A new group devoted to sharing knowledge about using the Butterfly vario and
optimizing it's settings has just started. You can ask to join he

https://groups.google.com/forum/#!fo...lide-display-s

We aren't picky about members: you just need an interest in the vario, don't even
need to own one.

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to email me)
- "A Guide to Self-Launching Sailplane Operation"
https://sites.google.com/site/motorg...ad-the-guide-1