Garmin supports its customers Chartplotters through a program named HomePort. This $30 program is great. it allows the user to manage their waypoints: Add, delete, sort and easily upload back to the chartplotter. After using the chartplotter fishing, you can saved your information from that day , i.e. MOB, mark data, and vessel tracks. Many questions have been ask of Furuno as to "how can I convert my waypoints." I would recommend that Furuno and Jeppesen get their heads together and develop something similar to HomePort. Your customers would love it.
Andy
Andy