Bosch DCN Next Generation Operation Manual page 209

Conference System
Microphone sensitivity
When the configuration switches are in the correct position, you can adjust the microphone
sensitivity of the discussion unit between -2 dB and 2 dB.
–
–
–
Value in dB
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
Table 7.28: Microphone sensitivity adjustment
Notice!
When the discussion unit has two sets of volume buttons, configure the microphone
sensitivity with the right set of volume buttons. The microphone sensitivity cannot be
configured with the left set of volume buttons.
Channel/volume restore function
When the configuration switches are in the correct position, you can enable or disable the
channel/volume restore function of the discussion unit and of the headphones connection of
the wireless discussion unit.
–
–
Notice!
When the discussion unit has two sets of volume buttons, configure the channel/volume
restore function with the right set of volume buttons. The channel/volume restore function
cannot be configured with the left set of volume buttons.
For example, you can enable this function in discussions in which all delegates and chairman
have a fixed seat number or discussion unit.
Headphones level reduction
When the configuration switches are in the correct position, you can enable or disable the
headphones level reduction of the discussion unit.
Bosch Security Systems B.V.
To increase the microphone sensitivity with 0.5 dB, push the > volume button.
To decrease the microphone sensitivity with -0.5 dB, push the < volume button.
The color of microphone button LED indicates the microphone sensitivity.
To enable the channel/volume/headphones restore function, push the > volume button.
(The LED around the microphone buttons come on as green.) When the discussion unit is
enabled, it automatically selects the last known channel and volume.
To disable the channel/volume restore function, push the < volume button. (The LED
around the left microphone button comes on as red.) When the discussion unit is
enabled, it automatically selects channel 0 (floor) and sets the volume to -18 dB.
Color of microphone button LED
Red
Off
Orange
Off
Yellow
Off
Light Green
Off
Green
Operation Manual
Configuration | en 209
2013.11 | V2.0 | DCN-NG_OM_V4.x