NorthStar 941X Reference Manual page 125

Rev. D
(NMEA) 0180 0180 is an infrequently-used format, developed in the late 0180 0180
1970's and is required by many older autopilots.
0183 0183 V2.1 is the most popular interfacing format and is used by most
0183 0183
autopilots, radars, plotters and other equipment.
After pressing ENTER to select 0183 as the output format, you will be
presented with a list of all 0183 sentences which may be individually
turned on or off.
The 1.5 sentences (BWC, GLL, and RNN) enable the 941X to be back-
ward-compatible with marine equipment previously designed for this
earlier version of 0183. Details for using the 0183 format are given in the
following section, "NMEA 0183 and RAY 0183 sentences," on page 118
DATAMARINE CDX DATAMARINE CDX is required by Datamarine's cross-track error indi-
DATAMARINE CDX DATAMARINE CDX
cators, the latest of which display distance and bearing to your waypoint.
0183 RAY 0183 0183 0183 RAY RAY is used when transmitting/receiving position information RAY
to/from Raytheon equipment. It uses Raytheon's non-standard NMEA
0183 checksum, where, on output, the checksum is not included, and on
9 — Installation and Interfacing 9 — 9 — 9 — Installation and Interfacing Installation and Interfacing Installation and Interfacing Page 117