Kongsberg EM 124 User manual

458499/A
March2020©KongsbergMaritimeAS
KongsbergEM124
MultibeamEchoSounder
MaintenanceManual
Image:BathymetryoftheNorthernPortionoftheMarianaTrench.
CourtesyofDrJamesV .Gardener ,UniversityofNewHampshire.

KongsbergMaritimeAS
www.kongsberg.com
Documentinformation
•Product:KongsbergEM124
•Document:MaintenanceManual
•Documentpartnumber:458499
•Revision:A
•Dateofissue:17March2020
Copyright
TheinformationcontainedinthisdocumentremainsthesolepropertyofKongsberg
MaritimeAS.Nopartofthisdocumentmaybecopiedorreproducedinanyformorby
anymeans,andtheinformationcontainedwithinitisnottobecommunicatedtoathird
party,withoutthepriorwrittenconsentofKongsbergMaritimeAS.
Warning
Theequipmenttowhichthismanualappliesmustonlybeusedforthepurposefor
whichitwasdesigned.Improperuseormaintenancemaycausedamagetothe
equipmentand/orinjurytopersonnel.Y oumustbefamiliarwiththecontentsofthe
appropriatemanualsbeforeattemptingtooperateorworkontheequipment.
KongsbergMaritimedisclaimsanyresponsibilityfordamageorinjurycausedby
improperinstallation,useormaintenanceoftheequipment.
Disclaimer
KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentis
correctandfairlystated,butdoesnotacceptliabilityforanyerrorsoromissions.
Supportinformation
Ifyourequiremaintenanceorrepair,contactKongsbergMaritime’s
supportorganisation.Y oucanalsocontactususingthefollowingaddress:
[email protected].Ifyouneedinformationaboutourother
products,visithttps://www.kongsberg.com/maritime.

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Tableofcontents
ABOUTTHISMANUAL..............................................................9
KONGSBERGEM124..............................................................10
Systemdescription...........................................................................................................11
Technicaldetails...............................................................................................................12
Systemdiagram................................................................................................................13
Systemunits.....................................................................................................................14
Transducerdescription...........................................................................................14
TransmitterUnitdescription...................................................................................15
ReceiverUnitdescription.......................................................................................15
ProcessingUnitdescription....................................................................................15
HydrographicWorkStationdescription.................................................................16
Supportinformation.........................................................................................................17
TROUBLESHOOTING..............................................................18
Toolsfortroubleshooting.................................................................................................19
BIST(Built-InSelfTest)dialogbox...............................................................................20
BIST(Built-InSelfTest)theory......................................................................................23
BISTIntroduction...................................................................................................24
CPUTest.................................................................................................................25
CBMFtest..............................................................................................................26
RXunittest.............................................................................................................27
TXunittest.............................................................................................................28
CBMF-CPUlink.....................................................................................................29
RX-CBMFlink.......................................................................................................30
RXchannels...........................................................................................................31
TXchannels............................................................................................................32
RXnoiselevel........................................................................................................33
RXnoisespectrum.................................................................................................34
Softwaredateandversions.....................................................................................35
Systeminformation................................................................................................35
PREVENTIVEMAINTENANCE..................................................36
Inspectingandcleaningthetransducerface....................................................................37
Paintingthetransducerface.............................................................................................39
Inspectingandreplacingsacricialanodes......................................................................41
Approvedanti-foulingpaints...........................................................................................42
PARTSREPLACEMENT............................................................44
Toolsandequipmentrequiredforpartsreplacement.......................................................45
ProcessingUnit-Partsreplacement................................................................................47
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ProcessingUnitreplacement..................................................................................48
CPUboardreplacement..........................................................................................51
VadaTechCP219Ethernetswitchreplacement-ProcessingUnit.........................54
CBMFboardreplacement......................................................................................57
Fanunitreplacement-ProcessingUnit.................................................................60
ProcessingUnitfusereplacement..........................................................................63
TransmitterUnit-Partsreplacement...............................................................................66
Fanunitreplacement-TransmitterUnit................................................................67
12VPowersupplyreplacement-TransmitterUnit................................................72
HVPowersupplyreplacement-TransmitterUnit.................................................78
ReceiverUnit-Partsreplacement...................................................................................83
ReceiverUnitreplacement.....................................................................................84
Powersupplyreplacement-ReceiverUnit............................................................89
SPAREPARTSANDCONSUMABLES........................................95
Orderingspareparts.........................................................................................................96
ProcessingUnit-Listofspareparts................................................................................97
ProcessingUnitsparepart436571.........................................................................97
CBMFboardsparepart430675.............................................................................97
CPUboardsparepart457015................................................................................98
Powersupplysparepart373897............................................................................98
Fanunitsparepart385387.....................................................................................99
TransmitterUnit-Listofspareparts.............................................................................100
LPTX36Transmitterboardsparepart446679.....................................................100
TXRIOboardsparepart426321.........................................................................100
Ethernetswitchsparepart338124.......................................................................101
TXUFanunitsparepart430443..........................................................................101
TXU12VPowersupplysparepart437247.........................................................101
TXUHVPowersupplysparepart437225..........................................................102
ReceiverUnit-Listofspareparts.................................................................................103
ReceiverUnit1degree-sparepart424633.........................................................103
ReceiverUnit2degrees-sparepart424634.......................................................103
ReceiverUnit4degrees-sparepart424635......................................................104
RXUPowersupplysparepart428206.................................................................104
PROCESSINGUNIT..............................................................105
ProcessingUnitdescription...........................................................................................106
ProcessingUnitfamiliarization......................................................................................106
ProcessingUnitfrontpaneldescription.........................................................................107
ProcessingUnitrearpaneldescription..........................................................................108
ProcessingUnitcircuitboardsandmodules..................................................................109
CPUboard......................................................................................................................110
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ConcurrentPPB12CPUboardoverview............................................................110
ConcurrentPPB12CPUboardconnectors..........................................................111
ConcurrentPP833CPUboardoverview..............................................................111
ConcurrentPP833CPUboardconnectors...........................................................112
CP219Ethernetswitch...................................................................................................113
Ethernetswitchoverview.....................................................................................113
Ethernetswitchconnectors...................................................................................114
CBMFboard..................................................................................................................115
CBMFboardoverview.........................................................................................115
CBMFboardconguration..................................................................................116
CBMFboardconnectors......................................................................................117
TRANSMITTERUNIT............................................................118
TransmitterUnitfamiliarization....................................................................................118
TransmitterUnitbottompaneldescription....................................................................120
TransmitterUnittoppaneldescription..........................................................................122
TransmitterUnitpowersupplies....................................................................................124
RIO-Pboard-dipswitchsetting...................................................................................125
RECEIVERUNIT...................................................................126
ReceiverUnitfamiliarization.........................................................................................127
ReceiverUnitbottompaneldescription........................................................................128
ReceiverUnit-dipswitchsetting..................................................................................129
HYDROGRAPHICWORKSTATION........................................130
HydrographicWorkStationdescription........................................................................131
HydrographicWorkStationfrontpaneldescription......................................................131
HydrographicWorkStationrearpaneldescription.......................................................132
DRAWINGFILE....................................................................133
213673TXmoduleoutlinedimensions.........................................................................135
213217RXmoduleoutlinedimensions.........................................................................136
372053TXmountingframe-0.5degrees.....................................................................137
213433TXmountingframe-1degree..........................................................................138
213370ATXmountingframe-2degrees.....................................................................139
213370BTXmountingframe-2degrees.....................................................................140
213744RXmountingframe-1degree.........................................................................141
213389RXmountingframe-2degrees........................................................................142
213803RXmountingframe-4degrees........................................................................143
372981TXCasingwithframe-0.5degrees.................................................................144
213754TXCasingwithframe-1degree......................................................................145
213755TXCasingwithframe-2degrees....................................................................146
213749RXCasingwithframe-1degree.....................................................................147
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213756RXCasingwithframe-2degrees....................................................................148
213810RXCasingwithframe-4degrees....................................................................149
365207Bafeplate1dimensions..................................................................................150
365208Bafeplate2dimensions..................................................................................151
365209Bafeplate3dimensions..................................................................................152
426226TransmitterUnitdimensions.............................................................................153
435444ReceiverUnitdimensions.................................................................................154
385422ProcessingUnitdimensions..............................................................................155
378828HWSdimensions..............................................................................................156
445723Rackinstallationkitdimensions.......................................................................157
365290KM1000mountingkitdimensions..................................................................158
409067Fibrecablekit...................................................................................................159
370275RemoteControlUnit(K-REM)dimensions.....................................................160
373962RemoteControlUnit(K-REM)wiringdiagram...............................................161
TECHNICALSPECIFICATIONS..............................................162
Performancespecications............................................................................................163
Interfacespecications...................................................................................................165
Datagramformats.................................................................................................166
Interfacespecications-ProcessingUnit-KMallformat...................................167
Externalsensorsrequirements..............................................................................170
Interfacespecications-HydrographicWorkStation-KMallformat................171
Weightandoutlinedimensions......................................................................................172
Powerrequirements.......................................................................................................175
Environmentalrequirements..........................................................................................177
Dimensionalsurveyaccuracyrequirements..................................................................180
Alignmentspecications................................................................................................182
CABLELAYOUTANDINTERCONNECTIONS...........................183
Cableplans.....................................................................................................................184
Cableplan,ProcessingUnit.................................................................................185
Cableplan-TransmitterUnit...............................................................................186
Cableplan,ReceiverUnit,1degree.....................................................................194
Synchronizationoverview,2TransmitterUnits1ReceiverUnit.........................197
Remoteon/offoverview,2TransmitterUnits1ReceiverUnit............................198
Cableplan,HydrographicWorkStation..............................................................199
ListofEM124cables....................................................................................................200
Clocksynchronization(1PPS).......................................................................................204
Externalsynchronization...............................................................................................206
Cabledrawingsandspecications.................................................................................209
RS-232seriallineusingthreewiresandRJ45connector....................................210
RS-422seriallineusingvewiresandRJ45connector......................................211
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Clocksynchronisation(1PPS)usingacoaxcable...............................................212
Externalsynchronisation......................................................................................213
Remotecontrol.....................................................................................................214
RemoteControlusingK-Rem..............................................................................215
Dummyplugfornotusingremotecontrol...........................................................216
RemotecontrolofTransmitterUnit.....................................................................217
RemotecontrolofReceiverUnit..........................................................................219
Remotecontroloverview.....................................................................................221
TransmitTransducercable...................................................................................223
ReceiveTransducercable.....................................................................................224
EQUIPMENTHANDLING.......................................................225
TransportingKongsbergMaritimeequipment...............................................................226
Liftingunitsandtransportationboxes...........................................................................227
Inspectionofunitsandtransportationboxesafterarrival..............................................229
Specicationsforstoragepriortoinstallationoruse.....................................................230
Unpackinginstructions..................................................................................................232
Unpackingstandardpartsandunits......................................................................232
Unpackingmechanicalunits................................................................................233
Unpackingelectronicandelectromechanicalunits..............................................234
Unpackingtransducers.........................................................................................235
Specicationsforstorageafterunpacking.....................................................................237
MaintenanceManual

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KongsbergEM124

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Aboutthismanual
Thepurposeofthismanualistopresentthedescriptionsanddrawingsrequiredtodo
basicmaintenancetasksontheEM124MultibeamEchoSounder.Theequipment
describedinthismanualincludesthecompletesystemwithassociatedcabinets,butnot
thosesystemunitsprovidedlocallybythecustomer,installationshipyardorlocaldealer.
Targetaudience
Themanualisintendedfortechnicalpersonnel;qualiedmaintenanceengineers
andtechnicians.Youmustunderstandthegeneralprinciplesofmaritimeelectronic
equipment.Youmustalsobefamiliarwithcomputerhardware,signalprocessing,
interfacetechnologyandtraditionaltroubleshootingonelectronicandmechanical
products.
Weassumethatyouarefamiliarwiththebasicacousticprinciplesofsoundinwater.
Wealsoexpectthatyouhavesomeexperiencewithmultibeam,split-beamand/or
single-beamechosoundersinscienticapplications.
Onlineinformation
Allrelevantend-userdocumentationprovidedforyourEM124canbedownloaded
fromourwebsite.
•https://www.kongsberg.com/maritime/
OurwebsitealsoprovidesinformationaboutotherKongsbergproducts.
Technicalinformationisavailableforregisteredusersinourpasswordprotected
database.
Registeredtrademarks
Observetheregisteredtrademarksthatapply.
EM®isaregisteredtrademarkofKongsbergMaritimeASinNorwayandothercountries.
Windows®isaregisteredtrademarkofMicrosoftCorporationintheUnitedStatesand
othercountries.
Aboutthismanual

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KongsbergEM124
Topics
Systemdescription,page11
Technicaldetails,page12
Systemdiagram,page13
Systemunits,page14
Supportinformation,page17
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Systemdescription
EM124multibeamechosounderisahighperformanceechosounderfordeepwater
mapping.
TheEM124isdesignedtoperformseabedmappingtofulloceandepthwithan
unsurpassedresolution,coverageandaccuracy.Thesystemiscosteffective,reliable,
andeasilyoperated.ThedesignoftheEM124isbasedonmorethan50yearsof
hydrographicexperiencewithechosounders,sonarsandunderwaterpositioningfor
civilianandmilitaryuse.Itisthelatestmodelinaseriesofdeepseamultibeamecho
soundersthatstartedwiththeEM12in1990.
TheEM124consistofnewstate-of-the-artelectronicsandseparatetransmitandreceive
transducersinaMillsCrossconguration.Itusesthesameeld-proventransducersas
theEM122,makingiteasytoupgrade.Carehasbeentakentodesignahighly,modular
andexiblesolutionwithcompactelectronicsforeasierandfasterinstallation.Duetoa
exibletransducerdesign,thesystemcanbetailoredtoalmostanyrequiredsize.The
largeststandardsize,0.5x1degrees,givestheultimatesystemperformanceintermsof
resolutionandrange,whileasmaller4x4degreessolutionallowingfulloceandepth
surveysevenonsmallervessels.
TheEM124multibeamechosounderconsistsofthefollowingmainunits.
•Transducerarrays
•TransmitterUnit(s)
•ReceiverUnit(s)
•ProcessingUnit
•HydrographicWorkStation
Toformacompletesystemitisalsorequiredtohavesensorsprovidingvesselattitude,
velocity,position,soundspeedproleofthewatercolumnandspeedofsoundatthe
transducerdepth.
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Technicaldetails
TheEM124operatesatsonarfrequenciesinthe10.5-13.5kHzrange.Thetransmitfan
isdividedinto4sectorsinshallowmodes(8sectorsindeepmodes)tomaximizerange
capabilitybutalsotosuppressinterferencefrommultiplesofstrongbottomechoes.
Thesectorsaretransmittedsequentiallywithineachping,andusesdistinctfrequencies
orwaveforms.
Thenominalsonarfrequencyis12kHzwithanangularcoveragesectorofupto150
degreesand1600beamsperping.Achievableswathwidthonaatbottomwillnormally
beupto6times(143degrees)thewaterdepth.Theangularcoveragesectorisoperator
controllableormaybesettoaxedrange.Itmayalsobesettovaryautomaticallywith
depthaccordingtoachievablecoverage.Thismaximizesthenumberofusablebeams.
Thebeamspacingisnormallyhighdensityequidistantwithequiangleavailable.
Thetransmitfanissplitinseveralindividualsectorswithindependentactivesteering
accordingtovesselroll,pitchandyaw.Thisplaceallbeamsona“bestt”toaline
perpendiculartothesurveyline,thusensuringauniformsamplingofthebottomand
100%coverage.
Indualswathmodethetransmitfanisduplicatedandtransmittedwithasmalldifference
inalongtracktilt.Theappliedtilttakesintoaccountdepth,coverageandvesselspeedto
giveaconstantbeamseparationalongtrack.
ThesectorsarefrequencycodedorhaveFMchirps,andtheyaretransmittedsequentially
ateachping.Thesectorsteeringisfullytakenintoaccountwhenthepositionanddepth
ofeachbeamiscalculated,asistherefractionduetothesoundspeedprole,vessel
attitudeandinstallationangles.Thepulselengthandrangesamplingratearevariable
withdepth(autoormanual)forbestresolution.
Inshallowwatersduecareistakentotheneareldeffectsthroughneareldfocusing
individuallyappliedinthedifferentsectors.
EM124appliesonefocusrangeforeachofthetransmitsectorswhichareusedfor
shallowwaterenvironment.Dynamicbeamfocusingisusedforthereceptionbeams.
Thepingrateismainlylimitedbytheroundtriptraveltimeinthewateruptoaping
rateofmorethan5Hz.
ThenumberofindividualTXandRXmodulesinthetwoarraysdependsonthechosen
conguration.Thestandardtypesidentiedby"transmissionxreception"beamwidth
are:
•0.5x1degreesystem:96transmittransducermodulesand16receivetransducer
modules
•1x1degreesystem:48transmittransducermodulesand16receivetransducermodules
•1x2degreessystem:48transmittransducermodulesand8receivetransducermodules
•2x2degreessystem:24transmittransducermodulesand8receivetransducermodules
•2x4degreessystem:24transmittransducermodulesand4receivetransducermodules
•4x4degreessystem:12transmittransducermodulesand4receivetransducermodules
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Systemdiagram
ThesystemdiagramidentiesthemaincomponentsofabasicEM124system.Only
themainconnectionsbetweentheunitsareshown.Detailedinterfacecapabilitiesand
powercablesarenotshown.
AHydrographicWork
Station
BInterfaces:
•Soundspeed
sensors
•Tide
•Centredepth
output
CProcessingUnit
DInterfaces:
•Positioning
systems
•Attitude(roll,
pitchandheave)
•Soundspeed
sensor
•Velocity
•Clock
•Trigger
input/output
•Clocksynchronisation(1PPS)
ETransmitterUnit(TXU)
FReceiverUnit(RXU)
GTransmittransducermodules
HReceivetransducermodules
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Systemunits
Topics
Transducerdescription,page14
TransmitterUnitdescription,page15
ReceiverUnitdescription,page15
ProcessingUnitdescription,page15
HydrographicWorkStationdescription,page16
Transducerdescription
Atransducerisadevicethatconvertsoneformofenergytoanother.Inanechosounder
systemthetransducerconvertsbetweenelectricenergyandsound.
Receivetransducermodule
TheEM124usesseparatetransducerarraysfor
transmittingandreceivingsoundpulses.Both
transducerarrayshaveseveralmoduleswhichare
assembledinmountingframes.
Thetwotransducerarraysarenormallymountedas
“T”or“L”congurationsunderthevessel’shull(Mills
Crossconguration).Thetransmittransducerarray
shouldbealignedparalleltothevessel’skeel.The
receivertransducerarrayshouldbealigned90°onthekeel.Bothtransducerarrays
shouldbehorizontalonaplaneonthekeel.
Thetransmittransducerarraycontainsupto96modulesinaccordancewiththechosen
beamwidth.Eachmodulecontains18elementsarrangedinrowsof6elements.Each
elementisindividuallyconnectedtoitscorrespondingtransmitterintheTransmitter
Unit(s).Itcanthusbedrivenwithanuniqueamplitudelevelandphasetoallowforming
oftherequiredtransmitsectorswithindividualsteering.
Thereceivetransducercontainsupto16modulesinaccordancewiththechosen
beamwidth.Eachmodulecontains8transducerstaves,andthesehaveindividual
electricalconnectionstotheircorrespondingpreampliersintheReceiverUnit(s).Each
stavecanthusbegivenuniqueamplitudeandphasecontroltoallowformingofthe
requiredreceivebeams.
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TransmitterUnitdescription
TheEM124TransmitterUnithasalltransmitelectronics,likecontrolprocessors,power
ampliers,powersupply,capacitorbatteryandEthernetinterface.
TheTransmitterUnitisawall-mountedsteelcabinet
withintegratedshockandvibrationabsorbers,designed
forbulkheadmounting.One19inchsub-rackis
containedinthecabinet.Thenumberofcircuitboards
inthesub-rackwilldependonthechosentransducer
conguration.
TwistedpairEthernetisusedfordatacommunication
withtheProcessingUnit.
TheTransmitterUnitisnormallylocatedina"sonar
room"closetothetransducerarrays.
ReceiverUnitdescription
TheEM124ReceiverUnithasallreceiveelectronics,likecontrolprocessor,ampliers,
Analog-to-DigitalConverters,powersupplyandEthernetinterface.
TheReceiverUnitisasmallwall-mountedsteel
cabinetwithintegratedshockandvibrationabsorbers,
designedforbulkheadmounting.Thenumberofcircuit
boardsintheReceiverUnitwilldependonthechosen
transducerconguration.TwistedpairEthernetisused
fordatacommunicationwiththeProcessingUnit.
TheReceiverUnitisnormallylocatedina"sonar
room"closetothetransducerarrays.
ProcessingUnitdescription
TheEM124ProcessingUnitisprovidedtoprocessthesignalstoandfromthe
TransmitterandReceiverUnits.
TheEM124ProcessingUnitisanindustrial
computerusingbothCOTS(commercialoff-the-shelf)
componentsandcustommadecomponents.Theunitis
designedandtestedforruggeduse.
TheProcessingUnitperformsthereceiverbeamforming,bottomdetection,andmotion
andsoundspeedcorrections.Itcontainsallinterfacesfortime-criticalexternalsensors
suchasvesselattitude(roll,pitch,headingandheave),vesselpositionandexternal
clock.Morethanonesensorofeachtypemaybeconnectedsimultaneously,withonein
useandallofthemlogged.
TheProcessingUnitcontrolstheTransmitterandReceiverunitsviaEthernet
communication,andisalsointerfacedtotheOperatorstationviaEthernet.
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The48VoutputfromtheProcessingUnitcanbeusedforremoteon/offcontrolofthe
TransmitterandReceiverUnits.
TheProcessingUnitisnormallylocatedina"sonarroom"closetothetransducerarrays.
Theunitcanalsobeplacedinthe"surveyroom"oronthebridge.
HydrographicWorkStationdescription
TheHydrographicWorkStationistheoperatorstationfortheEM124.
Adedicatedmaritimecomputerisprovidedwiththe
EM124MultibeamEchoSounder.Itissetupwith
allnecessarysoftware.
TheHydrographicWorkStationisbasedonthe
Microsoft®Windows10operatingsystem.
TheHydrographicWorkStationisnormallymounted
neartheoperatorworkspace.
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Supportinformation
ShouldyouneedtechnicalsupportforyourEM124youmustcontactaKongsberg
Maritimeofce.Alistofallourofcesisprovidedonourwebsite.Y oucanalsocontact
ourmainsupportofceinNorway.
A24hourtelephonesupportservicemayalsobeavailabledependingonyourService
LevelAgreement.
•Companyname:KongsbergMaritimeAS
•Address:Strandpromenaden50,3183Horten,Norway
•Website:https://www.kongsberg.com/maritime/
•E-mailaddress:[e-mail]
KongsbergEM124

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Troubleshooting
Topics
Toolsfortroubleshooting,page19
BIST(Built-InSelfTest)dialogbox,page20
BIST(Built-InSelfTest)theory,page23
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Toolsfortroubleshooting
EfcientEM124troubleshootingrequiresagoodknowledgeofitsfunctionalityand
design.Specictoolsmayalsoberequiredforcertaintasks.
ThefollowingtoolsarerelevantfortroubleshootingtheKongsbergEM124Multibeam
EchoSounder.
•Built-InSelfTest(BIST)
•AnalysisofthedatapresentationsmadebytheEM124
•Messages
•Visualchecks
•Relevantmeasurementswithapplicabletestinstruments
•Testandvericationprocedures
•Yourownknowledgeofhowthesystemworks
Weassumethatyouareequippedwithastandardsetoftools.Thistoolsetmust
comprisethenormaltoolsforelectronicandelectromechanicaltasks.Thisincludes
differentscrewdrivertypes,pliers,spanners,acablestripper,asolderingiron,etc.Each
toolmustbeprovidedinvarioussizes.Werecommendthatalltoolsaredemagnetizedto
protectyourequipment.
Note
Ifoneormorespecialtoolsarerequiredforatask,thesearespeciedintherelevant
procedure.
Itisimpossibletocreateadetailedlistofallpossibleerrorsanderrorsymptomsinthe
EM124.
However,keycomponentsthatfailwillinmostcasesbedetectedbythetoolsyouhave
available.
ThemostimportanttoolisyourownknowledgeabouttheEM124.Basedonalistofthe
maincomponentsinthesystem,briefdescriptionsofwhattheydoandhowtheywork,
includingsuggestedcertainsymptoms,youmayworkoutthepossiblesolutions.
Troubleshooting

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BIST(Built-InSelfTest)dialogbox
TheBISTdialogboxprovidesseveralautomaticteststochecktheoperationofthe
echosoundersystem.
Howtoopen
•SIS:SelectInstallationParametersontheViewmenu.SelecttheInstallation
ParametersiconandselectBIST.
•K-Controller:SelecttheInstallationParametersiconandselectBIST.
Description
TheBIST(Built-InSelfTest)optionsprovideanumberofautomaticteststhatmaybe
startedtochecktheoperationoftheechosoundersystem.
Varioustestareavailable,dependingonwhatsystemyouhave.
KongsbergEM124MaintenanceManual