Programming
Overview of functions
Storey call
The storey call button (ERT) is used
to call into the apartment from an
apartment door. Application e.g.
apartment building with 4 apart-
ments and a common staircase.
Storey call buttons are installed in
front of every apartment front door.
Internal call
Bus telephones can place calls to
each other using the buttons. With
the BTSV/BFSV 850-... it is possible
to call up to 4 users, with the BTC/
BTCV 850-... up to 14 users. Internal
calls are only possible within a line.
Light button
In the as-delivered status, the light
button in the bus telephone switches
the contact in the bus line rectifier
for 0.4 seconds. The function of the
light button can be reprogrammed,
e.g. for internal calls.
Call silencing and display
The door call, storey call and internal
call can be switched off using the
muting button at the BTSV/
BFSV 850-... The button lights up
to provide an optical display.
Call tone configuration
At each bus telephone, different call
tones can be selected for every call
type (door call, internal call, storey
call).
Door dialling
The door station can be selectively
dialled and a call established.
Door release button
The door release button on the bus
telephones always switches the DR
contact at the video set line rectifier
for 3 seconds.
Door call
When a visitor presses the door bell
button, the bus telephone rings and
the call silencing button flashes.
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Selecting a door station
The door station can be dialled by a
double click on the light button.
Time light contact
The light contact switching time at
the VSNG 850-... is 0.4 seconds in
the as-delivered status.
Important remarks prior to
programming
On principle, the compact video
SET can be commissioned and pro-
grammed by one person.
• Complete the installation
• Activate the programming mode
at the video set line rectifier
• Set the door station to the pro-
gramming mode
• Program the users
• Quit the programming mode
While the video set line rectifier is
in the programming mode, sev-
eral steps can be programmed in
sequence. There is no need to quit
the programming mode after every
operation.
Handsfree bus telephone
Picking up and replacing the receiver
are not required with handsfree bus
telephones BFSV 850-... The devices
switch to the programming mode by
pressing the light button.
Once the programming step has
been performed, the handsfree bus
telephone switches back to the idle
status. All other programming steps
are identical.