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thecover5 (seeFig.4).Inadditiontothemanualadjustmentoptionthe
transmitterisalsoequippedwithanautomaticlevelcontrolsystem,which
automaticallyreducestheinputsensitivitywhentherateddeviation(the
valueatwhichtheIrequencydeviation01thetransmitterreaches::t8 kHz)
is,exceeded,thuspreventingoverloading.
Pleaseproceedaslollowsinordertocarryoutthemanualadjustment:
Connectinga Microphone
YoucanconnecteithertheMKE4012(cardioidcharacteristic)ortheMKE
2012(omnidirectionalcharacteristic)to thetransmitter'smicrophoneinput
socket.Ofthesetwoplug-inmicrophonestheMKE4012 is morestrongly
recommended,asitsexcellentdirectionalefficiencyincreasesthe
intelligibility01speechinnoisysurroundings.Itisrecommendedthat
thewlndscreensuppliedwiththemlcrophoneshouldalwaysbeused,in
orderto preventwindandpopnoises.
~
3
2
,. .,
+ UBlorelectretmicrophones
I.. J
4 AF
1
Fig.3: Socket wiring
MicrophoneInput:
1.Connecta pair01headphonesto theAFoutputsocket01thereceiver
andturnthevolumecontrolknob01thereceiver("'t ")allthewayto the
right.
2.Switchonthetransmitterandthereceiver.Takecarethatthetrans-
missionandreceptionIrequenciescorrespondI
3.Turntheadjustmentknob4 allthewayto theleft.
4.Whileyouareadjustingthelevelholdthetransmitterinthepositionin
whichit isto beused.
5.Speakintothemicrophoneat anormalvolume.Experiencehasshown
thata longdrawn-outFrench"uuuuu"isparticularlyeffectivelor level
adjustment.
Whilespeakingintothemicrophonelistento yourvoiceintheheadphones.
Increasethesensitivitygraduallyuntilyoucannolangerhearanylurther
increaseinvolume,thenshifttheadjustmentknob4 onequarter01aturn
backto theleft.
ConnectingAudioEquipment
Shouldyouwishto inputaudiosignalsIromatapedeckor cassette
recordertothetransmitter,inadditionto thespakenword,thenyoucan
connecttheseunitsto the3.5mmphonosocket2. IIa microphoneisalso
connecteditisswitchedoffautomaticallywhenyouinsertajackintothe
phonosocket.
II possibleusetherecord/playbacksocketwhenyouareconnectingyour
cassetterecorderortapedeckto thetransmitter.IIonlya headphonesor
loudspeakersocketisavailable,thenpleasenotethatthephonoinputis
onlydesignedlor audiosignalvoltagesbetween75 mVand1.5V.IIthis
voltageisexceededlor abriefperiodtheoverloadislevelledoutbyahigh-
qualitylimitingamplilier.Evenso,suchoverloadsshouldbekeptto an
absoluteminimum.Youcanreducethe inputlevelbyturningdownthe
volumecontrolonyourcassetterecorderortapedeck.
Adjusting the Sensitivity of the Microphone and Phono Inputs
Anadjustmentknob4 withwhichyoucanadjustthesensitivityofthe
microphoneorphonoinputtotheleveloftheinputsignalislocatedunder
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Fig.4 a
Fig.4b
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