LG PF80G User Guide

54

Sets the audio output of the projector.
Mode
Projector 

Sound is output through the Projector speaker.

Sound is output through the speaker connected to 
the optical port. SIMPLINK is supported.

y

y

ARC Mode: External audio devices can be 

connected via High-Speed HDMI

®

 cable without 

an extra optical audio cable to output SPDIF. It 
interfaces with SIMPLINK. 
For an external device that supports ARC (Audio 
Return Channel), connect it to the 

1(ARC) port.

y

y

Digital Sound Out: Sets up Digital Sound 

Output.

Sound is output through an LG audio device 
connected to the 

OPTICAL DIGITAL AUDIO OUT 

port.

Sound is output through a wirelessly connected 
LG audio device.

Sound is output through headphones.

y

y

Headphones are detected and connected 
automatically when the projector is on.

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 

Adjusts the synchronization of the sound from the 
projector's internal speakers.
The 

- button makes the sound output faster and 

the 

+ button slower than the default value.

Sends the natural sound of external devices 
without any audio delay. Audio may be output 
before video as it takes time to process video 
input into the Projector.

Balance: Adjusts left/right audio balance.