Yamaha piaggero NP-11 소유자 매뉴얼 - 페이지 21
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Troubleshooting
Problem
The instrument does not turn on.
Noise is heard from the speakers or
headphones.
The overall volume is low, or no sound
is heard.
The sound is distorted.
The sustain pedal has no effect.
The pitch and/or tone of the piano
Voices in certain ranges do not sound
right.
Power suddenly and unexpectedly
turns off.
Optional Equipment
• Headphones (HPE-150/HPE-30)
• Foot Pedal (FC3)
• Footswitch (FC4/FC5)
• Keyboard Stand (L-2C)
• USB-MIDI interface (UX16 )
• AC Power Adaptor:
Users within U.S or Europe: PA-150 or an equivalent, Others: PA-5D, PA-150 or an equivalent (for the NP-31)
Users within U.S or Europe: PA-130 or an equivalent, Others: PA-3C, PA-130 or an equivalent (for the NP-11)
Possible Cause and Solution
The instrument has not been plugged in properly. Securely insert the female
plug into the jack on the instrument, and the male plug into a proper AC outlet
(page 7).
The batteries are low or dead. Replace all six batteries with completely new
alkaline ones, or use the optional AC adaptor.
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.
The batteries are low or dead. Replace all six batteries with completely new
alkaline ones, or use the optional AC adaptor.
The Master Volume is set too low; set it to an appropriate level using the [MAS-
TER VOLUME] dial.
Make sure a pair of headphones is not connected to the headphones jack
(page 8).
Make sure that Local Control (page 20) is ON.
The batteries are low or dead. Replace all six batteries with completely new
alkaline ones, or use the optional AC adaptor.
If you are using manganese batteries with the instrument, try replacing them
with a set of new alkaline batteries. Alternately, you could use the AC adaptor
instead, or try turning down the volume.
The pedal cable/plug may not be properly connected. Make sure to securely
insert the pedal plug into the SUSTAIN jack (page 8).
The piano Voices attempt to precisely simulate actual piano sounds. However,
as a result of sampling algorithms, overtones in some ranges may sound exag-
gerated, producing a somewhat different pitch or tone.
This is normal and the Auto Power Off function may have been activated. If you
need to disable the Auto Power Off function, select "Off" in the function settings
(page 18).
NP-31/NP-11 Owner's Manual
21