Manual Yamaha PSR-248 (page 3 of 94) (English)

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• Do not use the instrument near other electrical products such as televisions,

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 acciden-

tally 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 thinners,

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.

• Use only the stand/rack specified for the instrument. When attaching the

stand or rack, use the provided screws only. Failure to do so could cause

damage to the internal components or result in the instrument falling over.

• Do not operate the instrument for a long period of time at a high or uncomfort-

able volume level, since this can cause permanent hearing loss. If you experi-

ence any hearing loss or ringing in the ears, consult a physician.

■SAVING USER DATA

• Save all data to an external device such as the Yamaha MIDI Data Filer MDF3,

in order to help prevent the loss of important data due to a malfunction or

user operating error.

Yamaha cannot be held responsible for damage caused by improper use or modi-

fications to the instrument, or data that is lost or destroyed.

Always turn the power off when the instrument is not in use.

Make sure to discard used batteries according to local regulations.

PRECAUTIONS

PLEASE READ CAREFULLY BEFORE PROCEEDING

* Please keep these precautions in a safe place for future reference.

• 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.

• 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 over-

heating 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 +/- polar-

ity 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 to-

gether with old ones. Also, do not mix battery types, such as alkaline batter-

ies 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.

• If the instrument is not to be in use for a long time, remove the batteries from

it, in order to prevent possible fluid leakage from the battery.

• Keep batteries away from children.

• 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 listening

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 inter-

nal components.

(4)-4

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:

* The illustrations and LCD screens as shown in this owner’s manual are for in-

structional purposes only, and may be different from the ones on your instru-

ment.

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Yamaha PSR-248 Manual

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