Appendix B NMEA 0183sentencesSPX course computers with an NMEA 0183 input/outputsupport the following sentences.Receive (NMEA 0183 in)APB Autopilot BBWC Bearing and distance towaypointBWR Bearing and distance towaypoint rhumb lineDTM Local datum in useGGA Global positioning system fixdataGLL Geographic position latitudelongitudeHDG Heading deviation andvariationHDM Heading magneticHDT Heading trueMWV Apparent wind angle (AWA)and apparent wind speed(AWS)RMA Recommended minimumspecific Loran C dataRMB Recommended minimumnavigation informationRMC Recommended minimumspecific GPS transit dataVHW Speed through water andheadingVTG Course over ground (COG)andspeedoverground(SOG)VWR Apparent wind angle (AWA)and apparent wind speed(AWS)XTE Cross track errorZDA Time and dateTransmit (NMEA 0183 out)HDG Heading deviation andvariationHDT True heading (requires trueheading data to be available.)RSA Rudderangle(requiresrudderreference unit)Appendix C SeaTalkng cablesand accessoriesSeaTalkng cables and accessories for use withcompatible products.Description Part No NotesBackbone Kit A25062 Includes:• 2 x 5 m (16.4 ft)Backbonecable• 1 x 20 m(65.6 ft)Backbonecable• 4 x T-piece• 2 x Backboneterminator• 1xPowercableSeaTalkng 0.4 m(1.3 ft) spurA06038SeaTalkng 1 m(3.3 ft) spurA06039SeaTalkng 3 m(9.8 ft) spurA06040SeaTalkng 5 m(16.4 ft) spurA06041SeaTalkng 0.4 m(1.3 ft) backboneA06033SeaTalkng 1 m(3.3 ft) backboneA06034SeaTalkng 3 m(9.8 ft) backboneA06035SeaTalkng 5 m(16.4 ft) backboneA0603634 SPX10, SPX30, SPX-SOL