LG 55LN575S.AEE User Manual page 58

To use Sound Option Setting
❐
[Depending on model]
SMART ➾
❌ Analogue Out
[Depending on model]
Allows the user to select the
depending on the device connected.
❌ Balance
[Depending on model]
Adjusts left/right audio balance.
Settings ➙ SOUND
Headphone
➙ Sound Option Setting
or External Speaker (Audio Out) menu