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MG20XU/MG20/MG16XU/MG16/MG12XU/MG12 Owner’s Manual
5
PRECAUTIONS
PLEASE READ CAREFULLY
BEFORE PROCEEDING
Please keep this manual in a safe 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:
Power supply/power cord
• Do not place the power cord near heat sources such as
heaters or radiators, and do not excessively bend or
otherwise damage the cord, place heavy objects on it, or
place it in a position where anyone could walk on, trip over,
or roll anything over it.
• Only use the voltage specified as correct for the device. The
required voltage is printed on the name plate of the device.
• Use only the supplied power cord/plug.
If you intend to use the device in an area other than in the
one you purchased, the included power cord may not be
compatible. Please check with your Yamaha dealer.
• Check the electric plug periodically and remove any dirt or
dust which may have accumulated on it.
• Be sure to connect to an appropriate outlet with a protective
grounding connection. Improper grounding can result in
electrical shock, damage to the device(s), or even fire.
Do not open
• This device contains no user-serviceable parts. Do not open
the device or attempt to disassemble the internal parts or
modify them in any way. If it should appear to be
malfunctioning, discontinue use immediately and have it
inspected by qualified Yamaha service personnel.
Water warning
• Do not expose the device to rain, use it near water or in
damp or wet conditions, or place on it any containers (such
as vases, bottles or glasses) containing liquids which might
spill into any openings. If any liquid such as water seeps
into the device, turn off the power immediately and unplug
the power cord from the AC outlet. Then have the device
inspected by qualified Yamaha service personnel.
• Never insert or remove an electric plug with wet hands.
Fire warning
• Do not put burning items, such as candles, on the unit.
A burning item may fall over and cause a fire.
If you notice any abnormality
• When one of the following problems occur, immediately turn
off the power switch and disconnect the electric plug from
the outlet. Then have the device inspected by Yamaha
service personnel.
- The power cord or plug becomes frayed or damaged.
- It emits unusual smells or smoke.
- Some object has been dropped into the device.
- There is a sudden loss of sound during use of the device.
• If this device should be dropped or damaged, immediately
turn off the power switch, disconnect the electric plug from
the outlet, and have the device inspected by qualified
Yamaha service personnel.
CAUTION
Always follow the basic precautions listed below to
avoid the possibility of physical injury to you or others,
or damage to the device or other property. These
precautions include, but are not limited to, the following:
Power supply/power cord
• When removing the electric plug from the device or an
outlet, always hold the plug itself and not the cord. Pulling
by the cord can damage it.
• Remove the electric plug from the outlet when the device is
not to be used for extended periods of time, or during
electrical storms.
Location
• Do not place the device in an unstable position where it
might accidentally fall over.
• Do not block the vents. This device has ventilation holes at
the bottom/sides to prevent the internal temperature from
becoming too high. In particular, do not place the device on
its side or upside down. Inadequate ventilation can result in
overheating, possibly causing damage to the device(s), or
even fire.
• Do not place the device in a location where it may come into
contact with corrosive gases or salt air. Doing so may result
in malfunction.
• Before moving the device, remove all connected cables.
• When setting up the device, make sure that the AC outlet
you are using is easily accessible. If some trouble or
malfunction occurs, immediately turn off the power switch
and disconnect the plug from the outlet. Even when the
power switch is turned off, electricity is still flowing to the
product at the minimum level. When you are not using the
product for a long time, make sure to unplug the power cord
from the wall AC outlet.
• When rackmounting the device, always use two or more
people. Attempting to lift the device by yourself may
damage your back, result in other injury, or cause damage
to the device itself.
• If the device is mounted in an EIA standard rack, carefully
read the section “Precautions for Rack Mounting” on page
35. Inadequate ventilation can result in overheating,
possibly causing damage to the device(s), malfunction, or
even fire.
Connections
• Before connecting the device to other devices, turn off the
power for all devices. Before turning the power on or off for
all devices, set all volume levels to minimum.
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Precautions