Roland DR-3 用户手册
3
010
• This unit, either alone or in combi-
nation 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.
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 allow any objects (e.g.,
flammable material, coins, pins); or
liquids of any kind (water, soft drinks,
etc.) to penetrate the unit.
liquids of any kind (water, soft drinks,
etc.) to penetrate the unit.
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012c
• 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 “Infor-
mation” page when:
• The AC adaptor or the power-
outlet, and request servicing by your
retailer, the nearest Roland Service
Center, or an authorized Roland
distributor, as listed on the “Infor-
mation” page when:
• The AC adaptor or the power-
supply cord has been damaged; or
• If smoke or unusual odor occurs
• Objects have fallen into, or liquid
• 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.
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.
the child is capable of following all the
rules essential for the safe operation of
the unit.
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014
• Protect the unit from strong impact.
(Do not drop it!)
(Do not drop it!)
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015
• Do not force the unit’s power-supply
cord to share an outlet with an unrea-
sonable 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.
sonable 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.
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016
• Before using the unit in a foreign
country, consult with your retailer, the
nearest Roland Service Center, or an
authorized Roland distributor, as
listed on the “Information” sheet.
nearest Roland Service Center, or an
authorized Roland distributor, as
listed on the “Information” sheet.
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019
• Batteries must never be recharged,
heated, taken apart, or thrown into fire
or water.
or water.
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