Garmin gpsmap 78 用户手册

Using the Main Pages

Map Information—allows you to 

enable or disable the maps currently 

loaded on the device. To purchase 

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.

•

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.