WE SWITCH OF THE MACHINE
PRESS TOGETHER F1, F3 and Up Arrow, AND THEN TURN ON.
(CONTINUE PRESSING FOR 5 SECONDS F1, F3, UP ARROW)
WHEN THE MACHINE ITS TURNED ON
PRESS F2 (INIT MENU)
PRESS UP ARROW 2 TIMES
PRESS F1 (PUMP A)
PRESS F2 (PUMP B.)
TURN OFF
TURN ON