Roland DR-3 - Manual (Page 5)

5
IMPORTANT NOTES
291a
In addition to the items listed under “USING THE UNIT SAFELY” on page 2–4, please read and
observe the following:
Power Supply: Use of Batteries
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).
302
• The AC adaptor will begin to generate heat after
long hours of consecutive use. This is normal,
and is not a cause for concern.
303a
• The use of an AC adaptor is recommended as the
unit’s power consumption is relatively high.
Should you prefer to use batteries, please use the
alkaline type.
304a
• When installing or replacing batteries, always
turn off the power on this unit and disconnect
any other devices you may have connected. This
way, you can prevent malfunction and/or
damage to speakers or other devices.
306b
• Batteries are supplied with the unit. The life of
these batteries may be limited, however, since
their primary purpose was to enable testing.
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 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 communica-
tions 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.
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
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
condensation has completely evaporated.
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 discolor-
ation and/or deformation.
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 a paper.
552
• Unfortunately, it may be impossible to restore
the contents of data that was stored in another
MIDI device (e.g., a sequencer) 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.
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).
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 equiv-
alent packaging materials.