Yamaha Arius YDP-144R Owner's Manual - Page 16

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Playing the Piano

With this function, the sound quality of this instrument is automatically adjusted

and controlled according to the overall volume. Even when the volume is low,

this lets you hear both low sounds and high sounds clearly.

To turn on IAC:

While holding down [DEMO/SONG] and [PIANO/VOICE] simultaneously,

press the C#2 key.

To turn off IAC:

While holding down [DEMO/SONG] and [PIANO/VOICE] simultaneously,

press the C2 key.

To adjust IAC Depth:

While holding down [DEMO/SONG] and [PIANO/VOICE] simultaneously,

press the D2 key to decrease the value, or the E2 key to increase.

The higher the value, the more clearly that low and high sounds are heard at

lower volume levels.

YDP-164, YDP-144, YDP-S54 Owner's Manual

Lowest key

C#2

D#2 (Default)

D2 (Depth -1) E2 (Depth +1)

Default setting:

Setting range:

-3 – +3

Default setting:

0 (D#2)