I purchased a Garmin 276c GPSMAP. I understand that the memory cards are proprietary. My question is how do I send map images to it? My computer does not see the unit's drive configurations. There are no folders available to drop the the image files to.
Me and my mates exchange .gpx files for dirt bike trail rides. The other two fellows have City Navigator 2010.10. Does anyone have an unlocked version of this? If ...