Yamaha RY20 Owner's Manual - Precautions

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Your RY20 will give you years of reliable service if you follow the simple rules given below:

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Location

Do not expose the instrument to the following conditions, to avoid deformation, 

discoloration, or more serious damage.

•

Direct sunlight, such as near a window.

•

High temperatures, for example, near a heat source, outdoors, or in a car during the 

daytime.

•

Excessive humidity.

•

Excessive dust.

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Strong vibrations.

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Power Supply

Always use the supplied Yamaha AC Adaptor to power your RY20. Other adaptors may cause 

damage to the RY20. Also, make sure that the adaptor you have is appropriate for the AC 

mains supply voltage in the area where you intend to use the RY20.

Turn the power OFF and unplug the AC adaptor when the instrument is not in use.

Unplug the AC adaptor during electrical storms.

Avoid plugging the AC adaptor used with the RY20 into the same AC mains outlet as 

appliances with high power consumption, such as electric heaters or ovens. Also avoid using 

multi-plug adaptors since these can result in reduced sound quality and possibly damage.

Turn off the power before making or breaking connections.

To avoid damage to the instrument and other devices to which it is connected (a sound 

system, for example), always turn the power switches of all related devices OFF before 

connecting or disconnecting audio and MIDI cables.

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Handling and Transport

Never apply excessive force to the controls, connectors, or other parts of the instrument.

Always plug and unplug any cables by gripping the connector, 

not

 the cord itself. Disconnect 

all cables before moving the instrument.

Dropping the RY20 or otherwise subjecting it to strong physical shocks can damage it. Handle 

it with care.

Precautions

NOTE

The correct INPUT voltage is marked on the top of the adaptor.