Leetac Electronics Technology LEETACEZ250 FM Audio Transmitter User Manual E Z250 IM R08

Zhongshan Leetac Electronics Co., Ltd. FM Audio Transmitter E Z250 IM R08

Contents

Manual E-Z250

InstructionManualModel:E‐Z250 Wireless Hi-Frequency Headphones 
2PrecautionsCAUTIONRISKOFELECTRICSHOCKDONOTOPENThissymbolisintendedtoalertusertothepresenceofnon‐insulated“dangerousvoltage”withintheproduct’senclosurethatmaybeofsufficientmagnitudetoconstituteriskofelectricshocktopersons.RISKSOFELECTRICSHOCKDONOTOPENTHECOVER(ORBACK).NOUSERSERVICEABLEPARTSINSIDE.REFERSERVICINGTOQUALIFIEDSERVICEPERSONNEL.Thissymbolisintendedtoalertusertothepresenceofimportantoperatingandmaintenance(servicing)instructionsintheliteratureaccompanyingtheappliance.Danger:Thisisnotatoy.Keeptheunit&accessoriesoutofreachfromchildrenorpets.Therewillbeariskofswallow.Warning:Toreducetheriskoffireorelectricshock,donotexposethisappliancetorainormoisture.Caution:Keeptheunitawayfromanyinterferenceappliance,suchasmetalsandmagnet.Locations:Toreducetheriskofelectricshock,fireorinjury:1.Donotusetheunitinplacesthatareextremelyhot,cold,dustyorhumid.2.Donotplacetheunitunderthedirectsunlightnornearanyheatsourcessuchasopenflamesourcesandunitsthatproduceheat.3.Donotplaceanyobjectsthatarefilledwithliquids,suchasvases,ontheunit.4.Keeptheunitawayfromplaceswheretheunitmaybeexposedtodrippingorsplashing.5.Placetheunitonaflatandstableplace.ImportantSafetyInstructions1. Readthroughthemanualbeforeoperating.2. Heedtheinstructions.3. Followallinstructionsinthemanual.4. Keepthemanualforfuturereference.5. Donotblockanyventilationopenings.Donotimpedetheventilationopeningswithnewspapers,table‐cloths,curtainsorthelike.Leaveatleast5cmaroundtheunitforsufficientventilations.
36. Installtheunitinaccordancewiththemanufacturer’sinstructions.7. Cleanthecabinetwithasoftclothslightlymoistenedwithamilddetergentsolution.Donotusestrongsolventswhichmaycauseunpredictabledamagetotheunit.8. Beforeusingtheproductwiththeapprovedpoweradapterprovided,ensuretheelectricpowersupplyiscompatiblewiththevoltageratingoftheprovidedpoweradapter.9. UseONLYtheprovidedpoweradaptor.Neveruseotherpoweradaptorseveniftheyhavethesamespecificationsorrating.10. Protectthepowercordfrombeingwalkedonorpinched,particularlyatplugs,conveniencereceptaclesandthepointerswheretheyexistfromtheunit.11. Theelectricplugisusedasthedisconnectdevice.Thedisconnectdeviceshallremainreadilyoperable.12. Removethepoweradaptorfromtheelectricoutletiftheproductisnotinuseforalongtime.13. Ifitislightening,unplugthepoweradaptertopreventtheunitfromunnecessarydamages.14. Nevertrytodisassemblebatteries.Itwillbefataldangerousifyouheatthebatteriesorputbatteriesunderthedirectsunlight.15. Referallservicingtoqualifiedservicepersonnel.Servicingrequiredwhentheunitdoesnotoperatenormallyorhasbeendamagedinanywaysuchasthepoweradaptorisdamaged,liquidsspilledintotheunit,anyhardobjectfallenontheunit,theunithasbeendropped,theunithasbeenexposedtorainormoisture.16. Themarkinginformationislocatedatthebottomoftheunit.17. Attentionsshouldbedrawntotheenvironmentalaspectsofbatteriesdisposal.18. Usetheunitinmoderateclimates.Warnings:＊ Listeningtouncomfortablesoundlevelsforprolongedperiodscouldadverselyaffectyourhearing.＊ IfusingalineinputordirectpluginMUSTbefullyinsertedintothecorrectsocketandthevolumeturnedtothelowestlevelbeforeturningtheuniton.Failuretodosocanresultinhighsoundlevelsandcouldadverselyaffectyourhearing.＊ PleasemakesurethatthevolumeknobisinthefullyOFFposition.YouwillhearandfeelaclickwhentheknobisintheOFFposition.
4BatteryWarnings:*Dangerifbatteryisheatedorexposedtodirectsunlightorhightemperature(over80centidegrees).*Donotforcethebatterypackintothechargerorheadphone.Itfitseasilywheninthecorrectorientation.*Donotshortcircuitthebattery.*Neverdisassembleorreconstructbattery.*Donotexposethebatterytowateroranyliquids.*Disposalofbatteryifitisbroken,leakedordeformed.*Chargethebatteryasperinstructions.
5Locationsandcontrols
6Headset1.Headsetplugs&earbuds2.Headsetcradles:Thecradlesareadjustableatasettledanglerange.Youcansettheheadsetplugsatacertainwidthbyadjustingtheangle.Donotforce‐itmaydamagetheheadset.3.Underchinheadset4.Channelindicator:Indicatetheoperatingstatusoftheheadset.FastflashwhentheheadsetissearchingforanidleFMfrequency;FlashslowlytoindicatethereceiverisgoingtoholdanidleFMfrequency.OncethedesiredFMfrequencyhasbeenfound,theindicatorwilllightconstantly.5.Batterypack:Takethebatterypackfromthepackingandinsertitintothebottomsideoftheunderchinheadset.6.Search:Presstosearchthesignalsentfromthetransmitter.7.Volumecontrol:Turnthesoundonandoffandadjustthevolumelevel.8.Balanceknob:Adjustthesoundbalanceofleftandrightchannel.9.ToneRightknob:Adjustthetoneofrightearphone.10.ToneLeftknob:Adjustthetoneofleftearphone.Transmitter11.Channelindicator:Indicatetheoperatingstatusofthetransmitter.FlashwhenthetransmitterissearchingforanidleFMfrequency.OncethedesiredFMfrequencyhasbeenfound,theindicatorwilllightconstantly.12.Charge2indicator(middle):Indicatethebatterypackinsidetheheadset.Lightconstantlyduringthechargingprocess;lightoffifthebatterypackisfullychargedornobatterypackinside.13.Transmitter14.Sidebatterychargeslot:Dockandchargetheextrabatterypack.15.Charge1indicator(side):Indicatethebatterypackatthesideofthetransmitter.Lightconstantlyduringthechargingprocess;lightoffifthebatterypackisfullychargedornobatterypackinside.16.Headsetdock:Chargethebatterypackinsidetheheadsetduringdocking.17.Search:PresstosearchanidleFMfrequency.18.DCINjack:ConnecttheAC/DCadaptortothejack.19.Audioswitch[MONO/STEREO]:Switchbetweenstereoandmonooperation. 20.AUDIOINsocket:Connectsthe3.5mmaudioinputjackofthetransmittertoyourTVsetbyusingthe3.5mmplugcable.21.AUDIOINsockets[RCA]:ConnectstheRCAaudioinputjackofthetransmittertoyour
7TVsetbyusingtheRCAto3.5mmplugaudiocablecordsupplied.PreparationsCAUTION:Thevalidoperationrangebetweentheheadsetandtransmitteris5minopenarea.1.Getconnected.ConnectthetransmittertoyourTVsetbytheprovidedaudiocable,makesurethatthecolorofRCAplugsarematchedthecolorofsocket.Tips:ItisconvenienttoplacethetransmitternearyourTVset.2.FullyextendtheDCcord,andkeeptheDCcordlievertically(upordown),astheDCcordactsasasignaltransmissionantenna.3.Takethebatterypacksfromthepackingtheninsertoneofthebatterypackintotheheadsetbase,withtheengravedsymbolsidefacingupward.NOTE:ThebatterypackcarriesalittlepoweranditisadequateforsearchinganidleFMfrequency.However,itisbettertochargethebatterypackatleast 8hoursbeforefirstuse.(Fordetailedinformationofchargingthebatterypack,pleasereferto“Chargingthebatterypack”.)
84.Docktheheadsettothetransmitterandbatterypackinsidetheheadsetwillbechargedautomaticallyoncethetransmitterispoweredon.NOTE:TheCharge2indicatesthebatterylevel.TheCharge2indicatorwillgooutifthebatteryoftheheadsetisfullycharged,otherwiseitlightsupconstantlyandchargingisinprogress.5.ConnecttheAC/DCadaptortotheDCINjackatthebackofthetransmitterandtotheelectricoutlet.Thetransmitterispoweredon.Gettingstarted1.TurnonyourTVsetandadjusttoacomfortablevolumelevel.NOTE:NevermutetheTVsoundasitcouldcausenosoundontheheadset.2.Usethevolumecontroltoturntheheadsetonanda“click”willbeheard.Turnthevolumecontroltosetthevolumeleveltothelowestlevel.3.Putontheheadsetandadjusttheheadsetcradlestoacomfortablewidth.NOTE:Thereare3differentsizesofearbudsprovided(oneisequippedwiththeheadset,theothersareinthepacking),tofitfordifferentuser.Pleaserefertothe“Changetheearbuds”.4.Re‐adjustthevolumeontheheadsettoacomfortablelevel.5.Useapenny(notincluded)tosetthesoundtomeetyourpreferencewiththebalanceknobandthetoneknobs(leftandright)thataredesignedonthebackoftheheadset.6.Ifyoufindthesoundisnotclear,settheaudioswitchto“MONO”.TIPS:Ifyoufindnosoundsfromtheheadset,ortheChannelindicatorontheheadsetisflashingforawhilethenlightsoff,itindicatesthatre‐pairwillbeneeded.Togetdetailedinformationpleasereferto“PairtheFMfrequency”.7.Afteruse,turnofftheheadsetwiththeVolumecontrolanddockittothetransmitter.PairtheFMfrequencyThetransmitterandheadsetarepre‐paired.Ifyoufindnosoundsfromtheheadset,ortheChannelindicatorontheheadsetisflashingforawhilethenlightsoff,itindicatesthatre‐pairwillbeneeded.•Checkifyouaretoofarawayfromthetransmitter.Theoperatingdistancebetweentheheadsetandthetransmitteris5meters.SOLUTION:Moveclosertothetransmitter.•TheheadsetmaynotfindanidleFMfrequency.
9SOLUTION:PresstheSearchbuttonontheheadsettore‐pairtothetransmitter.Ifallabovesolutionsdonotwork,youmayneedtofindanotheridleFMfrequencyasperinstructionsbelow:1.Alwaysdocktheheadsetonthetransmitter.2.PresstheSearchbuttononthetransmitter.ThetransmitterwillsearchanidleFMfrequencyforsignaltransmission.Channelindicatorisflashingduringsearchingprocess.OnceadesiredFMfrequencyhasbeenfound,theindicatorlightsconstantlyandthenthetransmitterwillsendoutasignal.3.TurntheVolumecontroltosettheheadsetON.4.PresstheSearchbuttonontheheadset.Theheadsetwillsearchthesignalthatwassentfromthetransmitter.Channelindicatorontheheadsetstartstoflash,indicatingthesearchingprocess.Oncethesignalhasbeenfound,theindicatorwilllightconstantly.NOTE:IftheChannelindicatorontheheadsetkeepsflashingforalongtime,changeanotheridleFMfrequencywithsteps2,3&4.5.Whenthepairiscomplete,youcanenjoyyourTV.ChargingthebatterypackThebatterypackscarryalittlepowerduringshipping.Chargethebatterypacksatleast8hoursbeforefirstuse,aslowbatterylevelmayleadtounsatisfiedsoundsuchasdistorted.Itisrecommendedtodocktheheadsettothetransmitterafteruse.NOTE:•Batterypack,whichisalreadyinsertedtothetransmitter,willbechargedtofullcapacityoncethetransmitterison.•Thebatterypackcontainsprotectioncircuittoavoidoverchargingandhelptosavebatterylife.Whenthebatterypackisinsertedtothepower‐ontransmitter,thetransmitterwilldetectthebatterylevelandactivatethechargingfunction.•Docktheheadsettothetransmitterandacombinationsoundwillbeheard.Thebatterypackwillbechargedoncethetransmitterispoweredon.•Tochargetheextrabatterypack,insertsittothesidebatterychargeslotwiththeengravedsymbolsidefacingdownward.Thebatterypackwillbechargedoncethetransmitterispoweredon.
10•TheChargeLEDsindicatethechargingstatus.Itlightsconstantlyduringthechargingprocess.Ifnobatterypackinsideorthebatterypackhasbeenfullycharged,theChargeLEDwilllightoff.BatteryPrecautions:Usebatterypackasrecommendedbythemanufacturer,usebatterypackotherthanrecommendedwillincreaserisksofdanger.ReplacethedrainedbatterypackIfyoufinddistortedsound,thebatterylevelmaybelow,docktheheadsettochargethebatterypackor,ifyouwanttousetheheadsetcontinuously,youneedtoreplacethebatterypack.ChangetheearbudsThereare3sizesofearbudsincludedtheproduct,small,mediumandlargesize.Small MediumLarge1.Taketheextrabatterypackoutfromthetransmitter.2.Griptheedgeandpulloutthebatterypackfromthebottomoftheunderchinheadset.Taketheextrabatterypackoutifitisinsertedtothesideofthetransmitter.3.Inserttheextrabatterypackintotheunderchinheadset.Makesurethebatterypackisinstalledordockedproperly.
11•Takeofftheearbudsfromtheheadset.•Taketheearbudsfromthepackingandselectasuitableearbudsize.•Inserttheearbudstotheheadset.SpecificationsHeadsetpowersupply:1xLi‐ionbatterypackTransmitterpowersupply:ACadapter:input120V~60Hz,output7.5Vdc200mAPowerConsumption:3WFMFrequencyRange:88-108MHzS/Nratio:45dBOperationRange:5minopenareaAccessories:AC/DCadapter3.5mm‐to‐RCAAudiocable2xLi‐ionbatterypack3pairsofearbuds(small,mediumandlargesize,oneisequippedontheheadsetandtheothersareinthepacking.)
12TroubleshootingProblemPossibleCauseSolutionNotworkingand/ornosound.ConnectionsbetweentheAudiosocketsontheTVandthetransmittermaybeloose.Checkallconnections.Youmaybeoutoftheoperatingrangeofthetransmitter.Moveclosertothetransmittertokeepthedistancewithin5meters.Batterypackislow.Recharge/Replacethebatterypack.Noreception.TheDCcordofACadapteriscoiled,orliesflat.KeeptheDCcordfullyextendandlievertically(upordown).Soundisnotveryclearand/ordistorted.Someinterferedapplianceisusingnearby.Turnofftheinterferedappliance.Poorreception.TurnyourselftoanotherdirectionorsettheaudioswitchtoMono.TheChannelindicatorlightsoffafterflashingforawhile.Itistobedesignatedtohelpsavepowerconsumption.PresstheSearchbuttontopairanidleFMfrequencyandtheindicatorwilllightagain.
13FCC/ICES‐003STATEMENTWarning:Changesormodificationstothisunitnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuserauthoritytooperatetheequipment.NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneofthefollowingmeasures:‐  Reorientorrelocatethereceivingantenna.‐  Increasetheseparationbetweentheequipmentandreceiver.‐  Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.‐  Consultthedealeroranexperiencedradio/TVtechnicianforhelp.ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.Anychangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser'sauthoritytooperatethisequipment.INDUSTRYCANADAThisdevicecomplieswithIndustryCanadalicence‐exemptRSSstandard(s).Operationissubjecttothefollowingtwoconditions:(1)thisdevicemaynotcauseinterference,and(2)thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthedevice.UnderIndustryCanadaregulations,thisradiotransmittermayonlyoperateusinganantennaofatypeandmaximum(orlesser)gainapprovedforthetransmitterbyIndustryCanada.Toreducepotentialradio
14interferencetootherusers,theantennatypeanditsgainshouldbesochosenthattheequivalentisotropicallyradiatedpower(e.i.r.p.)isnotmorethanthatnecessaryforsuccessfulcommunication.Conformémentàlaréglementationd'IndustrieCanada,leprésentémetteurradiopeutfonctionneravecuneantenned'untypeetd'ungainmaximal(ouinférieur)approuvépourl'émetteurparIndustrieCanada.Danslebutderéduirelesrisquesdebrouillageradioélectriqueàl'intentiondesautresutilisateurs,ilfautchoisirletyped'antenneetsongaindesortequelapuissanceisotroperayonnéeéquivalente(p.i.r.e.)nedépassepasl'intensiténécessaireàl'établissementd'unecommunicationsatisfaisante.LeprésentappareilestconformeauxCNRd'IndustrieCanadaapplicablesauxappareilsradioexemptsdelicence.L'exploitationestautoriséeauxdeuxconditionssuivantes:(1)l'appareilnedoitpasproduiredebrouillage,et(2)l'utilisateurdel'appareildoitacceptertoutbrouillageradioélectriquesubi,mêmesilebrouillageestsusceptibled'encompromettrelefonctionnement.CALIFORNIAPROP65WARNING"WARNING"ThisproductcontainsachemicalsknowntotheStateofCaliforniatocausebirthdefectsorOtherreproductiveharm.Formoreinformationontheseregulationsandalistofchemicals,logontheFollowingwebsiteaddress:http://www.oehha.ca.gov/prop65.htmlManufacturer: Zhongshan Leetac Electronics Co., Ltd. Address: No.3 Industrial Estate, South District, Zhongshan City, Guangdong province, P.R.China. 

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