Adjusting the Heading Using the Helm
NOTE: You must enable the Shadow Drive feature before you can adjust the heading using the helm while the
autopilot is engaged .
With the autopilot engaged, manually steer the boat using the helm.
Shadow Drive and at the top of the heading screen appear in yellow, and you have full steering control
using the helm.
When you release the helm and maintain a specific heading for a few seconds, the autopilot resumes a
heading hold at the new heading.
Adjusting the Heading with the Chartplotter in Step Steering Mode
1 Engage a heading hold (
Engaging the Autopilot, page 107
).
2 Select an option:
• Select <1° or 1°> to initiate a single 1° turn.
• Select <<10° or 10°>> to initiate a single 10° turn.
• Hold <1° or 1°> to initiate a rate-controlled turn.
The boat continues to turn until you let go of the key.
• Hold <<10° or 10°>> to initiate a sequence of 10° turns.
Steering Patterns
WARNING
You are responsible for the safe operation of your boat. Do not begin a pattern until you are certain the water is
clear of obstacles.
The autopilot can steer the boat in preset patterns for fishing, and it can perform other specialty maneuvers
such as U-turns and Williamson turns.
Following the U-Turn Pattern
You can use the u-turn pattern to turn the boat around 180 degrees and maintain the new heading.
1 From the autopilot screen, select MENU > Pattern Steering > U-Turn.
2 Select Engage Port or Engage Starboard.
Setting Up and Following the Circles Pattern
You can use the circles pattern to steer the boat in a continuous circle, in a specified direction, and at a
specified time interval.
1 From the autopilot screen, select MENU > Pattern Steering > Circles.
2 If necessary, select Time, and select a time for the autopilot to steer one complete circle.
3 Select Engage Port or Engage Starboard.
Setting Up and Following the Zigzag Pattern
You can use the zigzag pattern to steer the boat from port to starboard and back, over a specified time and
angle, across your present heading.
1 From the autopilot screen, select MENU > Pattern Steering > Zigzag.
2 If necessary, select Amplitude, and select a degree.
3 If necessary, select Period, and select a length of time.
4 Select Engage Zigzag.
108
Autopilot
Summary of Contents for GPSMAP1222
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