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394149/D
Cablesandwiringrequirements
CorrectwiringiscrucialfortheoperationalperformanceoftheEK80.
Allcablesrunningbetweensystemcabinetslocatedindifferentroomsand/orondifferent
decksmustbesupportedandprotectedalongtheirentirelengthsusingconduitsand/or
cabletrays.Notethatthecablesmustnotbeinstalledinthevicinityofhigh-power
suppliesandcables,antennacablesorotherpossiblesourcesofinterference.
Alltransducercablesmustberuninsteelconduits.
Formoredetailedinformationaboutcablesandwiring,refertothebasiccable
requirements.
Relatedtopics
Installationrequirements,page37
SimradEK80,page13
Compassdeviationrequirements
EK80unitsthatareinstalledonthebridgemayhaveaneffectonthecompass.
Oncetheinstallationiscomplete,thevesselmustbeswungwiththeEK80inboth
operativeandinoperativemodes.Theshipownerandcaptainareresponsiblefor
updatingthecompassdeviationtableaccordinglywithregardtothevessel’snational
registryandcorrespondingmaritimeauthority.
Relatedtopics
Installationrequirements,page37
SimradEK80,page13
Noisesources
TheoperationalperformanceoftheEK80Widebandscienticechosounderdependson
thenoiseconditions.Itisessentialthatthenoisesignatureisaslowaspossible.
Vesselnoise
Thevessel’shull,rudder(s)andpropeller(s)mustbethoroughlyinspectedindrydock
priortoinstallation.
Roughnessbelowthewater-linedeformitiesintheshellplatingandprotrudingobstacles
cancreateunderwaternoise.Thesesourcesofturbulencemustbesmoothedorremoved
asbestaspossible.
Note
Itisespeciallyimportantthatthepropeller(s)arenotpittedordamaged.
SimradEK80InstallationManual