Raymarine AR200 - AR200 Calibration (Linearization)

5.2AR200Calibration(Linearization)
T
oenableaccurateplacementofAugmentedReality(AR)flagsonthecamera’svideofeed,the
AR200’sAHRSsensorsneedtocompensateforlocalandtheEarth’smagneticfields.Thisis
achievedusinganautomaticlinearizationprocess.Thelinearizationprocessstartsautomatically
afteryourvesselhasturnedapproximately100°,whentravellingataspeedofbetween3to15knots.
Thelinearizationprocessrequiresnouserinput,howeveratleasta270°turnisrequiredbefore
linearizationcanbecompleted.Thedurationofthelinearizationprocesscanbedecreasedby
completingafull360°turn,whentravellingataspeedofbetween3to15knots.Thelinearization
processcanalsoberestartedatanytime.
IntheVideoapptheLinearizationprogressbarisdisplayedwhenlinearizationisinprogress,the
barwillfilltoindicatecompleteness,thebarwillturnR ediftheprocessispausedorotherwise
interrupted.
Thetimetakentocompletethelinearizationprocesswillvaryaccordingtothecharacteristicsofthe
vessel,theAR200’sinstallationlocationandthelevelsofmagneticinterferencepresentatthetime
linearizationisperformed.
Magneticinterferencecanbecausedbyobjectonboardyourvesselsuchas
•Speakers
•Electronicequipment
•Electricalcabling
•Metalbulkheadorhull
Magneticinterferencecanalsobecausedbyexternalobjectsincloseproximatelytoyourvessel,
suchas:
•Metalhulledvessels
•Underwaterelectricalcables
•Marinepontoons
Magneticdeviation
Magneticdeviationistheerrorinducedinacompasscausedbyinterferencefromlocalmagnetic
fields.
TheautomaticlinearizationprocessresultsinadeviationvaluebeingsetforyourAR200.If
AugmentedRealityflagsintheVideoapparenotalignedwiththeironscreenobjectsorthecompass
isoutofalignmentyoushouldchecktheAR200’scurrentcalibrationsettings.
AR200calibrationsettings
ThecalibrationsettingspageprovidesaccesstotheAR200’scompasscalibrationoptions.
TheAR200calibrationpagecanbeaccessedusingyourDatamasterMFD;fromtheHomescreen
select:
Settings>Network>Datasources>Heading>AR200>Calibrate.
S ystemchecksandtroubleshooting
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