Setup and Advanced Tuning Guide Manual

2202SouthRiversideDrive,Ames,IA50010
Phone:515‐232‐5363Internet:http://www.agleader.com
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25‐Jun‐10‐RevE
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15
ThehigherHeadingTuningisset,thelouderHeadingtalkstoSteeringandthetighterittriestokeep
thetractor’sheadingtolerance.LoweringHeadingTuninglowersthevolumeatwhichHeadingtalks
toSteeringandloosensthetractor’sheadingtolerance.HeadingTuningshouldbesetashighas
possiblesothatthetractordoesnotoscillateorwanderacrosstheABLine.
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Seefigure9foranexampleofthedesiredbehavior.Thevehiclebehaviorandthetuninggraph
informationshouldbeusedtodeterminewhethertoincreaseordecreaseaparametersvalue.
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•Heading’sSimpleAnalogy:TheHeadingTuningsettingcouldbeviewedasthevolumeatwhich
HeadingspeakstoSteering.
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‐TooHigh:IfHeadingspeaks“tooloudly”toSteering,SteeringoverrespondstoHeading’s
commandsandthetractoroscillatesacrosstheABLine.HeadingTuningissettoohighandshould
belowered.
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‐Ideal:IfHeadingspeaksatthe“idealvolume”toSteering,Steeringrespondsjustrightto
Heading’scommands,andthetractordoesnotoscillateorwanderacrosstheABLine.Heading
Tuningissetcorrectly.
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‐TooLow:IfHeadingspeaks“toosoftly”toSteering,Steeringisnotresponsiveenoughto
Heading’scommandandthetractorwandersacrosstheABLine.HeadingTuningissettoolow
andshouldbeincreased.
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