Bosch DCN Next Generation Installation & User's Instructions page 171

DCN Next Generation | Installation and User Instructions | Flush-mounted Devices
21.4.4 Dual delegate, one microphone
When the dual delegate interface is in the dual delegate
with one microphone mode, it acts as a delegate device
for 2 delegates, who share 1 audio input. The two
delegates can enable or disable the audio input with
their own microphone buttons. Refer to figure 21.6 for a
typical example.
Note
You must close the solder spot of the
DCN-FMIC (refer to section 22.3) when:
• You connect a DCN-FMIC to the dual
delegate interface and
• The dual delegate interface is in the dual
delegate with one microphone mode.
21.4.5 Dual delegate with both
loudspeakers muted
This mode is the same as the dual delegate mode (see
section 21.4.2), but both loudspeakers are muted when
one of the microphones is active. This prevents
unnecessary feedback in the system. Refer to figure 21.4
for a typical example.
21.4.6 Single delegate
When the dual delegate interface is in the single
delegate mode, it acts as a delegate device for 1
delegate. Refer to figure 21.7 for a typical example.
You can connect an optional DCN-FMICB Microphone
Control Panel. The delegate can use the microphone
control panel as an auxiliary button. For example, to
activate an indicator.
Note
The delegate can push the auxiliary button to
start an event. Use the Open Interface to
program the event (refer to the applicable
Software User Manual).
Bosch Security Systems | 2007-02 | 9922 141 70525
21.4.7 Loudspeakers always active
By default the loudspeaker is muted when the
corresponding microphone is active. This prevents
unnecessary feedback in the system. However, to
deactivate muting, connect the solder spots for the
relevant loudspeaker (refer to table 21.4 and figure
21.3).
table 21.4: Solder spots
Solder spot Open
(X13) Left loudspeaker
muted when
microphone
active
(X12) Right
loudspeaker
muted when
microphone
active
X12
X12
X13
X13
figure 21.3: Internal top view
21.4.8 Entrance unit
When the dual delegate interface is in the entrance unit
mode, it acts as a device that is used at the entrance of
the room to create a presence list. Refer to figure 21.8
for a typical example.
21.4.9 Exit unit
When the dual delegate interface is in the exit unit
mode, it acts as a device that is used at the exit of the
room to keep the presence list complete. Refer to figure
21.8 for a typical example.
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Soldered
Left loudspeaker
always active
Right loudspeaker
always active
BLUE
X2
WHITE
SCREEN
V88 V87
L19
X11
R76
C143
B1
X10
+
C141
L7
V85 V86
C167
D20
R157 C58
R239
R293
V65
C59
L27
V63
S4
C270 C226
X9
R
R144
V60
L26
L41
L24
R155
D22
L29
R243
S3
V62
X8 R
L35
R245
V61
L28
L25
R158