Adjusting Speaker Level Balance - Aiwa AV-D55 Operating Instructions Manual

ADJUSTING SPEAKER LEVEL
BALANCE
L--
L—.——l
2,4
3
The
unit is equipped with a built-in test signal generator called a
noise sequencer for easy balance adjustment of all five 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 t?ach channel.
1
2
*1
*2
Se!lect the Dolby Pro Logic mode according to
your current type and placement of the speakers.
(See
page 15.)
Press the MANUAL SELECT button on the remote
control and hold it down for about two seconds
until "L" of "L/R OdB" starts to flash.
A noise signal is sent to each channel in turn as follows:
DC)LBY PRO LOGIC NORMAL or' WIDE mode
+
I-JROdB(Left front speaker~'
4
CEN OdB (Center speaker)
+
UF OdB(Right front speaker)* 1
S-F{OdB(Right surround speaker)'
4
S-L
OdB (Left surround speaker)* 2
DC)LBY PRO
LOGIC PHANTOM
mode
L
+UROdB*l+ UROdB*l
- S-L OdB*2~
S-R OdB*2 J
3
STEREONORMALor WIDE mode
~
UR OdB*l+ CEN OdB + UR OdB*lq
"L"or "R"flashes to indicate one of the front speakers from which
the noise signal is output.
The noise signal is output from the L and R surround speakers at
3
4
the noise signal.
When adjusting the speakers level balance of the Dcjlby
lPro
Logic, those of the DSP and 5.1 CH modes are 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 Surrollnd speakers enharm? the "olepth" of
the sound field.
To change the $urrouncl speakers delay time of the Dolby
Pro Logic mode
The surround speakers reproduce sounds a split second a[ter
the front speakers. The delay is initially !>et to 20 ms
(milliseconds).
To change this standard delay time, press the MANUAL SELECT
button on the remote control repeatedly so that "'TlME20mS" is
displayed. Then, press the UP or DOWN button. Each time one
of the buttons is pressed, the delay time changes as shown belDw.
To adjust the speakers level balance while Iistelning to
the source (Dolby Pro lLogic and 5,1
CH
modes)
The speakers level balance can be changed after adjusting it
with the noise sequencer. The balance can be changed
whenever the Dolby Pro Logic system is turned on or the 5.1
CH function is selected.
1
2
3
Play a disc or video software recorded in Dolby Pro Logic or
Dolby Digital Surround.
Press the MANUAL SELECT button on the remote control
repeatedly so that "L/R", "CEN", "S-L" or "S-R appears on the
display.
Press the UP or DOWN button while the speaker name to be
adjusted is displayed.
the same time.
ENGLI'SH f
6