Raymarine RV-100 - Testing and Adjusting Transducer

5.
7Testingandadjustingthetransducer
Aftertheinitialinstallationhasbeencarriedout,thetransducershouldbe
testedand—ifrequired—adjustedpriortofinalizingtheinstallation.
Thetestingshouldbecarriedoutwithyourvesselinthewater,withadepth
greaterthan0.7m(2.3ft)butlessthanthemaximumdepthrangeofthe
transducer/sonarchannel.
Note:
•Itmaynotalwaysbepossibletoobtaindepthreadingsathigherspeeds,
duetoairbubblespassingunderthetransducer
.
•Itmaybenecessarytomakeseveraladjustmentstothetransducer
beforeobtainingoptimumperformance.
•Ifthetransducerrequiresrepositioning,ensurealloldholesarefilled
withmarinegradesealant.
1.OpentheFishfinder/SonarapponyourMFD ,andselectthe[SONAR]
optionfromthemenu.
Afterafewseconds,theseabottomshouldbevisibleonscreen,and
adepthreadingdisplayed.
2.Startmovingyourvesselatalowspeed,ensuringyouhaveadepth
readingandaclearimageisdisplayed.
3.Graduallyincreasethevesselspeedwhilstcheckingthesonarimage.If
theimagebecomespoororthebottomismissingatlowerspeeds,then
thetransducerneedstobeadjusted.
4.Angleandheightadjustmentsshouldbemadeinsmallincrementsand
re-testedeachtimeuntilyouobtainoptimumperformance.
i.Loosenthemountingbolttoadjustthetransducerangle.
Angleadjustment
ii.Loosenthe2mountingbracketscrewstoadjustthetransducerheight.
5.Re-tightenthemountingboltandmountingscrewsbeforere-testing.
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