Compass Linearization And Heading Alignment - Raymarine SportPilot User Manual

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5.1 Compass linearization and heading alignment

This procedure reduces any fluxgate compass errors caused by
ferrous objects.
1. Motor the boat to a location clear of any other traffic. Sea
2. Select Standby mode, and then press in and hold the end of the
3. Turn the boat in a slow circles:
4. Keep turning your boat in circles until the SportPilot indicates
SportPilot and SportPilot Plus - Owner's Handbook
conditions should be calm with minimal tidal flow.
control stalk ( NAV ) for 10 seconds. The red AUTO and yellow
NAV lights will then flash alternately and the unit will beep every
second.
• the boat speed should not exceed 3 knots
• you should take at least 2 minutes to complete 360°
that compass linearization is complete by:
flashing the red AUTO and yellow NAV lights together, and
•
• emitting a 5 second beep
• at least 2 mins for each 360˚
• speed below 3 knots
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