Samsung UN46ES6100GXZE - Manual (Page 107)

of a broadcast or movie through an
external receiver, you may hear a
sound echo caused by the difference
in decoding speed between the TV’s
speakers and the speakers attached to
your audio receiver. If this occurs, set
the TV to External Speaker .
N When Speaker Select is set to
External Speaker , the TV’s speakers
are turned off. You will hear sound
through the external speakers only.