Simrad SU90 - Page 13

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Thenarrowbeamopeningangle(4,9°@30kHz)and
theincreasedsourcelevel(3dB)makestheSU90avery
powerfulandhighresolutionlowfrequencysonar.The
narrowbeamsprovidedbytheSU90giveyouseveral
advantages.
•Theyincreasetherangeandresolution,andofferavertical
viewwithadditionaldetailsandaclearerpicture.
•TheymaketheSU90evenmoreidealwhenyouneed
tosearchforshclosetotheseabottom,orclosetothe
surface,atlongranges.
•Theyprovideafarbetterverticalviewwithless"bottom
climbing"thatwhatisseenonsonarswithawiderbeam.
•Thenarrowbeamsalsodecreasethenoiselevel.
TheSU90offersthesameuserinterfaceandoperating
softwareasourothersonars,echosoundersandcatch
monitoringsystems.Thisenableseasierandfastertrainingofnewusers.
•TheSU90echopresentationsareoptimizedformultipledisplays.Providedthatyou
haveconnectedadditionaldisplaystoyourProcessorUnit,youcanusetheDocking
Viewsfunctiontotakeanysonarviewandplaceitonaseparatedisplay.Whenyou
moveaviewtoanotherdisplay,itwillautomaticallybescaledforthebestpossible
result.
•Itiscommonforsonarstorequiremanypingstobuildthevariousviewsintheecho
presentation.OntheSU90,allthesonarviewsinthepresentationarebuiltusing
theechoesfromonesingleping.Thisdramaticallyimprovestheupdaterateand
providesbetterreal-timeinformation.
•TheSU90permitsyoutorecordreal-timesonarsituations.Previously,onlyscreen
captureswererecorded.Y oucannowrecordtherealechoesduringthenormalsonar
operation.Thisallowsyoutoreplaycompletesequences.Theplaybackcontains
theexactsameechoinformation,andcanbeusedformissionhistory,trainingor
troubleshootingpurposes.
•Thetrackingfunctionhasbeenimproved.Itcannowuseechoinformationfromboth
thehorizontalandverticaltransmissions.
Greatemphasishasbeenplacedonanintuitiveuserinterfaceandthebestpossiblesonar
presentationsonahighresolutioncolourdisplay.
TheSU90isequippedwiththecelebratedsignalprocessingsoftwaredevelopedby
KongsbergMaritime.ThisincludesHyperbolicFM(HFM)transmissions.Thispulse
typeisalsoknownas"chirp".Itensuresaclutterfreepicturewithveryhighresolution
inrange.Thesignalprocessingandbeamformingisperformedinafastdigitalsignal
processingsystemusingthefulldynamicrangeofthesignals.
SimradSU90