Raymarine E70532 - Sonar Minimum Depths; Fishfinder App Overview

Sonarmodule/sonarchannel
MinimumdepthMaximumdepth
R
ealVision™3D
0.6m(2ft)91m(300ft)
Side
Vision™
0.6m(2ft)each
side
91m(300ft)each
side
Down
Vision™
0.6m(2ft)183m(600ft)
Hyper
Vision™(RealVision™3D,
SideVision™orDownVision™)
0.6m(2ft)38m(125ft)
CHIRPsonarchannel(whenusing
R
ealVision™3D,SideVision™or
DownVision™transducers
0.6m(2ft)274m(900ft)
Sonarminimumdepths
Accuratebottomtrackingcanbeunreliableindepthsshallowerthan
0
.8m/2.62ft.Whenoperatingatorbelowthisdepthbecautiousof
misleadingsonarreturns,falsebottomtrackingandincorrectdepthreadings
TheMinimumsonardepthalarmistriggeredwhenyourvesselreachesoris
inwatershallowerthanthisdepth.
BelowareexamplesoftheSonarappwhenitistrackingafalsebottomin
shallowwaters.
1.Examplesofincorrectdepthreadingsduetofalsebottomtracking.
2.Actualbottomtrackingandwaterdepth.
3.Falsebottomtrackingprovidingfalsedepthreadings.
8.3Fishfinderappoverview
TheFishfinderappdisplaysavisualizationoftheechoesreceivedfromthe
transducerconnectedtoyourdisplayandbuildsanunderwaterscrollingview
ofbottomstructureandtargetsthatpassunderyourtransducer
.Fishfinder
channelsareavailablethatrepresentthedifferentsonartechnologiesthat
areavailabledependingonyourdisplayvariantandconnectedtransducer.
Example—ElementHVdisplay
Fishfinderapp
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