User's Manual
2
●Theequipmenthasbeenstrictlytestedforqualitybeforedeliveryfromour
plant.However,thisequipmentmustnotbeusedindangeroussituations
orwheredamagemayresult.
●Aftertheoperationfinished,pleaseclosethecranemainpowersource,the
receiverpowersupply.
●Transmitterwhennotinuse,should
beplacedinasafeplacetoavoidthe
accidentaltouchingthebuttonsbymistake.
●Thecraneshouldbeequippedwithmainpowerrelay,limitswitchand
othersafetydevices.
●Don’tuseequipmentduringlighteningorhighelectricalinterference
conditions.
●Makesurethatthebatteriesareingoodcondition
andpowerforreceiveris
correct.
●Maintenanceshouldonlybedonewhilethecrane’smainpowerisoffto
preventelectricalshock.
●Thecontentsofthisman ualmaybeamendedbythemanufacturerwithout
notice.
●Themanufacturer mayintroducenewfunctionstotheequipmentas
necessary;therefore,thedescriptions
maychange.
2‐2Precautions
●Operatinginanindustrialfacilityisrelativelydangerous;therefor e,
operatormusthavetakentheadequatetrainingsinusingF21‐E2system.
●Thosewhooperatethemachineshouldbehealthyandhavegood
judgmentinregardtosafety.
●AlthoughtheF21‐E2transmitterisso
durableandresistantforthe
fluctuatingtemperature,itstillneedstotakecaretopreventitfromthe
severeimpactorpressure.
●Duringoperation,ifthepowersupplyofthetransmitter’sbatteriesis
insufficient,thetransmitterwillsendoutEMSsignalfirsttode‐energizeall
ofmotionrelaysinside
thereceivertostopcrane’smoving,andthenthe
LEDindicatorontransmitterwillflashinredconstantly.Atthismoment,
thebatteriesneedtobereplacedandalloftwobatteriesshouldbe
replacedatthesametime.
●Ifthesevereinterferenceoccurredtheequipmentshouldbestoppedat
once.
●Pleasetakethebatteriesoutwhentheequipmentwillnotbeusedfora
longtime.
●Makesure"ProceduresofEmergency"isfullyknownasfollowing.