Chapter 2: Autopilot Operation 8-2-13
ST290 Instrument System Owner’s Handbook
2.7 Using Track mode
In Track mode, the autopilot maintains a track between waypoints
created on a navigation system. The autopilot makes any course changes
necessary to keep your boat on track, automatically compensating for
tidal streams and leeway.
Selecting Track mode
WARNING:
When you enter Track mode, the autopilot will bring the boat onto
the track in a controlled way. The closer the boat is to the correct
heading and track, the quicker the autopilot will settle the boat onto
the new course. To avoid an unexpected turn, it is good practise to
align the boat with the required track before entering Track mode.
To select Track mode:
1. Ensure the autopilot is in Auto mode.
2. Press
TRACK to enter Track mode.
3. Wait for the Waypoint Advance warning to sound. The display will
show the bearing to the next planned waypoint and the direction the
boat will turn to reach this waypoint.
4. Check that it is safe for the boat to turn onto the new course.
5. Press the
TRACK button. When you do this:
• Theautopilotwillturn the boat ontothe newcourseinacontrolled
way.
• The display shows the heading required to achieve the required
track.
Note: The closer the boat is to the correct heading and track when you
press
TRACK, the quicker the autopilot will bring the boat onto the new
course. If the boat is more than 0.3 nm from the track, the Large Cross
Track Error warning will sound.
81183_2 S8.book Page 13 Tuesday, May 6, 2003 9:08 AM
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