Satellite Radio User Manual
SK1013-6RF-TRANSMITTER
Operation
Insertingthe Batteries
Description
TheSK1013-6isa battery-poweredRFtransmitterusedfor wirelessaudio
transmissionincombinationwithanRFreceiver,ideallywiththeEK1013-6.
Oneof the possibleapplicationsfor theSK1013-6isasanaidfor people
withhearingproblemsinall kindsof schoolsanduniversities.Equippedwith
a SennheiserMikroportsystemconsistingof theSK1013-6andthe
EK1013-6the usernoIongerneedsto strainto hearthe voiceof the
speaker,distortedanddiminishedbyenvironmentalsoundsandthe
dlstancebetweenlistenerandpodium;instead,the wordsspokenarerecei-
veddirectly,eliminatingthefactorsofthe acousticsof the roomandof
distanceto thespeaker.Thebestwayof explaininghowthesystemworks
iswiththe helpof an example:
Thespeaker(e.g.a teacher)wearsthetransmitter,whichisequippedwith
a microphone.Thelistener,achildor anadultwith hearingproblems,
wearstheEK1013-6receiver.Dependingonthelevelofthe hearinghandi-
capthe outputof the receivercanbeconnectedeitherto a pairof head-
phonesor to thelistener'sownhearingaid.TheEK1013-6receivesthesig-
nalandamplifiesit sothatthe listenercanhearit loudlyandclearly.Even
if the listenerissittinginthe verybackrowof a schoolauditoriumwith
pooracousticsheor shecanheartheteacherasclearlyasif hewere
standingnextto themandspeakingto themdirectly.
Hereisalittle informationaboutthetechnologyofthistransmitter:
TheSK1013-6isa narrowbandtransmitterandis presetto a specific
frequencyinthe rangebetween30 and45 MHz.Thetransmitter's8-pin
inputsocketcanbeusedto connectmicrophones,for instancethe MKE
4012or MKE2012plug-inelectretmicrophones,andaudlosignalsfrom
tapedecksor cassetterecorderscanbeinputviathe3.5 mmphono
socket.Thebuilt-in"HiDyn"compandersystemensuresextremelyhigh
transmissionquality.
TheSK1013-6is poweredbythreebatteries,whichcanbeeitherrechar-
geableor non-rechargeable.Two chargingcontactsarelocatedon theside
of the unitwhenrechargeablebatteriesarebeingusedtheycanbe
rechargedbyconnectingtheSZL1011-2 chargingunittothesecontacts.
Thestandardequipmentprovidedwiththetransmitterconsistsof a neck
strapandtheGZK1011 carryingclip
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.,..
Fig.1:Openingthe battery
compartmentcover
Fig.2: Insertingthe batteries
Thetransmittercanbeoperatedeitherwithalkali-manganesedry batteries
(lECLR6) or withrechargeableNiCdbatteries(1.2V/500 mAhsinter
accumulators).Inthecaseof dry batterieswestronglyadvisethatyouuse
thealkali-manganesetype,asthe performanceof thetransmittercannotbe
guaranteedwhenothertypesof dry batteriesareused.Whenthetrans-
mitterisusedfrequently,however,it ismoreeconomicalto userechar-
geableNiCdbatteries.ThesebatteriescanberechargedwiththeSZL1011-2
chargingunit.Forthis purposetheSK1013-6isfittedwithtwo contacts6
onthe sideof itshousingwhichmakeit possibleto chargethebatteries
withoutremovingthemfromthe unit.Dependingonthetypesof batteries
usedthetransmittercanbeoperatedfor differentlenghtsof timebefore
changingor rechargingthe batteries:
RechargeableNiCdbatteries:approx.10 hours
Alkali-manganesebatteries: approx.30 hours
PleaseNotewhenUsingRechargeableBatteries:
1.Switchthetransmitteroff beforecharging.
2. Replacethetransmitterinthechargingunitaftereachuse.Thismakes
surethatthebatteriesarealwaysfully charged.
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