Zerotech YS-S4 - Compass alignment using Smartphone

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YS-S4 Multi-rotor Autopilot User Manual V1.4

20

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Step2

Select"HorizontalAlignment"inthedialogbox,andthenclick"OK"buttontostartlevelcalibration.Ifyoudon't

wanttokeepcalibratingselect"Cancel"andconfirm“OK”.

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Step3

Levelyouraircraftandcarefullyturnaroundhorizontallythreetimes.ENSUREthattheGREENLEDlightremains

ONduringthisprocedure.IfitturnsOFF,thatmeanstheaircraftisnothorizontal.Adjustthepositionuntilthe

GREENLEDisbackONandcontinuewiththerotation.

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Step4

Select"VerticalAlignment"inthedialogbox,andclick"OK"buttontostarttheverticalcalibration.Ifyoudon't

wanttokeeponcalibratingselect"Cancel"andconfirm“OK”. 

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Step5

Carefullyrotatetheaircraft3timesasshownbelow,alwayskeepingtheaircraftnosedown.EnsuretheGREEN

LEDremainsONthroughouttheturn.IftheLEDturnsOFF,adjustpositionuntiltheGREENLEDisbackON

and

continuewiththerotation