Because my Garmin GPSMAP 4010 is not recognised by
OpenCPN, for transferring routes to Garmin in G-Mode, I export the route from O to EasyGPS initially.
It is then possible to transfer the route (plus waypoints) from EasyGPS to the 4010 by using Garmin 76 settings in EasyGPS.
EasyGPS allows the user the choice of a GPS to export to. OpenCPN seems to rely on recognising the Garmin model by the identification data sent from the plotter to OpenCPN. If O cannot recognise this data then a direct transfer fails.
It would be nice if we had the option in O of choosing the model of plotter we are sending to, rather than relying on O recognising the plotter, if this makes sense!!!
OpenCPN provides the best planning tools for my routes.
Mike