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Garmin GPSMAP GPS accessories let you maximize your use of these state of the art marine GPS units. Garmin GPSMAP fish finders can be complicated to use since they pack so many features into one device. You might not think you need a Garmin GPSMAP accessory until you boot up the chart plotter for the first time and realize the vast capabilities Garmin has programmed into the device. The intuitive touch screen functionality of these Garmin fishfinders makes the task slightly easier, but the touchscreen won't help you set up map sharing, the fishfinder's integrated instrument components, or the other advanced features that really elevate the GPSMAP the next level of marine chart plotters. Thankfully, you can learn more about these Garmin GPS systems by picking up one of their associated GPS accessories. Garmin GPS accessories for GPSMAP include owner's manuals, instructional videos, and quick reference guides, each giving you all the information you need to use all of your Garmin GPSMAP's features to their fullest extent. Learn more about your comprehensive fish finder by purchasing a Garmin GPSMAP GPS accessory.