Samsung UE40ES7000U E-Manual page 16

DIGITAL AUDIO OUT (OPTICAL)
●
When you connect a Digital Audio
System to the
(OPTICAL)
of both the TV and the system.
●
Use the System speakers for audio.
●
5.1 CH (channel) audio is available when
the TV is connected to an external
device supporting 5.1 CH.
●
When the receiver (home theatre) is set
to on, you can hear sound output from
DIGITAL AUDIO OUT
jack, decrease the volume