10.3Usercalibration—i40Wind
Calibrationproceduresaredependantoninstrument
displayvariant.
Usercalibrationoptionsinclude:
•WindAngledisplayresponse—Dictatesthe
rateatwhichtheinstrumentdisplayrespondsto
changesinwindangledata.
•WindSpeeddisplayresponse—Dictatesthe
rateatwhichtheinstrumentdisplayrespondsto
changesinwindspeeddata.
•“Unitsforwindspeedreadings—Assignstheunit
ofmeasureusedforwindspeedrelatedreadings.
•Linearization—Performswindtransducer
linearization.
•Alignment—Alignswindtransducertovessel
heading.
Note:*Thesesettingsareonlyavailableonunits
whentheinstrumentstatussettoMaster(see
IntermediateCalibrationfordetailsofchangingthe
displaytobeMasterorRepeater).
Calibratingwind
Youwillneedtobeunderway,withsufcientspace
toturninalargeslowcircleunhindered.Conditions
shouldbecalm(i.e.aslightsea)andasteady
breeze.Trytoensurethevesselisnotrollingor
pitchingtoomuch.
Duringnormaloperation:
1.SimultaneouslypressandholdtheDownand
Actionbuttonsfor2secondstodisplaytheUser
Calibrationpage.
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15
20
25
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60
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2.PresstheActionbuttontodisplaythesetWind
AngleResponsepage.
3.UsetheUpandDownbuttonstoadjustthewind
angleresponsetotherequiredlevel.
Thedefaultlevelis12.Thelevelsavailableare1
to15withlevel1beingtheslowestupdaterate
andlevel15thequickest.
4.PresstheActionbuttontodisplaytheWind
SpeedResponsepage.
5.UsetheUpandDownbuttonstoadjustthewind
speedresponsetotherequiredlevel.
Thedefaultlevelis12.Thelevelsavailableare1
to15withlevel1beingtheslowestupdaterate
andlevel15thequickest.
6.PresstheActionbuttontodisplaytheWind
SpeedUnitspage.
7.UsetheUpandDownbuttonstoselectthe
requiredunitofmeasurementforwindspeed
readings.
Theunitsofmeasureavailableforwindspeed
readingsare:
•KTS—Knots(default)
•M/S—MetersPerSecond
8.PresstheActionbuttontodisplaytheLinearize
Transducerpage.
Note:If5pdisdisplayedonthelinearize
transducerpagethewindspeedisoutsideofthe
rangesuitableforlinearization.
9.Keepthevesselspeedbelow2ktsandbeginto
turnthevesselinacircle.
10.PresstheUpbuttontobeginlinearization.
11.Youwillberequiredtoperformaminimumof2
completecircles.
Analarmwillsounduponsuccessfulcompletion.
12.Sailthevesseldirectlyintothewind.
13.PresstheActionbuttontodisplaytheAlign
Transducerpage.
14.UsetheUpandDownbuttonstoadjustthevalue
untilthewindanglepointerissettozero.
15.T osaveyoursettingsandreturntonormal
operationfromanypage,simultaneouslypress
andholdtheDownandActionbuttonsfor2
seconds.
i40Wind59