Raymarine RL70C, Owner'S Handbook Manual

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Appendix D: SeaTalk and NMEA Data Received and Transmitted 191
Appendix D: SeaTalk and NMEA Data
Received and Transmitted
The following table defines the data received on the NMEA/SeaTalk ports.
Data sources are listed in order of priority except where indicated.
Data Received Source
Position (LAT/LON) SeaTalk, GGA, RMC, RMA, GLL
Position (Loran C TD’s) GLC, RMA, GTD
Speed and Course Over Ground SeaTalk, RMC, RMA, VTG
Waypoint Identifier SeaTalk, RMB, APB, BWC, BWR
Bearing to Waypoint SeaTalk, RMB, BWC, BWR
Distance to Waypoint SeaTalk, RMB, BWC, BWR
Cross Track Error (XTE) SeaTalk, RMB, APB, XTE
Depth SeaTalk, DBT, DPT
Apparent Wind Angle and Speed SeaTalk, MWV (relative)
Boat Speed Through Water SeaTalk, VHW
Total Log and Trip Log SeaTalk, VLW
Water Temperature SeaTalk, MTW
Average Boat Speed through the Water SeaTalk only
Heading HDG, HDM, HDT, VHW, SeaTalk,
Locked Heading SeaTalk only (Autopilot / Steering Compass)
Magnetic Variation SeaTalk, RMC, RMA, HDG
Rudder Angle SeaTalk only
Time (No priority) SeaTalk, ZDA, GGA, RMC, GLL, BWC, BWR
Date SeaTalk, ZDA, RMC
MOB data SeaTalk only
Autopilot Status (Standby / Auto / Vane / Track) SeaTalk only
Cursor Range and Bearing (from Chartplotter) SeaTalk only
Cursor Range and Bearing (from Radar) SeaTalk only
Global Alarms - SeaTalk Only Watch alarm, Wind alarm, Autopilot alarms,
Depth alarms, Waypoint arrival
Waypoint/Route Transfer SeaTalk, WPL, RTE
* If Magnetic Heading is not available, sthe True Heading and Variation (if available) are used to generate the
magnetic heading.
Appendix D: SeaTalk and NMEA Data