C-MAP PCPlanner--Furuno file exchange

[DynaMeme]

Downloaded my waypoints and routes from Furuno plotter to C-MAP's PCPlanner via memory card. Edited one waypoint. Now they won't reload to Plotter...and all original waypoints and routes on plotter erased. Plotter can detect that waypoints and routes are on the memory card but won't/can't load. It transfered "Marks" both ways without difficulty.

Anyone else out there encounter this?

hating proprietary formats right now, thanks, DM

[camaraderie]

don't know the answer to your question, but C-Map.com has a forum where you may be able to get an answer from the source.