Playing The Piano; Intelligent Acoustic Control (Iac) - Yamaha Clavinova CLP-625R Owner's Manual

Playing the Piano

Intelligent Acoustic Control (IAC)

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.
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CLP-625 Owner's Manual
Lowest key F♯0
Lowest key F0
A-1: depth -3 D♯0: depth +3
Lowest key C0: depth 0
(Default setting)
Default setting:
On
Setting range:
A-1 (-3) – D♯0 (+3)
Default setting:
C0 (0)