20
S1 Wheel and Tiller Pilots Operating Guide
Large cross track error
If the cross track error is greater than 0.3 nm, the SmartPilot will sound the Large
Cross Track Error warning and show whether you are to the port (
Pt
) or starboard
(
Stb
) of the planned track.
Tidal stream compensation
Under most conditions, the SmartPilot will hold the selected track to within ±0.05
nm (300 ft) or better. It takes account of the boat’s speed when computing course
changes to ensure optimum performance.
Waypoint 1
Waypoint 2
Cross track error (XTE)
more than 0.3 nm
D5415-4
Planned route
Actual route
D3261-4
Waypoint 2
Waypoint 1
Boat's speed over ground
Tidal component
Boat's speed through water
81283_1.book Page 20 Monday, October 2, 2006 2:03 PM
