Bedienungsanleitung Roland AT 900C (Seite 8 von 308) (Englisch)

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Important Notes

Power Supply

301

• Do not connect this device to the same electrical outlet as an

inverter-controlled device such as a refrigerator, microwave

oven, or air conditioner, or a device that contains an electric

motor. Depending on how the other device is used, power

supply noise could cause this device to malfunction or produce

noise. If it is not practical to use a separate electrical outlet,

please connect this device via a power supply noise filter.

306b

• Batteries are included with this device. These batteries are for

the purpose of testing the operation of this device, and their life

span may be shorter than normal.

307

• Before you make connections, you must switch off the power on

all devices to prevent malfunction and/or speaker damage.

308

• Although the LCD and LEDs are switched off when the Power

switch is switched off, this does not mean that the unit has been

completely disconnected from the source of power. If you need to

turn off the power completely, first turn off the Power switch, then

unplug the power cord from the power outlet. For this reason, the

outlet into which you choose to connect the power cord’s plug

should be one that is within easy reach and readily accessible.

Location

351

• If this device is placed near devices that contain large

transformers, such as power amps, hum may be induced in this

device. If this occurs, move this device farther away or change

its orientation.

352a

• If this device is operated near a television or radio, color distortion

may be seen in the television screen or noise may be heard from

the radio. If this occurs, move this device farther away.

352b

• Keep your cell phone powered off or at a sufficient distance

from this device. If a cell phone is nearby, noise may be heard

when a call is received or initiated, or during conversation.

354b

• Do not leave this device in direct sunlight, near devices that

produce heat, or in a closed-up automobile. Do not allow

illumination devices operated in close proximity (such as a

piano light) or powerful spotlights to shine on the same location

on this device for an extended time. This can cause

deformation or color change.

355b

• If you move this device between locations of radically different

temperature or humidity, water droplets (condensation) may

form inside the device. Using the device in this condition will

cause malfunctions, so please allow several hours for the

condensation to disappear before you use the device.

356

• Do not allow items made of rubber or vinyl to remain on top of

this device for an extended time. This can cause deformation or

color change.

358

• Do not leave objects on top of the keyboard. This can cause

malfunctions such as failure to sound.

359

• Do not affix adhesive labels to this device. The exterior finish

may be damaged when you remove the labels.

360

• (AT-900C)

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.

Care

401b

• For everyday care, wipe with a soft dry cloth, or remove

stubborn dirt using a tightly wrung-out cloth. If this device

contains wooden components, wipe the entire area following

the direction of the grain. The finish may be damaged if you

continue strongly rubbing a single location.

Addition

• If water droplets should adhere to this device, immediately

wipe them off using a soft dry cloth.

402

• Do not use solvents such as benzene, thinner, or alcohol, since

these can cause deformation or color change.

Servicing

452

• If you return this device for servicing, the contents of memory

may be lost. Please store important contents on USB memory,

or make a note of the contents. We take utmost care to

preserve the contents of memory when performing service, but

there may be cases when the stored content cannot be

recovered because the memory section has malfunctioned.

Please be aware that we cannot accept responsibility for the

recovery of lost memory content or for any consequences of

such loss.

Other Cautions

551

• Stored content may be lost due to a malfunction of the device

or because of inadvertent operation. You should back up

important content on USB memory as a safeguard against such

loss.

552

• We cannot accept responsibility for the recovery of any content

lost from internal memory or USB memory, or for the

consequences of such loss.

553

• Do not apply excessive force to the buttons, knobs, or input/

output jacks, since this may cause malfunctions.

554

• Never strike or apply strong pressure to the display.

556

• When connecting or disconnecting cables, grasp the plug (not

the cable) to prevent short circuits or broken connections.

557

• This device may produce a certain amount of heat, but this is

not a malfunction.

558a

• Please enjoy your music in ways that do not inconvenience

other people nearby, and pay particular attention to the volume

at nighttime. Using headphones will allow you to enjoy music

without having to be concerned about others.

559b

• When transporting or shipping this device, package it in an

appropriate amount of cushioning material. Scratches,

damage, or malfunctions may occur if you transport it without

appropriate packaging.

560

• If using the music rest, do not apply excessive force to it.

562

• Some connection cables contain a resistor. Do not connect such

cables to this device. Doing so may make the volume extremely

low or inaudible. Please use connection cables not containing

a resistor.

565

• (For AT-900)

Before opening or closing the keyboard lid, always make sure

that no pets or other small animals are located on top of the

instrument (in particular, they should be kept away from the

keyboard and its lid). Otherwise, due to the structural design of

this instrument, small pets or other animals could end up getting

trapped inside it. If such a situation is encountered, you must

immediately switch off the power and disconnect the power

cord from the outlet. You should then consult with the retailer

from whom the instrument was purchased, or contact the

nearest Roland Service Center.

AT-900_e.book 6 ページ２００８年９月１６日　火曜日　午前１０時３８分

Roland AT 900C Seite 8

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