LG 55LW9800 Owner's Manual page 77

Set Audio Play.
Select Repeat or Random option.
Set Audio.
Allows you to change Audio settings. (Refer to
AUDIO Settings on page 93).
The TV will not play copy protected files.
If the TV is not in use for some time during
playback, the information box as a
screensaver will appear to prevent image
burn.
To return to the Music list screen, press
ENTER.