Optimus 31-3042 - Manual (Page 43)

22
Using Advanced Sound Options
Sound 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 the Dolby Pro Logic Surround or Dolby 3CH Logic mode.
On the remote control, press
SURROUND then CENTER MODE . Each time you
press CENTER MODE , the setting changes: NORMAL , WIDE , PHANTOM , or
3chLOGIC .
NORMAL — For a small center speaker. The front left and right speakers play
the center-channel bass sounds.
WIDE — For a medium or large center speaker. The center speaker plays the
center-channel bass sounds.
PHANTOM — For no center speaker. All center-channel sound comes from the
front left and right speakers.
3chLOGIC — For no rear speakers. The rear channel’s sound is sent to the
front left and right speakers.
Test Tone
The test tone lets you balance the signal levels between all your speakers. To
adjust the levels, see “Center Level” and “Rear Level.”
To turn on the test tone, select one of the surround sound modes ( PRO LOGIC ,
THEATER 1 , THEATER 2 , or 3chLOGIC ) then press SURROUND . Then press
TEST TONE . The receiver sounds a 2-second tone from the front left, center, front
right, and surround (rear) speakers, in sequence. Lch , Cch , Rch , and Sch
appear as the test tone sounds.
The center test tone sounds and Cch appears only when you select Normal ,
Wide , or 3CH Logic .
If you select 3CH Logic , the receiver sounds the 2-second tone from the left,
center, and right speakers, in sequence.
Press TEST TONE again to turn off this feature.
Center Level
Press – CENTER LEVEL + to adjust the center speaker sound level.
Rear Level
Press – REAR LEVEL + to adjust the rear speakers’ sound level.
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.