loaded on the device. To purchase additional maps, see page 34 . 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. Using the Main Pages 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.
Using the Compass You can use the compass to navigate an active route. 1 Press page . 2 Hold the device level. 3 Follow the 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. bearing pointer to your destination. note : The three-axis compass is available only with the GPSMAP 78S and GPSMAP 78Sc. GPSMAP 78 Series Owner’s Manual 13