Instruction manual

"No": When speakers are not connected to Zone 3 speaker terminals
In any of the following cases, this setting will be set to "No".
"Front Speakers Type" is set to "Bi-Amp".
"Height 1 Speakers Type" is set to the one other than "Not Use".
"Powered Zone 2" is set to "No".
For impedance, check the indications on the back of the speakers or their
instruction manual.
Speaker Configuration
Allows you to change the speaker configuration such as presence or not of
each speaker, crossover frequency, and so on. Settings are automatically
configured if you use the Automatic Speaker Setup. Audio will not be output
while you are making this setting.
Subwoofer
Default Value: 2 ch
Set the PRE OUT SW jacks which output audio signals.
"1ch": Only the PRE OUT SW1 jacks output audio signals.
"2ch": Both the PRE OUT SW1 jacks and the PRE OUT SW2 jacks
output audio signals.
"No": Neither the PRE OUT SW1 jacks nor the PRE OUT SW2 jacks
output audio signals.
Front
Default Value: 80Hz(THX)
Select the crossover frequency from "40Hz" to "200Hz" to start
outputting frequencies for each channel.
"Full Band": Full band will be output.
"Front" will be fixed to "Full Band" if "Subwoofer" is set to "No", and
the bass frequencies of the other channels will be output from the
front speakers. To make the settings, refer to the instruction manual
of the speakers used.
Center
Default Value: 80Hz(THX)
Select the crossover frequency from "40Hz" to "200Hz" to start
outputting frequencies for each channel.
"Full Band": Full band will be output.
"None": When no compatible speaker is connected