Yamaha RX-V657 Manuel télécharger pdf (Page 28)

AUTO SETUP

This receiver employs YAMAHA Parametric Room

Acoustic Optimizer (YPAO) technology which lets you

avoid troublesome listening-based speaker setup and

achieves highly accurate sound adjustments. The supplied

optimizer microphone collects and analyzes the sound

your speakers produce in your actual listening

environment.

• Please be advised that it is normal for loud test tones to be

output during the auto setup procedure.

• If auto setup stops and error messages appear on the screen,

follow the troubleshooting on page 28.

YPAO performs the following checks and makes

appropriate adjustments to give you the best possible

sound from your system.

WIRING:

Checks which speakers are connected and the polarity of

each speaker.

SIZE:

Checks the speakers frequency response and sets the

crossover/high cut frequency for the subwoofer to improve

the sound relationship between the speakers and the

subwoofer.

DISTANCE:

Checks the distance of each speaker from the listening

position and adjusts the delay of each channel so that the

sound from each speaker reaches the listening position at

the same time.

EQUALIZING:

Adjusts frequency and levels of each channel’s parametric

equalizer to reduce coloration across the channels and

create a cohesive sound field. This is particularly

important if you use different brands or sizes of speakers

for some channels or have a room with unique sonic

characteristics.

YPAO equalizing calibration incorporates three

parameters (frequency, level and Q factor) for each of the

seven bands in its parametric equalizer to provide highly

precise automatic adjustment of frequency characteristics.

LEVEL:

Checks and adjusts the sound level (volume) of each

speaker.

1 Connect the supplied optimizer microphone

to the OPTIMIZER MIC jack on the front

panel.

• After you have completed the auto setup procedure, be sure to

disconnect the optimizer microphone.

• The optimizer microphone is sensitive to heat.

– Keep it away from direct sunlight.

– Do not place it on top of this unit.

2 Place the optimizer microphone on a flat

level surface with the omni-directional

microphone head upward, at your normal

listening position.

If possible, use a tripod (etc.) to affix the optimizer

mic at the same height as your ears would be when

you are seated in your listening position.

AUTO SETUP

Introduction

Notes

Optimizer microphone setup

Notes

LEVEL

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Yamaha RX-V657 Manuel Page 28

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