PX200 Regulator

Can someone tell me what each of the outputs from a PX200 (millennium Ed.) regulator are (i.e. regulated AC, unregulated AC, DC)? There appears to be 5 connections labelled (arrow), C, B+, G and G.

Also I can’t see where the feed to charge the battery is on the PX
diagram - does it just charge from the earth/return circuit?

Here’s a link to the PX wiring diagram (I have a better quality PDF
copy if someone that understands them would find it easier to see that):

http://us.a2.yahoofs.com/users/43c5a5d2z1708324b/b020/_sr/7eda.jpg?phI8C0DB1VN\

w_tf0

G(1) - go to ignition(alternator) (blue cabel)
G(2) - go to key (violet cabel) & go to fuse indicator (violet)
B+ - go to termic switch 8A & battery (rosso)
C - go to key control (bianco rosso): Horn, Remote control switch for starting motor
(arrow) - its (-) from battery

I had this same problem with my Vespa and i think wiring diagram its like T5 and Cosa
http://vespamaintenance.com/elec/charger/index.html

Mayby bad idea[:(]