Quote Originally Posted by jaxsprat View Post
dUMB QUESTION---what is & how does this heading sensor.....?
The AS GPS HS antenna is a GPS antenna that also has a magnetic compass inside ...

This gives the unit information on which way the boat is pointing at all times by measuring the offset from Magnetic North ...

Basically ...the donut is no more and the boat icon stays a boat icon at all times ...and the boat icon is pointing (on the chart) the way the boat is actually pointing on the water ...

It sure makes it easier to know which way from the boat that Waypoints are at slow speeds ...

Rickie