User Manual Ver.1.0 (English)
Page 588
Then, connect the DIGITAL AUDIO OUT (OPTICAL) port on the Home Theater. -- Anynet+ Device 1 or 2) directly to your DVD player, Satellite Box, etc. (i.e. To hear 5.1 channel audio, connect HDMI cables to the Home Theater, not the TV. (OPTICAL) port on your TV and the Digital Audio Input on your Anynet+ DVD player, satellite box, etc.
Then, connect the DIGITAL AUDIO OUT (OPTICAL) port on the Home Theater. -- Anynet+ Device 1 or 2) directly to your DVD player, Satellite Box, etc. (i.e. To hear 5.1 channel audio, connect HDMI cables to the Home Theater, not the TV. (OPTICAL) port on your TV and the Digital Audio Input on your Anynet+ DVD player, satellite box, etc.