Ducati Superbike 1198 2010 Owner's Manual page 23

Trip meter "TRIP B"
E
This function displays the distance travelled since the last reset.
While in this function, if you press switch (1, fig. 10) in
position B "▼" for 3 seconds, the reading is reset.
If the reading exceeds 999.9, it is reset to zero and the
count restarts automatically.
22
vs. EU, CND, FRA, JAP
vs. UK, USA
fig. 16