Sony STR-DN1080 Manual page 221

Select [<LEVEL>] (Level settings) - [P. AUDIO].
2
Select the speakers to output the sound from.
3
The front 2 channel source sound is output sequentially from adjacent speakers.
Adjust the speaker level using MASTER VOLUME on the receiver.
4
Available speakers:
FL/FR (Front left/Front right)
FL/CNT (Front left/Center)
CNT/FR (Center/Front right)
FR/SR (Front right/Surround right)
SR/SBR (Surround right/Surround back right)
SR/SB (Surround right/Surround back)
SBR/SBL (Surround back right/Surround back left)
SR/SL (Surround right/Surround left)
SBL/SL (Surround back left/Surround left)
SB/SL (Surround back/Surround left)
SL/FL (Surround left/Front left)
HTL/HTR (Height left/Height right)
FL/SR (Front left/Surround right)
SL/FR (Surround left/Front right)
FL/HTR (Front left/Height right)
HTL/FR (Height left/Front right)
Note
Some items may not appear, depending on the connected speakers.
This function is canceled if you perform any operation other than the following:
Volume adjustment
Level adjustment of each speaker
Turning the muting function on/off
This function is not available when [Bluetooth Mode] is set to [Transmitter].
Hint
Select [OFF] in step 3 to disable the Phase Audio function.