Yamaha RX-V581 Owner's Manual page 86

Center
Selects whether or not a center speaker is connected and its size.
Settings
Select this option for small speakers.
Small
The subwoofer or front speakers will produce center channel low-
frequency components (configurable in "Crossover").
Select this option for large speakers.
Large
The center speaker will produce all of the center channel frequency
components.
Select this option when no center speaker is connected.
None
The front speakers will produce center channel audio.
Surround
Selects whether or not surround speakers are connected and their sizes.
Settings
Select this option for small speakers.
Small
The subwoofer or front speakers will produce surround channel low-
frequency components (configurable in "Crossover").
Select this option for large speakers.
Large
The surround speakers will produce all of the surround channel
frequency components.
Select this option when no surround speakers are connected.
None
The front speakers will produce surround channel audio. Virtual
CINEMA DSP works when you select a sound program.
Surround Back
Selects whether or not surround back speakers are connected and their sizes.
Settings
Select this option when one small speaker is connected.
Small x1
The subwoofer or front speakers will produce surround back channel
low-frequency components (configurable in "Crossover").
Select this option when two small speakers are connected.
Small x2
The subwoofer or front speakers will produce surround back channel
low-frequency components (configurable in "Crossover").
Select this option when one large speaker is connected.
Large x1
The surround back speaker will produce all of the surround back
channel frequency components.
Select this option when two large speakers are connected.
Large x2
The surround back speakers will produce all of the surround back
channel frequency components.
Select this option when no surround back speakers are connected.
None
The surround speakers and subwoofer (or front speakers) will produce
surround back channel audio.
Note
▪ "Surround Back" is automatically set to "None" when "Power Amp Assign" is set to other than
"Sur.Back", or when "Surround" is set to "None".
▪ "Surround Back" is not available when "Virtual CINEMA FRONT" is set to "On".
Presence
Selects whether or not presence speakers are connected and their size.
Settings
Small Select this option for small speakers.
Large Select this option for large speakers.
None Select this option when no presence speakers are connected.
Note
"Presence" is automatically set to "None" when "Power Amp Assign" is set to other than "Presence".
86
En