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PLEASE READ CAREFULLY BEFORE PROCEEDING
Please keep this manual in a safe and handy place for future reference.
WARNING
Always follow the basic precautions listed below to avoid the possibility of serious injury or even
death from electrical shock, short-circuiting, damages, fire or other hazards. These precautions
include, but are not limited to, the following:
Do not disassemble
• This product contains no user-serviceable parts. Do not
open the units or attempt to disassemble or modify the
internal components in any way. If they should appear to
be malfunctioning, discontinue use immediately and
have it inspected by qualified Yamaha service
personnel.
• Repairs or part replacement should not be attempted
unless instructions are provided in the manual.
Handling
• Do not use or store the units in any of the following
locations. Doing so may cause fire or electric shock.
- In places subject to high temperatures (near a heating
device or in direct sunlight, etc.).
- In places subject to low temperatures.
- In places where the units may be exposed to moisture
(bathroom, on wet floors, etc.) and excessive humidity.
- In places where the units may be exposed to rain.
- In places with excessive dust.
- In places subject to vibrations.
• Never insert or remove an electric plug with wet hands.
Improper grounding may result in electrical shock.
• Never put foreign objects (combustible objects, coins,
wire, etc.) or liquids (water, juice, etc.) in the units.
Doing so can cause fire or electrical shock.
PRECAUTIONS
DMI-7
Power supply/AC adaptor
• Only use the voltage specified as correct for the
instrument. The required voltage is printed on the name
plate of the instrument.
• Do not place the power cord of the AC adaptor near heat
sources such as heaters or radiators. Also, do not
excessively bend or otherwise damage the cord or place
heavy objects on it.
• Use the specified AC adaptor only. Using the wrong AC
adaptor can result in damage to the units or overheating.
• Check the electric plug periodically and remove any dirt
or dust which may have accumulated.
• Do not connect the controller unit to an electrical outlet
using a multiple-connector. Doing so may cause the
outlet to overheat.
• When removing the electric plug from the unit or an
outlet, always hold the plug itself and not the cord.
Pulling by the cord can damage it.
• Turn off the power switch and remove the electric plug
from the outlet when the unit is not being used or during
electrical storms.
If you notice any abnormality
• When one of the following problems occur, immediately
turn off the power switch, unplug the AC adapter and
have the device inspected by Yamaha service personnel.
- If the AC adapter or power cord becomes damaged.
- If foreign objects or liquids have gotten into the unit.
- If the unit gets wet (rain, etc.).
- If the unit operates abnormally or is broken.
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YVD20 YVD10 Owner's Manual
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