Yamaha DGX-650 Owner's Manual download pdf (Page 56)

Handy Performance Features

DGX-650 Owner’s Manual

Reference

Intelligent Acoustic Control (IAC)

IAC is a function which automatically adjusts and

controls the sound quality according to the overall

volume of the instrument. Even when the volume is

low, it permits both low sounds and high sounds to be

clearly heard. IAC is effective only from the sound

output of the instrument speakers. Although the

default settings of IAC is set to ON, you can turn the

function on or off. In addition, you can set the depth

of IAC.

Press the [FUNCTION] button.

Press the CATEGORY [r] or [f] but-

ton several times until “I.A. Control”

appears.

Use the dial to set the desired value.

Setting IAC Depth

You can adjust the depth of the IAC effect.

Press the [FUNCTION] button.

Press the CATEGORY [r] or [f] but-

ton several times until “I.A. Control

Depth” appears.

Use the dial to set the desired value.

Current setting

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Yamaha DGX-650 Owner's Manual Page 56