[CA] Compass differential

[Chuck - Raymarine - Moderator]

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Please click here to view a FAQ addressing such performance issue. As indicated therein, it is recommended that the vessel be operated in figure 8 patterns will maintaining speed within the range specified. It is recommended that you verify that your Evolution autopilot has been configured to display Magnetic rather than True bearings. If so, then please respond with the versions of software installed within the your Evolution autopilot's EV-1 CCU, ACU, and p70S autopilot control head. Please additionally respond with the maximum deviation value sensed by your autopilot.