Simrad ST90 - Verifying the Installation Parameters; Verifying Vessel Origin and Ship Dimensions

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Verifyingtheinstallation
parameters
Topics
Verifyingvesseloriginandshipdimensions,page49
Verifyingtheinstallationparametersforthetransducer,page51
Verifyingtheinstallationparametersfortheglobalpositioningsystem(GPS)antenna,
page52
Verifyingtheinstallationparametersforthemotionreferenceunit(MRU),page54
Verifyingvesseloriginandshipdimensions
Thephysicallengthandwidthoftheshipareimportantparametersthatneedtobe
recordedintheST90software.
Prerequisites
Foraccuratelocationoftheshipdimensions,youneedthedetailedvesseldrawings.
Neithertoolsnorinstrumentsarerequired.TheST90systemisturnedonandoperates
normally.
Context
ItiscommonpracticetoplacetheShipOriginatthesamepositionasthemotion
referenceunit(MRU).Thiswillminimizethevectorswhenyourvesselismoving.Use
thevesseldrawingstoestablishtheoffsetvaluesbetweenthebasicpositionoftheShip
OriginandtheMRUlocation.
IfyoudonothaveamotionsensoryoucanplacetheShipOriginatanylocationonthe
vessel.Wesuggestthatyouplacetheoriginunderthecaptain’sseatonthebridge.All
sensorswillthenbereferencedtothisposition.Wheneverasonarisusedwithshort
ranges,thiswillprovideamoreprecisepresentation.
Verifyingtheinstallationparameters