Installation manual

SimradPI50
SpecicationofNMEAtelegrams
AllstandardNMEAtelegramssupportedbythePI50arespeciedhere.Theinformation
isextractedfromtheoriginalNMEAspecications.Ifadditionaldetailsaboutthe
individualtelegramformatsarerequired,seetheoriginalsourcele.
Topics
•DBSDepthbelowsurfaceonpage106
•GLLGeographicalpositionlatitude/longitudeonpage107
•GGAGlobalpositioningsystemxdataonpage108
•HDGHeading,deviationandvariationonpage108
•HDMHeading,magneticonpage109
•HDTHeading,trueonpage109
•RMCRecommendedminimumspecicGNSSdataonpage109
•VHWWaterspeedandheadingonpage110
•VTGCourseoverground&groundspeedonpage110
•VLWDualground/waterdistanceonpage111
DBSDepthbelowsurface
Thistelegramprovidesthecurrentdepth.Thetelegramisnolongerrecommended
foruseinnewdesigns.
ItisoftenreplacedbytheDPTtelegram.
Format
$--DBS,x.x,f,y.y,M,z.z,F*hh<CR><LF>
Formatdescription
1––=talkeridentier
2DBS=telegramidentier
3x.x,f=depthbelowsurfaceinfeet
4y.y,M=depthbelowsurfaceinmeters
5z.z,F=depthbelowsurfaceinfathoms
106
328459/B