Simrad ST90 - Page 37

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Procedure
1Makesurethatyouhavesufcientwaterdepthbelowthekeelbeforeyoulower
thetransducer.
2Lowerthetransducertoitsbottomposition.
3Selectthedefaultsettings.
aOntheMainmenu,selectUserSettings.
bObservetheFactorySettingslist.
cSelectthesettingyouwishtouse.
dSelectActivateSelectedSetting.
eSelectOKtoapplyyourchangesandclosetheUserSettingsdialogbox.
4Makethefollowingpreparations.
aOntheMainmenu:
•SetRangeto1500m.
bOpentheOperationmenu.
•SetTxPowertoOff.
cOpentheActivemenu.
1SetPulseTypetoCWMedium.
2SetFrequencyto14kHz.
3SetVerticalTXSectortoNarrow.
4SetNoiseFiltertoOff.
5SettheBottomFilterThresholdtoOff.
dOpentheSetupmenu.
•SelectBITEtoopentheBITE(Built-InTestEquipment)dialogbox.
5SelectTransceivertoopenthepage.
Thispageprovidesagraphicpresentationofthe12transceiverboards.The
presentationreectstheirphysicallocationintheTransceiverUnit.Only
staticinformationisprovided.TheBoardInformationparametersofferkey
informationaboutthesupplypowertotheselectedtransceiverboard,aswellas
theenvironmentalconditions.
6Makesurethatallthe12transceiverboardsarefullyfunctional.
7SelectTransducertoopenthepage.
TheTransducerpagepresentsalltheelementsthatareusedintheST90transducer.
Thepresentationattemptstoorganizetheelementsinthesamemannerasinthe
physicaltransducer.Thetransceiverboardsareshownas"buttons".Selecta
transceiverboardtohighlighttheelementsthatarephysicallyconnectedtothe
board.
TestingtheST90operationalfunctionality