LG BH6720S - Manual (Page 23)

Connecting 23
C
onnecting
2
OPTICAL IN connection
You can enjoy the sound from your component
with a digital optical connection through the
speakers of this system.
Connect the optical output jack of your component
into the OPTICAL IN jack on the unit. And then
select the [OPTICAL] option by pressing FUNCTION
and ENTER (b). Or press OPTICAL to select directly.
You can also use the F (Function) button on the
front panel to select the input mode.
To the digital
optical output jack
of your component
Rear of the unit