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409977/B

4Makethefollowingpreparations.

aOntheMainmenu:

•SetRangeto1500m.

bOpentheOperationmenu.

•SetTxPowertoOff.

cOpentheActivemenu.

1SetPulseTypetoCWMedium.

2SetFrequencyto20kHz.

3SetVerticalTXSectortoNarrow.

4SetNoiseFiltertoOff.

5SettheBottomFilterThresholdtoOff.

dOpentheSetupmenu.

•SelectBITEtoopentheBITE(Built-InTestEquipment)dialogbox.

5SelectTransceivertoopenthepage.

Thispageprovidesagraphicpresentationofthe12transceiverboards.The

presentationreectstheirphysicallocationintheTransceiverUnit.Only

staticinformationisprovided.TheBoardInformationparametersofferkey

informationaboutthesupplypowertotheselectedtransceiverboard,aswellas

theenvironmentalconditions.

6Makesurethatallthe12transceiverboardsarefullyfunctional.

7SelectTransducertoopenthepage.

TheTransducerpagepresentsalltheelementsthatareusedintheSU90transducer.

Thepresentationattemptstoorganizetheelementsinthesamemannerasinthe

physicaltransducer.Thetransceiverboardsareshownas"buttons".Selecta

transceiverboardtohighlighttheelementsthatarephysicallyconnectedtothe

board.

8SelectReceptionTesttostartanautomatictestoftheindividualtransducerelements.

ThereceptiontestvalidateseachsingleelementintheSU90transducer,andreturns

thestatususingasimplecolourcoding.

•Green:Thetransducerelementisfullyoperational.

•Red:Thetransducerelementoffersreducedperformance.

•Black:Thetransducerelementisnotworking("dead").

Formoreinformation,observethetooltipprovidedforeachelementrectangle.

9Verifythatthemaximumnumberofunserviceable("dead")elementsdoesnot

exceed4.

Asmallnumberofunserviceabletransducerelementsareaccepted,evenfor

operationaluse.Thisisregardedas"gracefuldegradation”.

TestingtheSU90operationalfunctionality

Simrad SU90 Harbour Acceptance Test

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