Installationmanual
Testprocedure..........................................................................................206
Problemswithownoise..........................................................................207
Noise/speedtestresults.............................................................................207
ProcessorUnitbackupandrestore.......................................................................210
AboutSU90backupandrestore.................................................................210
Creatingabackupimageofallthesonarsoftware.......................................211
Restoringthesonarsoftwarefromabackupimage......................................212
ReactivatingtheWindowslicense..............................................................213
CreatingabootableUSBmemorystick......................................................218
TECHNICALSPECIFICATIONS.......................................219
Performancespecications...................................................................................220
Weightsandoutlinedimensions...........................................................................221
Powerspecications.............................................................................................223
Environmentalspecications...............................................................................223
Minimumdisplayrequirements............................................................................224
TELEGRAMFORMATS....................................................226
TelegramsreceivedandsentbytheSU90............................................................227
Coursegyrotelegrams...............................................................................227
Speedlogtelegrams..................................................................................227
GPStelegrams..........................................................................................228
ITIandtrawlsystemtelegram....................................................................228
Echosoundertelegrams.............................................................................229
Windsensortelegrams..............................................................................230
Seacurrenttelegrams................................................................................230
Catchmonitoringsystemtelegrams............................................................230
Buoytelegrams.........................................................................................230
Targetoutputtelegrams.............................................................................230
AbouttheNMEAtelegramformat.......................................................................231
NationalMarineElectronicsAssociation(NMEA)......................................231
NMEAtelegramprinciples........................................................................232
StandardNMEA0183communicationparameters......................................232
NMEAsentencestructure..........................................................................232
SpecicationofNMEAtelegrams.......................................................................233
DBSDepthbelowsurface.........................................................................234
DBTDepthbelowtransducer.....................................................................234
DPTDepth...............................................................................................234
GGAGlobalpositioningsystemxdata.....................................................235
GLLGeographicalpositionlatitude/longitude............................................235
HDGHeading,deviationandvariation.......................................................236
HDMHeading,magnetic...........................................................................237
HDTHeading,true...................................................................................237
MWDWinddirectionandspeed................................................................237
381293/A
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