Simrad SU90 - Improving Fish Recognition with Receiver Filters; Receiver Filter Sequence Overview

SimradSU90
Mountingthehullunit
Hullunitorientationexamples
(CD015408-003)
BOW
Purpose
Thisprocedureexplainshow
tomountthehullunitontop
oftheinstallationtrunk.
Thehullunitshould
normallybeorientedwith
thehoisting/loweringmotor
pointingaft.Ifthisorientation
makestheMotorControlUnit
attachedtothehullunitdifcult
toaccessformaintenance
purposes,thehullunitmaybe
orientedinthemostsuitable
position.
Note
TheMotorControlUnitmust
neverbephysicallydismounted
fromtheHullUnit.
Relatedtopics
•Hullunitinstallationchecklistonpage76
Procedure
Tomakesurethattheprocedureisfollowedcorrectly,andintherightorder,tickoff
eachtaskafteryouhavedoneit.
1Useatackletolowerthehullunit(withthefoamedtransducerprotectioninplace)
intothesonarroom
[_____]Ok
2Removetheblindcoverfromthetrunk.
[_____]Ok
3Storetheblindcoverinthesonarroomforpossiblefutureuse.
[_____]Ok
4Checkthattherubbergasketisnotdamaged.
[_____]Ok
5Checkthatthetopsurfaceoftheinstallationtrunkisclean,andfreefromdamaging
particles.
[_____]Ok
6Verifythatthetopofthetrunkhasnotbeendamaged,itmustbesmoothandeven
withoutphysicalscratchesordents.
[_____]Ok
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