Gibson Electric guitar Owner's Manual page 33

Function MCK Position
DADGAD Tuning Pull MCK out and turn
440Hz, DADGAD to A LED
Dropped D Tuning Pull MCK out and turn
440Hz, DADGBE to D LED
Delta Blues Tuning Pull MCK out and turn
440Hz, DGDGBD to G LED
Display LEDs Action
A LED shining blue Enter by pressing
the display once—
b, #, and all string
LEDs will shine red
See above
D LED shining blue
See above
G LED shining blue
31
Remarks
While you strum, Powerheads
start turning, individual
strings will shine green
when in tune, all LEDs will
flash blue 3 times when
tuning is complete. After
blue lights flash, push MCK
back in.
See above
See above