Garmin GPSMAP 78s Owner's Manual - Page 18
Compass, Map Information, Calibrate Compass, Start - gpsmap 78sc
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Using the Main Pages • Map Information-allows you to enable or disable the maps currently loaded on the device. To purchase additional maps, see page 38. Compass When navigating to a destination, the bearing pointer points to your destination, regardless of the direction you are moving. When the bearing pointer points toward the top of the electronic compass, you are traveling directly toward your destination. If it points any other direction, turn toward that direction until the arrow is pointing toward the top of the compass. Calibrating the Compass notice Calibrate the electronic compass outdoors. Do not stand near objects that influence magnetic fields, such as cars, buildings, or overhead power lines. note: The three-axis compass is available only with the GPSMAP 78S and GPSMAP 78Sc. You should calibrate the compass after moving long distances, experiencing temperature changes, or changing the batteries. 1. From the compass, press MENU. 2. Select Calibrate Compass > Start. 3. Follow the on-screen instructions. 14 GPSMAP 78 Series Owner's Manual