Garmin has taken the power and database versatility of the PC, and merged it with the art and science of cartography. The result is their exclusive MapSource CD ROM products. MapSource CD ROM's are storehouses of map data which can be downloaded from your PC to your CD compatible Garmin GPS. With a number of different products to target different needs, these CD's augment the base maps built-in to the line of Garmin GPS's. BlueChart is Garmin's exclusive marine cartography. Enjoy detailed nautical chart data with object-oriented cartography right on your PC. The data is presented with that paper chart appearance and includes depth contours, spot soundings, port plans, intertidal zones, and more. Use your BlueChart CD to plan trips, upload/down load to your chartplotter or handheld, or even make your own cartridges with the USB programmer. Note: when uploading/downloading to a fixed mount plotter be sure to include an AC/PC Adapter below.