18
en | Configuration
DCN-D Conference Delegate Units
F.01U.265.631 | V1.0 | 2012.03
Installation and Operation manual
Bosch Security Systems B.V.
7.3.3
Headphones level reduction
For example, you can enable this function to avoid acoustic feedback between the
microphone and the headphones of the delegate unit:
1.
Put the headphones level reduction switches I and II (12) in the correct position (refer to
Table 7.1
and
Figure 7.2
):
–
The function can be enable or disabled.
2.
Push the > volume button (3) to enable:
–
The LED above the microphone button come on as green.
–
When the microphone is enabled, the headphones level reduction is 18 dB.
3.
Push the < volume button (3) to disable:
–
The LED above the microphone button come on as red.
7.4
Delegate unit modes
The delegate unit mode switches I and II (12) are located at the bottom side of the delegate
unit.
Each type of delegate unit can operate in a number of modes:
Table 7.3
Delegate unit mode overview
Figure 7.3
Delegate unit mode switches
Switch: I
Switch: II
Mode
1
1
Single delegate
Refer to
Section 7.4.1 Single delegate
.
1
3
Chairman
Refer to
Section 7.4.2 Chairman
.
3
3
Single delegate with auxiliary control
Refer to
Section 7.4.3 Single delegate with
auxiliary control
.
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