Roland DS-30A 用户手册
4
USING THE UNIT SAFELY
001
•
Before using this unit, make sure to
read the instructions below, and the
Owner’s Manual.
read the instructions below, and the
Owner’s Manual.
......................................................................
002a
•
Do not open or perform any internal
modifications on the unit.
modifications on the unit.
......................................................................
003
•
Do not attempt to repair the unit, or
replace parts within it (except when
this manual provides specific instruc-
tions directing you to do so). Refer all
servicing to your retailer, the nearest
Roland Service Center, or an autho-
rized Roland distributor, as listed on
the “Information” page.
replace parts within it (except when
this manual provides specific instruc-
tions directing you to do so). Refer all
servicing to your retailer, the nearest
Roland Service Center, or an autho-
rized Roland distributor, as listed on
the “Information” page.
......................................................................
004
•
Never use or store the unit in places
that are:
• Subject to temperature extremes
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.
• 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.
placed so it is level and sure to remain
stable. Never place it on stands that
could wobble, or on inclined surfaces.
......................................................................
008a
•
The unit should be connected to a
power supply only of the type
described in the operating instruc-
tions, or as marked on the unit.
power supply only of the type
described in the operating instruc-
tions, or as marked on the unit.
......................................................................
008e
•
Use only the attached power-supply
cord.
cord.
......................................................................
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!
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 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.
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.
.....................................................................
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.
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.
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!)
.....................................................................
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.
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.
.....................................................................
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" page.
country, consult with your retailer, the
nearest Roland Service Center, or an
authorized Roland distributor, as
listed on the "Information" page.
.....................................................................
026
•
Do not put anything that contains
water (e.g., flower vases) on this unit.
Also, avoid the use of insecticides,
perfumes, alcohol, nail polish, spray
cans, etc., near the unit. Swiftly wipe
away any liquid that spills on the unit
using a dry, soft cloth.
water (e.g., flower vases) on this unit.
Also, avoid the use of insecticides,
perfumes, alcohol, nail polish, spray
cans, etc., near the unit. Swiftly wipe
away any liquid that spills on the unit
using a dry, soft cloth.
.....................................................................
101a
•
The unit should be located so that its
location or position does not interfere
with its proper ventilation.
location or position does not interfere
with its proper ventilation.
......................................................................
102b
•
Always grasp only the plug on the
power-supply cord when plugging
into, or unplugging from, an outlet or
this unit.
power-supply cord when plugging
into, or unplugging from, an outlet or
this unit.
......................................................................
104
•
Try to prevent cords and cables from
becoming entangled. Also, all cords
and cables should be placed so they
are out of the reach of children.
becoming entangled. Also, all cords
and cables should be placed so they
are out of the reach of children.
......................................................................
106
•
Never climb on top of, nor place heavy
objects on the unit.
objects on the unit.
......................................................................
107b
•
Never handle the power cord or its
plugs with wet hands when plugging
into, or unplugging from, an outlet or
this unit.
plugs with wet hands when plugging
into, or unplugging from, an outlet or
this unit.
......................................................................
108a
•
Before moving the unit, disconnect the
power plug from the outlet, and pull
out all cords from external devices.
power plug from the outlet, and pull
out all cords from external devices.
......................................................................
109a
•
......................................................................
110a
•
Whenever you suspect the possibility
of lightning in your area, pull the plug
on the power cord out of the outlet.
of lightning in your area, pull the plug
on the power cord out of the outlet.
......................................................................
118
•
Should you remove the optical
connector caps, make sure to put them
in a safe place out of children's reach,
so there is no chance of them being
swallowed accidentally.
connector caps, make sure to put them
in a safe place out of children's reach,
so there is no chance of them being
swallowed accidentally.
......................................................................
119
•
The top of the unit may become hot, so
take care to avoid burns.
take care to avoid burns.
......................................................................
Used for instructions intended to alert
the user to the risk of injury or material
damage should the unit be used
improperly.
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.
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 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.
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.
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.
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.