7.1Usercalibration
Thei60CHinstrumentdisplayisarepeaterdisplay
andassuchdoesnotrequirecalibration,thesteps
belowapplytothecalibrationofthei60Wind
instrumentonly.
Usercalibrationoptionsinclude:
•Windangleoffset—Assignsanoffsettothewind
anglereadings.
•UnitsforWindspeedreadings—Assignstheunit
ofmeasureusedforwindspeedrelatedreadings
AutomaticLinearization
Thewindtransducercanlinearizeitselfautomatically
undercertainconditions.
ForAutomaticLinearizationtobeperformedCAL
mustbeashingonthedigitaldisplay.CALis
displayedforapproximately30secondsafterpower
onunderthefollowingconditions:
•Atrstpoweron,afterinstallation
•Atpoweron,afterafactoryreset.
Toperformtheautomaticlinearizationthevesselwill
needtobeunderway,withsufcientspacetoturnin
largecirclesunhindered.Thewindspeedmustbe
sufcienttoholdthevanetowindwhilstthevesselis
turning.Thevesselmustbeturnedslowlythroughat
least2completecircles.
Thisprocedureautomaticallylinearizesthewind
vane.Asuccessfullinearizationisindicatedbythe
digitaldisplayashingandabuzzersoundingthree
beeps
AccessingtheUserCalibrationMenu
TheUserCalibrationMenucanbeaccessedby
followingthestepsbelow.
Duringnormaloperation:
1.PressandholdtheDisplayandTrue/App
buttonsatthesametimeforapproximately
2seconds,untiltheUserCalibrationpageis
displayed.
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Aligningthewindtransducer
FromtheUserCalibrationMenu:
1.PresstheDisplaybuttonuntiltheWindAngle
Offsetpageisdisplayed(1pressfromtheUser
Calibrationpage).
2.Sailyourvesseldirectlyintothewindandadjust
theanalogpointertozero,usingtheVMGand
Tackbuttons.
TheVMGbuttonwilldecreasethecurrentvalue
andtheT ackbuttonwillincreasethecurrent
value.Asyoudothis,thewindangleoffset
showstheamountofcorrectionyouhaveapplied.
3.ToexittheUserCalibrationMenuatanytime
pressandholdtheDisplayandTrue/App
buttonsatthesametimeforapproximately2
seconds.
Selectingtheunitofmeasureforwindspeed
readings
FromtheUserCalibrationMenu:
1.PresstheDisplaybuttonuntiltheWindSpeed
Unitspageisdisplayed(2pressesfromtheUser
Calibrationpage).
2.UsetheVMGorTackbuttonstoselectthe
requiredunitofmeasureforwindspeedreadings.
Theavailableunitsofmeasureforwindspeed
are:
•KTS(default)—Knots
•M/S—Meterspersecond
3.ToexittheUserCalibrationpagesatanytime
pressandholdtheDisplayandTrue/App
buttonsatthesametimeforapproximately2
seconds.
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