Garmin GHP 20 Marine Autopilot System for Viking Owner's Manual - Page 14

Powerboat Autopilot Operation Cloverleaf Pattern The cloverleaf pattern steers the boat to repeatedly pass over an active waypoint. When you begin the cloverleaf pattern, the autopilot drives the boat toward the active waypoint and begins the cloverleaf pattern. Setting up the Cloverleaf Pattern You can adjust the distance from the waypoint at which the autopilot turns your boat for another pass over the waypoint. The default setting turns the boat at a range of 1000 ft. (300 m) from the active waypoint. 1. From the heading screen, select Menu > GPS Steering > Cloverleaf > Length. 2. Select or to set the length. 3. Select Done. Following the Cloverleaf Pattern 1. From the heading screen, select Menu > GPS Steering > Cloverleaf > Engage. 2. Select an option: • Select to begin a starboard turn. • Select to begin a port turn. 10 The autopilot steers your boat in a continuous cloverleaf pattern over the active waypoint, and the heading screen shows the cloverleaf turn direction and distance ➀. ➊ Search Pattern The search pattern steers the boat in increasingly larger circles outward from the active waypoint, forming a spiral pattern. When you begin the search pattern, the autopilot drives the boat to the active waypoint and begins the pattern. Setting up the Search Pattern You can adjust the distance between each circle in the spiral. The default distance between the circles is 50 ft. (20 m). 1. From the heading screen, select Menu > GPS Steering > Search > Spacing. 2. Select or to set the spacing. 3. Select Done. GHC 10 Owner's Manual