Pioneer VSX-819H-S User Manual download pdf (Page 11)

5 minute guide 02

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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).

During multichannel playback, LFE (Low-

Frequency Effects) signals as well as low-

frequency signals in each channel are

assigned to the subwoofer or other the

subwoofer and the most appropriate speaker.

At least in theory, however, this type of

processing involves a group delay that varies

with frequency, resulting in phase distortion

where the low-frequency sound is delayed or

muffled by the conflict with other ch

ann

els.

With the Phase Control mode switched on,

this receiver can reproduce powerful bass

sound without deteriorating the quality of the

original sound (see illustration below).

Phase Control technology provides coherent

sound reproduction through the use of phase

matching

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 RECEIVER, then press PHASE 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.

• If your subwoofer has a phase control switch, set it to the plus (+) sign (or 0°). However, the effect you can actually feel when

PHASE CONTROL is set to ON on this receiver depends on the type of your subwoofer. Set your subwoofer to maximize the

effect. It is also recommended you try changing the orientation or the place of

our subwoofer.

• Set the built-in lowp ass filter switch of your subwoofer to OFF. If this cannot be done on your subwoofer, set the cutoff

frequency to a higher value.

• If the speaker distance is not properly set, you may not have a maximized PHASE CONTROL effect.

• The PHASE CONTROL mode cannot be set to ON in the following cases:

– When the PURE DIRECT mode is switched on.

– When the MULTI IN input is selected.

Sound

source

Sound

source

Listening

position

Listening

position

Front speaker

Subwoofer

Front speaker

Subwoofer

BD TV

INPUT SELECT

SOURCE

DVR

INPUT

TV CONTROL

RECEIVER

ZONE 2

ON/OFF

SB CH

S.RETRIEVER

HDD

SPEAKERS

PHASE

DISPLAY

SLEEP

MIDNIGHT

DVD

ENTER

CH SELECT

VCR

SHIFT

RECEIVER

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Pioneer VSX-819H-S User Manual Page 11

Comments to this Manuals

Pioneer VSX-819H-S User Manual Page 11

Comments to this Manuals

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