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442729/A

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

Simrad ST90 Harbour Acceptance Test

Other manuals for Simrad ST90