product user’s guide vt4888dp-cn - jbl professional user’s guide midsize powered line array...

42
Product User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA VT4888DP-AN VT4888DP-CN VT4882DP VT4882DP-DA VT4882DP-AN VT4882DP-CN

Upload: trinhnhu

Post on 22-Apr-2018

222 views

Category:

Documents


1 download

TRANSCRIPT

Page 1: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

Product User’s GuideMidsize Powered Line Array Systems

VT4888DP

VT4888DP-DA

VT4888DP-AN

VT4888DP-CN

VT4882DP

VT4882DP-DA

VT4882DP-AN

VT4882DP-CN

Page 2: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

� VERTEC User’s Guide

Page 3: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�JBL Professional

Section1. SafetyInstructions.....................................................................................Page4

Section2. BeforeYouBegin.......................................................................................Page7 Section3. IntroductiontoVERTEC®DPSeries MidsizePoweredLineArraySystems.....................................................Page8 Specificationsbymodel

Section4. VERTEC®DPSeriesTransducers.............................................................Page10

Section5. EnclosureCareandMaintenance............................................................Page11

Section6. Suspension.................................................................................................Page12 SafetyPrecautions IndustryResources

Section7. JBLDrivePack®Technology....................................................................Page15 ACPowerModule,ElectricalInformation InputModules(DPIP,DPDA,DPAN,DPCN) ProtectiveJackets&installation

Section8. HiQnetSystemArchitect™SoftwareConfigurationGuide...................Page28 ConfiguringyourPC EthernetNetworkconnections AppendixA:ConfiguringCobraNetdevices AppendixB:SettingMicrosoftWindowstostandardfontsize AppendixC:SettingRegionalLanguageOptionstoUSEnglish Section9. JBLProfessionalWarranty.......................................................................Page39

Section10. FactoryContactInformation....................................................................Page40

TABLEOFCONTENTS

Page 4: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

� VERTEC User’s Guide

SECTION1:SAFETYINSTRUCTIONS

ImportantSafetyInstructions 1.Readtheseinstructions.

�.Keeptheseinstructions.

�.Heedallwarnings.

�.Followallinstructions.

5.Donotusethisapparatusnearwater.

6.Cleanonlywithdrycloth.

7.Donotblockanyventilationopenings.Installinaccordancewiththemanufacturer’sinstructions.

8.Donotinstallnearanyheatsourcessuchasradiators,heatregisters,stoves,orotherapparatus(includingamplifiers)thatproduceheat.

9.Donotdefeatthesafetypurposeofthepolarizedorgrounding-typeplug.Apolarizedplughastwobladeswithonewiderthantheother.Agrounding-typeplughastwobladesandathirdgroundingprong.Thewidebladeorthethirdprongareprovidedforyoursafety.Iftheprovidedplugdoesnotfitintoyouroutlet,consultanelectricianforreplacementoftheobsoleteoutlet.

10.Protectthepowercordfrombeingwalkedonorpinched,particularlyatplugs,conveniencereceptacles,andthepointwheretheyexitfromtheapparatus.

11.Onlyuseattachments/accessoriesspecifiedbythemanufacturer.

1�.Useonlywiththecart,stand,tripod,bracket,ortablespecifiedbythemanufacturer,orsoldwiththeapparatus.Whenacartisused,usecautionwhenmovingthecart/apparatuscombinationtoavoidinjuryfromtip-over.

1�.Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.

1�.Referallservicingtoqualifiedservicepersonnel.Servicingisrequiredwhentheapparatushasbeendamagedinanyway,suchaspowersupplycordorplugisdamaged,liquidhasbeenspilledorobjectshavefallenintotheapparatus,theapparatushasbeenexposedtorainormoisture,doesnotoperatenormally,orhasbeendropped.

15.WARNING:Toreducetheriskoffireorelectricshock,donotexposethisapparatustorainormoisture.

16.Donotexposethisequipmenttodrippingorsplashingandensurethatnoobjectsfilledwithliquids,suchasvases,areplacedontheequipment.

17.TocompletelydisconnectthisapparatusfromtheACMains,disconnectthepowersupplycordplugfromtheACreceptacle.

18.Themainsplugofthepowersupplycordshallremainreadilyoperable.

Page 5: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

5JBL Professional

THISAPPARATUSCONTAINSPOTENTIALLYLETHALVOLTAGES.TOPREVENTELECTRICSHOCKORHAZARD,DONOTREMOVEDRIVEPACKCHASSIS,INPUTMODULEORACINPUTCOVERS.NOUSERSERVICEABLEPARTSINSIDE.REFERSERVICINGTOQUALIFIEDSERVICEPERSONNEL.

WATCHFORTHESESYMBOLS

Thelightningbolttriangleisusedtoalerttheusertotheriskofelectricshock.

Theexclamationpointtriangleisusedtoalerttheusertoimportantoperatingor maintenanceinstructions.

FCCCOMPLIANCENOTICEThisdevicecomplieswithpart15oftheFCCrules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(�)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.CAUTION:Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser’sauthoritytooperatetheequipment.

CSACOMPLIANCENOTICECSACertificationAppliestoAmplifierModuleOnly

Page 6: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

6 VERTEC User’s Guide

JBLDRIVEPACK®DECLARATIONOFCONFORMITY

SafetyandEMCComplianceSpecifications

EN55103-1:1997ElectromagneticCompatibility-ProductFamilyStandardforAudio,Video,Audio-VisualandEntertainmentLightingControlApparatusforProfessionalUse,Part1:Emissions

EN55103-1:1997MagneticFieldEmissions-AnnexA@10cmand1M

EN55022:2003LimitsandMethodsofMeasurementofRadioDisturbanceCharacteristicsofITE:Radiated,ClassBLimits;Conducted,ClassA

EN55103-2:1997ElectromagneticCompatibility-ProductFamilyStandardforAudio,Video,Audio-VisualandEntertainmentLightingControlApparatusforProfessionalUse,Part�:Immunity

EN61000-4-2:1995+A1:1999&A2:2001ElectrostaticDischargeImmunity(EnvironmentE�-criteriaB,�kVContact,8kVAirdischarge)

EN61000-4-3:2003Radiated,Radio-frequency,ElectromagneticImmunity(EnvironmentE�,criteriaA)

EN61000-4-4:2005ElectricalFastTransient/BurstImmunity(criteriaB)

EN61000-4-5:2001SurgeImmunity(criteriaB)

EN61000-4-6:1996ImmunitytoConductedDisturbancesInducedbyRadio-FrequencyFields(criteriaA)

EN61000-4-11:2004VoltageDips,ShortInterruptionsandVoltageVariation

UL60065:2003,7thedition:Audio/VideoandMusicalInstrumentApparatusforHousehold,CommercialandSimilarGeneralUse

IEC60065,2001:Audio,VideoandSimilarElectronicApparatus-SafetyRequirements

CAN/CSAE60065-03:Audio,VideoandSimilarElectronicApparatus–SafetyRequirements

Page 7: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

7JBL Professional

SECTION�:BEFOREYOUBEGIN

TheVERTEC®DPSeriessystemscoveredbythismanualarenotintendedforfixedinstallationinoutdoororhighmoistureenvironments.Moisturecandamagethespeakerconeandsurroundandcausecorrosionofelectricalcontactsandmetalparts.Avoidexposingthespeakerstodirectmoisture.Keeploudspeakersoutofextendedorintensedirectsunlight.Thedriversuspensionwillprematurelydryoutandfinishedsurfacesmaybedegradedbylong-termexposuretointenseultra-violet(UV)light.

VERTEC®DPSeriesMidsizePoweredLineArrayloudspeakerscanbesuspendedwithavailablearrayframes(P/NVT�888-AF,VT�888-SF)ortheycanbeground-stacked.Thesesystemscangenerateconsiderableenergy.Whenplacedonaslipperysurfacesuchaspolishedwoodorlinoleum,asinglespeakermaymoveduetoitsacousticalenergyoutput.Precautionsshouldbetakentoassurethatthespeakerdoesnotfalloffastageorscaffoldplatformonwhichitisplaced.Whileitisunlikelythataground-stackedarraywillmovewhenproperlyattachedtoitsarrayframe,precautionsshouldbetakentoassurethatthearrayassemblycannotfallfromanysurfaceonwhichitisplaced.Hearingdamage,prolongedexposuretoexcessiveSPLVERTEC®DPSeriesloudspeakersareeasilycapableofgeneratingsoundpressurelevels(SPL)sufficienttocausepermanenthearingdamagetoperformers,productioncrewandaudiencemembers.CautionshouldbetakentoavoidprolongedexposuretoSPLinexcessof90dB.

PackageContents

•ProductUser’sGuide(thisdocument) •JBLDrivePack®compatibleloudspeaker •CDcontainingSystemArchitect™software. •ACPowerNorthAmerica/EuropeCord-Set •ProtectiveJacketSet •WarrantyCard

Page 8: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

8 VERTEC User’s Guide

SECTION�:INTRODUCTIONTOVERTEC®DPSERIESMIDSIZEPOWEREDLINEARRAYSYSTEMS

Shown:VT�888DPinflownarray

VERTEC®DPSeriesMidsizePoweredSystems

TheVERTECDPSeriesmidsizemodelsarepartofafamilyofpoweredintegratedaudioloudspeakersystemsfeaturingtheJBLDrivePack®amplifiermodules,designedincooperationwithCrownInternational.TheJBLDrivePackfeaturescutting-edgetechnologysuchaspatentedhighefficiencyClass-Ipoweramplifiercircuitry.LoudspeakercomponentsincludepatentedJBLDifferentialDrive®woofers.

Thisguidecoversthefollowingmodels:

VT4882DP.......................................�x15”powereddual-channelsubwoofersystemVT4882DP-DA................................ withoptionalDPDAnetworkinputmodule,AESdigitalaudioVT4882DP-AN................................withoptionalDPANnetworkinputmodule,analogaudioVT4882DP-CN................................withoptionalDPCNnetworkinputmodule,Cobranet™digitalaudioVT4888DP.......................................�x1�”tri-amplifiedthree-wayfullrangesystemVT4888DP-DA................................ withoptionalDPDAnetworkinputmodule,AESdigitalaudioVT4888DP-AN................................withoptionalDPANnetworkinputmodule,analogaudioVT4888DP-CN................................withoptionalDPCNnetworkinputmodule,Cobranet™digitalaudio

Page 9: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

9JBL Professional

π

Page 10: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

10 VERTEC User’s Guide

2431HHighFrequencyCompressionDriverJBL’s���1Hfeaturesalightweightneodymiummagnetstructure,�”diaphragmand1.5”exitcoupledtoaproprietarywaveguideengineeredtobepartofthesystem’sthermal-transfermechanism,itisdesignedtodelivercrystal-clearsoundwithsuperbdynamicrange.The���1Hisan8Ohmdevice.TwoareincludedineachVT�888DPsystem.

2106HPLMidrangeLoudspeakerThelowdistortion,highoutputdesignoftheVERTECmid-rangedriverensuressuperbfidelityandarticulationinthecriticalmidrangefrequencies.TheVT�888DP’sfour�106HPL1�8mm(5.5in)with50mm(�in)dia.voicecoilsemployJBL’sexclusiveDifferentialDrive®conetransducertechnologyforlowerweightandhigheroutput.Thehighlyefficientcoolingcharacteristicsofthemid-rangedriversensureloweroperatingtemperatures,greatlyimprovedpowercompressioncharacteristicsandlowerharmonicdistortion.8Ohmdevice.

2262HLowFrequencyLoudspeakerThe��6�Hisa1�”transducerengineeredwithJBL’spatentedDifferentialDrive®technology.Theselowfrequencydriversdramaticallyreducedriverweightwhilegreatlyenhancingallcriticalperformanceparameters:frequencyresponse,poweroutput,anddistortion.DifferentialDrivetechnologyfeaturesauniquedesignwithheatsinksintegratedintothecastaluminumframeforahighlyimprovedperformancetoweightratio.Thedualvoicecoildesignplacestheneodymiummagnetsinsidethevoicecoilassembly,completingthemagneticcircuitwithouttheheavysurroundingsteelstructureofconventionaldrivers.8Ohmdevice.

For more information, see JBL Tech Note Vol. 1 Number 33, “DifferentialDrive Transducers”

2266HLongExcursion,DifferentialDrive®LowFrequencyDriverLongExcursion�81mm(15”)transducerfeatures1�00wattscontinuous(AES),�800wattspeakpowerhandlingcapacity.It’sthelatestexampleofJBL’spatentedDifferentialDrive®NeodymiumMagnet,dualvoice-coilloudspeakertechnology,highpeaktopeakexcursioncapabilities,andJBL’sexclusiveVentedGapCooling™.8Ohmdevice.

SECTION�:VERTEC®DPSERIESTRANSDUCERS

Page 11: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

11JBL Professional

SECTION5:ENCLOSURECAREANDMAINTENANCE

PAINTINGJBLVERTECDPSERIESSYSTEMPRODUCTS

VERTECDPSeriesenclosuresareconstructedofJBLPlyMax™,anexclusivehybridengineered-woodtechnologydesignedtoreduceenclosureweightwhileofferingexceptionalpanelrigiditywiththeappropriateacousticalproperties.TheexteriorofeachenclosureiscoveredwithJBL’sexclusiveDuraFlex™finish.

EachJBLProfessionalVERTECDPSeriessystemmodelisreadilypaintable.TheDuraFlexfinishprovidesalightlytexturedsurfacethatanyhouseholdorindustrialpaintreadilyadheresto.Theresultisaspeakerenclosurethatisabletoblendunobtrusivelyintothedecorofanystagesetorenvironment.

Instructionsforpaintingwoodenclosures(donotpainttheJBLDrivePack®):

1.Preparetheenclosuresurfacebycleaningandwipingoffdustandfilmwithadampcloth.Itmaybenecessarytouseamildhouseholdcleanertoremovegrease.Avoidusingacloththatwilldeteriorateoverthetexturedsurface.

�.Applyasmanycoatsofpaintasisrequired.Applicationcanbebyrolling,brushingorspraying.Caremustbetakenwhenpaintingthegrille.Avoidanypaintortypeofapplicationthatwillclogtheopencellsinthefoamofthefrontgrille.Dependingonthetypeofpaint,itmaynotbewisetospraythegrille.

�.Forpaintingsystemsthatareinstalledinenvironmentally-hostilelocations,itisrecommendedthatanautomotivepaintshouldbeusedformaximumprotection.

Note: for systems that will be transported on a regular basis, oil-based paints or Krylon-type spray paints will give better long-term results than water-based Latex type paints.

Page 12: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

1� VERTEC User’s Guide

SECTION6:SUSPENSION

Before attempting to suspend your speakers, read and understand the following safety information.

IMPORTANTSAFETYWARNING!

Theinformationinthissectionhasbeenassembledfromrecognizedengineeringdataandisintendedforinformationalpurposesonly.Noneoftheinformationinthissectionshouldbeusedwithoutfirstobtainingcompetentadvicewithrespecttoapplicabilitytoagivencircumstance.NoneoftheinformationpresentedhereinisintendedasarepresentationorwarrantyonthepartofJBL.Anyonemakinguseofthisinformationassumesallliabilityarisingfromsuchuse.

AllinformationpresentedhereinisbaseduponmaterialsandpracticescommontoNorthAmericaandmaynotdirectlyapplytoothercountriesbecauseofdifferingmaterialdimensions,specifications,and/orlocalregulations.Usersinothercountriesshouldconsultwithappropriateengineeringandregulatoryauthoritiesforspecificguidelines.

Correctuseofallhardwareisrequiredforsecuresystemsuspension.Carefulcalculationsshouldalwaysbeperformedtoensurethatallcomponentsareusedwithintheirratedworkloadbeforethearrayissuspended.Neverexceedmaximumrecommendedloadratings.

Beforesuspendinganyspeakersystemalwaysinspectallcomponents(enclosure,suspensiontubes,pins,etc.)forcracks,deformations,corrosion,missing,looseordamagedpartsthatcouldreducestrengthandsafetyofthearray.Donotsuspendthespeakeruntilthepropercorrectiveactionhasbeentaken.Useonlyload-ratedhardwarewhensuspendingVERTEC®DPSeriesloudspeakers.

SafetyPrecautions

Page 13: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

1�JBL Professional

AreYouNewtoRigging?Ifyouarenewtorigging,youshoulddothefollowing:

•ReadandstudyJBLTechnicalNoteVolume1,Number1�:BasicPrinciplesforSuspendingLoudspeakerSystems(availableathttp://www.jblpro.com/pub/technote/tn_v1n1�.pdf).

•KnowtheRulesforSafeRigging.

•Attendasaferiggingseminar,suchasthatpresentedbyprofessionalslikeRiggingSeminars™orby ChainMotorHoistmanufacturerslikeColumbusMcKinnonCorp.(manufacturersoftheC/MLodestar).

•Meetandestablisharelationshipwithalicensedmechanicalorstructuralengineer.Getinthehabitof askingthemquestionsinsteadofguessingabouttheiranswers.Learnfromwhattheytellyou.

•MeetanddiscussthisaspectofyourbusinesswithyourInsuranceAgent.

•Researchandunderstandthecodes,practices,andrequirementsinthevenueswhereyouintendto operateyoursoundsystem.

GeneralHardwareInformationAnyhardwareusedinanoverheadsuspensionapplicationmustbeloadratedfortheintendeduse.Generally,thistypeofhardwareisavailablefromriggingsupplyhouses;industrialsupplycatalogsandspecializedriggingdistributors.Localhardwarestoresdonotusuallystocktheseproducts.

AttachmenttoStructuresAlicensedProfessionalEngineermustapproveplacementandmethodofattachmenttostructurespriortoinstallationofanyoverheadobject.ThefollowingperformancestandardsshouldbeprovidedtotheProfessionalEngineerfordesignpurposes:UniformBuildingCodeasapplicable,MunicipalBuildingCodeasapplicable,SeismicCodeasapplicable.InstallationofhardwareandmethodofattachmentmustbecarriedoutinthemannerspecifiedbytheProfessionalEngineer.Improperinstallationmayresultindamage,injuryordeath.

RiggingHardwareInspection&MaintenanceSuspensionsystemsarecomprisedofmechanicaldevicesand,assuch,theyrequireregularinspectionandroutinemaintenancetoinsureproperfunctionability.JBLVPSeriesloudspeakersmustbeinspectedforfatigueatleastannually.Theinspectionshallincludeavisualsurveyofallcornersandloadbearingsurfacesforsignsofcracking,waterdamage,de-lamination,oranyotherconditionthatmaydecreasethestrengthoftheloudspeakerenclosure.AccessoryrigginghardwareprovidedwithorforJBLVERTEC®DPSeriesloudspeakersmustbeinspectedforfatigueatleastannually.Theinspectionshallincludeavisualmaterialsurveyforsignsofcorrosion,bendingoranyotherconditionthatmaydecreasestrengthofthefastener.Forotherfittingsused,refertothemanufacturer’sinspectionandmaintenanceguidelinesforprocess.

JBL is not responsible for the application of its products for any purpose or the misuse of this information for any purpose. Furthermore, JBL is not responsible for the abuse of its products caused by avoiding compliance with inspection and maintenance procedures or any other abuse. Prior to suspending the system, an expert, trained and experienced in flying loudspeaker systems should inspect all rigging parts and components.

Page 14: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

1� VERTEC User’s Guide

AllenProducts(56�)���-110016�5E.BurnettStreet SignalHill,CA90806www.allenproducts.comM.A.N.FlyingSystems�0SidarRoad BrookRoadIndustrialEstateRayleight,EssexSS67XFU.K.www.manfly.co.uk

JBLProfessional-TechNoteV1No.1�“BasicPrinciplesforSuspendingLoud-speakers”

www.jblpro.com/technote/tn_v1n1�.pdf

ATMFly-Ware(56�)���-110016�5E.BurnettStreetSignalHill,CA90806www.atmflyware.com

McMasterCarrVariouslocationsthroughtheU.S.A.Foralocationnearyou,visitthemonline:www.mcmastercarr.com

SafeRiggingTheJBLVERTEC®DPSeriesarrayableloudspeakersareequippedwithintegralsuspensionhardwareandshouldonlybesuspendedusingthesuppliedequipment.Thesystemisdesignedtofacilitatethesuspensionoftheloudspeakersbyaqualifiedpersonfamiliarwithrigginghardwareandindustrypractices.Improperinstallationmayresultindamage,injuryordeath.

WorkingLoadLimitTheworkingloadlimit(WLL)foranygroup(“array”)ofJBLVERTECDPSeriessystemproductsisnotedontheappropriateVERTECArrayFrame.

IndustryResources

VT�888-AFArrayFrame

Page 15: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

15JBL Professional

IntroductiontotheJBLDrivePackIntegratedAudioSystem

JBLDrivePackequippedloudspeakersareafamilyoffullyintegratedaudiosystems,couplingindustry-leadingloudspeakertechnologytoacombinationofcomprehensivedigitalsignalprocessingandadvancedamplifiertechnology,perfectlymatchedtotheenclosurestodeliversuperbaudioqualityandpowerfulperformance.

TheDrivePackisattachedtothebackofeachDP-compatibleloudspeakerenclosure,creatingaseamlesselectro-mechanicalsystemthatoffersbothconvenienceandportabilityalongwiththeunmatchedreliability,accuracyandsuperbsoundofJBLloudspeakers.TheDrivePackincludesonboardDSPfunctionalitytocommunicatereadinessandoperationalstatus,includingaself-testcycleandlightedindicatorsforfaultdetectionuponpower-up.

DrivePackSignal-Processing&AmplificationUnit

TheDrivePackelectronicsunitisintendedtobeusedwhenmountedtoaspeakerenclosureof5/8”minimumthicknessofwoodorcompositematerialandwithloadimpedancesof�Ohms,8Ohmsforlowandmidfrequencychannels,and8or16Ohmsforthehighfrequencychannel.

OPERATINGINSTRUCTIONS

AllthatisrequiredtogetyourDPcompatibleloudspeakersystemupandrunningistoconnectanACpowersourcetotheACPowermoduleviatheNeutrikPowerCon™inletconnector,andafullrangelinelevelaudiosignaltotheInputmoduleviatheAUDIOINXLRconnector.

Uponinitialpower-upoftheDrivePack,theBluePowerLEDwillilluminateandtheGreenDPReadyindicator(locatedtotheleftoftheinputmoduleinputlevelcontrol)willflashduringtheboot-upandAClineauto-selectsoft-startprocess.TheJBLDrivePackisequippedwithAuto-SensingUniversalACVoltageSelectionandcanoperateanywhereintheworldthathasanavailable100-1�0VACor�00-��0VACpowersource.Onthepower-upsequencetheJBLDrivePack®inputmodulesenseslinevoltageandsetsthehighvoltagelineselectrelaywithinabout�seconds.ThesystemisreadyforoperationwhentheGreenReadyLEDonboththeACInputmoduleandDPIPmoduleissteadilyilluminated.

SECTION7:JBLDRIVEPACK®TECHNOLOGY

Page 16: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

16 VERTEC User’s Guide

ACPOWERREQUIREMENTS

StandardJBLDrivePacksystemsareequippedwithaDPmulti-channelCrownClass-IpoweramplifierandloudspeakerspecificDSPelectronicsandrequireappropriateACpower.

CAUTION:Incompliancewithsafetyagencycriteriaandpropersystemoperation,itiscriticalthatthesysteminstallerobserveallelectricalsafetypracticesatalltimesandprovideproperearthgroundingforallACPowerconnections.

ACPOWERCORDKIT

Convenience1�0VACNorthAmericaNEMA5-15EdisontypeACplugtoPowerCon®connectorand��0VEuropeCEE7/7SchukotypeACplugtoPowerConconnectorcordsetsareprovidedwiththisJBLDrivePackproductforlight-dutyshoptestingorsystemconfigurationtypeuse.

OnesparegrayNeutrik(P/NNAC�FCB)PowerConconnectorisincludedintheACPowerCordSetforyourconveniencetocreateapass-throughACpowercable.Tocreateapass-throughcablethesysteminstallermaychoosetosimplycutofftheACplugfromoneoftheprovidedACcordsetsandreplaceitwiththeprovidedGrayPowerConACOutletconnector.FollowthewiringconventionindicatedinTable1.NOTE:Tightensetscrewsto�.5Nm(1.8lb-ft)torquetopreventopeningbyhand.

USER-FABRICATEDACPOWERDISTRIBUTION

SystemownersmaychoosetofabricateorpurchaseacustomACPowercableinfrastructureoptimizedfortheirspecificJBLDrivePacksystemconfiguration.SeeTable1forcustomapplicationwiringandconnectorinformation.NOTE:Partsnotprovided.

CAUTION:Donotexceed80%currentratingofanyACconnectoratanytime!SeeTable�forcurrentdrawinformation.

Table1.User-FabricatedACCableandConnectorInformation

ACInletCableConnector NeutrikPowerCon®NAC�FCAquicklock�-poleA-typecableconnectorforpowerinlet.Ratedcurrentpercontact:�0A(rms),RatedVoltage:�50VAC.

ACOutletCableConnector NeutrikPowerCon®NAC�FCBquicklock�-poleB-typecableconnectorforpoweroutlet.Ratedcurrentpercontact:�0A(rms),RatedVoltage:�50VAC.

Wiring Cable:screw-typeterminalsorsolderingnom.wiresize/contact:�.5mm²/1�AWG

Wiringconvention Ground–Ground,Neutral–Neutral,ACHot–ACHot

Withthetwonon-interchangeabletypesofconnectors(A-type,B-type)itisimpossibletoproduceashortcircuit.Matingconnectors(combination)areidentifiedbymechanicalkeywaysandbycolor.

Table2.PowerConnectorCoding

A-type(POWERINLET); Cableconnector:Blue

B-type(POWEROUTLET) Cableconnector:Gray,withBluebushing

Page 17: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

17JBL Professional

Page 18: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

18 VERTEC User’s Guide

ACPowerModulePOWERIndicator:BlueLED–locatednearpowerinletlightswhenACpowerisapplied.

AmpREADYIndicator:GreenLEDnearpowerinlet,ONduringnormaloperation,longpulseduringsleepmode.

SleepMode:Ifaudioinputsignalsarenotdetectedfor�hours,theamplifierwillgointosleep/standbymode;theamplifieroutputsectionisturnedoffwhilethesupplypoweringtheDPInputModuleandDSPlogicremainsactive.Thismodereducescurrentdrawandheatloss.WhileinsleepmodetheREADYindicatorpulsesslowly.Recoveryfromsleepmodeisinstantaneouswhenanaudiosignalisdetected.

ThermalManagement:JBLDrivePack®systemsarecooledbyPassiveConvection.Nofansareusedinanypartofthethermalmanagementsystem.TomaintainefficientcoolingitisagoodpracticetoassureopenspacearoundtheDrivePackunits.

OperatingTemperature:Thesystemwillremaintouchableduringquiescentoperationandwillnotprovideaburnhazardduringanyoperatingcondition.

InputModuleControls,IndicatorsandConnectorsJBLDrivePack®systemsareequippedwithamodularinputbayandinputmodulesareavailableinthreeversionsintheVERTECDPSeries:theDPIP,DPANandtheDPCN.

AudioSignalDistributionConnectingsourceaudiosignalstotheinputmodulesonJBLDrivePacksystemsissimilartodaisy-chainingmultipleexternalamplifierchannelstogether.

Assuminganoutputdevicesourceimpedanceof100Ohmsanda10:1loadtosourceratio,upto�0JBLDrivePackunitstypicalcanbelinkedtogetherononeoutputsourcewithoutusingadistributionamp.

NOTE:PleaserefertoVERTECDPSeriesspecsheetsforadditionalfeaturesandspecificationsoftheDPIP,DPANandDPCNinputmodules.

Page 19: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

19JBL Professional

Figure 1a

DPIP–BasicInputModuleSee Figure 1a

TheBasicDPIPinputmodulefeaturesanalogaudioinputsandsophisticatedonboarddigitalsignalprocessingtechnology.PrecisionBandpasslimiting,pre-equalizationfiltersandautomaticself-testfunctionsensureoptimizedperformance.JBLengineershavecalibratedDSPspeakermanagementandlimiterparameterstoinsuresmoothphaseresponseandtransferfunctioncurvesrightoutofthebox.

CONTROLS

1)SubwooferFilterEnableSelectSwitch a)Momentary,Enablesordisablesthe

selectedfunction.Onsubwooferapplicationsthelow-passfrequencyissetto80Hzandforfullrangesystemsthehigh-passisraisedto80Hz.(Kneeshapeandslopesaremodeldependent).

7)InputSensitivity/AttenuationControl: a)16dBPrecisionDetentedrotarycontrol,

0.5dBsteps.Sensitivity+�dBunominal(+��dBuclip)withthecontrolfullycounterclockwise,and-10dBvnominal(+�dBuclip)withthecontrolfullyclockwise.

INDICATORS

2)SubwooferFilterEnable a)OrangeLED,illuminateswhenthe

functionisenabled.

3)FAULT a)RedLED,illuminatesduringany

faultcondition.

4)THERMALPROTECTION a)OrangeLED,illuminatesduring

thermallimiting:ai)PULSINGindicatesfirststageofthermallimiting,amplifieroutputlevelisreducedtopreventoverheating.aii)FLASHINGindicatestransducerthermallimitshavebeenexceeded.Furtherreductioninoutputlevelisapplied.aiii)SOLIDilluminationindicatesthermalprotectionisinthethirdstageofprotectionandamplifiershutdownmayoccurifimmediateactionisnottakentocorrecttheexternalreasonforexcessiveheatingoftheamplifier.

5)Ready a)GreenLED,illuminateswhenthesystemis readyforoperation.

6)SIGNAL/CLIP a)(Signal)GreenLED,detectsinputsignalabovethethresholdsetat–70dBu.b)Yellowindicates

thattheaudiodrivesignalhasexceededlimitspresetinDSPonanychannelandcompression/limitingisactive.c)(Clip)RedLED,Clipdetectionmonitorsinput,DSP,andeachamplifieroutputchannel.TheLEDchangesfromGreentoRedwhenclippingTHDatanypointisdetected.

CONNECTORS

8)AudioIn a)F-XLRActive�0KOhmBalanced,10KOhmUnbalanced. b)Pin�Hot(PositivevoltageproducesoutwardconemotionofL.F.Transducers).

9)AudioOut a)M-XLRPassiveAudioPass-through. b)Pin�Hot(PositivevoltageproducesoutwardconemotionofL.F.Transducers).

Page 20: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�0 VERTEC User’s Guide

DPDA–HiQnetNetworkedInputModulewithAESDigitalAudio

andBSSOmnidriveHDSignalProcessing See Figure 1b

TheDPDAInputModulecanbeusedasaretro-fittablesub-assemblywithanyJBLDrivePack-equippedspeakersystem.UpgradingtotheDPDAmoduleprovidespoweredloudspeakersystemuserswithAES/EBUdigitalaudiocapabilities,thesonicbenefitsofadvancedsignalprocessingfeatures,andavarietyofinputandconnectivityoptions.

Itsonboard100MbEthernetnetworkingswitchwithdaisy-chaincapabilityallowsforRemoteControlandMonitoringviaHiQnetSystemArchitect™software.Additionally,arotarymechanicalencoderswitchallowsforarrayidentificationandboxpositioning,upto99differentspeakerpositionswithineachof99differentspeakerarraysorgroups.

Twenty,type-selectableinputfilters(10Systemand10Guestfilters)areavailableforsystemequalizationalongwithuser-adjustableinputdelayofupto�secondsandsubfilteraccess(user-adjustablelowpassfilterforsubwoofersystems;highpassfilterforfull-rangesystems).Signalgeneratorfunctions(sinewave,swepttone,pinkorwhitenoise)areavailabletofacilitatesystemtestinganduptofiftypresetscanbestoredinternally.

Inaddition,MasterControlPanelsandMasterMonitorPanelswithinSystemArchitectsoftwareallowforconvenientgroupingofcontrolandmonitoringfunctionsformultipleJBLDrivePackenclosureswithDPDAinputmodules.Thisfunctionalityprovidesapowerfulremotecontrol/monitoringinterfacethatisespeciallyusefulwhenworkingwithlargermulti-boxlinearrayorsubwoofersystems.

TheHiQnetSystemArchitect™softwareuserinterfaceprovidesremoteaccesstothecontrols,displaysanddigitalspeakerpresetfilesavailableintheJBLDrivePack®SoftwareControlPanel

INDICATORS

1)CROSSPATCH Ifactive,AESaudioandHiQnet/networkis

daisy-chainedviaEthercon/RJ�5outconnector.

2)AESLOCK Ifactive,indicatesAESsynchasbeendetectedand inputcardhaslockedtoit.

3)FAULT RedLEDilluminatesduringanyfaultcondition.

4)CLIP RedLEDindicatesclippingatanypointisdetected.

5)SIGNAL GreenLEDindicatesadetectedinput signalabovethethresholdsetat–70dBu.

6)OVERTEMP OrangeLEDilluminatesduringthermallimiting:

7)READY GreenLEDilluminateswhenthesystemisreadyfor operation.

8)DATA YellowLEDindicatesnetworkactivity

CONTROLS

9)ENABLEALTPRESET a)Pressandholdfor�seconds.

b)WhenLEDisactive,thealternatepresetwith80Hzhighpasshasbeenrecalledorloaded.

Onsubwoofers,thepresetwith80Hzlowpassisrecalled.

Figure 1b

Page 21: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�1JBL Professional

10)ARRAYIDMECHANICALENCODER

a)If“00”,thesoftwarewillautomaticallydeterminethearrayIDsastheyarewired.

b)Usercanmanuallysetallspeakerstobeinthesamearrayorclusterviatherotarydial.

11)LOUDSPEAKERPOSITIONIDMECHANICALENCODER

a)If“00”,thesoftwarewillautomaticallydeterminethepositionofthespeakerswithinthearrayviatheir networkinterconnections(speakersmustbedaisy-chainedforsoftwaretodeterminetheirlocation).

b)Usercanmanuallydeterminethepositionofthespeakerswithinthearrayviatherotarydial.

Note:ArrayID/LoudspeakerIDExamples

ExampleA:“0000”wouldbecompleteautoIDmode.

ExampleB:“0101”wouldbeArrayID#1,speakeronposition#1(top)etc.

CONNECTORS

12)NETWORK100MBACTIVITYOUTBOUND

TheOrangeActivityLEDindicatesactivityontheoutboundEtherconconnection.

13)NETWORK100MBACTIVITYINBOUND

TheOrangeActivityLEDindicatesactivityontheinboundEtherconconnection.

14)AUDIOOUT

a)Analogmode:passivepassthrough

b)AESmode:110ohms,buffered

15)AUDIOIN

a)Analogmode:Balanced,�0Kohmsinputimpedance

b)AESmode:Differentiallybalanced,110ohmsinputimpedance

Page 22: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�� VERTEC User’s Guide

DPAN–HiQnetNetworkInputModule,AnalogAudiowithNetworking See Figure 1c

TheDPANinputmodulefeaturesanalogaudioinputsandsophisticatedonboarddigitalsignalprocessingtechnology.Precisionbandpasslimiting,pre-equalizationfiltersandautomaticself-testfunctionsensureoptimizedperformance.Inaddition,theDPANinputmoduleadds100MbEthernetnetworkingfunctionalityandHiQnetcompatibility.ItenablesremotecontrolandmonitoringviaHiQnetSystemArchitect™software.NetworkControlandMonitoringisenabledbytheJBLDP-DCP(DrivePackDeviceControlPanel)suppliedwithinHiQnetSystemArchitect.Networkcapabilitiesincludemonitoringofstatus,inputandoutputlevels,clipping,temperature,loadfaultsandgainreduction.Additionalcontrolfeaturesavailableinsoftwareincludeloadsupervision,dynamicprocessing,teninternaluserdefinedpresets,delays,onboardnoiseandsine-wavegenerators,networkdeviceeventlogging,anduseralertmessaging.

CONTROLS

1)ENABLEALTPRESETbutton a)Momentary,EnablesorDisablestheselected

function.FactoryALTPreset:Onsubwooferapplications,thesubwooferlow-passfilterfrequencyissetto80Hzandforfullrangesystemsthehigh-passisraisedto80Hz.(Kneeshapeandslopesaremodeldependent).

InternalControls-InputSensitivity�-PositionSwitch:Locatedonthebacksideofthefrontpanel,fulloutputisachievedbyselectingeither+�dBuinonepositionor+�0dBuintheotherposition.SwitchpositionsaremarkedwithsilkscreenonthePWB.

NOTE:Productisshippedfactorysettothe+�0dBuswitchpositiontoprovideoptimalinputgainstructureandheadroomformostprofessionalaudioequipment.Changingthesensitivityswitchtothe+�dBusettingisnotrecommendedunlessconnectionto-10dBVequipmentisrequired.

INDICATORS

2)ENABLEALTPRESET a)OrangeLEDilluminateswhenthefunctionisenabled.

3)FAULT a)RedLEDilluminatesduringanyfaultcondition.

4)THERMALProtection a)OrangeLEDilluminatesduringthermallimiting:

ai)FLASHINGindicatesfirststageofthermallimiting,amplifieroutputlevelisreducedtopreventoverheating.

aii)SOLIDilluminationindicatesthermalprotectionisinthesecondstageofprotectionandamplifiershutdownmayoccurifimmediateactionisnottakentocorrecttheexternalreasonforexcessiveheatingoftheamplifier.

5)READY a)GreenLED,illuminateswhenthesystemisreadyforoperation

6)SIGNAL/CLIP a)(Signal)GreenLED,detectsinputsignalabovethethresholdsetat–70dBu b)(Clip)RedLED,Clipdetectionmonitorsinput,DSP,andeachamplifieroutputchannel.TheLED

changesfromGreentoRedwhenclippingTHDatanypointisdetected.

Figure 1c

Page 23: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

��JBL Professional

11)NETWORK100MBACTIVITY a)TheActivityLEDindicatesdataactivityonthenetworkline.

12)NETWORK100MBLINK a)TheLINKLEDindicatesthatthedataisat100Megabits.

13)DATA a)YellowLEDFlashesforreceiveddatapacketaddressedtothisDPANdevice.

CONNECTORS

XLRconnectorsallowconnectivitytoananalogaudiosource.Thisinputcanbeusedasaback-uptoCobraNet®orasaprimaryaudiosourceintheabsenceofCobraNet®.

8)AUDIOIN a)F-XLRActive�0KOhmBalanced,10KOhmUnbalanced. b)Pin�Hot(PositivevoltageproducesoutwardconemotionofL.F.Transducers).

9)AUDIOOUT a)M-XLRPassiveAudioPass-through. b)Pin�Hot(Positivevoltageproduces outwardconemotionofL.F.Transducers).

10)HiQnet100MBNETWORKConnector a)ThenetworkconnectorisastandardRJ-�5connectorthatallowstheDPANtoconnecttoan

Ethernetnetwork.ConnectionismadeusingastandardCategory5cabletoanetworkswitchport.

MACADDRESSWINDOW 14)TheMACaddressisaunique1�digithexadecimalhardwareaddressassignedtoeverynetwork

devicebythemanufacturerandisnotchangeablebytheuser.Thisuniquephysicaladdressenableseachdeviceonthenetworktoidentifyandcommunicatedirectlywithotherdevicesconnectedtothenetwork.

Page 24: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�� VERTEC User’s Guide

DPCN–OptionalHiQnetNetworkInputModulewithCobraNet™DigitalAudio See Figure 1d

InadditiontoallfeaturesincludedontheDPAN,theDPCNinputmoduleaddsCobraNetandofferstheabilitytodirectupto6�audiochannelsononenetwork,withdigitalaudioandremotecontrolandmonitoringviaEthernetcombinedonasinglecable.

DPCNmodulesincludetheoptiontouseananaloginputasabackupaudiosourceprovidingcompletereliabilityandflexibilitytocoveranysituation.

TheHiQnet System Architect™softwareuserinterfaceprovidesremoteaccesstodigitalspeakerpresetfilesintheJBLDrivePack®.AswiththeDPAN,user-addressablefeaturesincludetenuserdefinedpresets,upto�secondsofdelayperchannel,onboardnoiseandsine-wavegenerators,networkdeviceeventlogging,anduseralertmessaging.

CONTROLS

1)ENABLEALTPRESETbuttonMomentary,Enablesordisablestheselectedfunction.FactoryALTPreset:Onsubwooferapplicationsthesubwooferlow-passfilterfrequencyissetto80Hzandforfullrangesystemsthehigh-passisraisedto80Hz.(Kneeshapeandslopesaremodeldependent).

2)INTERNALCONTROLS-Internal+�dBuor+�0dBusensitivityselectswitch.SeeNOTEonDPANfordetails.

INDICATORS

2)ENABLEALTPRESET a)OrangeLED,illuminateswhenthe functionisenabled.

3)FAULT a)RedLEDilluminatesduringanyfaultcondition.

4)THERMALProtection a)OrangeLEDilluminatesduringthermal

limiting:SeeDPANfordetails.

5)READY a)GreenLEDilluminateswhenthesystemis

readyforoperation.

6)SIGNAL/CLIP a)(Signal)GreenLEDindicatesadetectedinput

signalabovethethresholdsetat–70dBu.b)(Clip)RedLEDindicatesclippingatanypointisdetected.

11a&11b)CobraNet™NETWORK100MBACTIVITY a)TheActivityLEDontheRJ-�5connectors

displaynetworkinformationconcerningtheEthernetandCobraNet™connections. ai)FlashingGreenindicatesnetworkactivity. aii)FlashingOrangeonActivityandLinkLEDs

simultaneouslyindicatesanetworkFAULT.

12a&12b)NETWORK100MBLINK

a)TheLINKLEDontheRJ-�5connectorsdisplaysnetworkinformationconcerningtheEthernetandCobraNet™connections. ai)SolidOrangeindicatesthedeviceislinkedtoaCobraNet™Network. aii)FlashingOrangeontheLINKindicator-onlyindicatesthisdeviceistheCobraNet™Conductor. aiii)FlashingOrangeonActivityandLinkLEDssimultaneouslyindicatesanetworkFAULT.

Figure 1d

Page 25: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�5JBL Professional

13)DATA a)YellowLEDFlashesforreceiveddatapacketaddressedtothisDPANdevice.

CONNECTORS

XLRconnectorsallowconnectivitytoananalogaudiosource.Thisinputcanbeusedasaback-uptoCobraNet™orasaprimaryaudiosourceintheabsenceofCobraNet™.

8)AUDIOIN a)F-XLRActive�0KOhmBalanced,10KOhmUnbalanced,PIN�HOT.

9)AUDIOOUT a)M-XLRPassiveAudioPass-through.

10a&10b)CobraNet™PRIMARYandSECONDARYNETWORKCONNECTORSa)ThedualRJ-�5CobraNet™connectorsallowaPrimary&Secondaryconnectiontothe100MbEthernet

networkandprovidedevicecontrolandmonitoringaswellasCobraNet™digitalaudioonthesameCAT5cable.ShouldthePrimaryconnection(10a)loseLinkactivitywiththenetwork,theDPCNwillautomaticallyswitchtotheSecondaryconnection(10b)toensureuninterruptedaudioandcontrol/monitoring.UsethePrimaryconnectorasyourmainCobraNet™andEthernetport.

NOTE:ThesedualRJ-�5connectorsCANNOTbeusedtodaisy-chainEthernetcables.AnexternalEthernetSwitchisrequiredto“distribute”Ethernetconnections.SeeSection7fordetails.

MACADDRESSWINDOW

14)TheMACaddressisaunique1�digithexadecimalhardwareaddressassignedtoeverynetworkdevicebythemanufacturerandisnotchangeablebytheuser.Thisuniquephysicaladdressenableseachdeviceonthenetworktoidentifyandcommunicatedirectlywithotherdevicesconnectedtothenetwork.

Page 26: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�6 VERTEC User’s Guide

ProtectiveJacketsforInputandACPowerModulesEachVERTECSeriessystemissuppliedwithapairofprotectivejacketsthataredesignedtofitsnuglyontotheinputandACpowermodulesoftheDP�orDP1electronicsassembly.Thesejacketsaremadeofreinforced,weatherizednylonfabricwithVelcroattachmentstripsanddrawstringstosecuretheopeningonceinstalled.Theycanbeusedbythesystemoperatororinstallertoprovideadegreeofprotectionfromdirt,dust,andmoistureandtoprotectcablesandconnectors.

ProtectiveJacketInstallationComplieswithIEC605�9-IPX-�,notevaluatedforoutdooruse.

1.Removetwoprotectivejacketsfromtheprotectivejacketkit.Toinstall,openthejacketby“unzipping”theVelcrostripandlocatetwosmallerVelcrotabsontheinsideofthejacket.See Figure 1

�.OpenthecenterVelcrotabandinsertthroughtheopeninginthemoduleriser.See Figure 2

�.Next,wraptheleftsideofthecoveraroundthebottomedgeoftheriser.Insurethatthebottomofthejacketistuckedintotheriserringcrevicebetweenthetopofthechassisandthebottomoftheriserringrim.See Figure 3.

�.PullthesecondVelcrotabthroughthesecondopeningintheriserring.See Figure 3

Figure 1

Figure 2

Figure 3

Page 27: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�7JBL Professional

5.WraptheoppositeendoftheopenjacketaroundtheriserringasshowninFigure 4.Becertainthatthebottomoftheprotectivejacketistucked-inallthewayaroundtheriserringasshown.

6.“Zip”uptheVelcrostripandpullthedrawcordclosedasrequiredasshowninFigure 5.Theprotectivejacketshouldnowbesecurelyfastenedallthewayaroundtheriserringatthebottomandtopendofthejacketandshouldbeclosedsecurelyformingaprotectiveclosurearoundtheconnectorpanel.

7.Repeattheprocessfortheotherconnectorpanel.

Figure 4

Figure 5

Page 28: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�8 VERTEC User’s Guide

TheVERTECDPSerieshasoptionaladvancednetworkcontrolcapabilitieswiththeDPAN,DPCNorDPDAinputmodules.VERTECDPSeriesloudspeakersystemssoequippedutilizeHarmanProfessional’sHiQnet™protocoltoenableacompleteconfiguration,control,andmonitoringsolution.HiQnetprotocolprovidesremoteaccesstoloudspeakerpresetfilesintheJBLDrivePack®inputmodulesmakingsystemsetupeasyyetpowerful,viatheDrivePackSoftwareDeviceControlPanelwithitsintuitive,user-friendlygraphicalinterface.HiQnetSystemArchitect™providescompletesoftwarecontrolofnotonlyyourJBLDrivePack-equippedloudspeakers,butalsootherHiQnet-compatibleaudiocomponentswithinthetotalsystem.

Itisrecommendedtovisitwww.harman.comforthemostuptodateversionofHiQnetSystemArchitect.

QUICK-STARTCONFIGURATIONGUIDEForJBLDrivePack-equippedloudspeakerSystemsusingSystemArchitectsoftware

INTRODUCTION:

ThisguideappliestoallJBLloudspeakermodelspoweredbyDrivePackDP1,DP�orDP�amplifierassemblieswhichincorporateDPAN,DPCNorDPDAinputmodules.

Eachloudspeakermustbeconnectedtoa100BaseTEthernetswitchusingastandardCAT-5cable.LoudspeakerswithDPDAinputmodulescouldalternativelyuseoneCAT-5-to-switchconnectionpercluster.ThecontrolcomputerwhichwillrunSystemArchitectmustalsobeconnectedbya100BaseTconnectiontoaswitchonthesamephysicalnetwork.

IfmanagedEthernetswitchesareapartofthenetwork,additionalknowledgeofTCP/IPprotocolsandEthernet-switchmanufacturer-specificconfigurationsmayberequired.Thisisbeyondthescopeofthisdocument.Itisassumedthatunmanagedswitchesareusedinthenetworkingexamplesdiscussedbelow.

SpecialrequirementsexistforCobraNet™-compliantproductsusingtheDPCNinputmodule.ThisisaddressedinAppendixA.

AGlossaryofnetworkingterminologyusedisprovidedattheendofthisdocument.

AS-SHIPPEDETHERNETCONFIGURATION:

EachloudspeakerproductisshippedfromtheJBLfactorywiththefollowingconfiguration:-DHCPisenabled.(Seeglossaryfordetails)-AutoIPaddressnegotiationisenabled(Seeglossaryfordetails)-AutoHiQnetdevicesettingisenabled.(Seeglossaryfordetails)-ThedefaultIPaddressforallproductsshippedis169.�5�.1�7.1withsubnetmask�55.�55.0.0

QUICK-START:CONFIGURINGYOURPCWITHSYSTEMARCHITECT™SOFTWARE:

Step1)InstallSystemArchitectsoftwareontheMicrosoftWindows�000orXP-equippedcomputerthatwillcontrol/monitortheHiQnet™-compliantproducts.

Step�)NotethatSystemArchitectwillonlydisplaygraphicscorrectlywhentheWindowsPCdisplayissettostandard,smallfontsize.IfWindowsissetto“large”fonts,thenthedisplayswithinSystemArchitectmaybecomeunreadable.TocorrectthisproblemchangeWindowstothestandardfontsize.(SeeAppendixBfordetails)

Step�)NotethatSystemArchitectwillonlydisplaygraphicscorrectlywhentheWindowsPC.RegionalandLanguagesettingsaresettostandardUSEnglishlanguage.IfWindowsissettoanylanguageotherthanUSEnglish,objectsincustomcontrolpanelswillnotdisplayorfunctionproperly.TocorrectthisproblemchangeWindowstothestandardfontsize.(See Appendix C for details)

Step�)IfyouareusingaCobraNet™-compatibleproductseeAppendixAforspecialinstructionsnowbeforeproceedingfurther.

SECTION8:SYSTEMARCHITECTSOFTWARE

Page 29: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�9JBL Professional

QUICK-START--CONNECTINGPCTOAJBLHiQNetDEVICEFORTHEFIRSTTIME:

IfthisyourfirstexperienceconnectingacontrolcomputerrunningSystemArchitecttoaHiQnet-compliantJBLproduct,thenthisinitialtestconfigurationwillbeuseful.Itwillgreatlyhelptoresolvesimplenetworkingissuesbeforeyouconnecttomultipledevicesorconnecttoalargernetwork:

Step1)Connectonenetworkedloudspeakertoanunmanaged100BaseTnetworkswitchwithastandardCAT5cable.Don’tapplyACpowertotheloudspeakerjustyet.

Step�)ConnectthecontrolcomputertotheEthernetswitchwithastandardCAT5cable.

SettingupaSimpleIsolatedEthernetNetworkUsingDHCP

InthisconfigurationDHCPwillautomaticallyassignanIPaddresstothedeviceonthenetworkandyourcomputer.

Step1)OpenNetworkConnectionsonyourcomputerandconfirmthatDHCPisEnabled.TodothisclickStart,pointtoSettings,clickControlPanel,andthendouble-clickNetworkConnections.WhenyourNetworkConnectionsWindowopens,doubleclickontheLocalAreaNetworkicon.ALocalAreaConnectionsStatuswindowwillopen.ClickonthePropertiesbuttonandtheLocalAreaConnectionPropertieswindowopen.Nextscrollthroughtheitemswindow,selecttheInternetProtocol(TCP/IP)itemandclickonthePropertiesbutton.TheInternetProtocol(TCP/IP)Propertieswindowwillopen.Selectthe“ObtainanIPaddressautomatically”option.ClickOKthroughallyouropennetworkwindowstoclosethem.

Step�)ApplypowertoyourJBLDrivePackandwaitforittobootup.WithDHCPenabled,theDrivePackandyourcomputershouldbothautomaticallynegotiateanIPAddress.

Step�)LaunchSystemArchitect.TheDrivePacksystemshouldappearintheVenueViewwithinafewminutes.

Step�)Ifnothingcomesup,youshouldfirstcheckthatyourSystemArchitect™applicationhasthe‘NetworkActiveonstart-up’and‘AutoPopulatevenueviewwithdetecteddevices’boxeschecked;thesearefoundintheApplicationButton(QButton)underoptions.

Step5)IfAutoPopulateischeckedandthenetworkisactive(lookatthenetworkstatusiconlocatedatthebottomleftcorneroftheVenueViewwindow)andthedevicesarestillnotshowingintheVenueView,selecttheReaddressDeviceswizardintheToolsmenuandchangetheIPaddressofthedevicessotheycanbeonthesamenetworkasyourcomputer.

SetupwithaStaticIPaddress

Step1)GobackthroughStep1above,exceptselect“UsethefollowingIPAddress:’option.

Step�)ChangetheTCP/IPaddressofthecontrolcomputerto169.�5�.1.yandchangethesubnetmasksetto�55.�55.0.0.

Note:Theplaceholder“y”inthelastsegmentoftheIPaddressrepresentsanumberanywhereintherangeof1to�5�.TheonlyrequirementinyournumberselectionisthatnotwodevicesonthesamenetworkcansharethesameIPaddress.DependinguponPCoperatingsystemconfigurationarebootmaybeneedednow.

Step�)AvoidconnectingtheswitchtoanyotherEthernetequipmentotherthanthePCandtheloudspeakerjustyet.You’recreatinganetworkwithonlytwodevices--thePCandtheloudspeaker.Thisisusefulforafirsttestasitavoidsanyadditionalnetworkingconfigurationissues.

Page 30: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�0 VERTEC User’s Guide

Step�)NowlaunchSystemArchitectinWindows.OnceyouseetheVenueViewofSystemArchitectappear,thenproceedasfollows.

Step5)VerifythattheHiQnet™networkisactivebyobservingtheOnline/OfflinestatusiconlocatedatthetopleftoftheVenuewindow.Theiconshouldindicateagreencolorand“GoOffline.Ifitshowsinactivestatus,doubleclickontheiconandthenetworkwillactivate.

Step6)Poweruptheloudspeakerconnectedtothenetwork.RecheckthenetworkstatusandverifythattheHiQnetnetworkisActive.TheloudspeakerwillautomaticallydetermineanIPaddressandaHiQnetAddress.Thiscanrequireupto�minutesinsomecases.OncecompletedanIconinthevenueviewwillappearrepresentingtheJBLLoudspeakersystemconnectedtothenetwork.

Step7)Nowdouble-clickontheJBLloudspeakertoseetheproductspecificcontrolpanelwithinSystemArchitect.FromhereyoucancontrolandchangeparametersandconfigurationoftheJBLloudspeakerasrequired.

ALTERNATEQUICK-START--USINGSYSTEMARCHITECT’SREADDRESSINGWIZARD:

Step1)OnceyouhaveconnectedandpowereduponeDrivePackdevicetothenetwork,verifythattheHiQnetnetworkisactivebyobservingtheOnline/OfflinestatusiconlocatedatthetopleftoftheVenuewindow.Theiconshouldindicateagreencolorand“GoOffline”.Ifitshowsinactivestatus,doubleclickontheiconandthenetworkwillactivate.

Step�)OntheribbontoolbarofSystemArchitect™,clickonToolsandthenselectReaddressDevices.Thewizardwillopenup.ClickonNexttogotothenextscreen.

Step�)Thewizardwilldetectthedeviceonthenetworkandadeviceiconappearsinthewizardwindow.SelectitandthenclickontheConfigurebuttonatthebottomofthescreen.

Step�)The‘ConfigureNode’windowwillopen.Uncheckthe‘UseDHCP”buttonandverifythatthe‘ReaddressAutomatically’boxatthetopofthescreenisunchecked.

Step5)ExitthewizardbyclickingonFinish.

Step6)TheJBLloudspeakersystemwillhaveappearedintheSystemArchitectVenueviewbythistime.Nowdouble-clickontheJBLloudspeakertoseetheproduct-specificdevicecontrolpanelwithinSystemArchitect.FromhereyoucancontrolandchangeparametersandconfigurationoftheJBLloudspeakerasrequired.

WORKINGWITHANETWORKOFMULTIPLEJBLDEVICES:

NetworkSetupwithDHCP

WiththecomputersettoDHCPEnabled,connectdevicestothenetworkandapplypowertodevicesoneortwoatatime.ThedevicesshouldAUTO-IPandpopulateVenueViewastheyarediscoveredbythenetwork.Iftheydonotorseemtotaketoolongtocomeuponthenetwork,gobackanduseStaticIP.

StaticIP

Step1)AftercompletingthequickstartprocedurewithoneDrivePackdevicegobackandverifythatthehostPC’sStaticIPaddressissettoanaddressintheautoIPrange,suchas: IPAddress: 169.�5�.1.Y(Yisanumberbetween1and�5�) SubnetMask:�55.�55.0.0

Page 31: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�1JBL Professional

Step�)WithSystemArchitectrunninginWindows,poweruptheremainingloudspeakersconnectedtothenetworkoneortwoatatime.SystemArchitectwillautomaticallydetermineanIPaddressandaHiQnetAddressforeachloudspeakeronthenetworkassumingthedevicespopulatingthenetworkarenewunits(DHCPENABLED).Thiscanrequireupto�minutesinsomecases.OncecompletedanIconinthevenueviewwillappearrepresentingtheJBLLoudspeakersystemconnectedtothenetwork.

Step�)IfSystemArchitectfailstorecognizenetworkdeviceswithinabouttwominutes,makesureallofyourconnectionsaregoodandverifyIPaddressing.LaunchtheReaddressDeviceswizardandrepeatsteps�-�intheaboveprocedure.

DISABLEDHCP/AUTOHIQNETADDRESSINSYSTEMARCHITECT™:

Step1)Clickonanypreviousiconsshowinginvenueview,andpresstheDeletekey.

Step�)SelectTOOLS->ReaddressDevices,clickNEXT

Step�)ThemastercomputershoulddiscovertheHiQnet™productspowereduponthenetwork.Ifnot,pleasemakesureallofyourconnectionsaregoodandverifyIPaddressing.

Step�)Oncethewizardhaslaunchedandfounddevicesonthenetwork,selectasinglecomponent(Itwillhighlight)-clickontheCONFIGUREbuttonlocatedonthebottomofthewindow.

Step5)SystemArchitectwillhavedetectedthedevice,automaticallyassignedaHiQnetaddressanddisabledthe“ReaddressAutomatically”function.YoucanmanuallyassignaHiQnetaddressifdesired.Step6)Un-checktheboxlabeled“UseDHCP”Step7)TheIPAddressentryboxwillun-dim.

Step8)IntheSetAddresswindow,setupaStaticIPaddress—TheIPaddressconsistsofasetof�three-digitnumbersseparatedbyadotandmustbeunique.NetworkwizardwillhavealreadyassignedanIPaddressinthe169.�5�.X.Yrange.YoucanstartbyleavingtheIPaddressassignedbynetworkwizardorperhapsjustchangetheX(third)numbersegmentvaluetothesamenumberinalldevices.Startwithanaddressforexample169.�5�.1.Y.EnterthesamenumbersetsintheSubnetmaskfieldforallofthecomponentsaswellasthemastercomputer.SettheHiQnetaddressoneachdevicesequentially.YoucanchangetheIPaddresstoacompletelyuniquerangeatalatertime,forexample1�6.1�6.0.Yor19�.168.1.Yetc.YoumaywanttocreateanetworksystemlogandwritedownallofyourdeviceIPaddressesinyourlogforfuturereference.

Step9)ClickOK.TheConfigureNodewindowwillclose.

Step10)Repeattheprocedureforallremainingdevicesonthenetwork.

Page 32: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�� VERTEC User’s Guide

Page 33: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

��JBL Professional

AutoHiQnetAddress:Whendevicesbootup,SystemArchitectsoftware,whenconfiguredtodoso,willautomaticallynegotiateandassignauniqueHiQnet™addresstoeachdevice.Thedeviceswillthenkeepthisaddressuntilthereisaconflictatstartuportheusermanuallyassignsthedeviceanewaddress.

AES/EBU:ThedigitalaudiostandardfrequentlycalledAES/EBU,officiallyknownasAES�,isusedforcarryingdigitalaudiosignalsbetweenvariousdevices.ItwasdevelopedbytheAudioEngineeringSociety(AES)andtheEuropeanBroadcastingUnion(EBU)andfirstpublishedin1985,laterrevisedin199�and�00�.BothAESandEBUversionsofthestandardexist.Severaldifferentphysicalconnectorsarealsodefinedaspartoftheoverallgroupofstandards.

Auto-IPAddress:Devicesandcomputers,ifsettouseaDHCPserver,andaDHCPserverisnotpresentonthenetwork,willautomaticallynegotiateadefaultIPaddressintheformof169.�5�.xxx.xxx.ThiscancauseproblemsifyouhavesomedevicesorPC’ssetwithstaticIPaddresses.ItispossiblethataddressesmanuallyassignedtoStaticIPdevicesmayintentionallyfalloutsideofthedefaultAuto-IPaddressrangeandmaynowbeonaseparatesubnetandwillnolongerbeabletocommunicatewithdevicesintheAuto-IPaddressrange.However,ifthereisn’taDHCPserveronthenetwork,thenhavingalldevices/PC’susinganAuto-IPaddresswillnotcauseanyproblems.Insummary:alldevicesandPC’sonanetworkwillneedtoexistonthesamesubnet,whateverthatmaybe.

DHCP:(DynamicHostConfigurationProtocol)AnestablishedEthernetprotocolforassigningIPaddressesautomaticallytophysicalhardwaredevices.ADHCPservermustbepresentonthenetworktoprovideanIPaddresstoeachdevicewhenpowerisapplied.Withdynamic(DHCP)addressing,adevicemighthaveadifferentIPaddresseverytimeitconnectstothenetwork.IfaDHCPServerisnotinstalledonthenetwork,acomputerwillplaceadefaultnetworkID(SeeAuto-IPAddress)intotheTCP/IPaddressandSubnetMask.

HiQNet:ThenetworkingprotocolestablishedbyHarmanProfessionaltoprovidecommunicationbetweenproductsforthepurposesof:control,monitoring,andprovidinginteractionbetweenproducts.Theprotocolisindependentofthephysicalconnectiontype.Typicalphysicalconnectionsinclude:Ethernet,USB,RS���,RS���,Infrared,andothers.Forinfogotohttp://www.harmanpro.com/hiqnet/

HiQnetAddress:TheHiQnet™addressisauniquenumberthatallowsSystemArchitectsoftware,thePCinuse,andtheconnecteddevices,tokeeptrackofeachotheronthenetwork.TheHiQnetaddressiscompletelyindependentofEthernetIPaddresses.

IPAddress:(InternetProtocoladdress)IdentifierforacomputerordeviceonaTCP/IPnetwork.EachdeviceinanetworkhasitsownidentifyingIPaddress.Example:169.�5�.17.��.NetworksusingtheTCP/IPprotocolroutemessagesbasedonthedestination’sIPaddress.AnIPaddressismadeoffournumbersseparatedbyperiods.Eachnumbercanbezeroto�55.Thelastnumbercanneverbeazeroor�55.Forexample,1�6.1�6.17.1couldbeanIPaddress.1�6.1�6.17.0wouldnotbeavalidIPaddress.

SubnetMask(shortforSubnetworkMask):Largenetworksmayrequiresubdivisionintosmallergroupsorsubnetstokeepthenetworkmoremanageable.Asubnetisaportionofanetworkthatsharesacommonaddresscomponent.OnTCP/IPnetworks,subnetsaredefinedasalldeviceswhoseIPaddresseshavethesameprefix.

Forexample,alldeviceswithIPaddressesthatstartwith1�6.1�6.1�6.wouldbepartofthesamesubnet.IPnetworksaredividedusingasubnetmask.Amaskisafilterthatselectivelyincludesorexcludescertainvalues.Valuesthatdonotconformtothemaskarenotvisibletoeachother.AmaskisusedtodeterminewhatsubnetanIPaddressbelongsto.AnIPaddresshastwocomponents,thenetworkaddressandthehostaddress.LikeIPaddresses,asubnetmaskcontainsfourbytes(��bits)andisoftenwrittenusingthesame“dotted-decimal”notation.Averycommondefaultsubnetmaskforexampleis�55.�55.0.0AsubnetmaskneitherworkslikeanIPaddress,nordoesitexistindependentlyfromthem.Instead,subnetmasksaccompanyanIPaddressandthetwovaluesworktogether.ApplyingthesubnetmasktoanIPaddresssplitstheaddressintotwoparts,an“extendednetworkaddress”andahostaddress.Thesubnetmaskisthenetworkaddressplusthebitsreservedforidentifyingthesubnetwork.Dividinganetworkintosubnetsisusefulforbothsecurityandperformancereasons.

SystemArchitect:AsoftwareapplicationforuseonWindowsPC’sthatprovidescontrolofHiQnetcompliantproducts.SystemArchitectintegratesHiQnet-compliantproductswithinaunifiedcontrolapplicationprogram.Thisprogramallowsgrouping,cuttingandpastingofsettings,customcontrolpanels,andmore.ItintegratesproductsfromHarmanProfessionalbrandsusingtheHiQnetprotocol.

GLOSSARYOFTERMS

Page 34: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�� VERTEC User’s Guide

APPENDIxA:CONFIGURINGCOBRANETGeneralCobraNetisalicensedtechnologydevelopedbyPeakAudio,Inc.consistingofproprietarycommunicationsprotocol,firmwareandhardware.Itallowsreliable,deterministic(i.e.real-time)transmissionofhighquality(i.e.un-compressed)digitalaudiooverstandard100Base-TFast-Ethernetnetwork.CobraNetwillalsooper-ateonfasterversionsofEthernet(e.g.Giga-bitand10Giga-bit).

ACobraNetsystemiscomprisedofCobraNetdevicesandtheEthernetnetworkthatconnectsthem.PCsorothersystemcontrollersmayalsobeconnectedtothenetworkforsetupbutarenotrequiredforoperation.

EthernetEthernetisahardwareandsignalingspecificationdevelopedbyXeroxin1970fordatanetworking.TheIEEE(InstituteofElectricalandElectronicsEngineers)standardizedthetechnologyintheIEEE80�.�standardanditsvariants.

Withover50millionnodesinstalled,Ethernetiseasilythemostdominantdatanetworkingtechnologyinusetoday.ItiscarriedoverinexpensiveCAT-5UTPcablesorfiber.TypicalEthernetcablinglimitationsare:100metersoverCAT-5coppercable,�kilometersovermultimodefiber.

TheCobraNet™DeviceEachCobraNetdeviceembedsspecializedhardwareandfirmware.Thehardwareincludesastandard100MBFast-Ethernetinterfacealongwithcustomhigh-speedDSPchipsandclockcircuitry.TheDSPanditsembeddedsoftwareareusedtoencodeanddecodetheEthernetnetworkmessagesusingthepropri-etaryprotocol.Theclockcircuitryisusedtoaccuratelydecodethesystemmasterclocktimingneededforhigh-qualityreal-timeaudiodelivery.

AudioSpecsAllCobraNetdevicesoperateatafixedsamplerateof�8kHz.Theaudiodatamaybetransmittedat16,�0or��bitdataasdesired.Forreliableoperation,eachCobraNetdevicemustimplementtransmitandreceivebuffering.Thisbufferingisfixedat�56samplesandresultsinaminimumaudionetworklatencyof5.���ms.(�56samplesat1/�8kHzpersample)

BundlesandAudioChannelsRoutingofdigitalaudiobetweenCobraNetdevicesisaccomplishedthroughBundles.ABundleisthenamegiventotheproprietaryencodedmessage(a.k.a.“packet”)transmittedbetweenCobraNetdevicesthatin-cludemultiplechannelsofdigitalaudio.EachCobraNetdevicecantransmitandreceiveuptofourBundles.EachBundleincludesupto8AudioChannels.Therefore,eachdeviceiscapableoftransmittingandreceiv-ingupto��AudioChannelstoandfromthenetwork.

BundlescanbetransmittedusingEthernetmulticastorEthernetunicastmethods.MulticastBundlesaresenttoallCobraNetdevicesonthenetwork,whileunicastBundlesaresenttooneandonlyoneCobraNetdevice.SinceeachdevicecansendandreceivefourBundles,greatflexibilityisallowedintheroutingofaudiooverthenetwork.Upto8multicastBundles(6�AudioChannels)canbetransmittedonasimplere-peaterbasedEthernetnetwork.Upto�multicastBundles(��AudioChannels)alongwithupto��1unicastBundles(>�000AudioChannels)canbetransmittedsimultaneouslyonafull-duplexswitch-basedCobraNetnetwork.

AssignmentofBundlesisaccomplishedthroughtheselectionofaBundlenumber.Bundlesbetween1-�55arealwaysmulticast,whileBundlesbetween�56-65,�79areunicast.Bundleassignmentsmustnotbeduplicated.OnlyoneCobraNettransmitterisallowedperbundle.

TheConductorOnaCobraNetnetwork,theConductorcoordinatestransmissionofaudiopacketsthroughouttheentirenetwork.WhentwoormoreCobraNetdevicesareinterconnectedproperly,oneofthemwillbeselectedtheConductorbasedontheirrespectiveConductor.

Page 35: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�5JBL Professional

PriorityAhigherConductorPriorityover-ridesalowerpriority.IfanoperatingConductorisremovedfromthenet-workforanyreason(e.g.powerturnedoff),theremainingdevicesagainarbitrateandselectanewConduc-tor.AllCobraNetdeviceshavethecapacitytoserveastheConductor.

TheConductorperiodicallybroadcastsawell-definedmessagetoallCobraNet™devices.ThisallowseachCobraNetdevicetorecoverthemasterclocktiminginformationneededforhighqualityaudiodelivery.

TheConductoralsorecognizeseachCobraNetdeviceonthenetworkandassumestheresponsibilitytoassigntransmitterpositionsandprioritiesforeachBundleofeachCobraNetdevice.Likeaconductorofanorchestra,theConductorsignalsthebeginningofasynchronoustransmissioncycle,andtheneachdevicesendsitsBundle(s)inlockstep.

PrimaryandSecondaryNetworkPorts(Dualink)SomeCobraNetdevicesimplementtwonetworkconnections.Thisprovidesforaddedreliabilityintheeventofproblemswithnetworkhardwareorcabling.Iftheprimaryconnectionislost,thesecondaryconnectioncanbeenabledusinganentirelyseparatenetworkhardwarepathinlessthanafewseconds.

RepeaterNetworksCobraNetcanoperateonsimplerepeater-basednetworksandmorecomplexswitch-basednetworks.Repeaternetworksuselow-costEthernethubs.Onarepeater-basednetwork,allpacketsarebroadcasttoallconnectednodes.CobraNetmulti-castandunicastBundlescanbeassignedbutbecauseofthesimplerrepeater-typehubs,evenunicasttransmissionsarebroadcasttoallnodes.Therefore,amaximumof8full-loadedBundles(6�audiochannels)areallowedontheentirenetwork.MoreBundlesmaybeallowediftheyareloadedwithlessthanthefulleightaudiochannels.Thereisnolimittothenumberofactivereceiversonarepeaternetwork.Generally,arepeaterbasedCobraNetnetworkmustbededicatedtoCobraNettrafficonlytoguaranteereliabletransmissionofaudiopackets.

SeeTestedEthernetProductsonthePeakAudiowebsiteforalistofrecommendedEthernetrepeaters.http://www.peakaudio.com/CobraNet/tested_Ethernet.html

SwitchedNetworksLargerCobraNetnetworkscanbebuiltusingEthernetswitches.Ethernetswitchingtechnologyismoreso-phisticatedthanhubs.Switchesdonotsimplybroadcasteachandeverypackettoallnodes.Instead,theyexaminethedestinationaddressofeachpacketreceivedoneachport,andthen“switch”thatdatatotheidentifiedrecipient.CobraNetunicastBundlesexploitthisfeaturetoallowmoreoverallnetworktraffic.Inef-fecteachporthas100MBofbandwidthandtheoverallnetworkcanbeaslargeas100MBtimesthenumberofportsonthenetwork.MulticastBundlesareallowedonaswitchednetwork,buttheymustbeusedwithcare.PeakrecommendsthatnotmorethanfourmulticastBundlesbeusedinaswitchedCobraNetnet-work.

AnotherenhancementavailablewithmostnewEthernetswitchesis“full-duplex”links.Afull-duplexlinkal-lowssimultaneoussendandreceiveoverthesameEthernetconnection.ThisenablesaCobraNetdevicetosimultaneouslysendandreceiveupto6�channelspernodeforatotalof1�8channels.

Thecombinationofswitchingandfull-duplextechnologiesinswitchedCobraNetnetworksallowsupto1�8channelsper100MbitEthernetlinkandgreaterthan�000individualaudiochannels.ThereisnolimittothenumberofactivereceiversonaswitchedCobraNetnetwork.SwitchednetworksalsoeliminatethepotentialforEthernetcollisions.ThisallowsgeneralPCnetworktrafficandCobraNettraffictocoexistonthesamenetwork.

SeeTestedEthernetProductsonthePeakAudiowebsiteforalistofrecommendedEthernetswitches.http://www.peakaudio.com/CobraNet/tested_Ethernet.html

Page 36: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�6 VERTEC User’s Guide

APPENDIxB:SettingWindowstotheStandardFontSize

1.OpentheWindowscontrolpanel.

�.DoubleclickontheDisplaypanel,theDisplayPropertiespanelwillopen.

�.NextclickontheAppearancetab.

�.Gotothe‘Fontsize’drop-downmenuandselect“Normal”.5.ClickontheApplybutton,then“OK”toclosetheDisplayPropertiespanel.6.End.

Page 37: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�7JBL Professional

APPENDIxC:SettingMSWindowsRegionalandLanguageOptionstoU.S.(UnitedStates)English

1.OpentheWindowscontrolpanel.

�.Double-clickonRegionalandLanguageOptionsicon;RegionalOptionspanelwillopen.�.ClickontheLanguagestab.

�.Next,clickonthe‘Details’button.

Page 38: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�8 VERTEC User’s Guide

5.TheTextServicesandInputLanguagespanelwillopen.6.GototheDefaultinputlanguagedrop-downmenuandselectEnglish(UnitedStates),U.S...ClickontheOKbuttontoclosetheTextServicesandInputLanguagespanel.

7.End.

Page 39: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�9JBL Professional

SECTION9:JBLLIMITEDWARRANTY

TheJBLLimitedWarrantyonprofessionalloudspeakerproducts(exceptforenclosures)remainsineffectforfiveyearsfromthedateofthefirstconsumerpurchase.JBLDrivePack®amplifiersarewarrantedforthreeyearsfromthedateoforiginalpurchase.EnclosuresandallotherJBLproductsarewarrantedfortwoyearsfromthedateoforiginalpurchase.

WhoIsProtectedbyThisWarranty?YourJBLWarrantyprotectstheoriginalownerandallsubsequentownerssolongas:A.)YourJBLproducthasbeenpurchasedintheContinentalUnitedStates,HawaiiorAlaska.(ThisWarrantydoesnotapplytoJBLproductspurchasedelsewhereexceptforpurchasesbymilitaryoutlets.OtherpurchasersshouldcontactthelocalJBLdistributorforwarrantyinformation.);andB.)Theoriginaldatedbillofsaleispresentedwheneverwarrantyserviceisrequired.

WhatdoestheJBLWarrantycover?Exceptasspecifiedbelow,yourJBLWarrantycoversalldefectsinmaterialandworkmanship.Thefollowingarenotcovered:Damagecausedbyaccident,misuse,abuse,productmodificationorneglect;damageoccurringduringshipment;damageresultingfromfailuretofollowinstructionscontainedinyourInstructionManual;damageresultingfromtheperformanceofrepairsbysomeonenotauthorizedbyJBL;claimsbaseduponanymisrepresentationsbytheseller;anyJBLproductonwhichtheserialnumberhasbeendefaced,modifiedorremoved.

WhoPaysforWhat?JBLwillpayalllaborandmaterialexpensesforallrepairscoveredbythiswarranty.Pleasebesuretosavetheoriginalshippingcartonsbecauseachargewillbemadeifreplacementcartonsarerequested.Paymentofshippingchargesisdiscussedinthenextsectionofthiswarranty.

HowtoObtainWarrantyPerformanceIfyourJBLproducteverneedsservice,writeortelephoneusatJBLIncorporated(Attn:CustomerServiceDepartment),8500BalboaBoulevard,PO.Box��00,Northridge,California91��9(818/89�-8850).WemaydirectyoutoanauthorizedJBLServiceAgencyoraskyoutosendyourunittothefactoryforrepair.Eitherway,you’llneedtopresenttheoriginalbillofsaletoestablishthedateofpurchase.PleasedonotshipyourJBLproducttothefactorywithoutpriorauthorization.IftransportationofyourJBLproductpresentsanyunusualdifficulties,pleaseadviseusandwemaymakespecialarrangementswithyou.Otherwise,youareresponsiblefortransportingyourproductforrepairorarrangingforitstransportationandforpaymentofanyinitialshippingcharges.However,wewillpaythereturnshippingchargesifrepairsarecoveredbythewarranty.

LimitationofImpliedWarrantiesALLIMPLIEDWARRANTIES,INCLUDINGWARRANTIESOFMERCHANTABILITYANDFITNESSFORPARTICULARPURPOSE,ARELIMITEDINDURATIONTOTHELENGTHOFTHISWARRANTY.

ExCLUSIONOFCERTAINDAMAGESJBL’SLIABILITYISLIMITEDTOTHEREPAIRORREPLACEMENT,ATOUROPTION,OFANYDEFECTIVEPRODUCTANDSHALLNOTINCLUDEINCIDENTALORCONSEQUENTIALDAMAGESOFANYKIND.SOMESTATESDONOTALLOWLIMITATIONSONHOWLONGANIMPLIEDWARRANTYLASTSAND/ORDONOTALLOWTHEEXCLUSIONOFINCIDENTALORCONSEQUENTIALDAMAGES,SOTHEABOVELIMITATIONSANDEXCLUSIONSMAYNOTAPPLYTOYOU.THISWARRANTYGIVESYOUSPECIFICLEGALRIGHTS,ANDYOUMAYALSOHAVEOTHERRIGHTS,WHICHVARY,FROMSTATETOSTATE.

Page 40: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�0 VERTEC User’s Guide

SECTION10:JBLCONTACTINFORMATION

MailingAddress:JBLProfessional8500BalboaBlvd.Northridge,CA91��9USA

ShippingAddress:JBLProfessional8500BalboaBlvd.,Dock#15Northridge,CA91��9USA(DonotreturnproducttothisaddresswithoutfirstobtainingpriorauthorizationfromJBL)

CustomerService:MondaythroughFriday8:00am-5:00pmPacificCoastTimeIntheU.S.A.(800)8JBLPRO(800.85�.5776)www.jblproservice.com

OntheWorldWideWeb:www.jblpro.com

OutsidetheUSA:ContacttheJBLProfessionalDistributorinyourarea.AcompletelistofJBLProfessionalinternationaldistributorsisprovidedatourU.S.A.website-www.jblpro.com

ProductRegistration:Registeryourproductonlineat:www.jblpro.com/registration

WEBLINKSJBLProfessional: www.jblpro.comVERTEC®Products: www.jblpro.com/catalog/general/ProductFamily.aspx?FId=�1&MID=�JBLCustomerService: www.jblproservice.com/VERTECE-mailAddress: [email protected]: www.harmanpro.com

Page 41: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

�1JBL Professional

Page 42: Product User’s Guide VT4888DP-CN - JBL Professional User’s Guide Midsize Powered Line Array Systems VT4888DP VT4888DP-DA ... The lightning bolt triangle is used to alert the user

PartNumber:�6�870-00�VTDP-MPRODGUIDE0810

8500BalboaBoulevardNorthridge,CA91��9USA

Visitusonlineatwww.jblpro.com