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

This unit fits in a standard 2 1/8" (54 mm) hole used by most marine equipment manufacurers. Mounting The LDT-3003 mounts in any dash or flat panel that's at least 2 1/2" (64 mm) in diameter. To mount the unit, first make certain there is at least 3 3/4" (95 mm) from the front of the dash to any obstruction behind the dash. Also, be sure there is room to route the power and sensor cables. The maximum usable dash thichness is 1 1/8" (28.5 mm). 3 3/4" minimum TIGHTEN THESE SCREWS 12345671234567123