With all the features of the GPSMAP 78, the Garmin GPSMAP 78S also includes a 3-axis compass, barometric altimeter and a basemap with shaded contours.
This hand held GPS is ideal for boaters and watersport enthusiasts due to its IPX7 waterproof rating and ability to float following an accidental drop into water.
The built-in 3-axis tilt-compensated electronic compass shows your heading even when you’re not moving and the barometric altimeter tracks changes in pressure, finding your exact altitude and can also be used to plot barometric pressure over time to watch for changing weather conditions.
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