Sony STR-DH770 Manual page 62

AUTO: Gives priority to digital audio signals. If there are more than one digital
connection, HDMI audio signals have priority. If there is no digital audio signals,
analog audio signals are selected. When TV input is selected, priority is given to Audio
Return Channel (ARC) signals. If your TV is not compatible with the ARC function,
digital optical audio signals are selected.
OPT: Specifies input of digital audio signals to the OPTICAL IN jack.
COAX: Specifies input of digital audio signals to the COAXIAL IN jack.
ANALOG: Specifies input of analog audio signals to the AUDIO IN (L/R) jacks.
Note
Depending on the input, [INPUT MODE] may be dimmed on the display panel and other modes
cannot be selected.
Hint
You can also use INPUT SELECTOR on the receiver to select the input in step 1.
[81] Using Other Features
Using other audio input jacks (A. ASSIGN)
You can reassign the OPTICAL/COAXIAL digital audio input jacks to other input if the default
settings of the jacks do not correspond to your connected equipment.
E.g. When connecting a DVD player to the OPTICAL TV IN jack, assign the OPTICAL TV IN
jack to [BD/DVD].
This operation is only available using the display panel on the front of the receiver.
Select the input name you want to assign.
1
Press AMP MENU.
2
Select [<INPUT>] - [A. ASSIGN].
3
Select the jack you want to assign to the input.
4
Assignable audio input jacks
OPT:
BD/DVD, SAT/CATV, GAME, SA-CD/CD, VIDEO (*)
COAX:
BD/DVD, SAT/CATV, GAME, SA-CD/CD (*), VIDEO
NONE:
BD/DVD (*), SAT/CATV (*), GAME (*), SA-CD/CD, VIDEO (*)
* Default setting
Note
When you assign the digital audio input, the Input Mode setting may change automatically.
One reassignment is allowed for each input.
If no sound is output from the jacks which you have assigned, also check the Input Mode settings.
Enjoying video and sound with your desired way of use