Garmin GPSMAP 7400 Series Owner's Manual page 174

Receive
Sentence
DPT
DBT
MTW
VHW
WPL
DSC
DSE
HDG
HDM
MWD
MDA
MWV
VDM
You can purchase complete information about National Marine Electronics Association (NMEA) format and
sentences from: NMEA, Seven Riggs Avenue, Severna Park, MD 21146 USA (www.nmea.org)
162
Description
Depth
Depth below transducer
Water temperature
Water speed and heading
Waypoint location
Digital selective calling information
Expanded digital selective calling
Heading, deviation, and variation
Heading, magnetic
Wind direction and speed
Meteorological composite
Wind speed and angle
AIS VHF data-link message
Appendix