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
- 1. Manual E-Z250
- 2. Manual ITGSH-300
Manual E-Z250
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InstructionManual
Model:E‐Z250
Wireless Hi-Frequency Headphones
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Precautions
CAUTION
RISKOFELECTRICSHOCK
DONOTOPEN
Thissymbolisintendedto
alertusertothepresenceof
non‐insulated“dangerous
voltage”withinthe
product’senclosurethat
maybeofsufficient
magnitudetoconstituterisk
ofelectricshocktopersons.
RISKSOFELECTRICSHOCK
DONOTOPENTHECOVER
(ORBACK).NOUSER
SERVICEABLEPARTSINSIDE.
REFERSERVICINGTO
QUALIFIEDSERVICE
PERSONNEL.
Thissymbolisintendedto
alertusertothepresenceof
importantoperatingand
maintenance(servicing)
instructionsintheliterature
accompanyingthe
appliance.
Danger:Thisisnotatoy.Keeptheunit&accessoriesoutofreachfromchildrenorpets.
Therewillbeariskofswallow.
Warning:Toreducetheriskoffireorelectricshock,donotexposethisappliancetorainor
moisture.
Caution:Keeptheunitawayfromanyinterferenceappliance,suchasmetalsandmagnet.
Locations:Toreducetheriskofelectricshock,fireorinjury:
1.Donotusetheunitinplacesthatareextremelyhot,cold,dustyorhumid.
2.Donotplacetheunitunderthedirectsunlightnornearanyheatsourcessuchasopen
flamesourcesandunitsthatproduceheat.
3.Donotplaceanyobjectsthatarefilledwithliquids,suchasvases,ontheunit.
4.Keeptheunitawayfromplaceswheretheunitmaybeexposedtodrippingor
splashing.
5.Placetheunitonaflatandstableplace.
ImportantSafetyInstructions
1. Readthroughthemanualbeforeoperating.
2. Heedtheinstructions.
3. Followallinstructionsinthemanual.
4. Keepthemanualforfuturereference.
5. Donotblockanyventilationopenings.Donotimpedetheventilationopeningswith
newspapers,table‐cloths,curtainsorthelike.Leaveatleast5cmaroundtheunitfor
sufficientventilations.
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6. Installtheunitinaccordancewiththemanufacturer’sinstructions.
7. Cleanthecabinetwithasoftclothslightlymoistenedwithamilddetergentsolution.Do
notusestrongsolventswhichmaycauseunpredictabledamagetotheunit.
8. Beforeusingtheproductwiththeapprovedpoweradapterprovided,ensurethe
electricpowersupplyiscompatiblewiththevoltageratingoftheprovidedpower
adapter.
9. UseONLYtheprovidedpoweradaptor.Neveruseotherpoweradaptorsevenifthey
havethesamespecificationsorrating.
10. Protectthepowercordfrombeingwalkedonorpinched,particularlyatplugs,
conveniencereceptaclesandthepointerswheretheyexistfromtheunit.
11. Theelectricplugisusedasthedisconnectdevice.Thedisconnectdeviceshallremain
readilyoperable.
12. Removethepoweradaptorfromtheelectricoutletiftheproductisnotinuseforalong
time.
13. Ifitislightening,unplugthepoweradaptertopreventtheunitfromunnecessary
damages.
14. Nevertrytodisassemblebatteries.Itwillbefataldangerousifyouheatthebatteriesor
putbatteriesunderthedirectsunlight.
15. Referallservicingtoqualifiedservicepersonnel.Servicingrequiredwhentheunitdoes
notoperatenormallyorhasbeendamagedinanywaysuchasthepoweradaptoris
damaged,liquidsspilledintotheunit,anyhardobjectfallenontheunit,theunithas
beendropped,theunithasbeenexposedtorainormoisture.
16. Themarkinginformationislocatedatthebottomoftheunit.
17. Attentionsshouldbedrawntotheenvironmentalaspectsofbatteriesdisposal.
18. Usetheunitinmoderateclimates.
Warnings:
* Listeningtouncomfortablesoundlevelsforprolongedperiodscouldadverselyaffect
yourhearing.
* IfusingalineinputordirectpluginMUSTbefullyinsertedintothecorrectsocketand
thevolumeturnedtothelowestlevelbeforeturningtheuniton.Failuretodosocan
resultinhighsoundlevelsandcouldadverselyaffectyourhearing.
* PleasemakesurethatthevolumeknobisinthefullyOFFposition.Youwillhearand
feelaclickwhentheknobisintheOFFposition.
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BatteryWarnings:
*Dangerifbatteryisheatedorexposedtodirectsunlightorhightemperature(over80
centidegrees).
*Donotforcethebatterypackintothechargerorheadphone.Itfitseasilywheninthe
correctorientation.
*Donotshortcircuitthebattery.
*Neverdisassembleorreconstructbattery.
*Donotexposethebatterytowateroranyliquids.
*Disposalofbatteryifitisbroken,leakedordeformed.
*Chargethebatteryasperinstructions.
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Locationsandcontrols
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Headset
1.Headsetplugs&earbuds
2.Headsetcradles:Thecradlesareadjustableatasettledanglerange.Youcansetthe
headsetplugsatacertainwidthbyadjustingtheangle.Donotforce‐itmaydamage
theheadset.
3.Underchinheadset
4.Channelindicator:Indicatetheoperatingstatusoftheheadset.Fastflashwhenthe
headsetissearchingforanidleFMfrequency;Flashslowlytoindicatethereceiveris
goingtoholdanidleFMfrequency.OncethedesiredFMfrequencyhasbeenfound,
theindicatorwilllightconstantly.
5.Batterypack:Takethebatterypackfromthepackingandinsertitintothebottomside
oftheunderchinheadset.
6.Search:Presstosearchthesignalsentfromthetransmitter.
7.Volumecontrol:Turnthesoundonandoffandadjustthevolumelevel.
8.Balanceknob:Adjustthesoundbalanceofleftandrightchannel.
9.ToneRightknob:Adjustthetoneofrightearphone.
10.ToneLeftknob:Adjustthetoneofleftearphone.
Transmitter
11.Channelindicator:Indicatetheoperatingstatusofthetransmitter.Flashwhenthe
transmitterissearchingforanidleFMfrequency.OncethedesiredFMfrequencyhas
beenfound,theindicatorwilllightconstantly.
12.Charge2indicator(middle):Indicatethebatterypackinsidetheheadset.Light
constantlyduringthechargingprocess;lightoffifthebatterypackisfullychargedorno
batterypackinside.
13.Transmitter
14.Sidebatterychargeslot:Dockandchargetheextrabatterypack.
15.Charge1indicator(side):Indicatethebatterypackatthesideofthetransmitter.Light
constantlyduringthechargingprocess;lightoffifthebatterypackisfullychargedorno
batterypackinside.
16.Headsetdock:Chargethebatterypackinsidetheheadsetduringdocking.
17.Search:PresstosearchanidleFMfrequency.
18.DCINjack:ConnecttheAC/DCadaptortothejack.
19.Audioswitch[MONO/STEREO]:Switchbetweenstereoandmonooperation.
20.AUDIOINsocket:Connectsthe3.5mmaudioinputjackofthetransmittertoyourTVset
byusingthe3.5mmplugcable.
21.AUDIOINsockets[RCA]:ConnectstheRCAaudioinputjackofthetransmittertoyour
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TVsetbyusingtheRCAto3.5mmplugaudiocablecordsupplied.
Preparations
CAUTION:
Thevalidoperationrangebetweentheheadsetand
transmitteris5minopenarea.
1.Getconnected.ConnectthetransmittertoyourTVsetbytheprovidedaudiocable,
makesurethatthecolorofRCAplugsarematchedthecolorofsocket.
Tips:ItisconvenienttoplacethetransmitternearyourTVset.
2.FullyextendtheDCcord,andkeeptheDCcordlievertically(upordown),astheDC
cordactsasasignaltransmissionantenna.
3.Takethebatterypacksfromthepackingtheninsertoneofthebatterypackintothe
headsetbase,withtheengravedsymbolsidefacingupward.
NOTE:Thebatterypackcarriesalittlepoweranditisadequateforsearchinganidle
FMfrequency.However,itisbettertochargethebatterypackatleast 8hoursbefore
firstuse.(Fordetailedinformationofchargingthebatterypack,pleasereferto
“Chargingthebatterypack”.)
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4.Docktheheadsettothetransmitterandbatterypackinsidetheheadsetwillbecharged
automaticallyoncethetransmitterispoweredon.
NOTE:TheCharge2indicatesthebatterylevel.TheCharge2indicatorwillgooutif
thebatteryoftheheadsetisfullycharged,otherwiseitlightsupconstantlyand
chargingisinprogress.
5.ConnecttheAC/DCadaptortotheDCINjackatthebackofthetransmitterandtothe
electricoutlet.Thetransmitterispoweredon.
Gettingstarted
1.TurnonyourTVsetandadjusttoacomfortablevolumelevel.NOTE:NevermutetheTV
soundasitcouldcausenosoundontheheadset.
2.Usethevolumecontroltoturntheheadsetonanda“click”willbeheard.Turnthe
volumecontroltosetthevolumeleveltothelowestlevel.
3.Putontheheadsetandadjusttheheadsetcradlestoa
comfortablewidth.
NOTE:Thereare3differentsizesofearbudsprovided
(oneisequippedwiththeheadset,theothersareinthe
packing),tofitfordifferentuser.Pleaserefertothe
“Changetheearbuds”.
4.Re‐adjustthevolumeontheheadsettoacomfortablelevel.
5.Useapenny(notincluded)tosetthesoundtomeetyourpreferencewiththebalance
knobandthetoneknobs(leftandright)thataredesignedonthebackoftheheadset.
6.Ifyoufindthesoundisnotclear,settheaudioswitchto“MONO”.
TIPS:Ifyoufindnosoundsfromtheheadset,ortheChannelindicatorontheheadset
isflashingforawhilethenlightsoff,itindicatesthatre‐pairwillbeneeded.Toget
detailedinformationpleasereferto“PairtheFMfrequency”.
7.Afteruse,turnofftheheadsetwiththeVolumecontrolanddockittothetransmitter.
PairtheFMfrequency
Thetransmitterandheadsetarepre‐paired.Ifyoufindnosoundsfromtheheadset,orthe
Channelindicatorontheheadsetisflashingforawhilethenlightsoff,itindicatesthat
re‐pairwillbeneeded.
•Checkifyouaretoofarawayfromthetransmitter.Theoperatingdistancebetweenthe
headsetandthetransmitteris5meters.
SOLUTION:Moveclosertothetransmitter.
•TheheadsetmaynotfindanidleFMfrequency.
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SOLUTION:PresstheSearchbuttonontheheadsettore‐pairtothetransmitter.
Ifallabovesolutionsdonotwork,youmayneedtofindanotheridleFMfrequencyasper
instructionsbelow:
1.Alwaysdocktheheadsetonthetransmitter.
2.PresstheSearchbuttononthetransmitter.
ThetransmitterwillsearchanidleFMfrequencyforsignaltransmission.Channel
indicatorisflashingduringsearchingprocess.OnceadesiredFMfrequencyhasbeen
found,theindicatorlightsconstantlyandthenthetransmitterwillsendoutasignal.
3.TurntheVolumecontroltosettheheadsetON.
4.PresstheSearchbuttonontheheadset.
Theheadsetwillsearchthesignalthatwassentfromthetransmitter.Channelindicator
ontheheadsetstartstoflash,indicatingthesearchingprocess.Oncethesignalhas
beenfound,theindicatorwilllightconstantly.
NOTE:IftheChannelindicatorontheheadsetkeepsflashingforalongtime,change
anotheridleFMfrequencywithsteps2,3&4.
5.Whenthepairiscomplete,youcanenjoyyourTV.
Chargingthebatterypack
Thebatterypackscarryalittlepowerduringshipping.
Chargethebatterypacksatleast8hoursbeforefirstuse,aslowbatterylevelmayleadto
unsatisfiedsoundsuchasdistorted.
Itisrecommendedtodocktheheadsettothetransmitterafteruse.
NOTE:
•Batterypack,whichisalreadyinsertedtothetransmitter,willbechargedtofullcapacity
oncethetransmitterison.
•Thebatterypackcontainsprotectioncircuittoavoidoverchargingandhelptosave
batterylife.Whenthebatterypackisinsertedtothepower‐ontransmitter,the
transmitterwilldetectthebatterylevelandactivatethechargingfunction.
•Docktheheadsettothetransmitterandacombinationsoundwillbeheard.Thebattery
packwillbechargedoncethetransmitterispoweredon.
•Tochargetheextrabatterypack,insertsittothe
sidebatterychargeslotwiththeengravedsymbol
sidefacingdownward.Thebatterypackwillbe
chargedoncethetransmitterispoweredon.
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•TheChargeLEDsindicatethechargingstatus.Itlightsconstantlyduringthecharging
process.Ifnobatterypackinsideorthebatterypackhasbeenfullycharged,theCharge
LEDwilllightoff.
BatteryPrecautions:Usebatterypackasrecommendedbythemanufacturer,usebattery
packotherthanrecommendedwillincreaserisksofdanger.
Replacethedrainedbatterypack
Ifyoufinddistortedsound,thebatterylevelmaybelow,docktheheadsettochargethe
batterypackor,ifyouwanttousetheheadsetcontinuously,youneedtoreplacethe
batterypack.
Changetheearbuds
Thereare3sizesofearbudsincludedtheproduct,small,mediumandlargesize.
Small Medium
Large
1.Taketheextrabatterypackoutfromthe
transmitter.
2.Griptheedgeandpulloutthebatterypackfrom
thebottomoftheunderchinheadset.Takethe
extrabatterypackoutifitisinsertedtothesideof
thetransmitter.
3.Inserttheextrabatterypackintotheunderchin
headset.Makesurethebatterypackisinstalledor
dockedproperly.
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•Takeofftheearbudsfromtheheadset.
•Taketheearbudsfromthepackingandselectasuitableearbud
size.
•Inserttheearbudstotheheadset.
Specifications
Headsetpowersupply:1xLi‐ionbatterypack
Transmitterpowersupply:ACadapter:input120V~60Hz,
output7.5Vdc200mA
PowerConsumption:3W
FMFrequencyRange:88-108MHz
S/Nratio:45dB
OperationRange:5minopenarea
Accessories:AC/DCadapter
3.5mm‐to‐RCAAudiocable
2xLi‐ionbatterypack
3pairsofearbuds(small,mediumandlargesize,oneis
equippedontheheadsetandtheothersareinthepacking.)
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Troubleshooting
ProblemPossibleCauseSolution
Notworking
and/ornosound.
ConnectionsbetweentheAudio
socketsontheTVandthe
transmittermaybeloose.
Checkallconnections.
Youmaybeoutoftheoperating
rangeofthetransmitter.
Moveclosertothetransmitterto
keepthedistancewithin5
meters.
Batterypackislow.Recharge/Replacethebattery
pack.
Noreception.TheDCcordofACadapteris
coiled,orliesflat.
KeeptheDCcordfullyextend
andlievertically(upordown).
Soundisnotvery
clearand/or
distorted.
Someinterferedapplianceis
usingnearby.
Turnofftheinterferedappliance.
Poorreception.Turnyourselftoanother
directionorsettheaudioswitch
toMono.
TheChannel
indicatorlightsoff
afterflashingfora
while.
Itistobedesignatedtohelpsave
powerconsumption.
PresstheSearchbuttontopair
anidleFMfrequencyandthe
indicatorwilllightagain.
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FCC/ICES‐003STATEMENT
Warning:Changesormodificationstothisunitnotexpresslyapprovedbythepartyresponsiblefor
compliancecouldvoidtheuserauthoritytooperatetheequipment.
NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,
pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst
harmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcanradiateradio
frequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmful
interferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurina
particularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,
whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrectthe
interferencebyoneofthefollowingmeasures:
‐ Reorientorrelocatethereceivingantenna.
‐ Increasetheseparationbetweentheequipmentandreceiver.
‐ Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.
‐ Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)
Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,
includinginterferencethatmaycauseundesiredoperation.
Anychangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoid
theuser'sauthoritytooperatethisequipment.
INDUSTRYCANADA
ThisdevicecomplieswithIndustryCanadalicence‐exemptRSSstandard(s).Operationissubjecttothe
followingtwoconditions:(1)thisdevicemaynotcauseinterference,and(2)thisdevicemustacceptany
interference,includinginterferencethatmaycauseundesiredoperationofthedevice.
UnderIndustryCanadaregulations,thisradiotransmittermayonlyoperateusinganantennaofatypeand
maximum(orlesser)gainapprovedforthetransmitterbyIndustryCanada.Toreducepotentialradio
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interferencetootherusers,theantennatypeanditsgainshouldbesochosenthattheequivalent
isotropicallyradiatedpower(e.i.r.p.)isnotmorethanthatnecessaryforsuccessfulcommunication.
Conformémentàlaréglementationd'IndustrieCanada,leprésentémetteurradiopeut
fonctionneravecuneantenned'untypeetd'ungainmaximal(ouinférieur)approuvépourl'émetteurpar
IndustrieCanada.Danslebutderéduirelesrisquesdebrouillageradioélectriqueàl'intentiondesautres
utilisateurs,ilfautchoisirletyped'antenneetsongaindesortequelapuissanceisotroperayonnée
équivalente(p.i.r.e.)nedépassepasl'intensiténécessaireàl'établissementd'unecommunication
satisfaisante.
LeprésentappareilestconformeauxCNRd'IndustrieCanadaapplicablesauxappareilsradioexemptsde
licence.L'exploitationestautoriséeauxdeuxconditionssuivantes:(1)l'appareilnedoitpasproduirede
brouillage,et(2)l'utilisateurdel'appareildoitacceptertoutbrouillageradioélectriquesubi,mêmesile
brouillageestsusceptibled'encompromettrelefonctionnement.
CALIFORNIAPROP65WARNING
"WARNING"ThisproductcontainsachemicalsknowntotheStateofCaliforniatocausebirthdefectsor
Otherreproductiveharm.Formoreinformationontheseregulationsandalistofchemicals,logonthe
Followingwebsiteaddress:
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.