Ducati SUPERBIKE 1198 Owner's Manual page 24

"TRIP FUEL" (distance travelled on reserve fuel)
vs. EU, CND, FRA, JAP
indicator
E
This function displays the distance travelled on reserve fuel.
When the fuel warning light comes on, the TRIP FUEL meter
is activated automatically, regardless of the function displayed.
If the fuel level remains in reserve, the reading is saved even
after Key-Off.
The count stops automatically when the fuel level rises
above reserve.
If the reading exceeds 999.9, it is reset and the count restarts
automatically.
vs. UK, USA
fig. 17
23