Technical data

DCN-D Conference Delegate Units Configuration | en 17
Bosch Security Systems B.V. Installation and Operation manual F.01U.265.631 | V1.0 | 2012.03
7.3.1 Microphone sensitivity
1. Put the microphone sensitivity switches I and II (12) in the correct position (refer to
Table 7.1 and Figure 7.2):
– The microphone sensitivity can be adjust between -2 dB and 2 dB.
2. Push the > volume button (3) to increase the microphone sensitivity with 0.5 dB.
3. Push the < volume button (3) to decrease the microphone sensitivity with -0.5 dB.
The color of microphone button LED indicates the microphone sensitivity:
Table 7.2 Microphone sensitivity adjustment indication
7.3.2 Channel/volume restore function
For example, you can enable this function in discussions in which all delegates and chairman
have a fixed seat number or delegate unit:
1. Put the channel/volume restore function 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 microphone LED above the microphone button come on as green.
– The last known channel and volume level is automatically set.
3. Push the < volume (3) button to disable:
– The LED above the microphone button come on as red.
– The channel 0 (floor) is automatically set.
– The volume is automatically set to -18 dB.
Value in dB Color of microphone button LED
-2.0 Red
-1.5 Off
-1.0 Orange
-0.5 Off
0.0 Yellow
0.5 Off
1.0 Light Green
1.5 Off
2.0 Green