Furuno BACK GP-80 - Manual (Page 96)

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Total distance
Total distance is the number of miles from
starting point to end point in a route.
Trip distance
The distance run from starting position.
Trip elapsed time
The amount of time passed since departing a
starting point.
True bearing
Bearing relative to North; compass bearing
corrected for magnetic deviation. The GPS
receiver can display true or magnetic bearing.
Velocity to destination
The amount of speed in the direction (course)
of the desired destination.
Waypoint
A waypoint is a particular location on a voyage
whether it be a starting, intermediate or
destination waypoint.