Installation manual

Table Of Contents
SimradSH90
Bowup/180°Vertical
WhentheBowup/180°Verticalmodeisselected,theupperpart
ofthescreenshowsacurtailedBowuppresentation,whilethe
lowerpartshowsa180degreesVerticalslicepresentation.This
modeismainlyintendedfortrawlers,wheretheverticalview
actsasamultibeamechosounder.Thebearingofthevertical
slicecanbeselectedintheV erticalViewmenu.Y oucancontrol
theaudioline,anindicatorline,oryoucansetittobelocked
inforward,aftorathwartshipsposition.Asthecylindrical
transducerhasa“blindzone”straightdown,anechopresentation
inthisdirectionwillbelimitedtotwoapproximately60degrees
sectors.Toavoidthis“blindzone”,theverticalsliceismade
“tippable”,andbyselectinga-60degreestipangle(orless),
afull180degreescoverageisobtained.Thetipanglecanbe
adjustedfrom+10to-90degrees.Inadditiontotheread-outin
theTipmenubutton,theselectedtipangleisshownwithadotted
yellowlineinthetiltindicatorintheupperleftcorner.
Figure24’Bowup/180°vertical’displaymode
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