
illuminates
announce button to be assigned via
speech connection
RiTTO
Within one minute, press the button to be
assigned on the door station
RiTTO
RiTTO
acoustic signal for confirmation at
intercom station and door station
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