Roland GA-212 Musical Instrument Amplifier User Manual


 
2
USING THE UNIT SAFELY
Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY INSTRUCTIONS” (inside front cover), “USING THE UNIT SAFELY“ (p. 2),
and “IMPORTANT NOTES“ (p. 3). These sections provide important information concerning the proper operation of the unit. Additionally, in order to
feel assured that you have gained a good grasp of every feature provided by your new unit, Owner’s Manual should be read in its entirety. The manual
should be saved and kept on hand as a convenient reference.
WARNING
Turn o the unit if an abnormality or malfunction
occurs
Immediately turn the unit o, remove the
power cord from the outlet, and request
servicing by your retailer, the nearest
Roland Service Center, or an authorized
Roland distributor, as listed on the
“Information” page when:
• The power-supply cord or the plug has
been damaged; or
• If smoke or unusual odor occurs; or
• 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.
Adults must provide supervision in places where
children are present
When using the unit in locations where
children are present, be careful so no
mishandling of the unit can take place. An
adult should always be on hand to provide
supervision and guidance.
Do not drop or subject to strong impact
Protect the unit from strong impact.
(Do not drop it!)
Do not share an outlet with an unreasonable number
of other devices
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.
Do not use overseas
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” page.
Do not connect the unit to an electrical outlet when
there is condensation on or in it
When moved from one location to
another where the temperature and/or
humidity is very dierent, water droplets
(condensation) may form inside the unit.
When such conditions exist, you risk
causing malfunction if you connect the
unit to an electrical outlet. First, make sure
any condensation has been eliminated by
allowing the unit to acclimate for several
hours; then, you can connect it to an
electrical outlet.
WARNING
Make sure that the power cord is grounded
Connect mains plug of this model to a
mains socket outlet with a protective
earthing connection.
Do not disassemble or modify by yourself
Do not open or perform any internal
modications on the unit.
Do not repair or replace parts by yourself
Do not attempt to repair the unit, or
replace parts within it (except when this
manual provides specic 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” page.
Do not use or store in the following types of 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
oors); 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.
Do not place in an unstable location
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.
Connect the power cord to an outlet of the correct
voltage
The unit should be connected to a power
supply only of the type described as
marked on the rear side of unit.
WARNING
Use only the included power cord
Use only the attached power-supply cord.
Also, the included power cord must not be
used with any other device.
Do not bend the power cord or place heavy objects
on it
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 re and shock hazards!
Avoid extended use at high volume
This unit, either alone or in combination
with an amplier 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.
Don’t allow foreign objects or liquids to enter unit;
never place containers with liquid on unit
Do not place containers containing liquid
on this product. Never allow foreign
objects (e.g., ammable objects, coins,
wires) or liquids (e.g., water or juice) to
enter this product. Doing so may cause
short circuits, faulty operation, or other
malfunctions.
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.
About WARNING and CAUTION Notices
About the Symbols
ALWAYS OBSERVE THE FOLLOWING