Installation and Operation Manual 635-7 NMEA 2000NMEA 2000 interface standard wasintroduced for communications network tointerconnect marine electronic equipmentssuch as navigation chart plotter, engine, tanklevel sensor and others on vessels. Thestandard is regulated by The National MarineElectronics Association in USA.The chart plotter can be connected toexternal devices with NMEA2000 and displayinformation such as followings.• Engines have fuel flow sensors, thereforefuel sensors are not required.• The chart plotter can receive and displaywind speed and direction from an optionalcompatible wind instrument.• The chart plotter can receive and displaydepth from an optional depth instruments.• The chart plotter can receive and displayboat speed and water temperature from apaddlewheel sensor on a optional speedinstrument.If connected display unit, use the cablecompatible with NMEA 2000 standard.