How To: Upload a Custom Tune to Your Predator or Trinity Manual

NOTESABOUTCUSTOMTUNES:
‐Ifyouhavetogobacktothedealerforanyreason,ORneedtoupdatethetool,makesureto
restoretheOriginalBackup,butbearinmindthatitwillwipethetool'smemoryofthecustom
tuneandtheCustomTunewillhavetobeuploadedontothePredatoragainwhenyougetyour
vehicleback.
‐IfyouselectOriginalBackup(underthePerformancemenu)asthetunetoinstallitwillclear
thetool'smemoryofanysavedCustomTunesanditscopyofyourvehicle'sstocktune(the
OriginalBackup),i.e."unmarrying"itfromyourcar.Aslongasthereisatunewrittentothe
vehicle,thetoolwillhaveacopyoftheOriginalBackup(theoriginalstocktune)storedinits
memory.Soinotherwords,unlessyouhavetogobacktothedealer,ORneedtoapplya
softwareupdatetothetool,youdon’treallyneedtorestoretheOriginalBackup.
‐WhentheDSDownloaderisaskingforthe'matchingoriginalbackup',itisaskingforthecopy
ofthestocktunethatyouuploaded,tocomparetotheCustomTune*.
*Forclarification(andifyou'reinterested),whattheDSDownloaderdoesistakestheCustom
Tune,comparesittotheOriginalBackup,writesadifferentialfiletothetool,andinstallsthat
differentialfiletothetuner.Thatfileiswhatthetoolwillhavestoredinitsmemorytoinstallon
yourvehicle'sECU.
‐Youcanswitchbackandforthbetweentunes(youcanusetheModifiedStocktuneifyouwant
thevehicletorunanddrivelikefactory)withthePredatoranditwillstaymarriedtotheECU
(andsavethecustomtune)
‐CustomstunescanbeerasedwithoutresettingthetoolundertheOptionsmenuofthe
PredatororTrinity
‐WARNING:DrivingavehicleequippedwithasuperchargerontheModifiedStockorOriginal
Backupfilewilldamageyourengine!
‐YoucanstillusetheModifyParametersselectiontomakeadjustmentstoacustomtune:
1.AllyouhavetodoisgounderPERFORMANCE/selectthetuneyouwantto
install/MODIFYTUNE/MODIFYPARAMETERS
2.Afterthechange(s)aremadereturntotheINSTALLTUNEmenuwiththe‘Esc’button
anditwillwritethetunewiththeadjustmentsmade.
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