Fbt QUBE SP27 User manual

QUBESP27-AudioManagementSystem

www.qubeaudio.com FBTELETTRONICAS.p.A

www.fbt.it

SP27 QuickReference

Editingchannels:GAIN

BACKNEXT

Accessingmenus:MENU

BACKNEXT ENTER

ENTER

GLOBALMEMORY

INPUTSECTION

CROSSOVER

INTERFACE

SYSTEM

SECURITY

AES/EBU

Global

Memory

System

EDIT

presschannel'skey.First

pressaccessesthatchannel'sgain.Toscrollthrough

channel'sparameters,usetheandkeys.

Secondpressaccesseslastviewedparameter.Third

presswilldropbacktothedefaultscreen.

pressthekey.Usethe

andkeystoselectthesub-menurequired,

andenterthesub-menuusingthekey.This

appliestoalllevelsofmenu.alwaysconfirms

selections.

Sub-menu:Recall/Store/Eraseinput,

crossoversettings,orcombinationsof.

Sub-menu:Setupinputganging,and

GEQ'Q'setting.

Sub-menu:Setuporadjustcrossover

design,includingroutingandautolimitersetting.Alsoset

upoutputganging.

Sub-menu:Commsinterfacesetup

(RS232),G.P.I.interfaceconfiguration,andwireless

interface. Sub-menu:Usedtoviewunit'sstatus,and

selectvariousglobaloptionssuchasPEQ'Q'or

bandwidthunits,delayunits,andoutputmeteringpoint

(pre/postmute).

Sub-menu:Usedforlockingvarious

operationsoftheunit,usinga4digitcode.

Sub-menu:monitorAESinputstatusinfo.(AES

inputsareswitchedviarearpanel.)

Thecrossover(output)settingsmaybestored

independentlyoftheinputsettings,usingthe

sub-menu.

Theoutputmetersshow level,indBfromthelimiter

threshold,andtheinputmetersshowlevelfrom

clippingtheA-Dconverters,

pre-gainandallEQ.

Thehighandlowpasscrossoverfiltersaredefined

independentlyoneachoutputchannel.

Toaccessthelimiterattackandreleaseparameters,

select“AutoLimiterTimeCst:No”whendesigninga

crossover.

Toswapparametricfilterunitsbetweenbandwidth

('BandW')and'Q',enterSub-menu,select

'FilterQ/Bandwidth',andselectrequiredreadout

units.

Toswapdelaytimeunits,enterSub-menu,

select'DelayTime/Distance',andselectrequired

readoutunits.

Pressingankeyflashescorrespondingchannels

routedto/fromthatchannel.

TheMenusandtheirContents

Notes

1

Contents

ImportantSafetyInformation

Unpackingtheunit

Introduction

FrontPanelFamiliarisation

RearPanelConnections

OperatingtheSP27

InputGangingandOutputGanging

MenuSystemOverview

MenusinDetail

MemoryStructure

RemoteControlInterfaceOperation

AESInputsandOutputs

AESDiagnosticsandStatusInformation

Features

NoteaboutoperationwithAudioCoresoftware

Start-upprocedure

PreliminarySet-up

InputChannelMakeup

OutputChannelMakeup

PresetRoutingConfigurations

FreeAssignRouting

InputGain

BaseDelay

InputParametricEQ

OutputGain

OutputPolarity

OutputDelay

OutputHighPassFilter

OutputLowPassFilter

OutputParametricEQ

OutputLimiter

Output“D-Max”(Clip)Limiter

RS232Connection(singleunit)

LoadingNewSoftwareviaaPC

AESInput

RS232Interface

4

5

6

7

8

9

10

12

13

14

15

16

17

18

19

21

23

24

25

2

23

SecurityandLocking

AdvancedAudioFeatures

ParametricFilterTypesandTheirUses

Specifications

Index

AppendixI-DefaultCrossoverConfigurations

EnteringthePasswordtoCompletetheLockingOperation

UnlockingtheUnit

ForgottenthePassword?

StandardParametricEQ

ShelvingEQ(HighShelfshown)

CreatingaFlat-toppedEQResponse

Low/HighPassVariable“Q”Filter(LowPassshown)

ProgramLimiterand“D-Max”Limiter

ProgramLimiter

“D-Max”ClipLimiter

SettingAccurateLimiterThresholds

CrossoverFilterSlopes

TimeAlignment

26

27

28

33

34

36

39

3

28

29

31

32

34

35

37

AnexampleofthisequipmenthasbeentestedandfoundtocomplywiththefollowingEuropeanand

internationalStandardsforElectromagneticCompatibilityandElectricalSafety:

RadiatedEmissions(EU):EN55013-1(1996)

RFImmunity(EU):EN55103-2(1996)RFImmunity,ESD,BurstTransient,Surge,Dips&Dwells

ElectricalSafety(EU):EN60065(1993)

Objectscontainingliquids,suchasvases,mustnotbeplacedonthisequipment.

Itshouldnotbenecessarytoremoveanyprotectiveearthorsignalcableshieldconnections.

Donotdefeatthepurposeofthepolarizedorgrounding-typeplug.Apolarizedplughastwobladeswithonewider

thantheother.Agroundingtypeplughastwobladesandathirdgroundingprong.Thewiderbladeandthethird

prongareprovidedforyoursafety.Whentheprovidedplugdoesnotfitintoyouroutlet,consultanelectricianfor

replacementoftheobsoleteoutlet.

Onlyusethisequipmentwithanappropriatemainscord.

IntheUSAthecordshouldcomplywiththerequirementscontainedintheStandardforCordSetsandPower

SupplyCords,UL817,bemarkedVW-1,andhaveanampacityratingnotlessthanthemarkedratingofthe

apparatus.

ImportantSafetyInformation

DonotremoveCovers.

Nouserserviceablepartsinside,referservicingtoqualifiedservicepersonnel.

Thisequipmentmustbeearthed.

CAUTION

RISKOFELECTRICSHOCK

DONOTOPEN

DONOTEXPOSETORAIN,MOISTURE,

DRIPPINGORSPLASHING

ATTENTION

RISQUEDECHOCELECTRIQUE

NEPASENLEVER

NEPASEXPOSERALAPLUIENIAL'HUMITE

4

Unpackingtheunit

Afterunpackingtheunit,pleasecheckitcarefullyforanydamage.Ifanyisfound,immediatelynotifythe

carrier

concerned-you,theconsignee,mustinstigateanyclaim.Pleaseretainallpackagingincaseoffuturere-

shipment.

5

Introduction

TheSP27arepowerfulDSPbasedaudioprocessors,ideallysuitedforinstallapplications,wherethey

combinethefunctionsofamultitudeofconventionalproductsinacompact1Uunitwithextensiveremote

controlcapabilities.Toachievethis,theunitshaveuptofourinputsandeightoutputswhichcanbeconfigured

inaselectionofbasiccrossovermodes-4x2way;2x3way+2Aux;2x4way;and1x8way(asapplicable

toi/oconfigurations).Theyalsooffera"freeassign"mode,whichallowscompletelyflexibleroutingofany

outputfromanycombinationofinputs.

Eachinputhasagaincontrol,variabledelayandafurthereightbandsoffullyparametricequalisation.The

parametricfilterbandshavealargeselectionofdifferentfiltertypesavailable,includingshelving.

Eachoutputhasagaincontrol,variabledelay,highandlowpasscrossoverfilters,ninebandsoffully

parametricequalisation,polarityswitchingand,additionally,afullyfeaturedlimiter,andafinalcliplimiter.The

crossoverfiltersofferslopesofupto48dB/Octave.,withavarietyofresponsesavailable.

AGPIinterfacemayalsobefittedtoallowremotememoryrecallsusingsimpleswitch closureapparatus.

Securitylock-outisavailableforallcontrols.

TheSP27arealsoequippedwithAES/EBUdigitalinputsandincludeasamplerateconverter,capableof

acceptinganythingfrom32kHzuptp192kHz.

Superbaudioquality-carefullyoptimiseddoubleprecisionsignalprocessingcoupledwith24bitconversion

ensureadynamicrangeinexcessof117dB.Thehighsamplingrateof96kHzmeansminimalfiltering

providingexceptionalsonicpuritywithabandwidthinexcessof32kHz.

Aflexibleinput/outputmulti-modeformatcatersforanyconfiguration,regardlessofscale.

Bothroutingofinputstooutputs,andganging(forediting)arecompletelyflexible.

AcompletelynewSHARCTMbasedDSPplatformsuppliesphenomenalcomputationalpower,allowingthe

unittoprovidenotonlymultiplebandsofstandardparametricequalisationoneveryinputandoutput,butan

additionalfullspectrumgraphicequaliseroneachofthefourinputs.Thisadditionalpoweralsopermitsboth

programlimitersandnoovershootcliplimitersoneachoutput.

Delayofupto650mSmaybeindependentlysetforeachoutput,withanexceptionallyfineminimumincrement

of300nS,whichcorrespondstoadistancechangeof0.1mm!

Thecomprehensivestandardspecificationalsoincludesupto255memories.

XTA'snewproprietaryComplexUnifiedNyquistTruncationalgorithmensuresthatnomatterhowmuch

equalisationisappliedtoachannel,therewillalwaysbesufficientheadroomavailabletocaterforit.

Features

6

FrontPanelFamiliarisation

Shows,bydefault,thenameofthelast

recalledmemoryonthebottomlineofthescreen,and

thecurrentroutingonthetopline.Alsousedtoshowall

parametersastheyareedited,andallmenuselections.

Selectionandadjustmentofparameters.

keymovesforwardthroughlistofparameters.

keymovesbackwardsthroughlistofparameters.

keyactivatesthemainmenu-asecondpressselectsthelastmenuedited-athirdpress

selectsthelastmenuitem.Inthisway,threepressesonfromthedefaultscreenwill

jumpbacktothelastparameteradjusted.Selectionofdifferentmenusisaccomplishedusing

theandkeys,orwiththeencoder.

keyentersthechosenmenu,confirmsselections,andchangesfiltertypeswheneditingparametric

sections. willflattenthecurrentlyselectedparametricsections.Notethat,forsafetyreasons,itisnotpossible

tobypassthehighandlowpassfiltersections.

exitsmenusbacktothedefaultscreen.

Threevelocitysensitiveencodersadjusttherelevantparametersas

displayedonthescreen.

ThetwostatusLEDsshow,fromlefttoright,AESinputsselected

(flashingifnotlocked);

Controlandmonitorinputsignalpaths.

Redbuttonsilluminatewhenpressedandmuteaudioforthatchannel.

buttonsilluminateyellowwhenpressed,andaccessgainonfirstpress,thenlast

viewedparameteronsecondpress,thenexitonthirdpress.

InputmetersshowdBfromclippingpointoftheanaloguetodigitalconverters.Red

LEDmayilluminateindependentlyfromtherestofthemetertoshowdigital

overflow.AlltwoLEDsilluminatingindicatesinternalclippingaftertheADC.

Controlandmonitoroutputsignal

paths.

Redbuttonsilluminatewhenpressedand

muteaudioforthatchannel.

buttonsilluminateyellowwhenpressed,and

accessgainonfirstpress,thenlastviewed

parameteronsecondpress,thenexitonthirdpress.

OutputmetersshowdBfromlimiting.

TheredLEDilluminatesattheonsetoflimiting.

LCDScreen:

ControlKeys:

MENU MENU

BACKNEXTFREQ

ENTER

BYPASS

QUIT

RotaryEncoders:

StatusLEDs:

InputSections:

MUTE

EDIT

CLIP CLIP

OutputSections:

MUTE

EDIT

Error................................

7

RearPanelConnections

PowerSwitch:

MainsFuse:

MainsInlet:

RS232:

AudioOutputs:

AESInputSwitch:

AudioInputs:

turnstheunit'smainssupplyoffandon.

locatedinafinger-proofholderadjacenttothemainsinlet.Aspare

fuseisalsolocatedinthisholder.

connectedviaastandardIECsocket.

RS232standardviaa9pinD-typeconnector,forconnectiontoaPC.Dataisconvertedto

RS485standardandrelayedtoslaveunitsviatheRS485sockets.

3pinXLRsocketsare

providedforeachchannel.Allarefully

balanced,pin2hot,3cold,1screen.

RecessedswitchtoselectAESdigital

inputs.RedLEDwillilluminateintheholewhenAESinputs

areselected,alongwiththecorrespondingfrontpanel

indicator. 3pinXLRsocketsareprovidedforeach

channel.Allarefullybalanced,pin2hot,3cold,1screen.

Alwaysreplacethefusewiththecorrecttypeandratingasshownontherearpanellegend.

8

OperatingtheSP27

NoteaboutoperationwithAudioCoresoftware.

ThefollowingoperatinginformationcoverssetupandcontroloftheSP27viathefrontpanelcontrolsonly.

Pleaseconsultthemanualsuppliedwiththissoftwareforinformationregardingfullcomputercontrol.

Switchingontheunitwilldisplayabriefmessagedetailingtheunittypeandsoftwareversionrunning

==AudioCoreDP4XX==

==SoftwareV1.00==

andallLEDswillbrieflyilluminate.Theunitwillthenbeginitscountdowntothewake-upprocedure,during

whichtimetheaudiowillfadeuptothelevellastset.Meteringwillbegintooperatewhenthefade-upstarts.

-Designyourcrossover!Todothis,press,andusetheorkeytoselect'

andthenpress.Usetheorkeytoselectandthenpress

.Finally,usetheorkeytoselectthedesiredroutingandfollowtheset-upwizardto

finaliseyourdesign.

-Notethatwheninamenu,isalwaysusedtoconfirmselections.Thecurrentselectionismarkedwith

anasterisk'*'.

-Usethekeysoneachoutputchannelwiththeandkeystoselectthehighpassfilters,low

passfilters,parametricsetc.Notethatwhendesigninganewcrossover,thehighandlowpassfilterswillbe

settodefaultvalues.

-Usethekeysoneachinputchannelwiththeandkeystoselectthegain,delayand

parametricsavailableoneachinput.

Start-upprocedure

PreliminarySet-up

TheprocedurebelowshouldbefollowedwhenfirstinstallingaSP27unit.

MENUBACKNEXTCrossoversub-

menu'ENTERBACKNEXT'Designacrossover'

ENTERBACKNEXT

ENTER

EDITBACKNEXT

Thewake-uptimecountdownmaybeadjustedintheSYSTEMmenu-seepage23fordetails.

Fordetailsaboutadjustingtheroutingifoneofthestandardconfigurationsdoesnotsuit,seepage15.

Notethatifnoactionistakeninmenumode,theunitwillreturntonormal'default'modeafter

abouttwenty(20)seconds.Repeattheabovedirectionstoreturntomenumode.

NOTE

2

3

2

3

9

RoutingOptionsandProcessingBlocks

DuetothecompletelynewDSPplatform,theroutingpossibilitieswithinthehavebeenmadecompletely

flexible,withamatrixavailableallowinganycombinationofinputstoberoutedtoanyoutput.Theadditional

DSPpowerhaspermittedtheinclusionofmoreprocessingblocks,evenconsideringtheextrainputsand

outputs,andthedoublingofsamplerate.

Toreduceset-uptimeandaidusability,severalstandardconfigurationsareavailableasdescribedinalater

section.

Thissectionwilloutlinetheprocessingblocksavailableinrelationtothesignalpath,andexplainthevarious

optionsforrouting,includingthe"FreeAssign"mode,whichopensupcompletelyflexiblechannelrouting.

Thediagrambelowshowstheprocessingavailableoneachofthefourinputchannels,beforeroutingtothe

matrix.

OutputChannelMakeup

Thediagrambelowshowstheprocessingavailableoneachoftheeightoutputchannels,afterroutingfromthe

matrix.

Inadditiontotheabilitytoassignanycombinationofinputstoanyoutput,anumberofpresetconfigurations

areprovided,forusewhendesigningacrossoverfromscratch.Thesehavetheadvantageofsuggested

settingsforthehighandlowpassfilterstousefulbasicstartingpoints,tofilterthedifferentoutputsas

appropriateforthechosenconfiguration.Thesemay,ofcourse,befreelymodifiedafterwardsshouldtheynot

suittherequirementsexactly.

Thediagramsonthefollowingpagesshowtheconnectionsmadebetweeninputsandoutputs.

SP27

InputChannelMakeup

PresetRoutingConfigurations

10

2x3waycrossover 1x6waycrossover

2x2way+mono

11

FreeAssignRouting

Ifnoneofthepresetconfigurationsareappropriatetotherequiredsystemsetup,itispossibletomanually

selecttheroutingofthecrossover.Thisisachievedthroughthe.

Pressingwillstartthecrossoverdesignwizard,withthefirstoptionbeingtochoosetherouting.

Thedisplaywillshow

orwhateverthecurrentconfigurationissetto.Pressuntilthedisplayshows

Andthenpress.Thekeywillilluminate

foroutput1,aswillanyrelevantinputkeys,

showingwhichinputsarefeedingoutput1.Thedisplay

willalsodetailthecurrentcombinationofinputsfeeding

thisoutput.Tochangetheroutingforanyoutput,press

itskey,andthenchoosetherequiredinput

channelcombinationbyjustpressingtheinput

keysasappropriate.Theinputcombinationscanalso

besteppedthroughinturnbypressing,or

.

Tocompletetheprocedure,press.Thewizard

willcontinue,andiftheroutinghasbeenchanged,all

outputswillbemutedonexit.

CrossoverMenu->DesignACrossover

ENTER

DesignACrossover->

Routing=2X4WAY*

BACK

DesignACrossover->

Routing=FreeAssign

ENTEREDIT EDIT

EDIT EDIT

ENTER

PressEDITinputkeysto

select/deselectinputs PressEDITtoshowinput

routingselection....

1

2

12

EditingAudioParameters-InputChannels

Gain

GainInputAInA InputGain=+6.0dB

DelayInputAInA BaseDelay=0.00mS

x1mS

343mm x10uS

4mm

PEQ:1<>InputAInA 1k00HzQ=3.00.0dB

Frequency “Q” Gain

InputGain

Therangeofthecontrolovertheinputgainis–40dBto+6dBin0.1dBsteps.

BaseDelay

Themaximumavailabledelaybetweenanyinputandoutputis650.00mS.Forexample,iftheinputdelayon

channelAissetto500mS,themaximumavailableoutputdelayforanyoutputfedfrominputAwillbe150mS.

Thereadoutunitscanbechangedbetweentimeinmilliseconds,distanceinfeetordistanceinmetres.Please

seepageformoredetails.

InputParametricEQ

Thereareeightbandsofparameterequalisationavailableoneveryinput.Thebehaviourofeachindividual

bandcanbechangedtoavarietyofdifferentfiltershapes,includinghighandlowshelves,notch,and

bandpass.ChangingthefiltertypeisachievedbypressingENTERduringeditinganyparticularband.For

moredetailsaboutthevarioustypesoffilteravailable,pleaseseepage.

13

EditingAudioParameters-OutputChannels

OutputGain

Therangeofthecontrolovertheinputgainis–40dBto+15dBin0.1dBsteps.

OutputPolarity

Thepolarity(orphase)ofeachoutputmaybeswitchedindividuallyasbelow.

OutputDelay

Themaximumavailabledelaybetweenanyinputandoutputis650.00mS.Forexample,iftheinputdelayon

channelAissetto500mS,themaximumavailableoutputdelayforanyoutputfedfrominputAwillbe150mS.

Thereadoutunitscanbechangedbetweentimeinmilliseconds,distanceinfeetordistanceinmetres.Please

seepageformoredetails.

Gain

GainOutput1OP1 OutputGain=+6.0dB

-or+

PolarOutput1OP1 Polarity=[+]

x0.3uS

0.1mm

DelayOutput1OP1 Delay=0.0000mS

x10uS

4mm

x1mS

343mm

14

Slope

HPF/--Output1OP1 <10HzLinkw-Riley48dB

Output1OP1

PEQ:1<>Output1OP1

OutputHighPassFilter

Thehighpasscrossoverfilteroneachoutputhasafrequencyrangeof<10Hzupto32kHzin1/36Octave

steps.Ifyoutrytosetthehighpassfiltertoahigherfrequencythanthelowpass(whichwouldbepointless

andresultinnooutput),themessageHigh/LowFreq.Overlap!willbedisplayed.Notethattoaccessthe

48dB/Octavefilters,parametricbands6&7needtobebypassed,orsetto0dB.Iftheyarenot,themessage

BypassPEQ's6&7ToAccess48dBSlopeswillbedisplayed.

th

OutputLowPassFilter

Thelowpasscrossoverfilteroneachoutputhasafrequencyrangeof35.1Hzupto>32kHzin1/36Octave

steps.Ifyoutrytosetthelowpassfiltertoalowerfrequencythanthehighpass(whichwouldbepointless

andresultinnooutput),themessageHigh/LowFreq.Overlap!willbedisplayed.Notethattoaccessthe

48dB/Octavefilters,parametricbands8&9needtobebypassed,orsetto0dB.Iftheyarenot,themessage

BypassPEQ's8&9ToAccess48dBSlopeswillbedisplayed.

th

OutputParametricEQ

Thereareninebandsofparametricequalisationavailableoneveryoutput.Thebehaviourofeachindividual

bandcanbechangedtoavarietyofdifferentfiltershapes,includinghighandlowshelves,notch,and

bandpass.ChangingthefiltertypeisachievedbypressingBYPASStobypassthefilterandthenpressing

ENTERduringeditinganyparticularband.Formoredetailsaboutthevarioustypesoffilteravailable,please

seepage42.

Frequency

SlopeFrequency

LPF--\

>32kHzLinkw-Riley48dB

GainFrequency “Q”

1k00HzQ=3.00.0dB

15

Threshold

LimiterOutput1OP1

Atk=2.0mSRel=x16+22dB

Output1OP1

Attack

SlopeFrequency

ClipLim

Rel.=Medium2dBAbove

OutputLimiter

Thelimiteroneachoutputhasadjustableattackandthreshold,withareleasetimethatisselectabletobea

multiplieroftheattacktime.Forexample,asshownbelow,theattacktimeis2mSandreleaseis“x16”so32mS.

Theattackandreleasetimescanbeautomaticallylinkedtothehighpassfilterfrequency,sothattheyaresetto

correctvaluesfortheoutput'sfrequencyrange.Ifthisfeatureisenabled,thedisplaywillshowAutomaticT/Cin

placeoftheattackandreleasetimes.SelectionofautomatictimeconstantsisthroughtheDesignaCrossover

wizard,intheCrossoverSub-Menu.

Output“D-Max”(Clip)Limiter

Thecliplimiteroneachoutputisdesignedtositatathresholdjustabovethestandardlimiterandhasalook

aheadattacksothatitsthresholdcanneverbeexceeded.Thereleasetimecanbeautomaticallylinkedtothe

highpassfilterfrequency,sothatitissettoavalueappropriatefortheoutput'sfrequencyrange.Ifthisfeature

isenabled,thedisplaywillshowRel.=Autoinplaceofthereleasetime.Selectionofautomatictime

constantsisthroughthe

DesignaCrossoverwizard,intheCrossoverSub-Menu.

Moreinformationaboutthelimitersandtheiruseisgiveninthesectiononpage.

Release

16

InputGangingandOutputGanging

PressEDITkeystogang

flashingchannelwithselection

1

2

Themethodoflinkinginputsoroutputstogetherduringeditingisachievedinthesameway,soonlycrossover

(output)gangingwillbeexplainedhere.HavingselectedCrossoverGangingfromthemenuunderthe

CrossoverSub-Menu,thecurrentgangingset-upwillbedisplayed.Thiswilleitherbeapresetselectionas

wouldbeusefulinastandardcrossoverconfiguration–forexample

…wouldbealogicalgangingarrangementifthecrossoverwassetupasa–linkingthecontroland

adjustmentofall“Low”outputstogether,andthatofall“High”outputstogether.

However,ifthecrossoverhasnotbeensetupwithapresetroutingconfiguration,thenitmayberequiredto

setupthegangingtocomplimentthisconfiguration.ThisisachievedusingtheFreeAssignmode.Thisis

selectedfromthepresetgangingchoices,whichare: [alloutputsindependent]

Ganging=FreeAssign[chooseganging]

SelectingFreeAssignandthenpressingENTERwillbegintheprocessofgangingoutputstogetherusingthe

followingsimplerules:

-Alloutputsaregangedtothelowestnumber–sotogangmustbeselectedandthengangedto

-Outputscannotsharemorethanonegangingset–soforexampleoutput

unlesstheyaregangedtogetheraswell.()

<-CrossoverGanging

Ganging=None

Ganging=1+3+5+72+4+6+8

4x2way

Ganging=1+2+3+4+5+6+7+8[1x8way]

Ganging=1+52+63+74+8[4x2way]

Ganging=1+3+5+72+4+6+8[2x4way]

3&5,53.

3cannotbegangedto2and4

Effectively3and4aregangedto2inthiscase

Withtheserulesinmind,selectingandsettingupgangsisquitestraightforward.

PressaMUTEkeytochoosetheoutputtogang–itsLEDwillbegintoflash,andanEDITkeywillilluminateto

showwhichoutputitiscurrentlygangedwith.Tochangethisselection,justpressanotherEDITkey,

rememberingthatgangsworkfromthehighesttolowestnumber.So,togangoutputs

–thedisplaywillshow <-CrossoverGanging

GangingisclearedbyselectingGanging=Nonefromtheinitialchoicesgivenabove.TheInputGanging

procedureisidenticaltothecrossoverganging,selectableundertheInputSub-Menu.

1and5,pressMUTE5

thenEDIT1

GangOutput5with1

(-CrossoverGanging-)

GangOutput1with1

PressMUTEtoselect

channeltogang

MUTEbeginstoflash

EDITLEDwilllighttoshowlowestnumberingang

17

MenuSystemOverview

18

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Fbt QUBE SP27 User manual

Fbt QUBE SP27 User manual

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