Gibson Guitars 1550-07 GUS Guitar User Manual


 
33
F u n c t i o n Display LEDs A c t i o n R e m a r k s
R e f e r ence Tuning
( Tune to selected
re f e rence pitch)
Pull MCK out and
t u r n to I LED
I LED shining re d
Pull out (disengage) the
peg of the Powerh e a d
you choose to tune to a
re f e r ence pitch. Now
tune this string to
match your chosen re f -
e r ence. Push peg back
into engaged position.
Begin tuning your guitar
by pressing the display.
The letter “I” will shine
g r een and ALL string
LEDs will shine re d .
S t r um the SAME string you have just tuned to your
re f e r ence pitch. When this string’s LED shines solid
g r een its frequency has been measured and store d .
Now strum all strings, and the Powertune system will
tune your guitar to ‘normal tuning’ based on your
chosen re f e r ence string. (LEDs will behave the same
as during normal tuning.) When the re f e r ence tuning
is achieved, the “I” will flash on and off in blue.
Should you wish to store your new ‘Reference Tu n i n g , ’
simply turn the MCK to one of the factory pre s e t
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 store d
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
R e f e r ence Tuning. Simply push the MCK back into
n o r mal position and you are ready to go!)
MCK Position