Roland JC-120 用户手册
3
USING THE UNIT SAFELY
• Before using this unit, make sure to read the
instructions below, and the Owner's Manual.
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• Do not open or perform any internal modifica-
tions on the unit.
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• Make sure you always have the unit placed so it is
level and sure to remain stable. Never place it on
stands that could wobble, or on inclined surfaces.
stands that could wobble, or on inclined surfaces.
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• Avoid damaging the power cord. Do not bend it
excessively, step on it, place heavy objects on it,
etc. A damaged cord can easily become a shock or
fire hazard. Never use a power cord after it has
been damaged.
etc. A damaged cord can easily become a shock or
fire hazard. Never use a power cord after it has
been damaged.
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• In households with small children, an adult
should provide supervision until the child is
capable of following all the rules essential for the
safe operation of the unit.
capable of following all the rules essential for the
safe operation of the unit.
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• Protect the unit from strong impact.
(Do not drop it!)
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• Do not force the unit's power-supply cord to share
an outlet with an unreasonable number of other
devices. Be especially careful when using
extension cords—the total power used by all
devices you have connected to the extension
cord's outlet must never exceed the power rating
(watts/amperes) for the extension cord. Excessive
loads can cause the insulation on the cord to heat
up and eventually melt through.
devices. Be especially careful when using
extension cords—the total power used by all
devices you have connected to the extension
cord's outlet must never exceed the power rating
(watts/amperes) for the extension cord. Excessive
loads can cause the insulation on the cord to heat
up and eventually melt through.
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• Before using the unit in a foreign country, consult
with your dealer, or qualified Roland service
personnel.
personnel.
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• Always grasp only the plug on the power-supply
cord when plugging into, or unplugging from an
outlet.
outlet.
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• Try to prevent cords and cables from becoming
entangled. Also, all cords and cables should be
placed so they are out of the reach of children.
placed so they are out of the reach of children.
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• If the unit could become a hazard if it moves, all
caster wheels should be removed once the unit has
been placed at the place of installation, or has been
loaded onto a vehicle.
been placed at the place of installation, or has been
loaded onto a vehicle.
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• Never climb on top of, nor place heavy objects on
the unit.
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• Never handle the power cord or its plug with wet
hands when plugging into, or unplugging from,
an outlet.
an outlet.
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• Before moving the unit, disconnect the power
plug from the outlet, and pull out all cords from
external devices.
external devices.
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• Before cleaning the unit, turn off the power and
unplug the power cord from the outlet (p. 5).
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• Whenever you suspect the possibility of lightning
in your area, pull the plug on the power cord out
of the outlet.
of the outlet.
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Used for instructions intended to alert
the user to the risk of injury or material
damage should the unit be used
improperly.
the user to the risk of injury or material
damage should the unit be used
improperly.
* Material damage refers to damage or
other adverse effects caused with
respect to the home and all its
furnishings, as well to domestic
animals or pets.
respect to the home and all its
furnishings, as well to domestic
animals or pets.
Used for instructions intended to alert
the user to the risk of death or severe
injury should the unit be used
improperly.
the user to the risk of death or severe
injury should the unit be used
improperly.
The
●
symbol alerts the user to things that must be
carried out. The specific thing that must be done is
indicated by the design contained within the circle. In
the case of the symbol at left, it means that the power-
cord plug must be unplugged from the outlet.
indicated by the design contained within the circle. In
the case of the symbol at left, it means that the power-
cord plug must be unplugged from the outlet.
The symbol alerts the user to important instructions
or warnings.The specific meaning of the symbol is
determined by the design contained within the
triangle. In the case of the symbol at left, it is used for
general cautions, warnings, or alerts to danger.
or warnings.The specific meaning of the symbol is
determined by the design contained within the
triangle. In the case of the symbol at left, it is used for
general cautions, warnings, or alerts to danger.
The symbol alerts the user to items that must never
be carried out (are forbidden). The specific thing that
must not be done is indicated by the design contained
within the circle. In the case of the symbol at left, it
means that the unit must never be disassembled.
be carried out (are forbidden). The specific thing that
must not be done is indicated by the design contained
within the circle. In the case of the symbol at left, it
means that the unit must never be disassembled.