Samsung 400TS-3 - Manual (Page 126)

Emphasizes high frequency audio.
Balance
Allows you to Adjusts the sound balance between the left and right speakers.
Auto Volume
Reduces the difference in volume control between broadcasters.
1. Off
2. On
SRS TS XT
SRS TS XT is a patented SRS technology that solves the problem of playing 5.1 multichannel content
over two speakers. TruSurround XT delivers a compelling, virtual surround sound experience through
any two-speaker playback system, including internal television speakers. It is fully compatible with
all multichannel formats.
1. Off
2. On
Sound Select
Enable the sound of either the primary or secondary display in PIP mode.
Adjusting the LCD Display