Optimus 31-3040 Stereo Receiver User Manual


 
2
2
Using Advanced Sound Options
S
ound Mode Adjustments
(
Remote Control Only)
Center Mode Setting
The center mode setting affects the center channel’s bass signals. It operates
only when you select Dolby Pro Logic Surround Sound. Each time you press
CENTER MODE
on the remote control, the setting changes and the receiver dis-
plays:
NORMAL
,
WIDE
,
PHANTOM
, or
3CHLOGIC
.
NORMAL
— Select this mode if you use a small center speaker. The front left
and right speakers play the center-channel bass sounds.
WIDE
— Select this mode if you use a medium or large center speaker. The
center speaker plays the center-channel bass sounds.
PHANTOM
— Select this mode if you have no center speaker. All center-chan-
nel sound is sent to the front left and right speakers.
3CHLOGIC
— Select this mode if you do not have rear speakers. The rear
channel’s sound is sent to the front left and right speakers.
Test Tone
This feature provides a test tone that lets you balance the signal levels between
all your speakers. See “Center Level” and “Rear Level.”
To activate the test tone, select one of the surround sound modes and set
AU-
DIO/VIDEO
on the remote control to
AUDIO
. Then press
TEST TONE
. The receiver
sounds a 2-second tone from the front left, center, front right, and rear speakers,
in sequence.
Notes:
The center test tone sounds only when you select the Dolby Pro Logic
Surround (except PHANTOM) or 5-D Pro Logic sound mode.
In the Dolby 3CH Logic sound mode, the receiver sounds a 2-second
tone from the left, center, and right speakers, in sequence.
Press
TEST TONE
again to turn off this feature.
Center/Rear Levels
Press
CENTER LEVEL
–/+
to adjust the center speaker sound level.
Press
REAR LEVEL –/+
to adjust the rear speakers’ sound level.
Both
CENTER LEVEL
and
REAR LEVEL
work only for the sound system that sup-
ports the center or rear speakers. For example,
REAR LEVEL
does not work for
Dolby 3CH Logic.
Note:
If you do not use a center speaker,
the monaural signals are only repro-
duced if you select PHANTOM.
Note:
Use the
VOLUME
control to adjust
the overall sound level.