Raymarine E70085 Dragonfly - Testing and Finishing Transducer Mounting

4.8Testingthetransducer
Oncetheinitialmountingprocedureshavebeencarriedout,the
transducermustbetestedpriortonishingthemounting.
Thetestingshouldbecarriedoutwithyourvesselinthewater,
withadepthgreaterthan0.7m(2.3ft)butlessthanthe
maximumdepthlimitofthesystem.
TheSonarapplicationwillbeabletomaintainreadingsatdepths
greaterthantheDownVisionapplication.
Note:Itmaynotalwaysbepossibletoobtaindepthreadings
athigherspeedsduetoairbubblespassingunderthe
transducer.
1.PressandholdthePowerbuttonuntilabeepisheard.
2.CompletetheStart-upwizardsettings.
3.UsetheViewswitchertoopenaviewwhichcontainsthe
SonarorDownVisionapplication.
Iftheunitisoperatingcorrectlythebottomshouldbevisible
on-screenandthedepthreadingdisplayed.
4.Startmovingyourvesselatalowspeedandensurethe
depthreadingandbottomareshownandthatyouhavea
clearimageon-screen.
5.Graduallyincreasethevesselspeeduptoyourusual
cruisingspeed,whilstcheckingthedisplayiftheimage
becomespoor,startsskippingormissingthebottomthenthe
transducerneedstobeadjusted.
6.Heightandangleadjustmentsshouldbemadeinsmall
increments,andre-testedeachtimeuntilyouobtainoptimum
performance.
7.Toadjusttheangleofthetransducerloosenthepivotbolt
approximately3turnsandthenpivotthetransducereither
upordown.
8.Re-tightenthepivotboltbeforere-testing.
9.Whenyouachieveoptimumperformanceatthedesired
vesselspeedsyoucannishthetransducermounting.
Note:Itmaybenecessarytomakeseveraladjustmentsto
thetransducerbeforeobtainingoptimumperformance.
4.9Finishingthetransducermounting
Onceyouhaveachievedoptimumperformanceatthedesired
vesselspeedsthetransducermustbelockedintopositionto
nishtheinstallation.
Note:Ifthetransducerrequiresrepositioningensureallold
holesarelledwithmarinegradesealant.
1.Loosenthekick-upadjustmentscrew.
2.Liftupthetransducerandbracketpivotarmtogainaccess
tothemountingholes.
3.Drillthelockingholelocationtakingcarenottodamagethe
mountingbracket.
4.Fillthelockingholewithmarinegradesealant.
5.Securethetransducerandbracketbyfullytighteningall3
mountingscrews.
6.Pushthetransducerandpivotarmdownuntilitclicksinto
position.
7.Re-tightenthekick-upadjustmentscrewtothedesiredlevel.
Note:TheKick-upadjustmentscrewneedstobetightenough
topreventkick-upduringhighspeedsbutlooseenoughto
enablethekick-upfeaturetoactivateifanobjecthitsthe
transducerwhenunderway.
Locationandmounting
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