On Thursday, 17 March 2016 03:15:06 UTC, stevehaley wrote:
This is now in beta and available for general download from
http://www.sjhaley.com/cupx/createcupx.htm

Cupx files are turnpoint files with embedded pictures that can be used
in LXNav flight computers along with Seeyou mobile. LX Navigation's
Zeus also supports Cupx but I have not tested it with that instrument.
This program can create a tp file using your own pictures and/or
Google Sat pictures for each TP

rgds
Stephen

thanks to the brave alpha testers

It may be possible to create a file starting from .cup. Having created it, I can't see a way of opening the cupx file and editing it