Roland Prelude 用户手册
3
Using the unit safely
002c
•
Do not open (or modify in any way) the unit or its AC
adaptor.
adaptor.
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003
•
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.
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.
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004
•
Never install the unit in any of the following
locations.
locations.
• Subject to temperature extremes (e.g., direct sunlight in
an enclosed vehicle, near a heating duct, on top of
heat-generating equipment); or are
heat-generating equipment); or are
• Damp (e.g., baths, washrooms, on wet floors); or are
• Exposed to steam or smoke; or are
• Subject to salt exposure; or are
• Humid; or are
• Exposed to rain; or are
• Dusty or sandy; or are
• Subject to high levels of vibration and shakiness.
• Exposed to steam or smoke; or are
• Subject to salt exposure; or are
• Humid; or are
• Exposed to rain; or are
• Dusty or sandy; or are
• Subject to high levels of vibration and shakiness.
.................................................................................................................................
005
•
This unit should be used only with a rack or stand
that is recommended by Roland.
that is recommended by Roland.
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006
•
When using the unit with a rack or stand recom-
mended by Roland, the rack or stand must be
carefully placed so it is level and sure to remain
stable. If not using a rack or 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.
mended by Roland, the rack or stand must be
carefully placed so it is level and sure to remain
stable. If not using a rack or 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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008c
•
Be sure to use only the AC adaptor supplied with the
unit. Also, make sure the line voltage at the instal-
lation 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.
unit. Also, make sure the line voltage at the instal-
lation 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.
.................................................................................................................................
008e
•
Use only the attached power-supply cord. Also, the
supplied power cord must not be used with any other
device.
supplied power cord must not be used with any other
device.
.................................................................................................................................
009
•
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!
place heavy objects on it. Doing so can damage the
cord, producing severed elements and short circuits.
Damaged cords are fire and shock hazards!
.................................................................................................................................
010
•
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.
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.
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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.
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.
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 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.
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.
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.
About WARNING and CAUTION Notices
About the Symbols
ALWAYS OBSERVE THE FOLLOWING
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