Denon AVR-990 Owner's Manual page 14

ENGLISH
Installing/Setting the Speakers
s Set the "Amp Assign" Mode According to the Speaker Layout
The signals output from the AVR-990's SURR. BACK/AMP ASSIGN speaker terminals can be switched (vpage 33 "Amp Assign").
Amp assign SURR. BACK /
mode AMP ASSIGN
(vpage 33) Speaker connections
Normal
Surround Back
Speakers
Surround Back L
Speaker
b Connect to the "L"
Normal
speaker terminal.
Set "Surround Back"
b
(vpage 33)
"1spkr".
Not connected
Normal
Set "Surround Back"
b
(vpage 33) to
"None".
ZONE2
ZONE2 speakers
(Default)

Example of speaker installation
(Number of channels played)
(7.1)
to (6.1)
(5.1)
MAIN ZONE ZONE2
(5.1)
Amp assign SURR. BACK /
mode AMP ASSIGN
(vpage 33) Speaker connections
Front A or B
speakers
Front A Bi-Amp
or
For
b
Front B Bi-Amp
see "About
Connections" (vpage
12).
Front height
Front Height
Speakers
(2)
Example of speaker installation
(Number of channels played)
connections,
Bi-amp
(5.1)
(7.1)