Samsung PL64E8000GFXZP - Manual (Page 102)

limited.
N
If there is no video signal, both
the TV’s speakers and the external
speakers will be mute.
●
Auto Volume
Because each station has its own
broadcasting conditions, the volume
may fluctuate each time you change
the channel. This feature automatically
adjusts the volume of a channel by
lowering the sound output when the