LG DM2350D Owner's Manual page 68

To use TV speakers
❐
SETTINGS ➾
[Depending on model]
When listening to the speakers on external audio devices connected to TV such
as home theater, TV speaker may be turned off. When there are SIMPLINK
connected home theater devices, selecting
turn on home theater.
• Off: TV speakers do not play sound. TV sounds can be played through
external audio device speakers connected to the TV.
✎ In this mode, volume adjustment can be made on the external audio
device connected to the TV.
• On: TV internal speakers play TV sound.
AUDIO ➙ TV Speaker
TV Speaker to OFF will automatically