Yamaha CP300 Manual Do Utilizador

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CP300 Owner’s Manual
98
Appendix
Troubleshooting
Problem
Possible causes
Solution
The power of the instrument does 
not turn on.
The instrument has not been plugged in 
properly.
Securely insert the female plug into the 
socket on the instrument, and the male plug 
into a proper AC outlet (page 11).
A click or pop is heard when the 
power is turned on or off.
This is normal when electrical current is 
being applied to the instrument.
This is normal.
Noise is heard from the instrument's 
speakers.
The noise may be due to interference 
caused by the use of a mobile phone in 
close proximity to the instrument.
Turn off the mobile phone, or use it further 
away from the instrument. Using a mobile 
phone in close proximity to the instrument 
may produce interference.
The overall volume is too low, or 
there is no sound at all.
Raise the [MASTER VOLUME] level.
Raise the [ZONE CONTROL] slider.
Speaker setting may be off.
Set “Local Control” to on. 
Set “Internal TG” to on.
The pedal or the Modulation wheel is set to 
minimum, when “Expression” is assigned to 
the foot controller or Modulation wheel.
Change the position of the pedal or 
Modulation wheel. 
“Expression” may have been assigned to 
one of the connected footswitches.
Assign any function other than “Expression” 
to the footswitch.
Raise the gain of the Master EQ.
The gain of the Part EQ (page 36) may be 
low. 
Raise the gain of the Part EQ.
“Volume” may have been assigned to the 
[ZONE CONTROL] slider while the Master 
mode is turned on, the [ZONE CONTROL] 
may be set too low.
Raise the [ZONE CONTROL] slider.
The keyboard volume is low. 
The volume level for the keyboard 
Performance may be set too low.
Raise any of the [ZONE CONTROL] slider. 
The Song playback volume is low.
The volume of the Song playback may be 
set too low.
Raise the [SONG VOLUME] slider.
The speakers do not switch off when 
a pair of headphones is connected.
Speaker setting may be On.
Set the Speaker setting to Off. 
The pitch and/or tone of the Piano 
Voices in certain ranges do not 
sound right.
The Piano Voices attempt to precisely 
simulate actual piano sounds. However, as 
a result of sampling algorithms, overtones in 
some ranges may sound exaggerated, 
producing a somewhat different pitch or 
tone.
This is normal.
Mechanical noise is heard during 
Performance.
The keyboard mechanism of this instrument 
simulates the keyboard mechanism of an 
actual piano. Mechanical noise is also heard 
on a piano.
This is normal.
The buttons do not respond.
While you are using a function, some 
buttons not used for the function are 
disabled.
If a Song is playing or recording, stop 
playback or recording. Otherwise, press the 
[EXIT] button to return to the main display, 
and then perform the desired operation.
The Panel Lock function is effective.
Rapidly press the [PANEL LOCK] button 
twice to cancel the Panel Lock.