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The3‐in‐1controlunitisequippedwitha‘PROPORTIONAL’mixtrimmerpotthatadjuststhe
amountof‘mixing’betweenthemotors.Thisallowsyoutofine‐tunetheruddertrim/sub‐
trimtohelppreventthenoseofthehelicopterfromdriftingtotheleftorrightwhenin
hover
andwhenclimbing/descending.
NOTE:AllRTFandRFRversionEvolve300CXhelicoptersaretest‐flownatthefactory.And
duringeachtestflighttheposition/settingfortheproportionalmixtrimmerpotistypically
adjustedtoprovideverygoodtrimandperformanceoverall.Thisinmindwestrongly
recommendthatifyoudecideto
adjusttheposition/settingofthepotthatyouuseasuitable
marker,paint,etc.tomarkthepositionitwasadjustedtoatthefactorybeforeproceeding
(thatwayyoucanquicklyandeasilyreturntothefactorysettingifneeded).
Establishastablehoverand,withtheruddertrimlever‘centered’andnorudder
controlinput,checktoseeifthenoseofthehelicopterisdriftinginonedirectionor
theother.Ifthenoseofthehelicopterisdriftingtotheleft,turntheproportionalmix
trimmerpotclockwise
(+)asneededtominimize/eliminatethedrifting.
Ifthenoseofthehelicopterisdriftingtotheright,turntheproportionalmixtrimmer
potcounterclockwise(‐)asneededtominimize/eliminatethedrifting.
IMPORTANTNOTE:YoumustalwaysdisconnecttheLiPoflightbatteryfromthe3‐in‐1
controlunitbeforemakinganyadjustmentstotheproportionalmixtrimmerpot.Any
changesintheposition/settingofthepotwillnottakeeffectuntilthenexttimethecontrol
unitispoweredon/initialized.
Pro
ortional Mix Trimmer Pot