ROLAND DP-900 Instruction Manual

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IMPORTANT NOTES
291a
In addition to the items listed under OUSING THE UNIT SAFELY� on page 2, please read and observe the following:
Power SupplyMaintenance
301401b
Y Do not connect this unit to same electrical outlet that is YTo clean the unit, use a dry, soft cloth; or one that is slightly
being used by an electrical appliance that is controlled by an dampened. Try to wipe the entire surface using an equal
inverter (such as a refrigerator, washing machine, amount of strength, moving the cloth along with the grain of the
microwave oven, or air conditioner), or that contains a wood. Rubbing too hard in the same area can damage the finish.
motor. Depending on the way in which the electrical 402
Y Never use benzine, thinners, alcohol or solvents of any kind,
appliance is used, power supply noise may cause this unit to to avoid the possibility of discoloration and/or deformation.
malfunction or may produce audible noise. If it is not
practical to use a separate electrical outlet, connect a power
Additional Precautions
supply noise filter between this unit and the electrical outlet.
302552
Y The AC adaptor will begin to generate heat after long hours of Y Unfortunately, it may be impossible to restore the contents
consecutive use. This is normal, and is not a cause for concern.of data that was stored in the unitOs memory once it has
307been lost. Roland Corporation assumes no liability
Y Before connecting this unit to other devices, turn off the
concerning such loss of data.
power to all units. This will help prevent malfunctions 553
and/or damage to speakers or other devices.Y Use a reasonable amount of care when using the unitOs
buttons, sliders, or other controls; and when using its jacks
and connectors. Rough handling can lead to malfunctions.
Placement554
351Y Never strike or apply strong pressure to the display.
Y Using the unit near power amplifiers (or other equipment 555
YA small amount of noise may be heard from the display
containing large power transformers) may induce hum. To
alleviate the problem, change the orientation of this unit; or during normal operation.
556
move it farther away from the source of interference.YWhen connecting / disconnecting all cables, grasp the connector
352aitselfNnever pull on the cable. This way you will avoid causing
Y This device may interfere with radio and television reception.
Do not use this device in the vicinity of such receivers.shorts, or damage to the cableOs internal elements.
352b558a
Y Noise may be produced if wireless communications devices, Y To avoid disturbing your neighbors, try to keep the unitOs
volume at reasonable levels. You may prefer to use
such as cell phones, are operated in the vicinity of this unit.
Such noise could occur when receiving or initiating a call, or headphones, so you do not need to be concerned about
those around you (especially when it is late at night).
while conversing. Should you experience such problems, 559a
you should relocate such wireless devices so they are at a Y When you need to transport the unit, package it in the box
greater distance from this unit, or switch them off.(including padding) that it came in, if possible. Otherwise,
354byou will need to use equivalent packaging materials.
Y Do not expose the unit to direct sunlight, place it near 560
devices that radiate heat, leave it inside an enclosed Y Do not apply undue force to the music rest while it is in use.
vehicle, or otherwise subject it to temperature extremes. 562Y Use a cable from Roland to make the connection. If using
Also, do not allow lighting devices that normally are used some other make of connection cable, please note the
while their light source is very close to the unit (such as a following precautions.
piano light), or powerful spotlights to shine upon the same Y Some connection cables contain resistors. Do not use
area of the unit for extended periods of time. Excessive
cables that incorporate resistors for connecting to this
heat can deform or discolor the unit.
355bunit. The use of such cables can cause the sound level to
Y When moved from one location to another where the be extremely low, or impossible to hear. For infor-
temperature and/or humidity is very different, water mation on cable specifications, contact the manufac-
droplets (condensation) may form inside the unit. Damage turer of the cable.
565
or malfunction may result if you attempt to use the unit in Y Before opening or closing the keyboard lid, always make
this condition. Therefore, before using the unit, you must
sure that no pets or other small animals are located on top of
allow it to stand for several hours, until the condensation the instrument (in particular, they should be kept away from
has completely evaporated.
356the keyboard and its lid). Otherwise, due to the structural
Y Do not allow rubber, vinyl, or similar materials to remain design of this instrument, small pets or other animals could
on the unit for long periods of time. Such objects can end up getting trapped inside it. If such a situation is encoun-
discolor or otherwise harmfully affect the finish.tered, you must immediately switch off the power and
358
Y Do not allow objects to remain on top of the keyboard or disconnect the power cord from the outlet. You should then
pedal board. This can be the cause of malfunction, such as consult with the retailer from whom the instrument was
keys ceasing to produce sound.purchased, or contact the nearest Roland Service Center.
359
Y Do not paste stickers, decals, or the like to this instrument.
Peeling such matter off the instrument may damage the
exterior finish.
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