You can download the G2 manual (pdf copy) from the Kyocera site:
http://www.kyoceraimaging.com/downloads.asp?section=downloads&itemnum=20 2000&digital=&film=202000&contax=
http://www.kyoceraimaging.com/downloads.asp?section=downloads&itemnum=20 2000&digital=&film=202000&contax=