4
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 filter between this unit and the electrical outlet.
302
• The AC adaptor will begin to generate heat after long hours of consec-
utive use. This is normal, and is not a cause for concern.
307
• To prevent malfunction and equipment failure, always make sure to turn
off the power on all your equipment before you make any connections.
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 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.
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.
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 V-Drums Mat (sold separately) 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 place containers or anything else containing liquid on top of this
unit. Also, whenever any liquid has been spilled on the surface of this
unit, be sure to promptly wipe it away using a soft, dry 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
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 written down on paper.
552
• Unfortunately, it may be impossible to restore the contents of data that
was stored in the unit’s memory once it has been lost. Roland Corpo-
ration 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.
558
• To avoid disturbing others nearby, try to keep the unit’s volume at
reasonable levels.
558d
• This instrument is designed to minimize the extraneous sounds
produced when it’s played. However, since sound vibrations can be
transmitted through floors 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 incor-
porate 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 specifications, contact the manufacturer of the
cable.
567
• When adjusting or folding up the stand, take due care so as not to get
your fingers pinched between the movable parts and this unit. In places
where small children are present, make sure that an adult provides
supervision and guidance.
• The rubber portion of the striking surface is treated with a preservative
to maintain its performance. With the passage of time, this preservative
may appear on the surface as a white stain, or reveal how the pads were
struck during product testing. This does not affect the performance or
functionality of the product, and you may continue using it with confi-
dence.
• Continuous playing may cause dis-coloration of the pad, but this will not
affect the Pad’s function.
985
• The explanations in this manual include illustrations that depict what
should typically be shown by the display. Note, however, that your unit
may incorporate a newer, enhanced version of the system (e.g., includes
newer sounds), so what you actually see in the display may not always
match what appears in the manual.
Trademarks
3a
• Roland, V-Drums are either registered trademarks or trademarks of
Roland Corporation in the United States and/ or other countries.
T-01
• Company names and product names appearing in this document are
registered trademarks or trademarks of their respective owners.
TD-4_e.book 4 ページ ２０１２年９月１０日 月曜日 午後２時４５分
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