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EN

- When the batteries run out, or if the instrument is not to be used for a long time, remove the 

batteries from the instrument.

• Do not carry or store batteries with other metal objects such as necklaces, hairpins, metal 

coins, or keys.

• 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.

 CAUTION

Always follow the basic precautions listed below to avoid the possibility of 
physical injury to you or others, or damage to the instrument or other 
property. These precautions include, but are not limited to, the following:

• Before connecting the instrument to other electronic components, turn off the power for all 

components. Before turning the power on or off for all components, set all volume levels to 
minimum.

• Be sure to set the volumes of all components at their minimum levels and gradually raise the 

volume controls while playing the instrument to set the desired listening level.

• Do not place the instrument in an unstable position where it might accidentally fall over.

• Do not rest your weight on, or place heavy objects on the instrument, and do not use 

excessive force on the buttons, switches or connectors.

• Do not use the instrument/device or headphones 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.

Connection

* Yamaha cannot be held responsible for damage caused by improper use or 

modifications to the instrument, or data that is lost or destroyed.

* Make sure to discard used batteries according to local regulations.
* Please read the instruction manual for the external audio device such as a 

guitar amplifier, etc., prior to use.

Location

Handling caution

Summary of Contents for System66

Page 1: ...m System66 Pickup Bar Sensor Piezo type Preamplifier Controls Vol 3 Band EQ HIGH MID LOW AMF control TUNER Output Jack Combination end pin power switch Output Impedance 1kΩ Batteries Size AA alkaline battery LR6 x2 Battery Life Approx 180 hours Without tuner and using alkaline batteries May differ due to operating conditions Tuner Chromatic type 12 semi tones A4 440Hz Accuracy range 3 cents Access...

Page 2: ...strument turn off the power immediately and have the instrument inspected by qualified Yamaha service personnel When one of the following problems occur immediately turn off the power and remove all batteries from the instrument then have the instrument inspected by Yamaha service personnel It emits unusual smells or smoke Some object has been dropped into the instrument There is a sudden loss of ...

Page 3: ...er on or off for all components set all volume levels to minimum Be sure to set the volumes of all components at their minimum levels and gradually raise the volume controls while playing the instrument to set the desired listening level Do not place the instrument in an unstable position where it might accidentally fall over Do not rest your weight on or place heavy objects on the instrument and ...

Page 4: ...ion Battery Holder Control Section Output Jack with power switch function Sound Hole Cover supplied The built in preamplifier is automatically turned ON when a guitar cable is connected to the output jack The tuner can be turned on or off anytime ...

Page 5: ...vel setting Turn clockwise to boost or counter clockwise to cut LOW Boosts or cuts the level of the low frequencies MID Boosts or cuts the level of the middle frequencies The AMF control r adjusts the center frequency of the band affected by this control HIGH Boosts or cuts the level of the high frequencies r AMF Adjustable Mid Frequency Control Sets the center frequency of the band of frequencies...

Page 6: ...switch the tuner power ON w Tune the guitar string until the note name of the desired pitch appears in the display e The string is in tune when only the lamp lights in the center of the display r Press the TUNER switch again to switch the tuner power OFF Also if the note name is not shown in the display for more than 1 minute the power will automatically switch OFF display goes off It may take a f...

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