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ADJUSTING SPEAKER LEVEL
BALANCE
4 Press the MANUAL SELECT button again to stop
the noise signal.
1
3
1
2,4
2,4
BALANCE
The unit is equipped with a built-in test signal generator called a
noise sequencer for easy balance adjustment of all four channels.
The sequencer outputs a noise signal that "travels" from channel
to channel, enabling the simple adjustment of sound level to
achieve the same apparent loudness, at your listening position,
from each channel.
1 Select the Dolby Pro Logic mode according
to
your current type and placement of the speakers.
(See
page 12.)
2 Press the MANUAL SELECT button and hold it
down for about two seconds
until "L TEST"
appears.
A noise signal is sent to each channel in turn as follows:
DOLBY PRO LOGIC NORMAL or WIDE mode
r
L TEST (Left speaker)~TEST
R: (Right speaker
u
SUR: (Surround speaker)~
CEN: (Center speaker)
3
DOLBY PRO LOGIC PHANTOM mode
L TEST-TEST
R-SUR
3CH LOGIC NORMAL or WIDE mode
L TEST+TEST
RaCEN
Adjust
the
sound
level
of the center
and
(or)
surround speakers.
While "CEN" or "SUR" is displayed,
press the UPA
or
DOWNY button to adjust the volume of the center or surround
speakers to match the level of the left and right speakers.
If the surround speakers volume of the DSP is changed (see
page 8), the Dolby Pro Logic surround speakers level is also
changed.
About the channels
The left and right speakers create the stereo effect.
The center speaker helps achieve precise sound positioning
over a broad sound field.
The rear-mounted surround speakers enhance the "depth" of
the sound field.
To change the delay time
The surround speakers reproduce sounds a split second after
the front
speakers.
The delay
is initially
set to 20 ms
(milliseconds).
To change this standard delay time, press the MANUAL SELECT
button twice or three times so that "TIME is displayed. Then,
press the
UPA
or DOWNT button. Each time one of the buttons
is pressed, the delay time changes as shown below.
15ms
~
20ms ++
30ms
To change the sound levels after adjusting the balance
with the noise sequencer
The sound levels of the center and surround speakers can be
adjusted during play of a laser disc or video software.
1 Press the MANUAL SELECT button once or twice to select
"CEN" or "SUR" (center or surround).
2 While the "CEN" or "SUR is displayed, press the UPA or
DOWNV button to adjust the volume.
To adjust the balance between the left and right speakers,
use the BALANCE control while "L TEST" or "TEST R is
displayed.
13
ENGLISH
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