Gibson Guitars 1550-07 GUS - Manual (Page 47)

45
Function MCK Position Display LEDs Action Remarks
Global
Calibration
Offset
On / Off Enter Setup Mode
turn to LED C and
press display once LED C shining blue,
Peg LED shines white Turn MCK left
(Counterclockwise)
to switch off
Global Calibration
red B LED
indicates OFF
Turn MCK left
(clockwise) to
switch on Global
Calibration green
LED indicates ON
Press Enter to
store
When a Calibration
Mode is in effect,
your selected
fundamental
frequency will now
apply to all your
presets