Yamaha P-90 Owner's Manual page 3

PLEASE READ CAREFULLY BEFORE PROCEEDING
* Please keep this manual in a safe place for future reference.
WARNING
Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical
shock, short-circuiting, damages, fire or other hazards. These precautions include, but are not limited to, the following:
Power supply/AC power adaptor
• Only use the voltage specified as correct for the instrument. The required
voltage is printed on the name plate of the instrument.
• Use the specified adaptor (PA-3C or an equivalent recommended by Yamaha)
only. Using the wrong adaptor can result in damage to the instrument or
overheating.
• Check the electric plug periodically and remove any dirt or dust which may have
accumulated on it.
• Do not place the AC adaptor cord near heat sources such as heaters or radiators,
and do not excessively bend or otherwise damage the cord, place heavy objects
on it, or place it in a position where anyone could walk on, trip over, or roll
anything over it.
Do not open
• Do not open the instrument or attempt to disassemble the internal parts or
modify them in any way. The instrument contains no user-serviceable parts. If it
should appear to be malfunctioning, discontinue use immediately and have it
inspected by qualified Yamaha service personnel.
CAUTION
Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage
to the instrument or other property. These precautions include, but are not limited to, the following:
Power supply/AC power adaptor
• When removing the electric plug from the instrument or an outlet, always hold
the plug itself and not the cord.
• Unplug the AC power adaptor when not using the instrument, or during
electrical storms.
• Do not connect the instrument to an electrical outlet using a multiple-connector.
Doing so can result in lower sound quality, or possibly cause overheating in the
outlet.
PRECAUTIONS
• Do not expose the instrument to rain, use it near water or in damp or wet
• Never insert or remove an electric plug with wet hands.
• Do not put burning items, such as candles, on the unit.
• If the AC adaptor cord or plug becomes frayed or damaged, or if there is a
• Do not expose the instrument to excessive dust or vibrations, or extreme cold or
• Do not use the instrument in the vicinity of a TV, radio, stereo equipment,
• Do not place the instrument in an unstable position where it might accidentally
• Before moving the instrument, remove all connected adaptor and other cables.
• Use only the stand specified for the instrument. When attaching the stand or
• Do not place objects in front of the instrument's air vent, since this may prevent
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Water warning
conditions, or place containers on it containing liquids which might spill into
any openings.
Fire warning
A burning item may fall over and cause a fire.
If you notice any abnormality
sudden loss of sound during use of the instrument, or if any unusual smells or
smoke should appear to be caused by it, immediately turn off the power switch,
disconnect the adaptor plug from the outlet, and have the instrument inspected
by qualified Yamaha service personnel.
Location
heat (such as in direct sunlight, near a heater, or in a car during the day) to
prevent the possibility of panel disfiguration or damage to the internal
components.
mobile phone, or other electric devices. Otherwise, the instrument, TV, or radio
may generate noise.
fall over.
rack, use the provided screws only. Failure to do so could cause damage to the
internal components or result in the instrument falling over.
adequate ventilation of the internal components, and possibly result in the
instrument overheating.
PRECAUTIONS
P-90
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