Headphone Setup - LG M2080D Owner's Manual

HEADPHONE SETUP

You can listen to sound through headphones plugged into the headphone jack.
Plug the headphone into the headphone socket (H/P).
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To adjust the headphone volume, press the VOL + or - button. If you press the MUTE button,
the sound from the headphone is switched off.
NOTE
AUDIO menu items are disabled when headphones are connected.
Optical Digital Audio Out is not available when headphones are connected.