Chapter 5: Commissioning the Autopilot 53
5 Commissioning the Autopilot
Gain experience with your autopilot before attempting to adjust the
AutoTrim setting. On sail boats you can only evaluate the effect of
AutoTrim while under sail.
Increasing the AutoTrim level reduces the time the autopilot takes to
get back onto the correct course, but makes the boat less stable:
• if the autopilot gives unstable course keeping and the boat
‘snakes’ around the desired course, decrease the AutoTrim level
• if the autopilot hangs off course for excessive periods of time,
increase the AutoTrim level
If you need to adjust AutoTrim, go up one level at a time and use the
lowest acceptable value. The possible settings range from
OFF (no
trim correction) to
4 (fastest trim correction). To adjust the AutoTrim:
1. Access the AutoTrim
screen in Calibration mode.
2. Use the
▲ (NAV) and ▼ (LIGHTS) keys or course change knob
to adjust the AutoTrim level.
3. Press and hold
STBY for 2 seconds to save the changes.
4. Press
AUTO to check the autopilot performance in Auto mode.
81013_4.book Page 53 Wednesday, July 25, 2001 11:04 AM
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