Simrad SH90 - PRODUCT DESCRIPTION REV A User Manual

SimradSH90

Productdescription

ThisdocumentprovidesageneraldescriptionoftheSimrad
SH90Fishndingsonar.Italsoprovidespresentation
examples,thetechnicalspecications,andtheoutline
dimensiondrawingsrequiredforinstallation.

337405/A

03.09.2009

History

Documentno:337405/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:-.Ifyouneedinformationaboutourotherproducts,visitourweb
site.Onthewebsiteyouwillalsondalistofourdealersanddistributors.

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Productdescription

Tableofcontents

SIMRADSH90...................................................................5

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

Mainunits.................................................................................................................5

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

Sonarroomunits...........................................................................................7

Systemdiagram........................................................................................................8

Basicfunctionality....................................................................................................9

Omnibeam...................................................................................................9

Stabilisationsystem....................................................................................10

Reception...................................................................................................11

Transmission..............................................................................................12

MENUSYSTEM................................................................14

OPERATINGPANEL.........................................................15

EXAMPLES......................................................................16

TECHNICALSPECIFICATIONS.........................................18

Powerspecications...............................................................................................18

Weightsandoutlinedimensions.............................................................................19

Environmentalspecications.................................................................................21

Performancespecications.....................................................................................22

DRAWINGFILE...............................................................24

TransceiverUnitdimensions..................................................................................25

Forwardview.............................................................................................25

Sideview...................................................................................................26

Topview....................................................................................................27

PowerSupplyUnitdimensions..............................................................................28

Forwardview.............................................................................................28

Sideview...................................................................................................29

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

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

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

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

OperatingPaneldimensions...................................................................................33

SH90Hullunitdimensions....................................................................................34

SH90Sonartrunkdimensions................................................................................35

SH90Sonartrunkproduction.................................................................................36

Sideview...................................................................................................36

Topview....................................................................................................37

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SimradSH90

SH90Blindcoverdimensions................................................................................38

COMPANYPROFILE.........................................................39

Simrad....................................................................................................................39

KongsbergMaritimeAS.........................................................................................39

KongsbergGroup...................................................................................................41

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SimradSH90

SIMRADSH90

StudythischaptertofamiliarizeyourselfwiththeSimradSH90
Fishndingsonarsystem.

Topics

•Basicinformationonpage5

•Mainunitsonpage5

•Systemdiagramonpage8

•Basicfunctionalityonpage9

Basicinformation

TheSimradSH90isanomnidirectionalhighfrequencysonar.It
isdesignedforallsizedshingvessels,bothpurseseinersand
trawlers.Theoperationalfrequencyis114kHz.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,theSimradSH90containsanadvanced
frequencymodulatedltersystem(FM).

Mainunits

TheSimradSH90comprisesthefollowingmainunits:

•Normallyinstalledinthewheelhouse:

–ColourMonitor

–Operatingpanel

–ProcessorUnit

–OperatingPanelpowersupply

•Normallyinstalledinthesonarroom:

–TransceiverUnit

–PowerSupplyUnit

–HullUnit

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SimradSH90

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
beenspeciedandassembledbySimradtosuittheSH90sonar
requirements.ThecomputerholdsaDVDplayertobeusedfor
futuresoftwareupgrades.

Figure2ProcessorUnit

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SimradSH90

Thiscomputerservesseveralfunctions.Itperformstheadvanced
signalprocessingrequiredtopresenttheinformationonthe
display,anditallowsyoutocontrolthesonar.Itprovidesthe
graphicpresentationofthesonarmodesandtheimagescreated,
itholdsthemenusystem,itcommunicateswiththeTransceiver
Unit,andreadsinformationfromperipheralunits.

OperatingPanelpowersupply

Asmallpowersupplyisimplementedtoprovidestand-bypower
totheOperatingPanel.Thepowersupplyisconnectedtothe
ProcessorUnit.

Sonarroomunits

TransceiverUnit

TheSH90TransceiverUnitislocatedinthesonarroom,closeto
theHullUnit.

Thetransceiverperformsthetransmissionandreceptioncontrol
ofthe480transmittersand480receiverchannels.16identical
transceiverboardsareused.Adedicatedpowersupplyis
providedtosupplytherequiredDCvoltagestothetransceiver.
OneEthernetcableisusedforcommunicationwiththeProcessor
Unitinthewheelhouse,andasecondEthernetcableisusedto
controlthehullunit.ThethirdEthernetcableconnectstothe
PowerSupplyUnit.

Thetransducercablesfromthehullunitarepluggedintotheside
walloftheTransceiverUnitcabinetusingaspecialplug.

TheTransceiverUnitismountedonthebulkheadusingpowerful
shockabsorbers.Theconnectorsforpowerandinterfaceare
locatedatthebottomofthecabinet.

PowerSupplyUnit

Adedicatedpowersupplycabinetisusedtoprovidethe
TransceiverUnitwithoperationalpower.

HullUnit

TheHullUnitisdesignedtolowerthetransducer1.0meters
belowtheship’shull.

Thetransducercanalsobeloweredtoanyselectedmiddle
position.Incaseofvoltagefailure,thetransducercanberaised
orloweredmanuallybymeansofahandcrank.

Thesensorfortheelectronicstabilisationofthesonarbeams
ishousedintheMotorControlUnit,whichismountedonthe
HullUnit.

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Transducer

ThecylindricalTransducerallowsthesonarbeamtogivefull360
degreescoverageofthewatervolumedownto-60degrees.

Systemdiagram

Figure3SH90Simpliedsystemdiagram

AProcessorUnit

BColourMonitor

COperatingpanel

DOperatingPanelpowersupply

ETransceiverUnit

FPowerSupplyUnit

GMotorControlUnit(mountedon

thehullunit)

HHullUnit

ITransducer(mountedonthehull

unit)

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SimradSH90

Basicfunctionality

ThebasicprinciplesoftheSimradSH90areuniquebecause
ofthe480transmitterand480receiverchannelswiththeir
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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SimradSH90

Figure560degreesverticalslice

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

Figure6Omni/verticalcombination

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

Stabilisationsystem

TheSimradSH90isprovidedwithastabilisationsystem.

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SimradSH90

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

Figure7Stabilisationsystem

Reception

Agreatefforthasbeenmadetoreduceunwantednoisetogeta
cleanandstableechopresentation.Toachievethisgoalthesonar
receiverhasthefollowinglteringpossibilities:

•FMCorrelationlter

•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.

AGC(AutomaticGainControl)

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

Thestrengthoftheltercanbeselectedinthemenu.

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SimradSH90

RCG(ReverberationControlledGain)

TheRCGfunctionadjustthepicturetominimizeinuencefrom
bottomandsurfacereverberation.

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

Ping-to-pinglter

TheeSimradSH90isequippedwithaping-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.

Transmission

ThetransmissioniscontrolledbytheProcessorUnit.The
parametersyouhavechosenareused.

Thereare480separatetransmittersintheunitdistributedon
sixteentransceivercircuitboards.

Eachtransmitterisindividuallyaddressedandcontrolledfrom
thesignalprocessor.Thecontrolledparametersincludepower
outputandtimedelayforeachtransducerelementinorderto
formabeamwiththeselectedtiltangle.

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Whenthestabilisingsystemisactive,thetiltangleforeachbeam
willautomaticallybecorrectedrelativetothevessel’spitchand
rollmovements.

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SimradSH90

MENUSYSTEM

TheSimradSH90Fishndingsonarcomprisesalargenumberof
differentmenusonseverallevels.Menusareselectedbypressing
theirrespectivetabsontherighthandside,andtheappearance
ofmenusandtabsdependsonthechosenoperationalmodeand
thecurrentsettings.

Eachmenubuttondisplaysthecurrentparametersetting.The
menusystemisavailableinseverallanguages.

Figure8Menuelements

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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