microSD card slot allows for storage of optional MapSource detail (128 MB microSD included)
LED backlit display and keypad
Battery life: 18 hours (typical use) using two AA alkaline batteries
Includes a built-in Americas autoroute basemap with automatic routing capabilities, including highways, exits, and tide data (USA only)
Internal memory is preloaded with a marine point database
1,000 user waypoints with name and graphic symbol; 50 reversible routes
Position formats include Lat/Lon, UTM, Loran TDs, Maidenhead, MGRS, user grid, and more
Large-numbers option for easy viewing; dual-position display mode
Trip computer provides odometer, stopped time, moving average, overall average, total time, max speed, and more
10,000-point automatic track log; 20 saved tracks (500 points each) let you retrace your path in both directions
Elevation computer provides current elevation, ascent/descent rate, minimum/ maximum elevation, total ascent and descent, average and maximum ascent and descent rate
Navigation instructions can be shared with repeaters, plotters, and autopilots using NMEA protocols through the dedicated serial port.
Built-in celestial tables for sun and moon calculations and the best times to fish and hunt
Compatible with most MapSource products. See the MapSource Compatibility table (top right) for a list of software that Garmin recommends with this product.
Water resistant: IEC 60529 IPX7 standards
Unit floats when dropped in the water.
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