8-1-1
ST290 Instrument System Owner’s Handbook
Chapter 1: Introduction to Autopilots
1.1 Applicability
You can use the ST290 Pilot Keypad, in conjunction with an ST290
instrument system, to control Raymarine autopilot systems which use
T150, 150G, T400 and 400G course computers. Autopilot data is shown
on specified ST290 Graphic Displays.
1.2 Autopilot operating modes
The autopilot has the following modes:
• Standby: the autopilot is off and you have manual control of your
boat.
• Auto: the autopilot steers the boat to maintain a set compass heading.
• Track: the autopilot follows a track created on a chart plotter or other
navigation aid.
• Wind Vane: the autopilot steers the boat to maintain a course relative
to a true or apparent wind angle.
• Calibration: enables you to adjust the autopilot for optimum perfor-
mance with your boat (see Section 8, Chapter 5). This includes auto-
matic compass deviation correction (all autopilots) and AutoLearn
automatic steering calibration (150G and 400G systems only).
Additional autopilot features:
• Automatic tack (AutoTack) in
Auto and Wind Vane modes.
• Waypoint advance feature in
Track mode.
Figure 1-1:Pilot Keypad
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81183_2 S8 Chap 1.fm Page 1 Thursday, May 8, 2003 11:16 AM
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