AGR Installation and Operation Guide
nautic Laugic www.nauticlaugic.com
Page 8
Calibration
AcalibrationisrequiredtoaccuratelyconvertreportedGPSspeedsintoneedlepositions.Theprocedureissimpleandtakes
twominutes.Forbestresultsreadtheentireprocedurefirst.
1.
ConfirmtheGPSReceiverisunplugged.AndtheJumperwiresare
correctly
insertedinthePS2minicircular
connector.
2.
WiththetwoorangeTouchwiresinreach,viewtheSpeedometer’sfaceataclose-up.
3.
Power-upthegauge.
4.
AftertwosecondstheAGRwillenterCalibrationMode.Ifit’snottherealready,theneedlewillfallto5MPH.
5.
Theneedlewillslowlyincrease.Whentheneedlepointsexactlyat
TEN
[10]milesperhour,brieflycontactthetwo
TouchWire(exposed)ends.
6.
Theneedlewilljumptoapproach
FIFTEEN
[15]milesperhour.Againtheneedlewillcreepupwards.Whenitis
centeredonFIFTEEN,momentarilytouchthewires.Exceptionfor
UniversalModels:
Theneedlewillnot
jumpinUniversalmode…ratheritonlycreeps.UpontheLastCalstepcontact/holdthewirestogether,andcontinue
wirecontact(aboutfourseconds)untiltheneedlebeginstoretreat.
7.
Continuethejump,approach-centerandtouchroutinefor
20,25,30,35,40,
andon
uptofullscaleless5mph
.
8.
ONLY
aftertheconfirmation‘touch’atthelastcalibrationpointwilltheAGRcomputethecalibrationconstants.The
calibrationconstantsaresavedinnon-volatilememory.
9.
Theneedlewillresetandautomaticallyretracemostofthecalibrationsteps(over-and-over).Thefirstretracestep
willbenearTEN[10],andthelastatfullscaleminus5.Nointerventionisrequired…justobserve.
10.
Anaccurateretraceindicatesthecalibrationisvalid.Toredoorreplacethiscalibration,simplyturnthepoweroff,
wait10seconds,andbeginagainatstep3.
11.
YourCalibrationisdone.Turnthepoweroff.RemovetheJumperwires.
