4
USING THE UNIT SAFELY
002c
Do not open (or modify in any way) the unit or
its AC adaptor.
......................................................................................................................
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 separate
sheet titled “Information.”
......................................................................................................................
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.
......................................................................................................................
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.
......................................................................................................................
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.
......................................................................................................................
008e
Use only the attached power-supply cord. Also,
the 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!
......................................................................................................................
Used for instructions intended to alert the us er
to the risk of injury or material damage should
the unit be used improperly.
* Material damage refers to damage or other
adverse eects caused with respec t to the
home and all its furnishings, as well to
domestic animals or pets.
Used for instructions intended to alert the us er
to the risk of death or severe injury should the
unit be used improperly.
The symbol alerts the user to things that must b e carried
out. The specic thing that must be done is indicate d by the
design contained within the circle. In the case of the s ymbol at
left, it means that the power-cord plug must be unplugged
from the outlet.
The symbol alerts the user to import ant instructions or
warnings.The specic meaning of the symbol is deter mined by
the design contained within the triangle. In the cas e of the
symbol at left, it is used for general cautio ns, warnings, or alerts
to danger.
The symbol alerts the user to items that must neve r be
carried out (are forbidden). The specic thing that mus t not be
done is indicated by the design contained within the circ le. In
the case of the symbol at left, it means that the un it must never
be disassembled.

About WARNING and CAUTION Notices About the Symbols

ALWAYS OBSERVE THE FOLLOWING

SD-50_e.book 4 ページ 2010年1月25日 月曜日 午前10時52分