It also provides instructions on how to configure and calibrate your fuel flow sensor with Lowrance digital gauges (LMF-200 & LMF-400) and display units. NMEA 2000 is the communication bus standard developed by the National Marine Electronics Association (NMEA) for use in boats. Lowrance has introduced a line of products that can communicate over a NMEA 2000 network (LowranceNet). All Lowrance NMEA 2000 capable devices are either NMEA 2000 certified or certification is pending. Caution: Installi