Ducati Superbike 1299 Panigale S 2016 Owner's Manual page 255

Warning
Riding the motorcycle in FLAT (F) position and
with a pillion rider may cause motorcycle instability.
Ducati strongly advises against riding the motorcycle
with rear suspension in FLAT (F) position and a pillion
rider.
Important
FLAT (F) position allows having several track
alignments, such as in racing versions.
PROGRESSIVE (P) position is recommended when
riding with a pillion rider.
254
P
F
Fig. 160