Roland Prelude User Manual download pdf (Page 5)

Important notes

In addition to the items listed under “Using the unit safely” (p. 3), please read and observe the following:

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 (such as

a refrigerator, washing machine, microwave oven, or air condi-

tioner), or that contains a motor. 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 filter 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.

• 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.

• 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 the Prelude. 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 off.

Placement

• 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 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 off.

• 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.

•When moved from one location to another where the temperature

and/or humidity is very different, 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 conden-

sation has completely evaporated.

• 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.

• 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.

Maintenance

• 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.

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

avoid the possibility of discoloration and/or deformation.

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 a USB memory, 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.

Memory Backup

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 to a USB

memory.

• Unfortunately, it may be impossible to restore the contents of data

that was stored in the Prelude’s internal memory or on USB

memory once it has been lost. Roland Europe 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 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.

• 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).

•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 stand while it is in use.

• Use only the specified expression pedal (EV-5; sold separately). By

connecting any other expression pedals, you risk causing

malfunction and/or damage to the unit.

• 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 impos-

sible to hear. For information on cable specifications, contact the

manufacturer of the cable.

• The sensitivity of the D Beam controller will change depending on

the amount of light in the vicinity of the unit. If it does not function

as you expect, adjust the sensitivity as appropriate for the

brightness of your location.

Using USB Memory

•When connecting USB memory, firmly insert it all the way in.

• Do not touch the pins of the USB memory connector, or allow them

to become dirty.

• USB memory is made using high-precision electronic components,

so please observe the following points when handling it.

• To prevent damage from static electrical charges, discharge

any static electricity that might be present in your body before

handling USB memory.

• Do not touch the terminals with your fingers or any metal

object.

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