Ducati Diavel 1260 Owner's Manual page 84

Entering the code:
1) Press button (4), only one digit indicating "0" is
highlighted;
2) each time you press the button (2) the displayed
number increases by one (+ 1) up to "9" and then
starts back from "0";
3) each time you press the button (1) the displayed
number decreases by one (- 1) up to "1" and then
starts back from "0";
4) to confirm the number, press the button (4).
Repeat the procedures until you confirm all the four
digits of the PIN CODE.
0000
INSER PIN
2000
INSER PIN
2600
INSER PIN
2630
INSER PIN
2639
INSER PIN
1
2 4
Fig 62
83