DCN Wireless Installation and User Instructions Contribution Devices
en 80
14.3.3 Volume restore function
When the configuration switches are in the correct position (refer to table 14.1), you can enable or disable the volume restore function of the headphones connection of the wireless discussion unit.
•To enable the 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.
•To disable the 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 volume to
Note
When the wireless discussion unit has two sets of volume buttons, configure the volume restore function with the right set of volume buttons.
The volume restore function cannot be configured with the left set of volume buttons.
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.
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.
•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.
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.
For example, you can enable this function to avoid acoustic feedback between the microphone and the headphones of the wireless discussion unit.
