PROception PROMOD1 Manuel utilisateur



Safety Instrucons

Overheang:

Theseampliﬁersareintendedforuseinmoderateclimatesonly.Theyshouldnotbeusedintropical

regions.Therecommendedvenlaonclearancesandotherprecauonsgivenintherelevantseconof

thisinstruconleaﬂetshouldbeobservedtopreventoverheang.Nounitshouldbeﬁxedwhereitislikely

tobecomesmotheredbysofurnishingfabricssuchascurtains,orbythermalinsulaonmaterialinaroof

spaceorbuildingvoid.Mainspoweredequipmentshouldnotbeleresngonacarpet

Water and ﬁre risks:

Theapplianceisnotwaterproof.Itisintendedforindooruseonlyandmustnotbeﬁxedwhereitcouldbe

exposedtodrippingorsplashingwater.Objectscontainingliquidsshouldnotbeplacedonornearthe

appliance.Topreventriskofﬁre,noobjectwithanakedﬂameshouldbeplacedonorneartheappliance,

oritsassociatedwiring.

Mains plug and disconnecon from the supply:

Theapplianceissuppliedwithastandardfusedplugﬁed.Ifthisisunsuitable,refertotheinstrucons

below.Ifyouneedtochangethefuseintheﬁedplug,a3AmpfusetoBS1362carryingtheASTAorBSI

approvalmarkmustbeused.Alwaysreplacetheplascfusecarrierwhenrenewingthefuse.Theplug(or

othermeansofdisconneconfromthesupply,ifused)shouldremainreadilyaccessibleforoperaon

whennecessary.TheLEDpowerindicatoronthisequipmentshouldnotberegardedasprovidingreliable

indicaonofsupplydisconnecon.

Changing the plug:

Iftheﬁedmainsplugisnotsuitableforthesocket‐outletsinuse,itshouldbecutoﬀandanewplug

ﬁed...

Wiring the new plug: Instruconssuppliedwiththenewplugshouldbefollowed.Thebrownwiremustbe

connectedtothelive(L)terminaloftheplugandthebluewiretotheneutral(N)terminal.Neitherwire

shouldbeconnectedtotheearth(E)terminalofa3‐pinplug(theappliancedoesnotrequireanearth

connecon).Ensurethatthecordgripintheplugiscorrectlyusedandclampsthesheathofthecord

ﬁrmly.

Fuse Rang: Ifthenewplugisafusedtype,thefuseﬁedshouldberatedatnotmorethan3Amp.

Cauon: Theoldplugshouldbedestroyedimmediatelysinceitwouldbedangerousifpluggedintoalive

socket.

2 Year Guarantee

ThisguaranteecoversfailureofyourPROceponproductresulngfrommanufacturingdefectwithina

periodof2yearsfromthedateofsupplytotheend‐user.Thisguaranteedoesnotcoverdamagetothe

productcausedbyabuse,tampering,defecveinstallaonornaturalcausessuchaslightningdischarge.

Repairoraemptedrepair,otherthanbythemanufacturer,willrenderthisguaranteevoid.This

guaranteedoesnotaﬀectaconsumer'sstatutoryrights.

Website: www.procepon.co.uk

Email: support@procepon.co.uk

©Blake‐UK2017AllrightsreservedE&OEProductSpeciﬁcaonmaybeChangedwithoutPriorNoce

Performancedatagivenaretypicalunlessotherwisestated.Wereservetherighttochange

productdesignsandspeciﬁcaonswithoutpriornoce.

PD2011‐9036‐03



PROMOD1

UHF AV Modulator Instrucon Manual

ThePROMOD1MK2isageneralpurposeAVmodulatorforusewhereaUHFTVsignalneedstobe

generatedfromtheoutputofequipmentwhichdoesnothaveaninternalmodulator.

Features:

 StandardAVinputsonSCARTsocket(phonoadaptersupplied).

 UK(SystemI)double‐sidebandmodulatedoutput.

 UHFoutputchannelselectableinrangeE21toE69(sengautomacallyrestoredonpower‐up).

 VHF‐UHFloop‐throughinput.

 Built‐inmainspowersupply.

 Channels61‐68canbeusedforlocallymodulatedsignals.

Applicaons:

 CCTVsecuritycamera,DVDplayers,camcorders,games,etc.

Locaon:

Themodulatorcanbelocatedinanyconvenientposionanddoesnotrequireﬁxing.Clearanceofat

least50mmshouldbeallowedaboveandaroundtheunitforvenlaon.Avoidposioningthe

modulatorontopofastackofotherequipmentasthismayresultinoverheang.

Donotleavethemodulatorresngonacarpetorinstallitwhereitmaybecomesmotheredwith

curtainsorothersofurnishingfabrics.Wheninstallingthemodulatorinaroofspaceensurethatit

willnotcomeintocontactwiththermalinsulaonmaterial.

RF signal connecons:

TopreserveRFscreeningintegritythesignalconneconstothemodulatorshouldbemadeusing

goodqualitycoaxialcableandconnectors.Thisisparcularlyimportantinasystemcarryingdigital

terrestrialTV(DTT)tominimisetheingressofimpulsiveelectricalinterference.Theuseofcable

benchmarkedundertheCAIschemeisrecommended.

CrimpFconnectors,usedinaccordancewiththemanufacturersinstrucons,willgivethebest

results.Theimportanceofachievingsoundbraidconneconscannotbeover‐stressed.Connectors

shouldbeghtenedwithaspanner,notleﬁnger‐ght.



Mains power supply:

Themodulatorissuppliedwithaﬁedmainsplugandmaybepluggeddirectlyintoa13A(BS1363)

socketoutlet.Ifsocketoutletsofadiﬀerenttypeareinuse,pleaserefertothesafetyinstruconson

page4.Themainsplugshouldremainreadilyaccessibletopermitdisconneconoftheunitfromthe

supply.

Alternavelytheplugmaybecutoﬀandthemodulatorwiredintoareadilyaccessiblefused

conneconunit,ﬁedwithanapproved3AfusetoBS1362.Thismethodofconneconis

recommendedforpermanentdistribuonsystemapplicaons,sinceitreducestheriskoftampering

andaccidentaldisconnecon.Pleasenote:Areadilyaccessibleisolangswitchshouldbeprovidedto

allowtheunittobedisconnectedfromthesupplywhennecessary.

Ifthemodulatorisnotconnectedtothemainsusingthefusedplugsupplied,orafusedconnecon

unit,itmustbeprotectedbymeansofafuseorMCBattheﬁnaldistribuonboardofrangnot

exceeding6A.Pleasenote:Areadilyaccessibleisolangswitchshouldbeprovidedtoallowtheunitto

bedisconnectedfromthesupplywhennecessary.

AnyﬁxedwiringinstalledtosupplypowertothismodulatorshouldcomplywithBS7671(IEEwiring

regulaons)and,whererelevant,PartPofthebuildingregulaons.TheproMOD1Mk2modulatorisof

ClassIIconstruconanddoesnotrequireaprotecveearthconnecon.Thisdoesnotobviatethe

needtoprovideacircuitprotecve(earth)conductorinthesupplywiring,asrequiredbyBS7671.

System equipotenal bonding:

Distribuonsystemssupplyingsignalstomorethanonehouseholdshouldcomplywiththesafety

requirementsofEN60728‐11.Thiseﬀecvelyrequiresearthedequipotenalbondingofthesystem.

(Theuseofisolatedoutletplatesisnolongerrecommendedsincetheycompromisescreening

integrityandallowingressofinterference.)BondingmaybeeﬀectedusingaproBAR5equipotenal

bondingbar.

Seng the output channel number:

Thechannelsengbuonsonthefrontoftheunitarenormallylockedtoprotectagainstaccidental

changeortampering.Tochangetheoutputchannelsengproceedasfollows:

1.Pressandholdbothbuonstogetherforabouttwoseconds.Thechannelno.displaywillstartto

ﬂash.

2.Whilethedisplayisﬂashing,adjustthechannelno.asrequiredusingthesortbuon.

3.Whenthedisplaystopsﬂashing(abouttwosecondsaerthelastbuonpress)thenewchannel

sengisstoredinthenon‐volalememory.

4.RepeatfromStep1ifnecessary,totryadiﬀerentchannel,oriftheme‐outoccurredtoosoon.

Iftheoutputchannelischangedaerinstallaon,allTVreceiverswhichareusingthemodulators

outputwillneedtohavetheirappropriatechannelsengsretuned.

Notesonchannelselecon:

Choiceofanappropriatemodulatorchannelsengisimportanttoavoidinterferenceproblems.

 Themodulatoroutputshouldnotbesetonthesamechannelasanyoﬀ‐airanalogueordigital

signalcarriedonthesystem.Usingachannelwhichcoincideswithanoﬀ‐airDTTsignalisa

commoncauseofanoisylookingmodulatorpicture.

 Alsoavoidadjacentchannels(N±1relaonship).

 Avoidanycombinaonwhichresultsinsignalsspaced5channelsapart(N±5relaonship).

 TheoldavoidN±9rulecanusuallybeignored,duetotheimprovedimagerejeconofmodern

TVs.

 Anyothermodulatorsinthesamesystem(inVCRs,etc.)aresubjecttothesamerules,whichalso

applybetweenmodulators.

 Tocheckforinterferencetootherchannelscausedbythemodulator,disconnecttheRFINand

RFOUTcablesandlinkthemtogetherusingaback‐to‐backadapter.

 Tocheckforinterferencecausedbyanoﬀ‐airorotherupstreamsystem‐generatedsignalto

themodulatorsoutputchannel,unplugordisabletherelevantinputfeedtoRFIN.

InformaononUKTVtransmierchannelnumberscanbefoundatthefollowingWebURLs:

hp://www.bbc.co.uk/recepon/transmiers/tv_trans/index.shtml

hp://www.ofcom.org.uk/stac/recepon_advice/index.asp.html

1.TolerancesgivenintheITU‐RRecommendaonarenotapplicable.

2.TheL&Rinputsareaddedtoprovideamonosignalformodulaon.(Quotedsensivityapplieswith

bothchannelsdriven.)

TVSystem SystemI(ITU‐RRec.BT.470)(Note1)

ModulaonSpectrumType Double‐sideband

OutputUHFchannel E21‐E69(setfromfrontpanel,storedinnon‐volalememory)

OutputSignalLevel 75dBµV(typical,peaksync)

RFloop‐throughbandwidth 47‐862MHz

RFloop‐throughgain 1.5dB

Videoinputlevel 1Vp‐p(internal75Ωterminaon)

Audioinputlevel 200mVRMSsinefor±20KHzpeakdeviaon(1KHzmodulang

frequency)(note2)

Powerrequirement 230VAC50Hzat4W(5.5VA),suppliedwithﬁedmainsplugtoBS1363

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