3
USING THE UNIT SAFELY
001
• Before using this unit, make sure to read the
instructions below, and the Owner’s Manual.
................................................................................................
002a
• Do not open or perform any internal modifi-
cations on the unit.
................................................................................................
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 / EDIROL Service Center,
or an authorized Roland distributor, as listed
on the "Information" page.
................................................................................................
004
• Never use or store the unit in places that are:
• 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
• Humid; or are
• Exposed to rain; or are
• Dusty; or are
• Subject to high levels of vibration.
................................................................................................
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.
00
8a
• The unit should be connected to a power
supply only of the type described in the
operating instructions, or as marked on the
unit.
................................................................................................
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!
................................................................................................
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 uncom-
fortable. If you experience any hearing loss or
ringing in the ears, you should immediately
stop using the unit, and consult an audiol-
ogist.
................................................................................................
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.
................................................................................................
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.
................................................................................................
014
• Protect the unit from strong impact.
(Do not drop it!)
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
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.
sd90_manual_e.book 3 ページ 2004年10月4日 月曜日 午後3時28分