M83            ; relative extruder moves
G1 E-2 F3600   ; retract 2mm of filament
G91            ; relative positioning
G1 Z5 F360     ; lift Z by 5mm
G90            ; absolute positioning
M98 P"0:/macros/Park Head"
G1 E20 F500                     ; Extrude slowly
G1 E-100 F1500                  ; Retract fast... ly

M300 S1000 P100                 ; beep
G4 P100
M300 S1100 P100                 ; beep
G4 P100
M300 S1200 P500                 ; beep
G4 P100