Yamaha EMX512SC Owner's Manual | Page 3

Yamaha Musical Instruments Owner's Manual - EMX512SC.
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EMX512SC/EMX312SC/EMX212S

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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:

• 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.

• Be sure to connect to an appropriate outlet with a protective grounding 

connection. Improper grounding can result in electrical shock.

• 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.

• Do not expose the device to rain, use it near water or in damp or wet conditions, 

or place containers on it containing liquids which might spill into any openings.

• 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 

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.

• 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:

• 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.

• 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.

• If this device is to be mounted in an EIA-standard rack, leave the back of the rack 

open and make sure that it is at least 10 cm away from walls or surfaces. Also, if 
this device is to be mounted with devices that tend to generate heat, such as 
power amplifiers, be sure to keep an adequate gap between this device and the 
heat-generating devices or install ventilation panels to prevent high 
temperatures from developing inside this device.
Inadequate ventilation can result in overheating, possibly causing damage to the 
device(s), or even fire.

• Do not use the device in a confined, poorly-ventilated location. If this device 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 10 cm at the sides, 25 cm behind and 15 cm above. Inadequate ventilation 
can result in overheating, possibly causing damage to the device(s), or even fire.

• Avoid setting all equalizer controls and faders to their maximum. Depending on 

the condition of the connected devices, doing so may cause feedback and may 
damage the speakers.

• Do not expose the device to excessive dust or vibrations, or extreme cold or 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.

• 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 rear and side 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 use the device in the vicinity of a TV, radio, stereo equipment, mobile 

phone, or other electric devices. Doing so may result in noise, both in the device 
itself and in the TV or radio next to it.

• 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.

• Use only speaker cables for connecting speakers to the speaker jacks. Use of 

other types of cables may result in fire.

• When turning on the AC power in your audio system, always turn on the device 

or external power amplifiers LAST, to avoid speaker damage. When turning the 
power off, the device or external power amplifiers should be turned off FIRST for 
the same reason.

• Do not insert your fingers or hands in any gaps or openings on the device 

(vents, etc.).

• Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into any 

gaps or openings on the device (vents, etc.) If this happens, turn off the power 
immediately and unplug the power cord from the AC outlet. Then have the 
device inspected by qualified Yamaha service personnel.

• Do not use the device 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.

• Do not rest your weight on the device or place heavy objects on it, and avoid use 

excessive force on the buttons, switches or connectors.

Power supply/Power cord

Do not open

Water warning

If you notice any abnormality

Power supply/Power cord

Location

Connections

Handling caution

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