Please Read Carefully Before Proceeding - Yamaha MSR400 Owner's Manual

Thank you for purchasing the Yamaha MSR400 powered speaker system. The development of this powered speaker
is a natural extension of Yamaha's extensive experience and knowledge of PA devices. The MSR400 faithfully
reproduces sound for a wide range of applications. Please read this owner's manual thoroughly to make the best use
of the MSR400 for the longest possible period of time. Keep the manual in a safe place for future reference.

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
• 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 included 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.
Do not open
• Do not open the device or attempt to disassemble the internal parts or
modify them in any way. The device contains no user-serviceable parts. If it
should appear to be malfunctioning, discontinue use immediately and have
it 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
• Remove the electric plug from the outlet when the device is not to be used for
extended periods of time, or during electrical storms.
• 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.
Location
• Always consult qualified Yamaha service personnel if the device installation
requires construction work, and make sure to observe the following
precautions.
- Choose mounting hardware and an installation location that can support
the weight of the device.
- Avoid locations that are exposed to constant vibration.
- Inspect the device periodically.
• When transporting or moving 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.
• Before moving the device, remove all connected cables.
PRECAUTIONS
• Do not expose the device to rain, use it near water or in damp or wet
• Never insert or remove an electric plug with wet hands.
• If the power cord or plug becomes frayed or damaged, or if there is a sudden
• If this device should be dropped or damaged, immediately turn off the power
• Do not use the device in a confined, poorly-ventilated location. If this device
• Do not use the speaker's handles for suspended installation. Doing so can
• Do not expose the device to excessive dust or vibrations, or extreme cold or
• Do not place the device in an unstable position where it might accidentally
• Before connecting the device to other devices, turn off the power for all
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Water warning
conditions, or place containers on it containing liquids which might spill
into any openings.
If you notice any abnormality
loss of sound during use of the device, or if any unusual smells or smoke
should appear to be caused by it, immediately turn off the power switch,
disconnect the electric plug from the outlet, and have the device inspected by
qualified Yamaha service personnel.
switch, disconnect the electric plug from the outlet, and have the device
inspected by qualified Yamaha service personnel.
is to be used in a small space other than an EIA-standard rack, make sure
that there is adequate space between the device and surrounding walls or
other devices: at least 30cm at the sides, 30cm behind and 30cm above.
Inadequate ventilation can result in overheating, possibly causing damage to
the device(s), or even fire.
result in damage or injury.
heat (such as in direct sunlight, near a heater, or in a car during the day) to
prevent the possibility of panel disfiguration or damage to the internal
components.
fall over.
Connections
devices. Before turning the power on or off for all devices, set all volume
levels to minimum.
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