Ducati SPORTTOURING ST4S ABS Owner's Manual page 22

Beam vertical adjustment (fig. 12.1-12.2)
This function allows headlight beam height setting.
To enter this function, hold down button (B, see fig. 5.1)
and turn the key to ON; the display shows a value (fig.
12.2) corresponding to beam position and the pilot light
on the display, indicating beam vertical setting mode (12,
fig. 6) comes on.
Use buttons (A) and (B), respectively, to lower or raise
the beam. Range available is from position "3" (max.
E beam height) to position "-3" (min. beam height).
Turn the key to OFF to exit the function. While exiting
setting mode, the selected beam position is stored.
B
A
A
22
B
A
B
B
A
B
fig. 12.1
A
A
B
fig. 12.2