Garmin 188c Benutzerhandbuch

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•  Heading Line—On/Off: draws an extension from the end of 

the boat icon in the direction of travel. 

•  Bearing Line—On/Off: toggles the black/white line that 

points to the current navigation point.

•  Course Line—Auto, Off, 120 ft-800 mi: sets the maximum 

zoom range that the course line appears on the screen.

The Saved Tracks and Track Log options each contain adjustments 

for zoom.

•  Zoom—Auto, Off, 120 ft-800 mi: sets the maximum range 

the feature should appear on the Map Page. Some types of 

data only are visible to specific zoom ranges.

•  Accuracy Circle—On/Off: toggles the circle On and Off. 

The circle represents the approximate accuracy of the unit 

based on EPE, DOP, and basemap quality. Your location is 

within the circle.

•  Lat/Lon Grid—Text—None, Small, Medium, and Large: 

controls the screen size of the name. Zoom—Auto, Off, 120 

ft-800 mi: sets the maximum range the feature should appear.

•  Map Outlines—On/Off: toggles the coverage boxes for 

BlueChart/MapSource data on and off.