Roland TD-30 Owner's Manual download pdf (Page 6)

IMPORTANT NOTES

Power Supply

301

• 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.

307

• To prevent malfunction and equipment

failure, always make sure to turn o the

power on all your equipment before you

make any connections.

308

• Although the LCD and LEDs are switched

o when the unit is turned o, this

does not mean that the unit has been

completely disconnected from the source

of power. If you need to turn o the power

completely, rst turn o the unit’s 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.

309

• With the factory settings, the TD-30 will

automatically be switched o 4 hours

after you stop playing or operating the

unit. If you don’t want the unit to turn o

automatically, change the “AUTO OFF”

setting to “OFF” as described on p. 124.

Placement

351

• 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.

352a

• This device may interfere with radio and

television reception. Do not use this device

in the vicinity of such receivers.

352b

• 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.

354a

• 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. Excessive heat can deform or

discolor the unit.

355b

• 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.

360

• 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.

361

• 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

401a

• For everyday cleaning wipe the unit with a

soft, dry cloth or one that has been slightly

dampened with water. To remove stubborn

dirt, use a cloth impregnated with a mild,

non-abrasive detergent. Afterwards, be

sure to wipe the unit thoroughly with a

soft, dry cloth.

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 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

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 loosing important data,

we recommend that you periodically save

a backup copy of important data you have

stored in the unit’s memory on USB ash

drives.

552

• Unfortunately, it may be impossible

to restore the contents of data that

was stored in the unit’s memory or

USB ash drives 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 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 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.

558d

• This instrument is designed to minimize

the extraneous sounds produced when it’s

played. However, since sound vibrations

can be transmitted through oors and

walls to a greater degree than expected,

take care not to allow these sounds to

become a nuisance others nearby.

559a

• 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.

562

• 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 TD-30 Owner's Manual Page 6

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