Sony STR-DH770 Manual page 17

Select the speaker pattern from the [<SPEAKER>] menu on the display panel according to the
speaker configuration which you are using.
Speaker configuration
5.1-channel
7.1-channel using
surround back speakers
7.1-channel using front
high speakers
5.1-channel with bi-
amplifier connections
5.1-channel with front B
speaker connection
You can only set [SB ASSIGN] if the speaker pattern is set to a setting that does not have surround back and
*
front high speakers.
[15] Preparation 2. Connecting speakers
Connecting 5.1-channel speaker system
Connect each speaker as illustrated below.
Before connecting cables, be sure to disconnect the AC power cord (mains lead).
For details on how to connect speaker cables to the receiver, see "How to connect speaker
cables."
Monaural audio cable (not supplied)
Speaker cable (not supplied)
After you have made the connections, set [Speaker Setting] - [Surround Back Speakers Assign]
to [None Speaker] from the home menu.
Hint
You can also set the assignment for the surround back speaker terminals on the display panel. Set
[SB ASSIGN] to [OFF] in the [<SPEAKER>] menu.
You can only set [SB ASSIGN] if the speaker pattern is set to a setting that does not have surround
back and front high speakers.
[SB ASSIGN] setting on
the display panel (*)
[OFF]
-
-
[BI-AMP]
[SPK B]
Speaker pattern to be selected in
the [<SPEAKER>] menu
[3/2.1]
[3/4.1]
[5/2.1]
[3/2.1]
[3/2.1]