Sharp HT-SB300 Operation Manual page 25

Connecting a digital tuner, etc.
Connect to the digital tuner, etc. using an optical digital audio
cable or a coaxial digital audio cable.
To select DIGITAL 1 (coaxial input) or DIGITAL 2 (optical
input) function:
On speaker: Press FUNCTION button repeatedly until "d1" or
"d2" is displayed.
On remote control: Press DIGITAL 1 or DIGITAL 2 button and
"d1" or "d2" is displayed.
To coaxial digital audio output
socket
To the TV (video)
Coaxial digital audio cable
(commercially available)
To COAXIAL
input socket
Speaker
Note:
When connecting with an optical digital cable, set the digital
output of the digital tuner to PCM. Refer to the operation manual
of the digital tuner.
HT-SB300
ENGLISH
To optical digital
audio output
socket
Optical digital
audio cable
(commercially
available)
To OPTICAL
input socket
E-12