LG PF85U - Manual (Page 90)

90 CUSTOMIZING SETTINGS
Item Description
AV Sync.
Adjust
Synchronizes video and audio directly when they do not match.
If you set
AV Sync. Adjust to ON, you can adjust the sound output
(Projector speakers or SPDIF) to the screen image.
Mode
Projector
Speaker
Adjusts the synchronization of the sound from
the Projector's internal speakers.
The + and - buttons allow the viewer to
synchronize the audio with the video.
External
Speaker
Adjusts how the sound is synced to external
speakers, such as an external speaker
connected to the digital audio output port, LG
audio device and headphone.
The + and - buttons allow the viewer to
synchronize the audio with the video.
Bypass Outputs broadcasting signals or the audio of an
external device without audio delay. Audio may
be output before video as it takes time to process
video input into the projector.
Sound Option
Setting
Balance: Adjusts left/right audio balance.