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Setting the Volume — [MASTER VOLUME]
To adjust the volume, use the [MASTER VOLUME]
slider located at the right of the panel. Play the
keyboard to actually produce sound while you
adjust the volume.
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 Control is effective only from the sound output of the instrument speakers.
You can set the IAC setting On or Off via the "System" menu display: Press the
[FUNCTION] button repeatedly to call up the "System" menu display
"Sound"
"IAC. " The default setting for this function is "On. "
Using Headphones
Connect a pair of headphones to one of the [PHONES] jacks. When the
headphones are plugged into either of the [PHONES] jacks, the internal
speaker system is automatically shut off. Two [PHONES] jacks are provided.
Two sets of standard stereo headphones can be plugged in. (If you are using
only one pair of headphones, you can plug them into either of these jacks.)
685
675
645
635
Underside of
keyboard
Standard stereo
phone plug
665GP
685
675
Underside of keyboard
Standard stereo
phone plug
Getting Started — Playing the Clavinova
Increases
the level.
Decreases
the level.
645
635
665GP
CLP-685, CLP-675, CLP-645, CLP-635, CLP-665GP Owner's Manual
Master Volume: The
volume level of the entire
keyboard sound.
Adjusting the [MASTER
VOLUME] slider also affects
the output level of the
[PHONES] jacks and the
output level of the AUX OUT
jacks.
CAUTION
Do not use the instrument at
a high volume level for a long
period of time, or your
hearing may be damaged.
NOTE
"System" menu display
(page 93)
CAUTION
Do not use headphones at a
high volume for an extended
period of time. Doing so may
cause hearing loss.
19
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