Roland SP-555 用户手册
4
USING THE UNIT SAFELY
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 modify in any way) the unit or its AC
adaptor.
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• Do not attempt to repair the unit, or replace parts within it
(except when this manual provides specific instructions
directing you to do so). Refer all servicing to your retailer, the
nearest Roland Service Center, or an authorized Roland
distributor, as listed on the “Information” page.
directing you to do so). Refer all servicing to your retailer, the
nearest Roland Service Center, or an authorized Roland
distributor, as listed on the “Information” page.
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• Never use or store the unit in places that are:
• Subject to temperature extremes (e.g., direct sunlight in
an enclosed vehicle, near a heating duct, on top of heat-
generating equipment); or are
generating equipment); or are
• Damp (e.g., baths, washrooms, on wet floors); or are
• Humid; or are
• Exposed to rain; or are
• Dusty; or are
• Subject to high levels of vibration.
• Humid; or are
• Exposed to rain; or are
• Dusty; or are
• Subject to high levels of vibration.
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• This unit should be used only with a stand that is recom-
mended by Roland.
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• When using the unit a stand recommended by Roland, the
stand must be carefully placed so it is level and sure to
remain stable. If not using a stand, you still need to make sure
that any location you choose for placing the unit provides a
level surface that will properly support the unit, and keep it
from wobbling.
remain stable. If not using a stand, you still need to make sure
that any location you choose for placing the unit provides a
level surface that will properly support the unit, and keep it
from wobbling.
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• Be sure to use only the AC adaptor supplied with the unit.
Also, make sure the line voltage at the installation matches
the input voltage specified on the AC adaptor’s body. Other
AC adaptors may use a different polarity, or be designed for
a different voltage, so their use could result in damage,
malfunction, or electric shock.
the input voltage specified on the AC adaptor’s body. Other
AC adaptors may use a different polarity, or be designed for
a different voltage, so their use could result in damage,
malfunction, or electric shock.
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• Use only the attached power-supply cord. Also, the supplied
power cord must not be used with any other device.
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• Do not excessively twist or bend the power cord, nor place
heavy objects on it. Doing so can damage the cord,
producing severed elements and short circuits. Damaged
cords are fire and shock hazards!
producing severed elements and short circuits. Damaged
cords are fire and shock hazards!
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• This unit, either alone or in combination with an amplifier and
headphones or speakers, may be capable of producing
sound levels that could cause permanent hearing loss. Do not
operate for a long period of time at a high volume level, or at
a level that is uncomfortable. If you experience any hearing
loss or ringing in the ears, you should immediately stop using
the unit, and consult an audiologist.
sound levels that could cause permanent hearing loss. Do not
operate for a long period of time at a high volume level, or at
a level that is uncomfortable. If you experience any hearing
loss or ringing in the ears, you should immediately stop using
the unit, and consult an audiologist.
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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.
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.
alert 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.
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.
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.
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