Operation Manual

Navigation
Basics
INTRODUCTION
4
NORTH
“ACTIVE FROM”
WAYPOINT
NORTH
DTK
CROSSTRACK ERROR
BRG
TRK
GROUND SPEED
DISTANCE
“ACTIVE TO”
WAYPOINT
“ACTIVE LEG”
The GPS 126/128 provides steering guidance and navi-
gation information using degrees, a measurement measured
in a clockwise direction from a north reference. North is
described as 000º, east as 090º, south as 180º, and west as
270º. The diagram and compass rose below provide a graphic
illustration of the navigation terms used by the GPS 126/128.
More information on basic navigation and GPS are available
at your local library or bookstore.
126/128 Manual (new) 6/15/98 9:50 AM Page 4