Raymarine LIGHTHOUSE 4 - AR200 Calibration (Linearization)

1.R ollcorrectiondisabled
2.Rollcorrectionenabled
26.9AR200Calibration(Linearization)
ToenableaccurateplacementofAugmentedReality(AR)flagsonthe
camera’svideofeed,theAR200’sAHRSsensorsneedtocompensatefor
localmagneticfields,aswellastheEarth’smagneticfields.
Calibrationisachievedusinganautomaticlinearizationprocess.The
linearizationprocessstartsautomaticallyafteryourvesselhasturned
approximately100°,whentravellingataspeedofbetween3to15knots.
Thelinearizationprocessrequiresnouserinput,howeveratleasta270°
turnisrequiredbeforelinearizationcanbecompleted.Thedurationofthe
linearizationprocesscanbedecreasedbycompletingafull360°turn,when
travellingataspeedofbetween3to15knots.Thelinearizationprocesscan
alsoberestartedatanytime.
IntheVideoapptheLinearizationprogressbarisdisplayedwhen
linearizationisinprogress.Thebarisfilledtoindicatecompleteness,andwill
turnRediftheprocessispausedorotherwiseinterrupted.
Thetimetakentocompletethelinearizationprocesswillvaryaccordingto
thecharacteristicsofthevessel,theAR200’sinstallationlocation,andthe
levelsofmagneticinterferencepresentatthetimelinearizationisperformed.
Magneticinterferencecanbecausedbyobjectsonboardyourvessel,such
as:
•Speakers
•Electronicequipment
•Electricalcabling
•Metalbulkheadorhull
Magneticinterferencecanalsobecausedbyexternalobjectsinclose
proximatelytoyourvessel,suchas:
•Metalhulledvessels
•Underwaterelectricalcables
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