Here's one for the NTSC version. The sample pages are watermarked, and it looks like you can view them all. I didn't click download though, so I don't know if you have to register or pay...
http://www.manualslib.com/manual/104...?page=6#manual
If you have a specific question, my machines are sitting right beside me... (BVW-70 and BVW-65).
And there's this site, with relatively recent activity:
http://www.palsite.com/chat_page.py?r=1&cp=Betacam;
A Google drive resource shows up in the search, too.
Good luck!
Chip