The below information applies to both the FrontAux3 MIDI and the Fat FrontAux3 MIDI:
FS4 - RED/RED
FS5 RED/GREEN
Preset Down - Red/Blue
Preset Up - Red/Purple
Previous Footswitch Mode - Red/White
Next Footswitch Mode - Red / Yellow
Previous Snapshot - Green / Red
Next Snapshot - Green / Green
Snap1 - Green / Blue
Snap2 - Green / Purple
Snap3 - Green / White
Snap4 - Green / Yellow
tuner - Blue / Red
Bypass - Blue / Green
Tap - Blue / Blue
CC Static 101 - Blue / Purple
CC Toggle 101 - Blue / White
CC Static 102 - Blue / Yellow
CC Toggle 102 - Purple / Red
CC Static 103 - Purple / Green
CC Toggle 103 - Purple / Blue
FS7 - Purple / Purple
FS8 - Purple / White
Press and hold #0 switch until satus pixel red = config mode, release switch
press footswitch to edit that switch; editing is a combo of status pixel & footswitch pixel; press new footswitch to edit that switch, press again to start changing it
Press & hold #1 for editing midi channel, status turns blue
Switch 0 decrements, switch 1 increments, flashes midi channel red for 5, green for 1
Hold #2 for snapshot mode. till status pixe, release, then #2 changes; flood white == enable, flood red == disabled