Yamaha DD-35 [3/24] Caution
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Yamaha DD-35 [3/24] Caution

Yamaha DD-35 [3/24] Caution
3
PRECAUTIONS
PLEASE READ CAREFULLY BEFORE PROCEEDING
* Please keep these precautions 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:
• 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 immedi-
ately and have it inspected by qualified Yamaha service personnel.
• Do not expose the instrument to rain, use it near water or in damp or wet
conditions, or place containers on it containing liquids which might spill
into any openings.
• If the AC adaptor cord or plug becomes frayed or damaged, or if there is a
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.
• Use the specified adaptor (PA-3B or an equivalent recommended by
Yamaha) only. Using the wrong adaptor can result in damage to the
instrument or overheating.
• Before cleaning the instrument, always remove the electric plug from the
outlet. Never insert or remove an electric plug with wet hands.
• Check the electric plug periodically and remove any dirt or dust which
may have accumulated on it.
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:
• 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.
• When removing the electric plug from the instrument or an outlet, always
hold the plug itself and not the cord.
• Do not connect the instrument to an electrical outlet using a multiple-con-
nector. Doing so can result in lower sound quality, or possibly cause
overheating in the outlet.
• Unplug the AC power adaptor when not using the instrument, or during
electrical storms.
• Always make sure all batteries are inserted in conformity with the +/-
polarity markings. Failure to do so might result in overheating, fire, or
battery fluid leakage.
• Always replace all batteries at the same time. Do not use new batteries
together with old ones. Also, do not mix battery types, such as alkaline
batteries with manganese batteries, or batteries from different makers, or
different types of batteries from the same maker, since this can cause
overheating, fire, or battery fluid leakage.
• Do not dispose of batteries in fire.
• Do not attempt to recharge batteries that are not intended to be charged.
• When the batteries run out, or if the instrument is not to be used for a long
time, remove the batteries from the instrument to prevent possible leakage
of the battery fluid.
• Keep batteries away from children.
• If the batteries do leak, avoid contact with the leaked fluid. If the battery
fluid should come in contact with your eyes, mouth, or skin, wash imme-
diately with water and consult a doctor. Battery fluid is corrosive and may
possibly cause loss of sight or chemical burns.
• Before connecting the instrument to other electronic components, turn off
the power for all components. Before turning the power on or off for all
components, set all volume levels to minimum. Also, be sure to set the
volumes of all components at their minimum levels and gradually raise
the volume controls while playing the instrument to set the desired listen-
ing level.
• Do not expose the instrument to excessive dust or vibrations, or extreme
cold or 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.
• Do not use the instrument near other electrical products such as televi-
sions, radios, or speakers, since this might cause interference which can
affect proper operation of the other products.
• Do not place the instrument in an unstable position where it might acci-
dentally fall over.
• Before moving the instrument, remove all connected adaptor and other
cables.
• When cleaning the instrument, use a soft, dry cloth. Do not use paint thin-
ners, solvents, cleaning fluids, or chemical-impregnated wiping cloths.
Also, do not place vinyl, plastic or rubber objects on the instrument, since
this might discolor the panel or keyboard.
• Do not rest your weight on, or place heavy objects on the instrument, and
do not use excessive force on the buttons, switches or connectors.
• Do not operate the instrument for a long period of time at a high or
uncomfortable volume level, since this can cause permanent hearing loss.
If you experience any hearing loss or ringing in the ears, consult a physi-
cian.
Always turn the power off when the instrument is not in use.
Make sure to discard used batteries according to local regulations.
Yamaha cannot be held responsible for damage caused by improper use
or modifications to the instrument, or data that is lost or destroyed.
* The illustrations and LED displays as shown in this owner’s manual
are for instructional purposes only, and may be different from the
ones on your instrument.
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