Simrad SX90 - INSTALLATION REV C - Location of the Hull Unit

Installationplanning
Locationofthehullunit
Foreandaft
Thehullunitshouldpreferablybelocatedwithin1/3to1/10
ofthevessel’sLengthBetweenPerpendiculars(LBP)fromits
ForwardPerpendicular(FP).Deviationsshouldnotbemade
withoutconsultingSimrad.
Athwartships
ThehullunitmaybelocatedontheCentreLine(CL)ofthe
vessel,oralongsideitskeel.Iftheinstallationisoffsetfromthe
vessel’scentreline,makesurethattransducertransmissionand
receptionwillnotbeobstructedbythekeel.
Figure5Locationofthehullunit
AWaterlevelatnormaltrim
BWeldingmarkstoindicatehullunitlocationwhendocking
CLengthBetweenPerpendiculars(LBP)
D1/3to1/10ofLBP
Importantconsiderationsrelatedtonoise
Theinstallationtrunkmustbeinstalledsothatitwillremain
verticalundernormaloperatingconditions.Theprimarysources
ofunderwaterdisturbance(otherthanavessel’smainpropeller
andbow/sternthruster)thataffecttransducerreceptionare:
307531/C
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