20 S1 Wheel and Tiller Pilots Operating Guide
Lar ge cross tr ack error
If the cross trac k error is greater than 0.3 nm, the Smart Pilot will sound the L arge
Cross T ra ck Error warning and show whether you are to the port (
Pt
) or starboard
(
Stb
) of the planned tra ck.
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
chang es to ensure optimum perfo rmance.
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
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