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Programming - manual
Dialling the door station
Application
You wish to be able to call the door
station from a bus telephone using
buttons, e.g. in order to selectively
speak to a visitor. In bus telephones
BTSV/BFSV 850-... the light or
muting button can be used for this
function.
1 Switch on the programming mode.
At the VSNG 850-..., press the pro-
gramming mode button briefly. The
LED1 flashes in a 2-second rhythm
to indicate that the programming
mode is active.
4 Hold down the light button for 4
seconds. A protracted signal tone is
audible in the receiver. The bus tel-
ephone is now in the programming
mode. Do not replace the receiver.
A speech connection with picture is
established to the door station.
24
2 At the door station, hold down the
programming button for 4 seconds.
A protracted acknowledgement tone
is then audible which is repeated
every 5 seconds as long as the pro-
gramming mode remains active.
5 At the bus telephone, hold down
the button you wish to use to call
the door station for 4 seconds.
Replace the receiver at the bus tel-
ephone. The button is now assigned
to the door station. The door loud-
speaker can be dialled at any time.
3 Lift the receiver at the bus tel-
ephone which you wish to program.
6 Replace the receiver. Continue to
program more bus telephones or
quit the programming mode.
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