14USB 3.0 HZ-3A Docking Station User GuideEnglishSetting up the audio outputMicrosoft’s audio system restricts the audio function to one output at a time. Hence, when using theUSB HDMI display device, only one output will receive audio.The following explains how to set up and change the default audio output from the display deviceconnected with your docking station.1. Go to Control Panel > Hardware and Sound> Change system sounds. The Sound screenappears.2. Click the Palyback tab. Right-click in thescreen and click Show Disabled Devices.3. Right click the device you want to use as yourdefault audio output, and select Enable.4. Highlight that device and click Set Default.5. Click Apply or OK to save the changes.