Roland VR-3 用户手册

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页码 56
4
USING THE UNIT SAFELY
002c
Do not open (or modify in any way) the unit or its AC 
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” sheet.
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004
Never install the unit in any of the following 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
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.
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007
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.
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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 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.
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008e
Use only the attached power-supply cord. Also, the supplied 
power cord must not be used with any other device
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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!
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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.
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011
Do not place containers containing liquid on this product. 
Never allow foreign objects (e.g., flammable objects, coins, 
wires) or liquids (e.g., water or juice) to enter into this 
product. Doing so may cause short circuits, faulty operation, 
or other malfunctions.
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012b
Immediately turn the power off, remove the AC adaptor 
from the outlet, and request servicing by your retailer, the 
nearest Roland Service Center, or an authorized Roland 
distributor, as listed on the “Information” sheet when:
The AC adaptor, the power-supply cord, or the plug has 
been damaged; or
If smoke or unusual odor occurs
Objects have fallen into, or liquid has been spilled onto 
the unit; or
The unit has been exposed to rain (or otherwise has 
become wet); or
The unit does not appear to operate normally or exhibits 
a marked change in performance.
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013
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.
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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. 
* 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. 
Used for instructions intended to 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 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 
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.