Garmin GHP 10 Marine Autopilot System GHC 10 Quick Start Manual - Page 10

Zigzag The Zigzag pattern steers the boat from port to starboard and back, over a specified time and angle, across your current heading. The default values are 1.5 minutes and 30°. Circles The circle pattern steers the boat in a constant circle, in a specified direction and at a specified time interval. The default value create a circle that takes 5 minutes to complete. U-Turn The U-turn pattern turns the boat around 180° and maintains the new heading. Man Overboard The Man Overboard pattern turns the boat around with the intent of running alongside the point where the Man Overboard pattern was initiated. The boat must be below planing speed when using this pattern. Caution: The Man Overboard pattern is not determined by GPS and is affected by wind, current, and speed. Be ready to adjust the throttle and take the helm to avoid harm to a person in the water. The autopilot positions the boat so that the circle pattern is centered on the point at which you engage the pattern.  GHC 10 Quick Start Manual