Hiya, the manual can be found here on this link:
http://www.flytec.ch/download/Serie3000/3020-E.pdf
Also, do you like the vario? I'm considering buying one used, and can't find much info on it. I'm just starting to soar in the mountains of Colorado, always been a beach/dune HG pilot. Just looking for the basics--am I going up? How fast? Thanks!