Jpdiag

Hello all
I see so much ref to JPDIAG I want to learn its abilities.
Not much of a keyboard jock but I can spin wrenches and fix stuff that's broken.
I'm here to hopefully learn
Current Ducati's
1992 907ie
2004 M800 Monster

Ducati's of the past
2007 S4RS
M750 Monster
M900 Monster