User manual

Telegramformats
DPTDepth
Thistelegramcontainswaterdepthrelativetothetransducerandoffsetofthemeasuring
transducer.Positiveoffsetnumbersprovidethedistancefromthetransducertothe
waterline.Negativeoffsetnumbersprovidethedistancefromthetransducertothe
partofthekeelofinterest.
Foradditionaldetails,refertotheNMEAstandard.
Format
$--DPT,x.x,y.y,z.z*hh<CR><LF>
Formatdescription
1––=talkeridentier
2DPT=telegramidentier
3x.x=waterdepth,inmeters,relativetothetransducer
4y.y=offset,inmeters,fromthetransducer
5z.z=maximumrangescaleinuse
Relatedtopics
•DepthOutputonpage203
•SelectOutputsonpage249
GGAGlobalpositioningsystemxdata
Thistelegramcontainstime,positionandxrelateddatafromaglobalpositioning
system(GPS).
Format
$--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,
x,zz,d.d,a.a,M,g.g,M,r.r,cccc*hh<CR><LF>
Formatdescription
1––=talkeridentier
2GGA=telegramidentier
3hhmmss.ss=coordinateduniversaltime(UTC)ofposition
4llll.ll=latitudenorth/south,positionindegrees,minutesandhundredths.
5a=North/South.CharactersN(North)orS(South)identiesthebearing.
6yyyyy.yy=longitudeeast/west,positionindegrees,minutesandhundredths.
7a=West/East.CharactersW(West)orE(East)identiesthebearing.
8x=GPSqualityindicator(refertotheNMEAstandardforfurtherdetails)
9zz=numberofsatellitesinuse,00to12,maybedifferentfromthenumberinview
10d.d=horizontaldilutionofprecision
11a.a,M=altituderelatedtomeansealevel(geoid)inmeters
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