Receive
Sentence
Description
DPT
Depth
DBT
Depth below transducer
MTW
Water temperature
VHW
Water speed and heading
WPL
Waypoint location
DSC
Digital selective calling information
DSE
Expanded digital selective calling
HDG
Heading, deviation, and variation
HDM
Heading, magnetic
MWD
Wind direction and speed
MDA
Meteorological composite
MWV
Wind speed and angle
VDM
AIS VHF data-link message
You can purchase complete information about National Marine Electronics Association (NMEA) format and
sentences from
Appendix
195
Summary of Contents for GPSMAP 12X3
Page 1: ...GPSMAP OWNER SMANUAL 12x3 9x3 7x3...
Page 14: ......
Page 211: ......
Page 212: ...support garmin com GUID 3E67C80C 0812 4EEC BC60 699751B9CF6F v2 March 2023...