Audio Technica MTU301 SpectraPulse Wireless Microphone System  Microphone Transceiver Unit MTU301 User Manual Owners Manual

Audio-Technica Corporation SpectraPulse Wireless Microphone System – Microphone Transceiver Unit MTU301 Owners Manual

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MTU301 User Manual HTML Version

Owners Manual

mtu301Owner’sManual

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mtu301Owner’sManual

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Cover:

SpectraPulse®UltraWidebandWirelessMicrophoneSystem

mtu301Body‐packTransmitter

Set‐upandOperation

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Inside:

ThisdevicecomplieswithPart15oftheFCCrules.Operationissubjecttotheconditionthatdevicedoes

notcauseharmfulinterference.

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ThisdevicecomplieswithINDUSTRYCANADAR.S.S.220enconformiteavecIC:RSS‐220/CNR220

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Operationissubjecttothefollowingconditions:1)Thisdevicemaynotcauseharmfulinterferenceand

2)thisdevicemustacceptanyinterferencereceived,includinginterferencewhichmaycauseundesired

operation.ChangesormodificationsnotexpresslyapprovedbyAudio‐Technicacouldvoidyour

authoritytooperatethisequipment.

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Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigitaldevice,

pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection

againstharmfulinterferencewhentheequipmentisoperatedinacommercialenvironment.This

equipmentgenerates,uses,andcanradiateradiofrequencyenergyand,ifnotinstalledandusedin

accordancewiththeinstructionmanual,maycauseharmfulinterferencetoradiocommunications.

Operationofthisequipmentinaresidentialareaisunlikelytocauseharmfulinterference.However,if

theequipmentdoescauseharmfulinterference,theuserwillberequiredtocorrecttheinterference

atownexpense.

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CAUTION!ElectricalshockcanresultfromremovalofSpectraPulse®components'covers.Referservicing

toqualifiedservicepersonnel.Nouser‐serviceablepartsinside.Donotexposetorainormoisture.The

circuitsinsidetheSpectraPulse®componentshavebeenpreciselyadjustedforoptimumperformance

andcompliancewithfederalregulations.Donotattempttoopenthercu104ReceiverCoordinatorUnit,

drm141DigitalReceiverModule(mainassembly),aci707AudioControlInterface,mtu101Boundary

MicrophoneTransmitter,mtu201XLRDeskStandTransmitter,mtu301Body‐packTransmitter,orcei007

ChargerEncryptionInterface.Todosowillvoidthewarranty,andmaycauseimproperoperation.



NoticetoindividualswithimplantedcardiacpacemakersorAICDdevices:

AnysourceofRF(radiofrequency)energymayinterferewithnormalfunctioningoftheimplanted

device.Allwirelessmicrophoneshavelow‐powertransmitters(lessthan0.05wattsoutput)whichare

unlikelytocausedifficulty,especiallyiftheyareatleastafewinchesaway.Notealsothatanymedical‐

devicedisruptionwillceasewhentheRFtransmittingsourceisturnedoff.Pleasecontactyour

physicianormedical‐deviceproviderifyouhaveanyquestions,orexperienceanyproblemswiththe

useofthisoranyotherRFequipment.

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PleasenotethatyourSpectraPulse®systemoperatesinafrequencybandinawaywhichmaymakeits

usesubjecttocertainFCCandotherregulatoryagencyrestrictionsandlicensingrequirements.No

changesormodificationsmaybemadetothisequipmentexceptbytheexpresslyapprovedresponsible

partyforcompliance.Changesormodificationscouldvoidtheuser’sauthoritytooperatethe

mtu301Owner’sManual

Page2of6

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equipment,andwillalsovoidAudio‐Technicawarrantycoverage.Forfurtherinformation,Please

contactyourlocalofficeoftheFCCasapplicable.

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Batteryprecautions

 Eachmtu301Body‐packTransmitterispoweredby2AAbatteries:AA1.5Valkalinebatteries

(included)orrechargeableSANYObrandAANickelMetalHydride.

 Whenusingrechargeablebatteries,alwaysuserechargeableAANiMHbatteries.

 Rechargeablebatteriesmustbechargedbeforeinitialuseorafterprolongednon‐use.

 Wheninsertingbatteriesintothemtu301,observecorrectpolarityasmarked.

 Donotusealeakingbattery.Ifbatteryleakageoccurs,avoidcontactwithskin.Ifskincontact

occurs,immediatelywashtheaffectedskinareathoroughlywithsoapandwater.Ifbattery

leakagecomesintocontactwithyoureyes,immediatelyflushwithwaterandseekmedical

attention.

 Donotexposethebatteriestofire.Donotheat,deform,solder,disassembleormodify.

 Donotpeeloffordamagetheoutertubeofabattery.

 Ifbatteriesbecomedamaged,disposeofproperly.

 Pleaserecyclerechargeablebatteries.

 Donotusethesebatteriestogetherwithdrycells,othertypesofbatteries,newandold

batteriestogether,orbatterieswithdifferentchargelevels.

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Note:ThisSpectraPulse®systemisapprovedforindooruseonly.

Note:SeeSpectraPulse®Owner’sManualforfullsystemspecifications.

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Contents

What’sintheboxPagex

mtu301Body‐packTransmitterInstallation&OperationPagex

mtu301Body‐packTransmitterControlsandFunctionsPagex

mtu301Body‐packTransmitterSpecificationsPagex

What’sinthebox:

 SpectraPulse®mtu301Body‐packTransmitter

 AA1.5Valkalinebatteries(2batteriespertransmitter)

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Note:ForSpectraPulse®systemoperation,seeSpectraPulse®OwnersManual.

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mtu301Body‐packTransmitter

Installation&Operation

Thankyouforpurchasingthemtu301Body‐packTransmitter,acomponentofAudio‐Technica’saward‐

winningSpectraPulse®UltraWidebandWirelessMicrophoneSystem.Pleasefollowtheinformation

containedinthismanualclosely,andrefertotheSpectraPulse®OwnersManualforsystemoperating

instructions.

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Themtu301Body‐packTransmitterisoptimizedtoworkwithanumberofAudio‐Technicalavalierand

headwornmicrophonespre‐terminatedwithacompatibleinputconnector;thesewirelessmicrophone

productnumbersendwiththedesignation“cW”.Thecableconnectorlatchesautomaticallywhen

insertedintothemicrophoneinputjack.Tounlatchandremovetheconnector,pulluponthe

connector’sknurledmetalcollar.

mtu301Owner’sManual

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Theunitprovidesbiasvoltageforelectretcondensermicrophonesandfeatures9‐hourbatterylife.It

alsooffersanon/offswitch,amuteswitch,andLEDsindicatingpower/muteandlinkstatusaswellas

low‐batterywarning.Eachmtu301operatesusing2AAbatteries.StandardalkalineorNiMH

rechargeablebatteriescanbeused.WithuseofanAudio‐Technica[needmodelnumber]Charger

availableseparately,NiMHrechargeablebatteriesrechargewithintheunit.Theywillnotovercharge.

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Tooperatetheunit:

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1. Installbatteries

 Ifyouareusingalkalinebatteries:

a. Insert2freshAA1.5Valkalinebatteriesinthemtu301XLRBody‐pack

Transmitter.(SeeBatterySelection&BatteryInstallation,page6).

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 Ifyouareusingrechargeablebatteries:

a. Turnthemtu301off;theunitmustbeoffwhenbatteriesarebeingcharged.(See

PowerOn/Off,page__).

b. InserttwoNickelMetalHydride(NiMH)AArechargeablebatteriesinthemtu301XLR

Body‐packTransmitter.(SeeBatterySelection&BatteryInstallation,page__).

c. PlugtheDCcablefromthe(notincluded‐availableseparately)[needmodelnumber]

Chargerintothechargingportonthesideofthemtu301unit;plugtheChargerintoa

standardwalloutlet

d. Confirmthatthemtu301yellowChargingLED(nexttothechargingport)is

illuminated;thiswillextinguishwhenchargingiscomplete.Acompletechargecan

takeuptosixhours.

e. DisconnecttheChargerwhenthechargeiscomplete.

Note:IftheredChargeErrorLED(nexttothechargingport)isilluminated,thisindicates

achargingsystemerror.Causesinclude:non‐NiMHbatteries;failedbatteries;

incorrectlyinstalledbatteries;briefinterruptioninpower.Becertainyouareusing

properlyinstalledNiMHbatteriesandreconnecttobeginthechargingcycleagain.



2. Selectauniquechanneladdressinthebatterycompartmentofeachmtu301Body‐pack

Transmitter.(1‐7forthefirstaci707audiocontrolinterfaceunitused;8‐14forthesecond

aci707unit).(SeeChannelAddressSelection,page6.)



3. Connectyourmicrophonetotheaudioinputjackonthetopofthemtu301Body‐pack

Transmitter.(UseanyAudio‐Technicalavalierorheadwornwirelessmicrophonewhoseproduct

numberendswitha“cW”.)



4. Turnonthepowerswitchonthetopofeachmtu301.ThePowerLEDonthetopofthemtu301

willglowblue.(SeePowerOn/Off,page_.)



5. Confirmlinkstatus.Ifthemtu301Body‐packTransmitterisproperlylinked,theUWBLinkLEDin

thebatterycompartmentwillglowblue,andthetopgreenlightonthecorrespondingaci707

channelwilllight.

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mtu301Owner’sManual

Page4of6

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6. Confirmmute/liveaudiostatus.Whentheaudioison,theLiveAudioLEDonthetopofthe

mtu301glowsgreen.Tochangemutestatus,depressthebody‐packtransmitter’spush‐button

switch.Whentheaudioismuted,theMuteLEDglowsred.(SeeAudio/MuteLED,page_.)



7. Confirmbatterystatus.Lowbatteryisindicatedbyblinkingbluepowerlight(atthetopofthe

mtu301).(SeeLowBatteryWarning,page_.)



8. Withtheaci707onandconnectedasdesired,thedrm141connected,andthemtu301Body‐

packTransmitteron,speakintothemicrophoneandverifyaudiooperation.Settheinputlevels

onyourconnectedequipmentasneeded.Youarenowsettousethesystem.



9. Turnthetransmitteroffwhennotinuse.Removethebatteriesifthetransmitterisnottobe

usedforalongperiodoftime.



mtu301

Body-pack Transmitter Controls

1.BatterySelectionandInstallation

Themtu301Body‐packTransmitteroperatesontwoAAbatteries(standardalkalineorNiMH

rechargeable).Pleasemakecertainthatyourbatteriesarefreshorfullycharged.TwoAA1.5Valkaline

batteriesareincludedwiththemtu301.

a. Openthebatterydoorbyslidingthelatchtowardthetopoftheunit.

b. InserttwofreshorfullychargedAAbatteriesintothebatterycompartment,being

carefultoobservecorrectpolarityasmarkedonthebatteryholder.

c. Closethebatterydoorafterstep2iscomplete.



2.ChannelAddressSelection

Channeladdressselectionisviaarotaryswitchinsidethebatterycompartment.Theswitchisnumbered

forchanneladdresses1through14;thesechanneladdressescorrespondtotheaudiooutputsonthe

aci707unit.Useasmallflat‐bladescrewdrivertoselectadifferentchanneladdressforeachtransmitter

(youcannothavetwotransmittersonthesamechanneladdress).TheAudioControlInterface(aci707)

comesfromthefactorysetforchanneladdresses1through7.Ifyouwishtouseitforchanneladdresses

8through14,changetheDIPswitchonthebackpaneloftheaci707asdescribedintheSpectraPulse®

OwnersManual.



3.MicGainSwitch

Adjustaudiogainwiththis3‐positiongainswitchinsidethebatterycompartment,providedfor

situationsthatdemandextrasensitivepickup.Beginwiththeswitchinthe0dBsetting;adjustto+6dB

or+12dBasneeded.



4.AudioInputJack

Themtu301Body‐packTransmitterisequippedwithanaudioinputjackforconnectiontoanyAudio‐

Technicalavalierandheadwornmicrophonepre‐terminatedwithacompatibleinputconnector;these

wirelessmicrophoneproductnumbersendwiththedesignation“cW”.



5.PowerOn/Off

mtu301Owner’sManual

Page5of6

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Atoggleswitchonthetopofeachbody‐packtransmitterturnstheunitonandoff.Theunitmustbeoff

whenbatteriesarebeingcharged.



6.PowerLEDandLow‐batteryWarning

ThePowerLEDonthetopofthebody‐packtransmitterglowsbluetoindicatethepowerison.When

batteryperformanceislow,thePowerLEDwillblinkasawarning.Whenthesystemislinked,abottom

orangeLEDonthecorrespondingaci707channelwillilluminatetoprovideadditionalindicationoflow‐

batterystatus.



7.Audio/MuteLEDs

Whenabody‐packtransmitter’saudioison,theLiveAudioLEDonthetopofthemtu301glowsgreen.

Whentheaudioismuted,theMuteLEDglowsred.Aredlightonthecorrespondingaci707channelalso

indicateswhenaudioismuted.



8.UWBLinkLED

TheUWBLinkLEDinsidethebatterycompartmentglowsbluetoindicatethemtu301isproperlylinked

tothesystem.(Thetopgreenlightonthecorrespondingaci707channelalsolights.)



9.Push‐buttonSwitch

Apush‐buttonswitchonthetopofthebody‐packtransmitteroperatesasamute(presson/off)switch

oracontrolswitch;tochangemutestatus,depressthebutton.Choosethefunctionofthebutton(Push

toTalk,PushtoMute,Toggle,andOff)attheSpectraPulse®aci707AudioControlInterface.(See

SpectraPulse®Owner’sManualfordetails.)



10.ChargingPort

TheDCcablefromtheseparatelyavailableChargerplugsintothechargingport.

11.ChargingLED

ThisyellowLEDilluminateswhilebatteriesarebeingcharged;extinguisheswhenchargingiscomplete.



12.ChargeErrorLED

ThisredLEDilluminatestoindicateachargingsystemerror.Causesinclude:non‐NiMHbatteries;failed

batteries;incorrectlyinstalledbatteries;briefinterruptioninpower.



13.BatteryDoor

Openthebatterydoorbyslidingthelatchup.



14.TransmitterMountingClip

Usethemountingcliptowearthetransmitteronawaistbandorbelt.



mtu301Owner’sManual

Page6of6

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mtu301Body‐packTransmitterSpecifications



Input connector Hirose 4-pin locking, circular. Mates with all pre-terminated AT head-

worn and lavaliere series microphones for pin-locking connector.

Bias voltage to

mic feed

The mtu201 delivers 11.5V DC to the pin-locking connector in order

to power any of the AT series head-worn or lavaliere microphones.

Battery type Two 1.5 volt AA alkaline batteries are included. Rechargeable SANYO

brand NiMH AA batteries are recommended; they are included with the

available cei007 Charging/Encryption Interface

Battery life Approximately 9 hours depending on battery type and use and

pattern

Current

Consumption

190mA at 3V DC

Average RF

power

40 nanowatts

Weight and

Dimensions

81.8mm (3.22 in.) wide, 27.5mm (1.08 in.) deep,

118mm (4.65 in.) height, 227 grams (0.5 lb.) - less batteries

Optional

Encryption

AES level 3, 128 bit



  

  

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Audio Technica MTU301 SpectraPulse Wireless Microphone System Microphone Transceiver Unit MTU301 User Manual Owners Manual