14
YDP-163/YDP-143 Owner’s Manual
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 [PIANO/VOICE],
press the F
♯
0 key.
To turn off IAC:
While holding down [PIANO/VOICE],
press the F0 key.
To adjust IAC Depth:
While holding down [PIANO/VOICE],
press one of the A-1 – D
♯
0 keys.
The higher the value, the more clearly that low and high sounds are heard at
lower volume levels.
Intelligent Acoustic Control (IAC)
Default setting:
On
F
♯
0
Lowest key
F0
Lowest key
C0: depth 0
(Default setting)
Lowest key
A-1: depth -3
D
♯
0: depth +3
Setting range:
A-1 (-3) – D
♯
0 (+3)
Default setting:
C0 (0)
