CENTER ModeSpeaker Positioning
There are 3 kinds of the center modes. Select theThe installation positions of speakers differ according
desired mode suitable to your speaker system.to the size, and acoustics of the listening room. While
actually listening to a program source, try various
speaker positions to determine which layout provides
NORMAL Mode
the best surround effect.
Use this position when the center speaker is a compact
speaker which is not capable of fully reproducing bassSpeaker layout example when using DOLBY PRO
frequencies below 100 Hz. In this mode, the bass fre-LOGIC surround
quencies below 100 Hz are distributed to the front left
and right speakers.
Front speakers
Center Speaker
WIDE Mode
Use this position when the center speaker is an equiva-
lent speaker to the front left and right speakers or when
ENGLISH
it is capable of fully reproducing bass frequencies
below 100 Hz.
PHANTOM Mode
Use this position when the center speaker is not used.
The center channel sound is distributed to the left and
right front speakers.
Rear speakers
I Dolby 3 Stereo has only NORMAL and WIDE modes,
not PHANTOM mode which Dolby Pro Logic has
altogether with the former two modes.
I For best effect, do not install the rear speakers too far
behind the listening position and install them above
the level of the listenerOs ears. It is also effective to
Delay Time
direct the rear speakers toward a wall or ceiling to
further disperse the sound.
In the surround modes, the sound from the rearI When not using a center speaker with the DOLBY
speakers should be delayed slightly, relative to thatPRO LOGIC surround function, set the center mode to
from the front speakers. The optimum delay time willPHANTOM.
depend on acoustic properties, whether the walls and
furnishings reflect or absorb sound, etc.
HALL, THEATER Modes
It is recommended that you try different delay times to
obtain the best effect. The delay is digitally
synthesized, for the highest sound quality withFront (Left)Front (Right)
minimum noise and distortion.
The delay time can be set independently for each
surround mode using the DELAY TIME button, with the
current setting shown in the display.
No center speaker
Delay Time Setting
Surround ModeAdjustable Range
DOLBY PRO
15 � 30ms
LOGIC
(Left) - Rear - (Right)
HALL / THEATER15 � 50ms
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ACEC
