–
To enable the headphones level reduction, push the > volume button. (The LED around
the left microphone button comes on as green.) When the microphone is enabled, the
headphones level reduction is 18 dB.
Notice!
When the discussion unit is in the dual delegate mode (refer to chapter “Dual delegate” in
this section) and the headphones level reduction is enabled:
The signal that is sent to the left headphones socket is decreased when the left microphone
button is pushed. The signal that is sent to the right headphones socket is not decreased.
The signal that is sent to the right headphones socket is decreased when the right
microphone button is pushed. The signal that is sent to the left headphones socket is not
decreased.
To disable the headphones level reduction, push the < volume button. (The LED around the
left microphone button comes on as red.) When the microphone is enabled, there is no
headphones level reduction.
Notice!
When the discussion unit has two sets of volume buttons, configure the headphones level
reduction with the right set of volume buttons. The headphones level reduction cannot be
configured with the left set of volume buttons.
For example, you can enable this function to avoid acoustic feedback between the microphone
and the headphones of the discussion unit.
Discussion unit Modes
With the configuration switches on the bottom of the discussion unit, you can configure the
mode of the discussion unit. Each type of discussion unit can operate in a number of modes.
To configure the mode of a wireless discussion unit, it is necessary to remove the battery
pack. Use the following procedure.
1.
In case of DCN-WD, remove the battery pack from the wireless discussion unit. In case of
DCN-DIS disconnect the unit from the system.
Notice!
When you do not remove the battery pack, you can cause an incorrect operation of the
wireless discussion unit.
2.
Change the mode of the discussion unit.
3.
Re-install the battery pack in the DCN-WD (refer to DCN-WD Discussion Units (wireless),
page 129). Or, connect the DCN-DIS
I
II
Mode
1
1
Single delegate
1
3
Chairman
3
1
Dual delegate
3
3
Single delegate with auxiliary control
Table 7.29: Modes
Refer to DCN-DIS and DCN-WD Discussion units, page 96 for how to change the button.
210 en | Configuration
Conference System
2013.11 | V2.0 | DCN-NG_OM_V4.x
Operation Manual
Bosch Security Systems B.V.
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