Simrad ST90 - Defining the Installation Parameters for the Transducer

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Furtherrequirements
Youmustproceedbydeningthelocationsofthenavigationsystemantenna,themotion
referencesensor,andthetransducer.Theselocationsareallreferencedtothesame
referencepoint.
Relatedtopics
Settingtoworksummary,page242
Insertingtheinstallationparameters,page296
Deningtheinstallationparametersforthetransducer
Whentheinstallationtrunkismounted,itmaynotbepositionedwiththemountingholes
perfectlyalignedtothecentrelineofthevessel.Whenthehullunitisplacedonthe
trunk,the"forward"markonthetransducershaftsleeve-andthusalso"forward"on
thetransducer-maynotpointforwardatall,butseveraldegreesoffthecentreline.To
obtainaccurateST90presentations,thismisalignmentmustbeadjustedbychangingthe
installationparameters.
Prerequisites
TheST90isinstalledasspeciedinthismanual.
•TheST90isturnedon,anditisworkingnormally.
•TheST90isinNormalmode,butTXPowerissettoOfftopreventtransmission.
•Thetransducerisretractedtoitsupperposition.
•Thevesselisberthedoratsea.
Neithertoolsnorinstrumentsarerequired.
Caution
YoumustneversettheST90to"ping"unlessthetransducerissubmergedinwater.
Thetransducermaybedamagedifittransmitsinopenair.
SimradST90InstallationManual