Other problems when using the auto mcacc setup, Better sound using phase control, 5 minute guide 02 – Pioneer VSX-818V-K User Manual

Page 10

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5 minute guide

02

10

En

You can also choose to view the settings by
selecting individual parameters from the

Analyzed Data Check

screen:

Speaker Setting

– The size and number of

speakers you’ve connected (see page 42
for more on this)

Speaker Distance

– The distance of your

speakers from the listening position (see
page 45 for more on this)

Channel Level

– The overall balance of

your speaker system (see page 44 for more
on this)

Acoustic Cal EQ

– Adjustments to the

frequency balance of your speaker system
based on the acoustic characteristics of
your room (see page 40 for more on this)

Press

RETURN

after you have finished

checking each screen. When you’re finished,
select

SKIP

to go back to the System Setup

menu.

Other problems when using the Auto
MCACC Setup

If the room environment is not optimal for the
Auto MCACC Setup (too much background
noise, echo off the walls, obstacles blocking
the speakers from the microphone) the final
settings may be incorrect. Check for household
appliances (air conditioner, fridge, fan, etc.),
that may be affecting the environment and
switch them off if necessary. If there are any
instructions showing in the front panel display,
please follow them.

• Some older TVs may interfere with the

operation of the microphone. If this seems
to be happening, switch off the TV when
doing the Auto MCACC Setup.

Better sound using Phase
Control

This receiver’s Phase Control feature uses
phase correction measures to make sure your
sound source arrives at the listening position
in phase, preventing unwanted distortion and/
or coloring of the sound (see illustration
below).

Phase Control technology provides coherent
sound reproduction through the use of phase
matching

1

for an optimal sound image at your

listening position. The default setting is on and
we recommend leaving Phase Control
switched on for all sound sources.

Press PHASE (PHASE CONTROL) to switch

on phase correction.

Note

1 Phase matching is a very important factor in achieving proper sound reproduction. If two waveforms are ‘in phase’, they crest

and trough together, resulting in increased amplitude, clarity and presence of the sound signal. If a crest of a wave meets a
trough (as shown in the upper section of the diagram above) then the sound will be ‘out of phase’ and an unreliable sound
image will be produced.

?

Sound
source

Sound
source

Listening
position

Listening
position

Front speaker

Subwoofer

Front speaker

Subwoofer

P

H

A

S

E

C

O

N

T

R

O

L

O

F

F

P

H

A

S

E

C

O

N

T

R

O

L

O

N

AUTO/DIRECT

PHASE

ADV SURR

SOUND

RETRIEVER

STEREO/

A.L.C.

ACOUSTIC

EQ

STANDARD

DIALOG

VSX_918_818_MY.book 10 ページ 2007年12月27日 木曜日 午後4時27分

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