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Using the unit safely
Backing Keyboard BK-5
r
5
• 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.
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• 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 “Informa-
tion” page.
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• Do NOT play a CD-ROM disc on a conventional audio CD
player. The resulting sound may be of a level that could
cause permanent hearing loss. Damage to speakers or
other system components may result..
• The unit and the AC adaptor should be located so their
location or position does not interfere with their proper
ventilation.
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•Always grasp only the plug on the AC adaptor cord when
plugging into, or unplugging from, an outlet or this unit.
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• At regular intervals, you should unplug the AC adaptor
and clean it by using a dry cloth to wipe all dust and
other accumulations away from its prongs. Also, discon-
nect the power plug from the power outlet whenever the
unit is to remain unused for an extended period of time.
Any accumulation of dust between the power plug and the power
outlet can result in poor insulation and lead to fire.
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• Try to prevent cords and cables from becoming entan-
gled. Also, all cords and cables should be placed so they
are out of the reach of children.
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• Never climb on top of, nor place heavy objects on the
unit.
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• Never handle the AC adaptor or its plugs with wet hands
when plugging into, or unplugging from, an outlet or
this unit.
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• Before moving the unit, disconnect the AC adaptor and
all cords coming from external devices.
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• Before cleaning the unit, turn off the power and unplug
the AC adaptor from the outlet (see p. 20).
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•Whenever you suspect the possibility of lightning in your
area, disconnect the AC adaptor from the outlet.
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BK-5_US.book Page 5 Monday, November 14, 2011 12:43 PM