Product and system overview ContentsProduct overviewThe EV-2 is a primary heading sensor and course computer, providing autopilot control for vessels fitted with compatible Drive-By-Wire (DBW) steering systems.SeaTalk NGSeaTalk NG (Next Generation) is an enhanced cable system for the connection of compatible marine instruments and equipment. It replaces the older SeaTalk 1 and SeaTalk 2 cable systems.NMEA 2000The NMEA 2000 Data Interface Standard was developed by the NMEA® (National Marine Electronics Association of America). It is an international standard to enable equipment from many different manufacturers to be connected together and share information.Multiple data sources (MDS)MDS is a Raymarine scheme for managing multiple sources of identical data types on the same network (e.g.: in an MFD network you may have more than one source of GNSS (GPS) position data).Required additional componentsTo complete your autopilot system, you will need the following components and data sources in addition to the Evolution-Series components.Software updatesProduct software updates may be made available which add new features and improve existing functionality. It’s important to ensure that you have the latest software for your products by regularly checking the Raymarine website for new software releases.Previous topic: Document informationNext topic: Compatible autopilot controllers