Raymarine a68 WiFi Operation Instructions

5
th
Traditional
sonarvariant
multifunction
displays
Internal
6
th
CHIRP
DownVision
TM
variant
multifunction
display
Internal
7
th
CP100SeaTalk
hs
8
th
Instrument/
multifunction
display
SeaTalk
ng®
9
th
Instrument
SeaTalk
10
th
Instrument/
multifunction
display
NMEA0183
Ifmultiplesonarmodulesofthesamepriorityare
presentonaSeaTalk
hs
networkthentheunitwith
thehighestserialnumberwillbeselectedasthe
preferreddatasource.ForSeaTalk
ng®
andNMEA
0183networkstheunitwiththehighestCANaddress
isselected.
Ifthepreferreddepthdatasourcebecomes
unavailablethenthesystemwillautomaticallyselect
thenexthighestprioritydatasource.
RefertotheDataSourcemenusectionfordetailson
selectingpreferreddatasources.
Important:Adepthoffsetmustbesetforall
installedtransducerstoensureconsistentand
accuratedataisshown.RefertotheDepthOffset
sectionfordetails.
Note:SideVision
TM
cannotbeusedasasource
fordepthdata.
15.6Sonarcrosstalkinterference
Thereare2typesofpotentialsonarcrosstalk
interferenceinaRaymarinesonarsystem:
1.SideVisionsonarcrosstalkinterference
2.Multiplesonarcrosstalkinterference
Thetypesofcrosstalkinterferencethatyou
mayexperienceinyoursystemdependonthe
combinationandtypeofsonarequipmentinstalled,
andthewayinwhichtheequipmenthasbeen
installed.
SideVisionsonarcrosstalk
interference
Multiplesonarcrosstalk
interference
Duetothehighsensitivity
ofSideVisiontransducers,
youmayexperiencesome
minorcrosstalkinterference
betweentheleftandright
receivingchannelsinareas
ofstrongtargetreturns.
Examplesofstrongtarget
returnsincludesolidobjects
suchasunderwaterbridge
structure.Thisinterference
showsupintheFishnder
applicationassubtle
reectionsfromtheright
sonarimagedisplayedin
theleftsonarimage,orvice
versa.
Whenusingmultiplesonar
modulesandtransducers
operatinginoverlapping
frequencyranges,youmay
experiencesomecrosstalk
interferencebetweenthe
ranges.Thisinterferenceis
displayedintheFishnder
applicationasvertical“rain
drops”throughoutthewater
column.Thesevertical“rain
drops”indicatethat2sonar
modulesareoperatingin
closefrequencyproximityto
oneanother.
SideVisionsonarcrosstalkinterference
Crosstalkinterferenceisexpectedbehaviorinahigh
sensitivitydevicesuchasaSideVisiontransducer,
andisnotindicativeofafaultwithyourtransduceror
sonarmodule.
Reducingmultiplesonarcrosstalk
interference
Crosstalkinterferenceinsystemswithmultiplesonar
modulesandtransducersistheresultofanumber
offactors,includinginstallation,operation,and
environment.
•Chooseanequipmentcombinationthat
minimizesoverlappingfrequencies.Wherever
possible,choosetousesonarmodulesand
transducersthatoperateindifferentfrequency
ranges(“Channels”),forexampleCP100and
CP300sonarmodulesandCPT-100andB744V
transducers.Thiswillhelptoensurethateach
componentisoperatinginadistinctrelative
frequencyrange–forexample,a“high”frequency
rangefortheCP100anda“low”frequencyrange
fortheCP300.
•Onlyusethesonarchannelsthatyoureally
need.Althoughitispossibletorunmultiplesonar
Fishnderapplication
209

Raymarine a68 WiFi Specifications

General

Brand	Raymarine
Model	a68 WiFi
Category	Marine Equipment
Language	English