Aiwa AV-D55 manual Adjusting Speaker Level, Balance, STEREONORMALor WIDE mode, the noise signal

ADJUSTING SPEAKER LEVEL	3
BALANCE

2,4

3

L--L—.——l

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 Se!lect the Dolby Pro Logic mode according to your current type and placement of the speakers. (Seepage 15.)

2Press 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-LOdB (Left surround speaker)* 2

DC)LBY PRO LOGIC PHANTOMmode

+UROdB*l+ UROdB*l

L- S-L OdB*2~ S-R OdB*2J

3STEREONORMALor WIDE mode

~ UR OdB*l+ CEN OdB + UR OdB*lq

*1 “L”or “R”flashes to indicate one of the front speakers from which the noise signal is output.

*2 The noise signal is output from the L and R surround speakers at the same time.

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.

1Play a disc or video software recorded in Dolby Pro Logic or Dolby Digital Surround.

2Press the MANUAL SELECT button on the remote control repeatedly so that “L/R”,“CEN”,“S-L”or “S-Rappears on the display.

3Press the UP or DOWN button while the speaker name to be adjusted is displayed.

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