Gibson Guitars 1550-07 GUS Function, Action, Remarks, MCK Position, reference pitch, Display LEDs

Models: 1550-07 GUS

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Display LEDs

Function

Display LEDs

Reference Tuning

I LED shining red

(Tune to selected

 

 

 

reference pitch)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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MCK Position

 

 

 

 

 

 

 

Pull MCK out and

 

 

 

turn to I LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Action

Pull out (disengage) the peg of the Powerhead you choose to tune to a reference pitch. Now tune this string to match your chosen ref- erence. Push peg back into engaged position. Begin tuning your guitar by pressing the display. The letter “I” will shine green and ALL string LEDs will shine red.

# Reference Tuningreference pitch)

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Remarks

Strum the SAME string you have just tuned to your reference pitch. When this string’s LED shines solid green its frequency has been measured and stored. Now strum all strings, and the Powertune system will tune your guitar to ‘normal tuning’ based on your chosen reference string. (LEDs will behave the same as during normal tuning.) When the reference tuning is achieved, the “I” will flash on and off in blue.

Should you wish to store your new ‘Reference Tuning,’ simply turn the MCK to one of the factory preset positions (E, A, D, G, B, or e) and press the display once. The display LEDs will flash blue 3 times to indicate your new Reference Tuning has been stored at that position, and can be recalled in the same manner as any other preset by choosing that position.

(Remember that you don’t have to “store” your new Reference Tuning. Simply push the MCK back into normal position and you are ready to go!)

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Gibson Guitars 1550-07 GUS manual Function, Action, Remarks, MCK Position, reference pitch, Display LEDs, Reference Tuning