User Guide for the VC400 Video Conferencing System62 Line Output (speakerphone connected to the Line Out port on the VC400 codec) VCS Phone (VCP40 phone) Line out+HDMI (speakerphone connected to the Line Out port on the VC400codec+ built-in speakerphone of the display device)To configure the audio output device via the remote control:1. Press (Menu soft key) to enter main menu.2. Press or to select the Video & Audio menu.3. Press or to scroll to Audio Settings, and then press .4. Select desired audio output device from the pull-down list of Audio Output.5. Press (Save soft key) to accept the change.Audio output device can be configured via the web user interface at the pathSetting->Video & Audio->Audio Output.By default, Auto is selected as the audio input device. All available audio input devicescan be used during a call. If the VCS phone is selected as the audio input device andthe Audio In port on the VC400 codec is connected to the VCP40 phone, the system willuse the VCP40 phone as audio input device. You can configure which audio input deviceis to be used according to the current environment. The system supports the followingaudio input devices: Auto (use all available audio input devices) Line Input (microphone connected to the Line In port on the VC400 codec) VCS Phone (VCP40 phone)