Theferrite(s)shouldberatedtobeeffectiveinthe
range100MHzto2.5GHz,andshouldbettedto
thepowercableandanyothercablesexitingthe
EMI-emittingdevice,ascloseaspossibletothe
positionwherethecableexitsthedevice.
Compasssafedistance
Topreventpotentialinterferencewiththevessel's
magneticcompasses,ensureanadequatedistance
ismaintainedfromtheproduct.
Whenchoosingasuitablelocationfortheproduct
youshouldaimtomaintainthemaximumpossible
distancefromanycompasses.Typicallythisdistance
shouldbeatleast1m(3ft)inalldirections.However
forsomesmallervesselsitmaynotbepossibleto
locatetheproductthisfarawayfromacompass.In
thissituation,whenchoosingtheinstallationlocation
foryourproduct,ensurethatthecompassisnot
affectedbytheproductwhenitisinapoweredstate.
EMCinstallationguidelines
Raymarineequipmentandaccessoriesconformto
theappropriateElectromagneticCompatibility(EMC)
regulations,tominimizeelectromagneticinterference
betweenequipmentandminimizetheeffectsuch
interferencecouldhaveontheperformanceofyour
system
CorrectinstallationisrequiredtoensurethatEMC
performanceisnotcompromised.
Note:InareasofextremeEMCinterference,
someslightinterferencemaybenoticedonthe
product.Wherethisoccurstheproductandthe
sourceoftheinterferenceshouldbeseparatedby
agreaterdistance.
ForoptimumEMCperformancewerecommend
thatwhereverpossible:
•Raymarineequipmentandcablesconnectedto
itare:
–Atleast1m(3ft)fromanyequipmenttransmitting
orcablescarryingradiosignalse.g.VHFradios,
cablesandantennas.InthecaseofSSBradios,
thedistanceshouldbeincreasedto7ft(2m).
–Morethan2m(7ft)fromthepathofaradar
beam.Aradarbeamcannormallybeassumed
tospread20degreesaboveandbelowthe
radiatingelement.
•Theproductissuppliedfromaseparatebattery
fromthatusedforenginestart.Thisisimportantto
preventerraticbehavioranddatalosswhichcan
occuriftheenginestartdoesnothaveaseparate
battery.
•Raymarinespeciedcablesareused.
•Cablesarenotcutorextended,unlessdoingsois
detailedintheinstallationmanual.
Note:Whereconstraintsontheinstallation
preventanyoftheaboverecommendations,
alwaysensurethemaximumpossibleseparation
betweendifferentitemsofelectricalequipment,to
providethebestconditionsforEMCperformance
throughouttheinstallation
Planningtheinstallation
3.7Productdimensions