Manual Roland DP90 (page 58 of 64) (English)

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IMPORTANT NOTES

Power Supply

• Do not connect this unit to same electrical outlet

that is being used by an electrical appliance that

is controlled by an inverter or a motor (such as a

refrigerator, washing machine, microwave oven, or

air conditioner). Depending on the way in which

the electrical appliance is used, power supply noise

may cause this unit to malfunction or may produce

audible noise. If it is not practical to use a separate

electrical outlet, connect a power supply noise lter

between this unit and the electrical outlet.

• The AC adaptor will begin to generate heat after

long hours of consecutive use. This is normal, and is

not a cause for concern.

• To prevent malfunction and equipment failure,

always make sure to turn o the power on all your

equipment before you make any connections.

• With the factory settings, the unit will automatically

be switched o 30 minutes after you stop playing

or operating the unit. If the unit’s power has been

turned o automatically, you can use the [Power]

switch to turn the unit back on again. If you don’t

want the unit to turn o automatically, change the

“Auto O” setting to “O” as described on “Making

the Power Automatically Turn O After a Time (Auto

O )” (p. 39).

NOTE

The settings you were editing will be lost when the

unit is turned o. If you want to keep your settings,

you must save your settings before turning the unit

o.

Placement

• Using the unit near power ampli ers (or other

equipment containing large power transformers)

may induce hum. To alleviate the problem, change

the orientation of this unit; or move it farther away

from the source of interference.

• This device may interfere with radio and television

reception. Do not use this device in the vicinity of

such receivers.

• Noise may be produced if wireless communications

devices, such as cell phones, are operated in the

vicinity of this unit. Such noise could occur when

receiving or initiating a call, or while conversing.

Should you experience such problems, you should

relocate such wireless devices so they are at a greater

distance from this unit, or switch them o.

• Do not expose the unit to direct sunlight, place

it near devices that radiate heat, leave it inside

an enclosed vehicle, or otherwise subject it to

temperature extremes. Also, do not allow lighting

devices that normally are used while their light

source is very close to the unit (such as a piano light),

or powerful spotlights to shine upon the same area

of the unit for extended periods of time. Excessive

heat can deform or discolor the unit.

• When moved from one location to another where

the temperature and/or humidity is very dierent,

water droplets (condensation) may form inside

the unit. Damage or malfunction may result if you

attempt to use the unit in this condition. Therefore,

before using the unit, you must allow it to stand for

several hours, until the condensation has completely

evaporated.

• Do not allow rubber, vinyl, or similar materials to

remain on this unit for long periods of time. Such

objects can discolor or otherwise harmfully aect

the nish.

• Do not allow objects to remain on top of the

keyboard. This can be the cause of malfunction, such

as keys ceasing to produce sound.

• Do not paste stickers, decals, or the like to this

instrument. Peeling such matter o the instrument

may damage the exterior nish.

• Depending on the material and temperature of the

surface on which you place the unit, its rubber feet

may discolor or mar the surface.

You can place a piece of felt or cloth under the

rubber feet to prevent this from happening. If you

do so, please make sure that the unit will not slip or

move accidentally.

• Do not put anything that contains water on this unit.

Also, avoid the use of insecticides, perfumes, alcohol,

nail polish, spray cans, etc., near the unit. Swiftly

wipe away any liquid that spills on the unit using a

dry, soft cloth.

Maintenance

• To clean the unit, use a dry, soft cloth; or one that

is slightly dampened. Try to wipe the entire surface

using an equal amount of strength, moving the cloth

along with the grain of the wood. Rubbing too hard

in the same area can damage the nish.

• Never use benzine, thinners, alcohol or solvents of

any kind, to avoid the possibility of discoloration

and/or deformation.

Since wood will expand and contract depending

on how it is used and the environment in which it is

located, products made of wood may experience a

gradual loosening of the screws over time.

To ensure that your piano remains in safe, optimal

condition, you should regularly check the tightness of

the screws in the locations shown in the illustration. If

you nd that any screws are loose, use a screwdriver to

tighten them.

Maintenance of polished-nish pianos

(Only for DP90S)

• Since your piano has a polished nish that is as

delicate as that found on nely crafted wooden

furniture, it needs careful, periodic care. A few

important suggestions concerning the proper care

of the unit follow. For dusting, using a soft, clean

cloth and/or piano-use feather duster. Be sure to

wipe gently. Even the tiniest grains of sand or grit

can leave scratches on the surface if too much force

is applied while wiping. Do not use any cleaners or

detergents, since they might deteriorate the surface

of the cabinet, and produce cracks.

If the cabinet’s surface loses its luster, wipe it

thoroughly with a soft cloth dampened with a little

of the polishing liquid. Do not use any cleaners or

detergents, since they might deteriorate the surface

of the cabinet, and produce cracks. Do not use

dusting cloths that contain chemicals.

• About piano polishing liquid

• Use polishing liquid as directed by the instructions

for the product.

• Use only polishing liquid that is intended for use on

polished- nish pianos. Using any other polishing

liquid may cause scratches, deformation, or

discoloration. To purchase polishing liquid, contact

your nearby musical instrument dealer.

• Use the polishing liquid only on the polished

surfaces of the cabinet. Always wipe the surface

with the grain using straight, even strokes. Do

not repeatedly wipe the same places using too

much pressure, since that might result in the loss

of luster.

• Be sure to keep the polishing liquid out of the

reach of small children. If the polishing liquid is

accidentally swallowed, rst get them to vomit,

then take them to a doctor.

Repairs and Data

• Please be aware that all data contained in the

unit’s memory may be lost when the unit is sent for

repairs. Important data should always be backed up

USB ash drives, or written down on paper (when

possible). During repairs, due care is taken to avoid

the loss of data. However, in certain cases (such

as when circuitry related to memory itself is out

of order), we regret that it may not be possible to

restore the data, and Roland assumes no liability

concerning such loss of data.

Additional Precautions

• Please be aware that the contents of memory can

be irretrievably lost as a result of a malfunction,

or the improper operation of the unit. To protect

yourself against the risk of loosing important data,

we recommend that you periodically save a backup

copy of important data you have stored in the unit’s

memory on a USB ash drive.

• Unfortunately, it may be impossible to restore

the contents of data that was stored in the unit’s

memory, USB ash drives once it has been lost.

Roland Corporation assumes no liability concerning

such loss of data.

• Use a reasonable amount of care when using the

unit’s buttons, sliders, or other controls; and when

using its jacks and connectors. Rough handling can

lead to malfunctions.

• Never strike or apply strong pressure to the display.

• When disconnecting all cables, grasp the connector

itself—never pull on the cable. This way you will

avoid causing shorts, or damage to the cable’s

internal elements.

• To avoid disturbing others nearby, try to keep the

unit’s volume at reasonable levels. You may prefer

to use headphones, so you do not need to be

concerned about those around you.

• The sound of keys being struck and vibrations

produced by playing an instrument can be

transmitted through a oor or wall to an unexpected

extent. Please take care not to cause annoyance to

others nearby.

• When you need to transport the unit, package it

in the box (including padding) that it came in, if

possible. Otherwise, you will need to use equivalent

packaging materials.

• Do not apply undue force to the music rest while it

is in use.

• Some connection cables contain resistors. Do not

use cables that incorporate resistors for connecting

to this unit. The use of such cables can cause the

sound level to be extremely low, or impossible to

hear. For information on cable speci cations, contact

the manufacturer of the cable.

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Roland DP90 Manual

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