Ducati 749S 2002 Manuel D'utilisation Et Entretien page 160

The vertical position of the headlamp is set by means of
the adjusting knobs (1, fig. 75) on the left side of the
headlamp. Rotate the knobs clockwise to lower the
beam or anti-clockwise to raise it.
Note
To gain access to the lower knob, you must first
remove the headlamp fairing as described on page 54.
E
Rear view mirror adjustment (fig. 76)
The rear view mirror is adjusted manually by pressing at
position (A).
70
1
DOWN
UP
fig. 75
A
fig. 76