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Yamaha MCR-B270D Manual

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Maintenance and care
• Do not use aerosols or spray-type chemicals that contain combustible gas for cleaning or
lubrication. The combustible gas will remain inside the unit, which may cause explosion or
fire.
Battery use
• Do not disassemble a battery. If the contents of the battery get on your hands or in your
eyes, it can cause blindness or chemical burns.
• Do not dispose of batteries in fire. Doing so may result in the battery bursting, causing a fire
or injury.
• Do not attempt to recharge batteries that are not intended to be charged. Charging could
cause the battery to burst or leak, which can cause blindness, chemical burns, or injury.
• If the batteries do leak, avoid contact with the leaked fluid. If the battery fluid should come in
contact with your eyes, mouth, or skin, wash immediately with water and consult a doctor.
Battery fluid is corrosive and may possibly cause loss of sight or chemical burns.
Wireless unit
• Do not use this unit near medical devices or inside medical facilities. Radio waves from this
unit may affect electro-medical devices.
• Do not use this unit within 15 cm (6 in) of persons with a heart pacemaker implant or a
defibrillator implant. Radio waves from this unit may affect electro-medical devices, such as
a heart pacemaker implant or defibrillator implant.
If you notice any abnormality
• If any of the following abnormalities occur, immediately turn off the power and disconnect
the power plug.
- The power cord/plug is damaged.
- An unusual smell or smoke is emitted from the unit.
- Foreign material gets into the interior of the unit.
- There is a loss of sound during use.
- There is a crack or damage in the unit.
Continued use could cause electric shocks, a fire, or malfunctions. Immediately request an
inspection or repair from the dealer where you purchased the unit or from qualified Yamaha
service personnel.
• Be careful not to drop or apply strong impact to this unit. If you suspect the unit may have
been damaged due to dropping or impact, immediately turn off the power and pull the power
plug from the AC outlet. Failure to observe this may cause electric shocks, a fire, or
malfunctions. Immediately request an inspection from the dealer where you purchased the
unit or from qualified Yamaha service personnel.
CAUTION
This content indicates “risk of injury.”
Power supply/power cord
• Do not use an AC outlet where the power plug fits loosely when inserted. Failure to observe
this may cause a fire, electric shocks, or burns.
• When removing the electric plug from the unit or an AC outlet, always hold the plug itself
and not the cord. Pulling by the cord can damage it and cause electric shocks or a fire.
• Insert the power plug firmly all the way into the AC outlet. Using the unit when it is not
plugged in sufficiently can cause dust to accumulate on the plug, causing a fire or burns.
Installation
• Do not place the unit in an unstable position where it might accidentally drop or fall over and
cause injuries.
• Do not block this unit's ventilation holes (cooling slits). This unit has ventilation holes on the
side to prevent the internal temperature from becoming too high. Failure to observe this
may trap heat inside the unit, causing a fire or malfunctions.
• When installing this unit:
- Do not cover it with any cloth.
- Do not install it on a carpet or rug.
- Make sure the top surface faces up; do not install on its sides or upside down.
- Do not use the device in a confined, poorly-ventilated location.
Failure to observe the above may trap heat inside the unit, causing a fire or malfunctions.
Ensure that there is adequate space around the unit: at least 5 cm (2 in) on top, 5 cm (2 in)
on the sides, and 5 cm (2 in) on the rear.
• Do not install the unit in places where it may come into contact with corrosive gases or salt
air or places that have excessive smoke or steam. Doing so may result in malfunction.
• Before moving this unit, be sure to turn off the power switch and disconnect all connection
cables. Failure to observe this may damage the cables or cause you to trip and fall.
• For proper installation of the outdoor antenna, make sure to have it done by the dealer from
where you purchased the unit or by qualified service personnel. Failure to observe this may
cause the installation to fall and result in injury. Installation requires special skills and
experience.
Hearing loss
• Do not use the unit for a long period of time at a high or uncomfortable volume level, since
this can cause permanent hearing loss. If you experience any hearing loss or ringing in the
ears, consult a physician.
• Before connecting the unit to other devices, turn off the power for all devices. Also, before
turning the power of all devices on or off, make sure that all volume levels are set to the
minimum. Failing to do so may result in hearing loss, electric shock, or device damage.
• When turning on the AC power in your audio system, always turn on the unit LAST, to avoid
hearing loss and speaker damage. When turning the power off, the unit should be turned off
… 4 …


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