Simrad ST90 - Setting up the Interface for Speed Log Input

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12Providetheaccuratephysicallocationofthesensor(oritsantenna)withreference
tothevessel’scoordinatesystem.
ThepositionofcertainsensorsmustbedenedasanoffsettotheShipOrigininthe
coordinatesystemtomaximizeperformance.Theseoffsetvaluesareallrequired
toallowtheST90togiveyouasaccurateinformationaspossible.Thedegreeof
accuracyofferedbytheST90isdirectlyrelatedtotheaccuracyoftheinformation
youenterontheSensorInstallationpage.
aSelecttheoffsetvalueontheXaxis(fore-and-aftdirection)fromtheShip
Origin.AdjustwithapositivevalueforXifthesensorislocatedahead
ofthe
shiporigin.
bSelecttheoffsetvalueontheYaxis(athwartship)fromtheShipOrigin.
AdjustwithapositivevalueforYifthesensorislocatedonthestarboard
sideoftheshiporigin.
cSelecttheoffsetvalueontheZaxis(vertical)fromtheShipOrigin.Adjust
withapositivevalueforZifthesensorislocatedundertheshiporigin.
13SelectAddtosavethenewsensorinterfaceyouhavedened.
ThesensorinterfaceisaddedtotheInstalledSensorslistontheSensorInstallation
page.
14Atthebottomofthedialogbox,selectApplytosaveyoursettings.
15Repeatforeachsensorinterfacethatyouneedtosetup.
16ContinueyourworkintheInstallationdialogbox,orselectOKtocloseit.
Furtherrequirements
OntheleftsideoftheInstallationdialogbox,selectSensorConguration.Denethe
priorityofthedatagrams,andsetuprelevantcongurationparameters.
Relatedtopics
Settingtoworksummary,page242
Settinguptheinterfacestoperipheraldevices,page328
Settinguptheinterfaceforspeedloginput
Inordertooperatecorrectly,theST90requiresinputfromaspeedlog.Inmostcases
asuitablesensorisalreadyinstalledonthevessel.Aglobalpositioningsystem(GPS)
withacompatibleoutputformatcanalsobeused.Toselectwhichsensorstoinstall,
usetheSensorInstallationpage.Thevesselspeedisshownonthetopbarifyouhave
enabledthisintheDisplayOptionsdialogbox.
Prerequisites
Thisprocedureassumesthat:
•YouhaveavacantinterfaceportonyourProcessorUnit.
Settingtowork