Garmin GPS 400 Pilot's Manual And Reference page 35

Wind Vector
For installations with heading and air data interfaces, the GPS 400 can display a
wind vector on the map page. The wind vector symbol is located in the lower right
corner of the map display. The vector symbol points in the direction the wind is
travelling, with wind speed appearing adjacent to the symbol.
To enable/disable the wind vector from the map setup page:
E
E
Distance Measurements
The "Measure Dist?" option provides a quick, easy method for determining the
bearing and distance between any two points on the map display.
To measure bearing and distance between two points:
a
a
d
d
E
d
r
E
NAV PAGES
Map Page Options
1
Œ
a
Ž