Yamaha Pro Yamaha DGX-660B 业主指南
Handy Performance Features
DGX-660 Owner’s Manual
59
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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.
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.
appears.
3
Use the dial to turn IAC on or off.
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.
Depth” appears.
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.
value, the deeper the effect.
Current setting
Current setting