PROEL Axiom DSO480 Bedienungsanleitung

USER’S MANUAL

www.proelgroup.com

english

DSO480 QuickReference



Editingchannels:presschannel’sGAIN key.Firstpressaccessesthat

channel’sgain.Toscrollthroughchannel’sparameters,usetheBACKand

NEXTkeys.Secondpressaccesseslastviewedparameter.Thirdpresswill

dropbacktothedefaultscreen.



Accessingmenus:presstheMENUkey.UsetheBACKandNEXTkeysto

selectthesub‐menurequired,andenterthesub‐menuusingtheENTERkey.

Thisappliestoalllevelsofmenu.ENTERalwaysconfirmsselections.

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TheMenusandtheirContents

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GLOBAL MEMORY Sub‐menu:Recall/Store/Eraseinputandcrossover

settings,orcombinationsof.

INPUT SECTIONSub‐menu:Setupinputganging,andGEQ‘Q’setting.

CROSSOVERSub‐menu:Setuporadjustcrossoverdesign,including

routingandautolimitersetting.Alsosetupoutputganging.

INTERFACESub‐menu:Commsinterfacesetup(RS232)

SYSTEM Sub‐menu:Usedtoviewunit’sstatus,andselectvariousglobal

optionssuchasPEQ‘Q’orbandwidthunits,delayunits,andoutputmetering

point(pre/postmute).

SECURITY Sub‐menu:Usedforlockingvariousoperationsoftheunit,

usinga4digitcode.

AES/EBU Sub‐menu:Switchoutputsfromanaloguetodigitaland

monitorAESinputstatusinfo.(AESinputsareswitchedviarearpanel.)

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Notes

Thecrossover(output)settingsmaybestoredindependentlyoftheinput

settings,usingtheGlobalMemorysub‐menu.



Theoutputmetersshowlevel,indBfromthelimiterthreshold,andtheinput

metersshowlevelfromclippingtheA‐Dconverters,

pre‐gainandallEQ.



Thehighandlowpasscrossoverfiltersaredefinedindependentlyoneach

outputchannel.



Toaccessthelimiterattackandreleaseparameters,select“AutoLimiter

TimeCst:No”whendesigningacrossover.



Toswapparametricfilterunitsbetweenbandwidth(‘BandW’)and‘Q’,enter

SystemSub‐menu,select‘FilterQ/Bandwidth’,andselectrequired

readoutunits.



Toswapdelaytimeunits,enterSystemSub‐menu,select‘DelayTime/

Distance’,andselectrequiredreadoutunits.



PressinganEDITkeyflashescorrespondingchannelsroutedto/fromthat

channel.

Contents

Important Safety Information 6

Thanks 7

Unpacking the unit 7

Introduction 8

Features 8

Front Panel Familiarisation 9

Rear Panel Connections 10

Operating the DSO480 11

Preliminary Set-up 11

Input Channel Makeup 12

Output Channel Makeup 12

Preset Routing Configurations 12

Free Assign Routing 15

Input Gain 16

Base Delay 16

Input Parametric EQ 16

Output Gain 17

Output Polarity 17

Output Delay 17

Output High Pass Filter 18

Output Low Pass Filter 18

Output Parametric EQ 18

Output Limiter 19

Output “D-Max” (Clip) Limiter 19

Input Ganging and Output Ganging 19

Menu System Overview 21

Menus in Detail 23

Memory Structure 24

Remote Control Interface Operation 25

RS232 Interface 25

RS232 Connection (Single Unit) 25

Loading New Software via a PC 26

AES Inputs 26

AES Input 26

Security and Locking 27

Entering the Password to Complete the Locking Operation 27

Unlocking the Unit 28

Forgotten the Password? 28

Program Limiter and “D-Max” Limiter 29

Program Limiter 29

“D-Max” Clip Limiter 29

Setting Accurate Limiter Thresholds 32

Crossover Filter Slopes 33

Time Alignment 33

Parametric Filter Types and Their Uses 34

Standard Parametric EQ 34

Shelving EQ (High Shelf shown) 35

Creating a Flat-topped EQ Response 35

Bandpass Filter 36

Notch Filter 36

All Pass Filter 37

Phase Filter 37

Low/High Pass Variable ‘Q’ Filter (Low Pass shown) 38

Elliptical filters 38

Factory presets 39

Warranty 39

Specifications 40

Anexampleofthisequipmenthasbeentestedandfoundtocomplywiththefollowing

EuropeanandinternationalStandardsforElectromagneticCompatibilityandElectricalSafety:



RadiatedEmissions(EU):EN55013‐1(1996)

RFImmunity(EU):EN55103‐2(1996)RFImmunity,ESD,BurstTransient,Surge,Dips&Dwells

ElectricalSafety(EU): EN60065(1993)

ImportantSafetyInformation

DonotremoveCovers.

Nouserserviceablepartsinside,referservicingtoqualifiedservicepersonnel.

Thisequipmentmustbeearthed.

CAUTION

RISKOFELECTRICSHOCK

DONOTOPEN

DONOTEXPOSETORAIN,MOISTURE,

DRIPPINGORSPLASHING

ATTENTION

RISQUEDECHOCELECTRIQUE

NEPASENLEVER

NEPASEXPOSERALAPLUIENIAL’HUMITE



Objectscontainingliquids,suchasvases,mustnotbeplacedonthisequipment.



Itshouldnotbenecessarytoremoveanyprotectiveearthorsignalcableshieldconnections.



Donotdefeatthepurposeofthepolarizedorgrounding‐typeplug.Apolarizedplughastwobladeswith

onewiderthantheother.Agroundingtypeplughastwobladesandathirdgroundingprong.Thewider

bladeandthethirdprongareprovidedforyoursafety.Whentheprovidedplugdoesnotfitintoyour

outlet,consultanelectricianforreplacementoftheobsoleteoutlet.



Onlyusethisequipmentwithanappropriatemainscord.



IntheUSAthecordshouldcomplywiththerequirementscontainedintheStandardforCordSetsand

PowerSupplyCords,UL817,bemarkedVW‐1,andhaveanampcapacityratingnotlessthanthemarked

ratingoftheapparatus.



Thanks

ThankyouforchoosingaPROELDSO480 foryourapplication.Pleasespendalittletimereadingthrough

thismanual,sothatyouobtainthebestpossibleperformancefromtheunit.

AllPROELproductsarecarefullydesignedandengineeredforcutting‐edgeperformanceandworld‐class

reliability.IfyouwouldlikefurtherinformationaboutthisoranyotherPROELproduct,pleasecontactus.

Welookforwardtohearingfromyouinthenearfuture.

Unpackingtheunit

Afterunpackingtheunit,pleasecheckitcarefullyforanydamage.Ifanyisfound,immediatelynotifythe

carrierconcerned‐you,theconsignee,mustinstigateanyclaim.Pleaseretainallpackagingincaseof

futurere‐shipment.



Pleasethinkofourenvironmentanddon’tbinanymaterials,includingthismanual.

Whentheproducthasreachedtheendofitsusefullife,pleasedisposeofitresponsibly

througharecyclingcentre.



FEDERALCOMMUNICATIONSCOMMISSION

ThisisaclassAdigitaldevice,whichismarkedforuseinacommercial,industrialorbusiness

environment,exclusiveofusedbythegeneralpublicorusedinthehome.



ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwo

conditions:(1)thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptany

interferencereceived,includinginterferencethatmaycauseundesiredoperation.



CAUTION:Changesormodificationstothisproductnotexpresslyapprovedbythemanufacturercould

voidtheuser'sauthoritytooperatethisproduct.



NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigitaldevice,

pursuanttoPart15ofFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainst

harmfulinterferencewhentheequipmentisoperatedinacommercialenvironment.Thisequipment

generates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordance

withtheinstructionmanual,maycauseharmfulinterferencetoradiocommunications.Operationsof

thisequipmentinaresidentialareaislikelytocauseharmfulinterferenceinwhichcasetheuserwill

berequiredtocorrecttheinterferenceathisownexpense.

Introduction

TheDSO480ispowerfulDSPbasedaudioprocessors,ideallysuitedforinstallapplications,wherethey

combinethefunctionsofamultitudeofconventionalproductsinacompact1Uunitwithextensiveremote

controlcapabilities.Toachievethis,theunitshaveuptofourinputsandeightoutputswhichcanbe

configuredinaselectionofbasiccrossovermodes–4x2way;2x3way+2Aux;2x4way;and1x8way

(asapplicabletoi/oconfigurations).Theyalsooffera“freeassign”mode,whichallowscompletelyflexible

routingofanyoutputfromanycombinationofinputs.



Eachinputhasagaincontrol,variabledelay,aeightbandsoffullyparametricequalisation.Theparametric

filterbandshavealargeselectionofdifferentfiltertypesavailable,includingshelving,notch,band‐pass,

phaseandellipticalbehaviours.



Eachoutputhasagaincontrol,variabledelay,highandlowpasscrossoverfilters,ninebandsoffully

parametricequalisation,polarityswitchingand,additionally,afullyfeaturedlimiter,andafinalcliplimiter.

Thecrossoverfiltersofferslopesofupto48dB/Octave.,withavarietyofresponsesavailable.



RemotecontroliscateredforintheformofRS232,andmultipleusermemoriesareprovidedforthe

storageandrecallofsettings.



Securitylock‐outisavailableforallcontrols.



TheDSO480isalsoequippedwithAES/EBUdigitalinputs,andincludeasamplerateconverter,capableof

acceptinganythingfrom32kHzupto192kHz.



Features



Superbaudioquality–carefullyoptimiseddoubleprecisionsignalprocessingcoupledwith24bit

conversionensureadynamicrangeinexcessof116dB.Thehighsamplingrateof96kHzmeansminimal

filteringprovidingexceptionalsonicpuritywithabandwidthinexcessof32kHz.



Aflexibleinput/outputmulti‐modeformatcatersforanyconfiguration,regardlessofscale.



Bothroutingofinputstooutputs,andganging(forediting)arecompletelyflexible.



AcompletelynewSHARCTMbasedDSPplatformsuppliesphenomenalcomputationalpower,allowingthe

unittoprovidemultiplebandsofstandardparametricequalisationoneveryinputandoutput.This

additionalpoweralsopermitsbothprogramlimitersandnoovershootcliplimitersoneachoutput.

Delayofupto650mSmaybeindependentlysetforeachoutput,withanexceptionallyfineminimum

incrementof300nS,whichcorrespondstoadistancechangeof0.1mm!

Thecomprehensivestandardspecificationalsoincludesupto255memories,andremotecontrolviaRS232

withsecuritylockout.algorithmensuresthatnomatterhowmuchequalisationisappliedtoachannel,

therewillalwaysbesufficientheadroomavailabletocaterforit.

FrontPanelFamiliarisation

LCDScreen:Shows,bydefault,thenameof

thelastrecalledmemoryonthebottomline

ofthescreen,andthecurrentroutingonthe

topline.Alsousedtoshowallparametersas

theyareedited,andallmenuselections.



ControlKeys:Selectionandadjustmentofparameters.

NEXTkeymovesforwardthroughlistofparameters.

BACKkeymovesbackwardsthroughlistofparameters.

MENUkeyactivatesthemainmenu–asecondpressselectsthelastmenuedited–athird

pressselectsthelastmenuitem.Inthisway,threepressesonMENUfromthedefault

screenwilljumpbacktothelastparameteradjusted.Selectionofdifferentmenusis

accomplishedusingtheBACKandNEXTkeys,orwiththeFREQencoder.

ENTERkeyentersthechosenmenu,confirmsselections,andchangesfiltertypes

wheneditingparametricsections.

BYPASSwillflattenthecurrentlyselectedparametricsections.Notethat,forsafetyreasons,itisnot

possibletobypassthehighandlowpassfiltersections.

QUITexitsmenusbacktothedefaultscreen.



RotaryEncoders:Threevelocitysensitiveencodersadjusttherelevant

parametersasdisplayedonthescreen.

StatusLEDs:ThetwostatusLEDsshowAESinputsselected(flashingifnot

locked);ERRifsomeerroroccurinthedigitalinputssection



InputSections:Controlandmonitorinputsignalpaths.

RedMUTEbuttonsilluminatewhenpressedandmuteaudioforthatchannel.

EDITbuttonsilluminateyellowwhenpressed,andaccessgainonfirstpress,

thenlastviewedparameteronsecondpress,thenexitonthirdpress.

InputmetersshowdBfromclippingpointoftheanaloguetodigital

converters.Yellow(0dB)LEDilluminates3dBfromclipping.RedCLIPLED

mayilluminateindependentlyfromtherestofthemetertoshowdigitaloverflow.AllfourCLIPLEDs

illuminatingindicatesinternalclippingaftertheADC.



OutputSections:Controlandmonitor

outputsignalpaths.

RedMUTEbuttonsilluminatewhen

pressedandmuteaudioforthat

channel.

EDITbuttonsilluminateyellowwhen

pressed,andaccessgainonfirstpress,

thenlastviewedparameteronsecondpress,thenexitonthirdpress.OutputmetersshowdBfrom

limiting.TheyellowLEDilluminatesattheonsetoflimiting.TheredLEDilluminatesat4dBintolimiting

(i.e.4dBofgainreduction).



RearPanelConnections



PowerSwitch:turnstheunit’smainssupplyoffandon.

MainsFuse:locatedinafinger‐proofholderadjacenttothemainsinlet.A

sparefuseisalsolocatedinthisholder.

MainsInlet:connectedviaastandardIECsocket.





Alwaysreplacethefusewiththecorrecttypeandratingasshownontherearpanellegend.



RS232:RS232standardviaa9pinD‐typeconnector,forconnectiontoaPC.







AudioOutputs:3pinXLRsocketsareprovidedforeachchannel.Allarefullybalanced,pin2hot,3cold,1

screen.



AESInputSwitch:RecessedswitchtoselectAESdigitalinputs.RedLEDwillilluminateintheholewhen

AESinputsareselected,alongwiththecorrespondingfrontpanelindicator.

AudioInputs:3pinXLRsocketsareprovidedforeachchannel.Allarefullybalanced,pin2hot,3cold,1

screen.



NotethelegendingonthepaneltodesignatewhichinputsareusedforAESwhenthedigitalinputsare

enabled.Pleaseseepage26formoreinformation.

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