Samsung LS20TDNSUV-ZA - Manual (Page 46)

Equalizer
You can adjust the left and right sound balance and the low or high volume as required.
MENU → , → → , → → , , , → → MENU,EXIT
Multi-Track Options
Preferred Language
You can select the audio language.
(Available in DTV Mode Only)
MENU → , → → , → → → , → → MENU,EXIT
Adjusting the Monitor