Simrad ST90 - Inserting the Installation Parameters; Defining the Ship Origin and Dimensions

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Insertingtheinstallationparameters
Topics
Deningtheshiporiginanddimensions,page296
Deningtheinstallationparametersforthetransducer,page298
Adjustingthebuilt-inmotionsensoroffset,page301
Deningtheinstallationparametersforthemotionreferenceunit(MRU),page304
Deningtheshiporiginanddimensions
Whenyouhaveseveraldifferentsensorsandtransducersonyourvessel,andyouwish
eachofthemtoprovideaccuratedata,youneedtoknowtheirrelativephysicalpositions.
Todothis,youmustestablishoneormorecommonreferencepoints.Thisreference
pointisalsousedtopositionthesonarechoesrelativetotheshipsymbolontheST90
presentation.
Prerequisites
Foraccurateshipdimensionsyouneedthedetailedvesseldrawings.Neithertoolsnor
instrumentsarerequired.TheST90isturnedon,anditisworkingnormally.
Context
OntheShippageyoucanusetheship'sphysicaldimensionstocreateavirtualreference
point(theShopOrigin)inadedicatedcoordinatesystemfortheST90.TheShipOrigin
isnormallylocatedinthefollowingposition:
•Xposition:Halftheship'slength
•Yposition:Halftheship'swidth
•Zposition:Onthewaterline
Ifyouwanttochange
thelocationoftheShipOrigin,youcandothisbyprovidingoffset
valuesintheX,Yand/orZdirections.Todothisyouwillneedtheshipdrawings.
SimradST90InstallationManual