Raymarine LIGHTHOUSE 4 - Sonar Module Range; Sonar Minimum Depths; Fishfinder App Overview

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.2Sonarmodulerange
RangecapabilitiesofRaymarinetransducers/sonarchannelsareshown
below.
T
ransducer/sonarchannel
Range
R
ealVision™3D(3DVision)0.6m(2ft)to91m(300ft)
Side
Vision™
0.6m(2ft)to91m(300ft)
eachside
DownVision™
0.6m(2ft)to183m(600ft)
CHIRPsonarchannel(whenusing
R ealVision™3D,SideVision™orDownVision™
transducers
0.6m(2ft)to274m(900ft)
CHIRPsonarchannel(whenusing
RealVision™Max3Dtransducer.
0.6m(2ft)to366m(1,200ft)
T raditional600Wsonar
0.9m(3ft)to914m(3,000ft)
CHIRP1kWsonar
0.9m(3ft)to914m(3,000ft)
T raditional1kWsonar
0.9m(3ft)to1,524m
(5,000ft)
CHIRP2kWsonar
0.6m(2ft)to3,048m
(10,000ft)
Note:
S tatedrangesareforoptimumconditionsandaredependentupon
connectedtransducer.
Sonarminimumdepths
Accuratebottomtrackingcanbeunreliableindepthsshallowerthan
0
.8m/2.62ft.Whenoperatingatorbelowthisdepthbecautiousof
misleadingsonarreturns,falsebottomtrackingandincorrectdepthreadings
TheMinimumsonardepthalarmistriggeredwhenyourvesselreachesoris
inwatershallowerthanthisdepth.
BelowareexamplesoftheSonarappwhenitistrackingafalsebottomin
shallowwaters.
1.Examplesofincorrectdepthreadingsduetofalsebottomtracking.
2.Actualbottomtrackingandwaterdepth.
3.Falsebottomtrackingprovidingfalsedepthreadings.
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.3Fishfinderappoverview
TheFishfinderappdisplaysavisualizationoftheechoesreceivedfrom
aSonarmoduleandtransducer.TheFishfinderappiscompatiblewith
Traditional,CHIRP,DownVision™,SideVision™andRealVision™3Dsonar
modulesandtransducers.TheFishfinderappbuildsanunderwaterviewof
bottomstructureandtargetsinthewatercolumn.
MultipleSonarmodulescanbeconnectedatthesametime.Sonarmodules
canbeinternal(built-intoyourMFD)orexternal(aseparateboxonyour
network).
ForeachinstanceoftheFishfinderappyoucanselectwhichSonarmodule
andchannelthatyouwanttouse,theSonarmoduleandchannelselection
willpersistoverapowercycle.
TheFishfinderappcanbedisplayedinbothFullscreenandsplitscreenapp
pages.Apppagesmayconsistofupto4instancesoftheFishfinderapp.
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