Operation
173
Ope
rat
io
n
3.5.7 TwinBus compact intercom unit 1 7132
1)
Optionally with switching device 1 4981, e. g. switch light.
Function
Activity
Result
Trigger call signal
(ring)
RiTTO
Call tone
sounds
and
flashes
Operate door
opener
press.
Door opener switches
Establish voice
connection to door
station
press and hold
RiTTO
2
Voice connection
active for
1 min
Disconnect voice
connection at door
station
Release button
RiTTO
2
Voice connection
active for
1 min
Cancel voice
connection
press.
RiTTO
2
Voice connection
cancelled
Switch on/off
call signal
(call switch-off)
press briefly
illuminates
press briefly
Call tone sounds
Select calling tone
melody
+
press and
hold
press
repeatedly
Call tone
changes
Adjust
colour saturation
press and
hold
Volume has been
adjusted
1)
Switch additional
function (e.g.
staircase light)
+
press and
hold
press.
Switching device
switches
Summary of Contents for TWINBUS
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Page 41: ...Installation Assembly connection and start up 41 Installation 00042 0 ...
Page 156: ...Installation Installation Assembly connection and start up 156 ...
Page 193: ...Notes 193 ...
Page 194: ...Notes 194 ...
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