Dell U2711 Monitor - Manual (Page 27)

Line Out Source
Audio Configuration
Reset Audio Settings
Back
Select the source of the audio input. (HDMI/DisplayPort)
Switches between 2.0 and 5.1 audio output.
NOTE: 5.1 channel Dolby or DTS on the player is not available through DP or HDMI, there will be a warning message; “Unsupported 5.1 channel audio format. Please set the audio output on your audio player to Pulse
(PCM) if available.”
Resets your monitor audio settings to the factory defaults.
Touch to go back to the main menu.
PBP Settings This function brings up a window displaying image from another input source.
Main Window
Sub-Window
HDMI Component Composite
VGA
DVI
DisplayPort
PBP submenu when PBP OFF