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Telegramformats

4c—c:Datasentenceblock.Thisisaseriesofdataeldscontainingallthedata

tobetransmitted.ThedataeldsentenceisxedandidentiedbytheSentence

formatterintheaddresseld.Dataeldsmaybeofvariablelengths,andtheyare

precededbytheFielddelimiter.

5“*”:Checksumdelimiter(Hex:2A).Thisdelimiterfollowsthelasteldofthe

sentence,andindicatesthatthefollowingtwoalphanumericalcharacterscontain

thechecksum.

6hh:Checksum

7<CR><LF>:Terminatessentence

Proprietarytelegrams

InsomeproprietarytelegramsreceivedfromotherKongsbergMaritimeequipment,the$

characterisreplacedbythe@character.Thechecksumeldmaythennotbeinuse.

SpecicationofNMEAtelegrams

AllstandardNMEAtelegramssupportedbytheSU90arespeciedhere.The

informationisextractedfromtheoriginalNMEAspecications.Ifadditionaldetails

abouttheindividualtelegramformatsarerequired,seetheoriginalsourcele.

Topics

•DBSDepthbelowsurfaceonpage234

•DBTDepthbelowtransduceronpage234

•DPTDepthonpage234

•GGAGlobalpositioningsystemxdataonpage235

•GLLGeographicalpositionlatitude/longitudeonpage235

•HDGHeading,deviationandvariationonpage236

•HDMHeading,magneticonpage237

•HDTHeading,trueonpage237

•MWDWinddirectionandspeedonpage237

•MWVWindspeedandangleonpage238

•RMCRecommendedminimumspecicGNSSdataonpage238

•VBWDualgroundandwaterspeedonpage238

•VHWWaterspeedandheadingonpage239

•VTGCourseoverground&groundspeedonpage240

•VWRRelative(apparent)windspeedandangleonpage240

•ZDATimeanddateonpage240

381293/A

233

Simrad SU90 Installation Manual

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