Bosch Security Systems | 2007-11 | 9922 141 70691 en
DCN Wireless
| Installation and User Instructions | Contribution Devices
en
| 75
14.3.3 Channel/volume restore function
When the configuration switches are in the correct
position (refer to table 14.1), you can enable or disable
the channel/volume restore function of the headphones
connection of the wireless discussion unit.
•
To enable the channel/volume restore function of
the headphones, push the
>
volume button. (The
LED around the microphone buttons come on as
green.) When the wireless discussion unit is enabled,
it automatically sets the last known volume and
channel.
•
To disable the channel/volume restore function of
the headphones, push the
<
volume button. (The
LED around the left microphone button comes on as
red.) When the wireless discussion unit is enabled, it
automatically sets the channel to floor, and the
volume to -18 dB.
For example, you can enable this function in discussions
in which the delegates and chairmen always use the
same wireless discussion unit.
14.3.4 Headphones level reduction
When the configuration switches are in the correct
position (refer to table 14.1), you can enable or disable
the headphones level reduction of the wireless
discussion unit.
•
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.
•
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.
For example, you can enable this function to avoid
acoustic feedback between the microphone and the
headphones of the wireless discussion unit.
Note
When the wireless 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.
Note
When the wireless discussion unit is in the dual
delegate mode (refer to section 14.4.5) 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.
Note
When the wireless discussion unit has two sets
of volume buttons, configure the headphones
level reduction with the right set of volume
buttons. The headphones level reduction
function cannot be configured with the left set of
volume buttons.
