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Intelligent Acoustic Control (Iac) - Yamaha Portable Grand DGX-660 Owner's Manual

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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.
1
Press the [FUNCTION] button.
2
Press the CATEGORY [r] or [f] but-
ton several times until "I.A. Control"
appears.
Current setting
3
Use the dial to turn IAC on or off.
Handy Performance Features
Setting IAC Depth
You can adjust the depth of the IAC effect.
1
Press the [FUNCTION] button.
2
Press the CATEGORY [r] or [f] but-
ton several times until "I.A. Control
Depth" appears.
Current setting
3
Use the dial to set the desired value.
The setting range is from -3 to 3. The higher the
value, the deeper the effect.
DGX-660 Owner's Manual
59

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