Inst
alla
tion
Installation: Assembly, connection and start-up
38
Delete settings
This function deletes all settings and programmed bell buttons. If necessary, please note down any existing customer
settings before deleting the settings.
If the settings have not been deleted:
Check on the TwinBus power supply unit whether the setting protection is activated - see page
Repeat the procedure.
2.5.2 TwinBus comfort indoor telephone 1 7650
Assembly
Remove the TwinBus device and the supplied components from the packaging.
Please provide your customers with a copy of the operating instructions for the TwinBus device. The operating
instructions are printed on the packaging or are enclosed with the unit.
Activity
Result
✔
Short tone: Settings have been deleted.
/
Long tone: Settings have not been deleted.
Press and hold for 5 s
until
+
Acoustic signal for confirmation
!
00037-0
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