Description Raymarine EV-1 Evolution Autopilot Sensor EV-1 Evolution Autopilot Sensor Heading, roll, pitch & yaw sensor for evolution series autopilots Can be mounted above or below decks. IPX6/7 waterproof Raymarine, the world leader in marine electronics, develops and manufactures the most comprehensive range of electronic equipment EV-1 Sensor Core Benefits Precision monitoring of heading, pitch, roll, and yaw allowing the autopilot to evolve instantly as sea conditions and vessel dynamics change. Flexible installation options. Mount above or below deck. Simple SeaTalkng connectivity to the control head and ACU. Solid-state sensor technology delivers dynamic accuracy to within 2 degrees in all conditions. Auto-compensation for onboard magnetic fields and reliable heading accuracy in the northern and southern extremes. Fast and reliable heading data for MARPA, radar overlay, and heading modes on Raymarine multifunction displays.