V7 UDDS-1 Manuel De L'utilisateur page 17

5
By default, when the docking station is connected to a computer, the audio configuration may be changed to USB (Multimedia)
Audio Device automatically (this setting depends on models). If it does not work, follow the steps below to setup.
Windows 7/8
1. Open Control Panel and then select the hardware and sound icon.
2. Click Sound > Manage audio devices and then select USB Audio Device or Displaylink Audio
15