Yamaha AV-90PY Owner's Manual page 11

For the detailed information on the remote-control transmitter, refer to "REMOTE CONTROL TRANSMITTER" on the page 20.
6
PRO LOGIC
1
7
Select the center mode depending on your speaker
configuration.
(Refer to "SPEAKER CONFIGURATION" on page
5.)
CENTER
MODE
On the feature of each mode, refer to the "Note" shown
below.
8
ENHANCED
2
or
NORMAL
WIDE
PHANTOM
Flashes on and off continuosly.
9
Turn up the volume by using the remote-control
transmitter. You will hear a test tone (like pink noise)
from the left front speaker, then the center speaker,
then the right front speaker, then the rear speakers,
for about two seconds each. The display illumination
changes as shown below.
* The test tone from the left rear speaker and the right rear
speaker will be heard at the same time.
Note
In the step 7, when you select the center mode, note the
following.
For 5 speaker configuration
NORMAL: Select this mode when you use the center speaker
smaller sized than the front speakers. In this mode,
the bass tone will be output from the front
speakers.
WIDE: Select this mode when you use the center speaker
approximately same sized as the front speakers.
For 4 speaker configuration
PHANTOM: Select this mode when you do not use the center
speaker. The center sound will be output from the
left and the right front speakers.
11