
Foldoutthephotographsontheinsideoftheback
cover.TheywillassistyouinconnectingtheMR7082
toyoursystem.Thenumbersonthephotographsrefer
totheparagraphsthatfollow.
ThebackpaneloftheMR7082hasconnectorslabel-
edAUDIOOUTPUT,infraredREMOTECONTROL,AM
antenna,75OHMFMantenna,andACpowerusedto
interconnectwithassociatedequipmentandtheAC
powerline.Useshieldedcablestoconnecttheoutput
signaltoa preamplifierorpoweramplifier.Tominimize
thepossibilityofhum,theshieldedcablesshouldbeof
parallelconstructionorlooselytwistedtogetherand
locatedawayfromthespeakerconnectingcablesand
ACpowercords.Becertaintousegoodqualityshield-
edcablesforallinterconnections.Yourdealercanad-
viseyouonthekindandlengthofcablesthatwillbest
suityourinstallation.
1.AUDIOOUTPUT
UsetheAUDIOOUTPUTjacksontherearpanel
tofeedprogramtoa stereocontrolpreamplifieror
otherequipmentwhichhasitsownvolumecontrol.
Theoutputlevelisa nominal1 voltfor100%FM
modulation.Thelowoutputimpedancepermits
longaudiocablestobeusedwithouta lossofhigh
frequenciesduetocablecapacity.
2.REMOTECONTROL
TheREMOTECONTROLconnectorisdesigned
forusewiththeMclntoshinfraredremotecontrol
systems.Withthesesystems,youcan,froma hand-
heldremotecontrol,turnonthetunerandthe
system,selectfromsevenpreprogrammedstations
oneitherFMorAM,searchsequentiallythepro-
grammedstationsonFMorAMandscantheentire
FMorAMband.
3.AMANTenna
TheAMantennainputontheMR7082isunusual
inthatitwillacceptalmostanytypeofantenna.
Ina locationofmoderatesignalstrengthandlittle
interference(fewflourescentlights,motors,TV
sets,etc.),a pieceofwireasshortas3 feetwill
givegoodperformance.Ina ruralarea,anoutdoor
longwiremightbedesirable.Thebestoverall
performancewillbeobtainedbyusinga shielded
loopantenna.
Ashieldedloopantennaismadefroma lengthof
singleconductorshieldedwire;microphonecable,
coaxialcable,etc.,arrangedina singleloop.For
bestreception,orienttheloopvertically.Itmaybe
attachedaroundtheframeofa windowbehinda
curtain,onthebackoftheequipmentcabinet,orin
somesimilarway,Signalstrengthisproportionalto
thesizeoftheloop;thelargertheloop,thegreater
thereceivedsignal.
Toprepareanantennafromtheshieldedcable,
strip3/4ofaninchofouterinsulationfromeachof
thecableends.Fromoneend,completelyremove
theexposed3/4"ofmeshshielding.Thenremove3/8
ofaninchofinsulationfromthecenterconductor.
InserttheexposedcenterconductorintotheAM
ANTpushconnector.Makesurethecutoffmesh
shielddoesnotcomeincontactwithanything.On
theotherend,leavethemeshshieldintactandstrip
%ofaninchofinsulationfromthecenterconduc-
tor.Onthisendonly,twisttheexposedcentercon-
ductorandthemeshshieldtogether.
Insertthetwistedshieldandcenterconductorinto
theground(GND)pushconnector.
4.FMANTenna
Theantennainputimpedanceis75ohmsdesign-
edtobefedbycoaxialantennacable.Theinput
connectorisa "TypeF"whichmateswithcable
companyfeedlinesandcoaxialcable.Interference
rejectionandlowsignallossareamongthebenefits
ofcoaxialcable.
AnyoneoffourdifferentFMantennasystemscan
beusedwithyourMR7082.1)anoutdoorFM
antenna,2)anall-channel(UHF-VHF-FM)antenna,
3)a cableinputfromyourlocalcablecompany,or
4)theindoordipolesupplied.
A75-ohmoutdoorantennadesignedforFM
receptionisrecommendedforoptimumperform-
anceinallareas.Infringeareas,bestresultswillbe
obtainedwitha highlydirectionalFMantennaused
witha rotator.Adjustthepositionoftheantenna
until thebestreceptionisobtained.
A75-ohmmatcheddipoleantennasuppliedwith
yourMR7082maybeusedinurbanorinhigh
signalstrength
areas.
The
flexibility
ofthe
thin
wire
assemblypermitsittobeplacedundera rug,
tackedbehindthestereo,orplacedinanyother
convenientlocation.Insomecases,itmaybe
necessarytopositiontheantennaforbestsignal
reception.Avoidlocatingthisantennanexttoother
wiresormetalobjects.Anindoorantennamaynot
6HOWTOCONNECT
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