Simrad SX90 - PRODUCT DESCRIPTION REV A User Manual

SimradSX90

Productdescription

ThisdocumentprovidesageneraldescriptionoftheSimrad
SX90Fishndingsonar.Italsoprovidespresentation
examples,thetechnicalspecications,andtheoutline
dimensiondrawingsrequiredforinstallation.

337432/A

03.09.2009

History

Documentno:337432/V ersion:A

Rev.A03.09.2009

Originalrelease.

Copyright

©2009KongsbergMaritimeAS
TheinformationcontainedinthisdocumentremainsthesolepropertyofKongsbergMaritimeAS.Nopart
ofthisdocumentmaybecopiedorreproducedinanyformorbyanymeans,andtheinformationcontained
withinitisnottobecommunicatedtoathirdparty,withoutthepriorwrittenconsentofKongsberg
MaritimeAS.Thedocument,oranypartofit,maynotbetranslatedtoanyotherlanguagewithoutthe
writtenapprovalfromKongsbergMaritimeAS.

Disclaimer

KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentiscorrectandfairly
stated,butdoesnotacceptliabilityforanyerrorsoromissions.

Warning

Theequipmenttowhichthismanualappliesmustonlybeusedforthepurposeforwhichitwas
designed.Improperuseormaintenancemaycausedamagetotheequipmentand/orinjuryto
personnel.Theusermustbefamiliarwiththecontentsoftheappropriatemanualsbeforeattempting
toinstall,operateorworkontheequipment.
KongsbergMaritimeASdisclaimsanyresponsibilityfordamageorinjurycausedbyimproper
installation,useormaintenanceoftheequipment.

Support

IfyourequiremaintenanceonyourFishndingsonarsystemcontactyourlocaldealer.Youcanalso
contactususingthefollowingaddress:[e-mail]tourother
products,visitourwebsite.Onthewebsiteyouwillalsondalistofourdealersanddistributors.

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Productdescription

Tableofcontents

SIMRADSX90...................................................................5

Basicinformation.....................................................................................................5

Mainunits.................................................................................................................6

Wheelhouseunits..........................................................................................6

Sonarroomunits...........................................................................................8

Systemdiagram........................................................................................................9

Basicfunctionality..................................................................................................10

Omnibeam.................................................................................................10

Multiplefrequencyoperation.......................................................................11

Stabilisationsystem....................................................................................12

Reception...................................................................................................12

Transmission..............................................................................................14

MENUSYSTEM................................................................15

OPERATINGPANEL.........................................................16

EXAMPLES......................................................................17

TECHNICALSPECIFICATIONS.........................................20

Powerspecications...............................................................................................20

Weightsandoutlinedimensions.............................................................................21

Environmentalspecications.................................................................................23

Performancespecications.....................................................................................24

DRAWINGFILE...............................................................26

TransceiverUnitdimensions..................................................................................27

Forwardview.............................................................................................27

Sideview...................................................................................................28

Topview....................................................................................................29

ProcessorUnitdimensions.....................................................................................30

Forwardview.............................................................................................30

Sideview...................................................................................................31

Footprint....................................................................................................32

BeamformerUnitdimensions................................................................................33

Forwardview.............................................................................................33

Sideview...................................................................................................34

Footprint....................................................................................................35

OperatingPaneldimensions...................................................................................36

SX92Hullunitdimensions....................................................................................37

SX93Hullunitdimensions....................................................................................38

SX95Hullunitdimensions....................................................................................39

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SimradSX90

SX92/SX93Mountingtrunkdimensions...............................................................40

Page1........................................................................................................40

Page2........................................................................................................41

SX95Mountingtrunkdimensions.........................................................................42

SX92/SX93Optionaltrunkdimensions.................................................................43

SX92/SX93Blindcoverdimensions......................................................................44

SX95Blindcoverdimensions................................................................................45

SX95Mountingtrunkproduction..........................................................................46

COMPANYPROFILE.........................................................47

Simrad....................................................................................................................47

KongsbergMaritimeAS.........................................................................................47

KongsbergGroup...................................................................................................49

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SimradSX90

SIMRADSX90

StudythischaptertofamiliarizeyourselfwiththeSimradSX90
Fishndingsonarsystem.

Topics

•Basicinformationonpage5

•Mainunitsonpage6

•Systemdiagramonpage9

•Basicfunctionalityonpage10

Basicinformation

TheSimradSX90isalongrangeomnidirectionallowfrequency
sonar.Itisdesignedformediumandlargesizedshing
vessels,preferablyforpurseseiners,butitisalsowellsuitable
fortrawlers.Thesonarallowsyoutochooseanoperational
frequencybetween20to30kHz(in1kHzsteps).Thecylindrical
multi-elementtransducerallowstheomnidirectionalsonarbeam
tobetiltedelectronicallyfrom+10to–60degrees.Thisallows
youtoautomaticallytrackschoolsofsh,andtoobservethe
wholewatervolumearoundthevessel.Astabilisingsystemis
includedforelectronicpitchandrollcompensation.

Greatemphasishasbeenplacedongivingthebestpossible
presentationsonahighresolutioncolourdisplay.TheProcessor
UnitiscontrolledbyMicrosoft’sWindowsXP®operating
system,whichresultinaexiblechoiceofdisplaymodesfora
largerangeofuserapplications.

Thesignalprocessingandbeamformingisperformedinafast
digitalsignalprocessingsystemusingthefulldynamicrange
ofthesignals.Inadditiontothetraditionalsinglefrequency
transceiversystem,theSimradSX90containsanadvanced
frequencymodulatedltersystem(FM).

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SimradSX90

Mainunits

TheSimradSX90comprisesthefollowingmainunits:

•Normallyinstalledinthewheelhouse:

–ColourMonitor

–Operatingpanel

–ProcessorUnit

–BeamformerUnit

–Audioamplierwithloudspeakers(option)

•Normallyinstalledinthesonarroom:

–TransceiverUnit

–HullUnit

Wheelhouseunits

ColourMonitor

TheColourdisplayisahigh-resolutionmonitor.Inadditionto
thesonarpicture,themonitorwillalsodisplaytheusermenus
fortheinteractiveoperation.Inordertoeasethesituation
comprehension,certaincolourshavebeenchosentobetterthe
distinctionbetweenthevariouselementsinthescene.

Thecolourdisplayisnotapartofthesonardelivery,anditmust
bepurchasedlocally.

Operatingpanel

TheOperatingPanelcontainsallnecessarycontrolfunctionsfor
operatingthesonar.Thecontrolsarearrangedinfunctiongroups,
whichgivesaclearandeasyoperation.

Figure1Operatingpanel

Notethatallsonaroperationalsomaybemadefromthetrackball,
orbymeansofanoptionalstandardcomputermouse.

ProcessorUnit

TheProcessorUnitisamarinecomputerbasedontheMicrosoft
WindowsXP®operatingsystem.Itisdesignedforrugged
use,andplacedonshockabsorbers.Thecomputerisbased
onacommercialdesign,butthesoftwareandhardwarehas

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SimradSX90

beenspeciedandassembledbySimradtosuittheSX90sonar
requirements.ThecomputerholdsaDVDplayertobeusedfor
futuresoftwareupgrades.

Figure2ProcessorUnit

Thepurposeofthiscomputeristoallowyoutocontrolthesonar.
Itprovidesthegraphicpresentationofthesonarmodesandthe
imagescreated,itholdsthemenusystem,itcommunicateswith
theOperatingPanel,andreadsinformationfromperipheralunits
bymeansoftheInterfaceUnit.

TheProcessorUnitcommunicateswiththeBeamformerUnit
usingasingleEthernetcable.

BeamformerUnit

TheBeamformerUnitisamarinecomputer,whichrunsthe
MicrosoftWindowsXP®operatingsystem.Thesoftwareand
hardwarehasbeenspeciedandassembledbySimradtosuitthe
SX90sonarrequirements.ThecomputerholdsaCDplayertobe
usedforfuturesoftwareupgrades.

Thepurposeofthiscomputeristoperformtheadvancedsignal
processingrequiredtopresenttheinformationontheProcessor
Unit.

TheBeamformerUnitcommunicateswiththeTransceiverUnit
inthesonarroomusingasingleEthernetcable.

Audioamplierwithloudspeakers

Anamplierwithoneortwoloudspeakersmaybeconnectedto
theBeamformerUnittoprovidetheaudiooutput.

Theseoptionalitemsarenotprovidedwiththestandardsonar
delivery.

IfstandardcommercialPCloudspeakersareused,theseare
normallypoweredbyaseparatepowersupply.

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SimradSX90

Sonarroomunits

TransceiverUnit

TheSX90TransceiverUnitislocatedinthesonarroom,closeto
theHullUnit.

Thetransceiverperformsthetransmissionandreceptioncontrol
ofthe256transmittersand256receiverchannels.Eightidentical
transceiverboardsareused.TheTransceiverUnitalsoholds
twopowersupplies,anEthernetswitch,andalargecapacitor
bank.OneEthernetcableisusedforcommunicationwiththe
wheelhouse,andasecondEthernetcableisusedtocontrolthe
hullunit.

Thetransducercablesfromthehullunitarepluggedintotheside
walloftheTransceiverUnitcabinetusingaspecialplug.

TheTransceiverUnitismountedonthebulkheadusingpowerful
shockabsorbers.Theconnectorsforpowerandinterfaceare
locatedatthebottomofthecabinet.

HullUnit

ThestandardSX92HullUnitisdesignedtolowerthetransducer

1.2metersbelowtheship’shull,whileanoptionalhullunitwill
lowerthetransducerto1,6metersbelowthehull.

Thetransducercanalsobeloweredtoanyselectedmiddle
position.Incaseofvoltagefailure,thetransducercanberaised
orloweredmanuallybymeansofahandcrank.

Thesensorfortheelectronicstabilisationofthesonarbeams
ishousedintheMotorControlUnit,whichismountedonthe
HullUnit.

Transducer

ThecylindricalTransducerallowsthesonarbeamtogivefull360
degreescoverageofthewatervolumedownto-60degrees.

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SimradSX90

Systemdiagram

Figure3SX90Simpliedsystemdiagram

SX90items

AProcessorUnit

BBeamformerUnit

CColourMonitor

DOperatingpanel

ETransceiverUnit

FMotorControlUnit(mountedon

thehullunit)

GHullUnit

HTransducer(mountedonthehull

unit)

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SimradSX90

Basicfunctionality

ThebasicprinciplesoftheSimradSX90areuniquebecauseof
the256separatetransmitterandreceiverchannelswiththeir
transducerelementsspreadaroundonthecylindricaltransducer.

Thetransmission,receptionanddataprocessingareunder
computercontrol,andthepowerfulcapabilitiesofthesonarare
theresultsofsophisticateddigitalsignalprocessingsoftware
andstateofthearthardware.

Omnibeam

WhentheOmnibeamistilted,thetotalbeampicturecanbe
comparedwithfoldinganumbrella,whichmeansthatallbeams
in360degreesaroundthevesselhavethesametiltangle.

Figure4Omnibeamprinciple

Thebeamcanbetiltedfrom+10upto-60degreesdown.

Inadditiontoseeingthetargetfromabove,itisalsopossible
toseethetargetfromtheside,byusingtheverticalslice
presentation.Inthiscasethebeamcoversacontinuousvertical
beamfrom0to-60degreesinonetransmission.

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SimradSX90

Figure560degreesverticalslice

Thisverticalslice,whichispresentedbythewhiteaudioline
inthehorizontalpicture,canbeselectedtoanybearingbythe
manualtrainingcontrol.ThecombinationoftheOmnimode
andtheverticalslicewillgiveanoptimalvisualizationofthe
catchsituation.

Figure6Omni/verticalcombination

InadditiontotheOmnipicture,theverticalsliceisespecially
usefulforvisualizingtheverticaldistributionofaschoolof
sh.Inthatway,itisnotnecessarytogooverthetargettosee
thedistributionontheechosounder,whichoftenresultsina
spreadingoftheschool.

Multiplefrequencyoperation

Inadditiontothestandard26kHzfrequency,youcanselectany
operationalfrequencyfrom20to30kHzin1kHzsteps.

Thisisaveryusefulfunctionwhenitisnecessarytosuppress
interferencefromothersonars.

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SimradSX90

Stabilisationsystem

TheSimradSX90isprovidedwithastabilisationsystem.

Whenthebeamstabilizerisactivated,bothhorizontaland
verticalbeamswillbestabilizedelectronicallyforrollandpitch
movementsupto±20degrees.Thebeamdirectionwillthen
changecontinuouslyaccordingtothevessel’smovements,and
secureanoptimalcontactwiththetargetseveninroughseas.

Figure7Stabilisationsystem

Reception

Agreatefforthasbeenmadetoreduceunwantednoisetogeta
cleanandstableechopresentation.Toachievethisgoalthesonar
receiverhasthefollowinglteringpossibilities:

•FMCorrelationlter

•Frequencyselection

•AGC(AutomaticGainControl)

•RCG(ReverberationControlledGain)

•Ping-to-pinglter

•TVG(TimeV ariableGain)

•Noiselter

FMCorrelationlter

TheFM(frequencymodulation)isasweepinfrequencies.
Thereceiverltersoutthosesignalsthatarethesameasthe
transmitted.Thisprovidesalteringeffect,whichefciently
reducesinterference,noiseandreverberation.Inadditionto
givingacleanandstableechopresentation,thiswillnormally
alsoincreasethesonar’sdetectionrange.Theadvantageof
theFMcorrelationlteristhatitretainsthehighresolutionin
rangewithlongpulselengthsandhighenergy,andthatitisnot
sensitivetomovingtargets.

Frequencyselection

Themultiplefrequencyselectionscanbeusedforsuppressionof
interferencefromothersonars.

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SimradSX90

Thesoundabsorptioninsaltwaterincreaseswiththefrequency,
thusgivingthelowerfrequenciesalongerdetectionrange.

AGC(AutomaticGainControl)

TheAGC(AutomaticGainControl)sensestheecholevelin
severaldirections,andusethisasabasisforadjustingallthe
receiverbeams.TheAGCwillthusprovideautomaticscaling
ofthedatainordertomaintainproperdynamicrangebasedon
allechovalues

Thestrengthoftheltercanbeselectedinthemenu.

RCG(ReverberationControlledGain)

TheRCGfunctionadjustthepicturetominimizeinuencefrom
bottomandsurfacereverberation.

Thestrengthoftheltercanbeselectedinthemenu.With
maximumstrengthisselected,theRCGwilleffectivelyreduce
thebottominshallowwater,whilevariationsonthebottom
willbedisplayed.Notethatscatteredshcanbeperceivedas
reverberation.TheRCGltermustthereforebeusedwithcareif
scatteredschoolsaretobedetected.

Ping-to-pinglter

TheeSimradSX90isequippedwithaping-to-pinglter(PP
Filter)toprovideacleanandsteadypresentationbyreducingthe
interferenceandnoise.Thisltercomparestheechoesfroma
selectedamountoftransmissions(pings),andanechohastobe
presentintheselectedamountofpingsinordertobepresented
onthedisplay .

Notethatinroughseas,whenthebeameasilycanmissthetarget
inseveralpings,thePPFiltermustbeusedwithcare.

TVG(TimeVariableGain)

TheTimeV ariableGain(TVG)functioncontrolsthegainof
thereceiversothataschoolwithagivensizeanddensityis
presentedwithapproximatelythesamestrengthonthedisplay,
insidetheregulatedTVGrange.Thiscanalsobeseenasalter,
becauseitreducesthenoiseclosetothevessel.Theregulated
strengthoftheTVGcanbeselectedinthemenu.

Noiselter

Thenoiselterisdesignedtoremoveunwantedacousticnoise
fromthesonarpicture.Itwillreducetheinterferencefromother
acousticsystems(sonarsandechosounders)onyourownvessel
andfromothervesselsinthevicinity.Itwillalsosuppressthe
noisefromyourownpropellersandfromothersimilarnoise
sources.

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SimradSX90

Transmission

ThetransmissioniscontrolledbytheProcessorUnit.The
parametersyouhavechosenareused.

Thereare256separatetransmittersintheunitdistributedon
eighttransceivercircuitboards.

Eachtransmitterisindividuallyaddressedandcontrolledfrom
thesignalprocessor.Thecontrolledparametersincludepower
outputandtimedelayforeachtransducerelementinorderto
formabeamwiththeselectedtiltangle.

Whenthestabilisingsystemisactive,thetiltangleforeachbeam
willautomaticallybecorrectedrelativetothevessel’spitchand
rollmovements.

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Menusystem

MENUSYSTEM

TheSimradSX90Fishndingsonarcomprisesalargenumberof
differentmenusonseverallevels.Menusareselectedbypressing
theirrespectivetabsontherighthandside,andtheappearance
ofmenusandtabsdependsonthechosenoperationalmodeand
thecurrentsettings.

Eachmenubuttondisplaysthecurrentparametersetting.The
menusystemisavailableinseverallanguages.

Figure8Menuelements

(CD015009A)

C

D

E

F

A

B

ASonartype:Thiseldsimplystatesthenameofthe

sonar.

BMode:Clickheretochangedisplaymode.Ifyouclick

onthemiddleofthebuttonyouwillopenadedicated
menuformodeselection.Ifyouclickontheright
orleftsideofthebuttonyoucanscrollthroughthe
availablemodes.

CTab:Clickonatabtobringforwardthemenu.

DMenu:Thisisthebodyofthemenu.Eachmenuholds

oneormorebuttons.

EButton:Clickonabuttontochangetheapplicable

parameter.Ifyouclickonthemiddleofthebutton
youwillnormallyopenadedicatedparameterdialog
forparameterselection.Ifyouclickontherightorleft
sideofthebuttonyoucanscrollthroughtheavailable
choices.

FParameterdialog:Whenyouclickabutton,the

relevantparameterdialogopensatthebottomofthe
menu.Eachparameterdialogholdsoneormore
buttonsormenus.Tocloseaparameterdialog,click
theClosebutton.MostdialogsprovideaHelpbutton
foraccesstotheon-linehelp.Inthisexampleyou
canseetheStatusdialog,whichisreplacedwhena
parameterdialogisopened.

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15

SimradSX90

OPERATINGPANEL

Themostfrequentlyusedfunctionsaredirectlyaccessibleby
thedesignatedcontrolbuttonsontheOperatingPanel,andmay
enteroperationalcommandsdirectly.Thebuttonsaregroupedin
eldsaccordingtotheirpurpose.Mostsonarfunctionsarealso
accessibleandactivatedusingthemenusystemonthedisplay
andthetrackballandSelectbuttonontheOperatingPanel.

Figure9Operatingpanel

AMainswitch:Powerthesonaron(andoff),lowerthe

transducer

BSymbol:Controlthetargetmarkersprovidingexactlatitude

andlongitudepositioning.

CMode:Selectyourfavouritedisplaymodeorusersetting

withthepushonabutton.

DGain:Separategaincontrolforverticalandhorizontalsonar

presentation.

ERange:Separaterangecontrolforverticalandhorizontal

sonarpresentation.

FCursor:Menuandcursorcontrol.

GTilt:Easycontrolofthesonar’stiltangle,orstartautomatic

searchprogram.

HV arious:Storeinterestingscreencaptures,andzoominon

details.

ITrain:Manualcontrolofbeamtraining,startautomatic

searchandtrackingprograms.

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