LG CineBeam Laser HF85LS Owner's Manual page 118

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[Sound Out]
The options may differ depending on the model.
Playing audio through the projector's internal speakers
(Q. Settings)
Speaker]
Audio is played through the projector's internal speakers.
Connecting and Using an Audio Device Supporting Optical
(Q. Settings)
You can connect an audio device that supports [Optical] to the optical digital
audio output port to enjoy your projector's sound in richer quality and greater
convenience.
•
Only available for models with an optical digital port.
•
You can use the projector remote control to adjust the volume of the connected
device.
Hearing Sound through an External Audio Device Connected via a HDMI (ARC)
Port
(Q. Settings)
Sound from the projector can be output through an external audio device
connected via a HDMI (ARC) port.
•
Select [HDMI ARC] to automatically turn on SIMPLINK. Once SIMPLINK is turned
off, the output speaker settings automatically revert to the default settings for
uninterrupted audio output.
[Sound] [Sound Out]
[Sound] [Sound Out]
[Sound] [Sound Out]
[Internal Projector
[Optical]
[HDMI ARC]