Manual Roland AT90S (page 7 of 236) (English)

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Important Notes

291b

In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2

and 3, please read and observe the following:

Power Supply

301

• Do not use this unit on the same power circuit with any

device that will generate line noise (such as an electric

motor or variable lighting system).

307

• Before connecting this unit to other devices, turn off the

power to all units. This will help prevent malfunctions

and/or damage to speakers or other devices.

Placement

351

• Using the unit near power amplifiers (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 inter-

ference.

352

• This device may interfere with radio and television

reception. Do not use this device in the vicinity of such

receivers.

353

• Observe the following when using the unit’s floppy disk

drive. For further details, refer to “Before Using Floppy

Disks” (p. 6).

• Do not place the unit near devices that produce a

strong magnetic field (e.g., loudspeakers).

• Install the unit on a solid, level surface.

• Do not move the unit or subject it to vibration while

the drive is operating.

354b

• 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.

355

• To avoid possible breakdown, do not use the unit in a wet

area, such as an area exposed to rain or other moisture.

356

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

on the piano for long periods of time. Such objects can

discolor or otherwise harmfully affect the finish.

357

• Do not put anything that contains water (e.g., flower

vases) on the piano. 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.

358

• Do not allow objects to remain on top of the keyboard or

pedalboard. This can be the cause of malfunction, such as

keys ceasing to produce sound.

359

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

Peeling such matter off the instrument may damage the

exterior finish.

Maintenance

401b

• 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 finish.

402

• Never use benzine, thinners, alcohol or solvents of any

kind, to avoid the possibility of discoloration and/or

deformation.

Repairs and Data

452

• 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 on a floppy

disk, 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

551

• 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 losing important data, we recommend that you

periodically save a backup copy of important data you

have stored in the unit’s memory on a floppy disk.

552

• Unfortunately, it may be impossible to restore the contents

of data that was stored on a floppy disk once it has been

lost. Roland Corporation assumes no liability concerning

such loss of data.

553

• 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.

554

• Never strike or apply strong pressure to the display.

556

• When connecting / 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.

557

•A small amount of heat will radiate from the unit during

normal operation.

558a

• To avoid disturbing your neighbors, 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 (especially when it is late at night).

559b

• When you need to transport the unit, pack it in shock-

absorbent material. Transporting the unit without doing

so can cause it to become scratched or damaged, and

could lead to malfunction.

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Roland AT90S Manual

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