LG PA77U Owners Manual - Page 96
LG Sound Sync, Digital Sound Out
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96 CUSTOMIZING SETTINGS Item Volume Mode Sound Out Description Sets various modes for volume control. Mode Auto Volume Sets Auto Volume to On. The volume varies from channel to channel and program to program. When clicking through the channels, the volume is adjusted automatically to maintain the same level. Volume Control Using a single volume curve may result in an inaudible or loud sound depending on the environment. Adjusts volume levels depending on the time of day (day/night). Sets the audio output of the projector. Mode Projector Sound is output through the projector speaker. Speaker External Sound is output through the speaker connected Speaker to the optical port. SIMPLINK is supported. (Optical/HDMI yyDigital Sound Out: Sets up Digital Sound ARC) Output. LG Sound Sound is output through an LG audio device Sync (Optical) connected to the optical digital audio output port. LG Sound Sync Sound is output through a wirelessly connected (Wireless) LG audio device. Headphone Sound is output through headphones. yyHeadphones are detected and connected automatically when the projector is on.