Raymarine ST1000 Plus & ST2000 Plus 用户手册

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18
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The tiller pilot displays the cross track error in the following ways:
            
Tidal stream compensation
Under most operating conditions, Track mode will hold the selected 
track to within ±0.05 nm (300 ft) or better.
The autopilot takes account of the boat’s speed when computing 
course changes to ensure optimum performance over a wide range of 
boat speeds. If speed data is available, the autopilot will use the 
measured boat speed. Otherwise it will use the default cruise speed 
entered in Calibration Level 5 (see page 64).
            
D3294-2
On track
Off track to port
(steer to starboard)
Off track to starboard
(steer to port)
D3261-2
Waypoint 2
Waypoint 1
Tidal component
Boat's speed through w
ater
Boat's speed over ground
81130_3.book  Page 18  Wednesday, July 25, 2001  11:57 AM