Alto MAXIDRIVE3.4 COMPACT User manual

LTO
www.altoproaudio.com
Version2.0September2003
MAXIDRIVE3.4 3WAYSTEREO
DIGITALCROSSOVER
–
User'sManual

1
SAFETYRELATEDSYMBOLS
CAUTION
RISKOFELECTRICSHOCK
DONOTOPEN
∼
ProtectiveGroundTerminal
ACmains(AlternatingCurrent)
HazardousLiveTerminal
ON: Denotestheproductisturnedon.
OFF: Denotestheproductisturnedoff.
WARNING
Describesprecautionsthatshouldbeobservedto
preventthepossibilityofdeathorinjurytotheuser.
CAUTION
Describesprecautionsthatshouldbeobservedto
preventdamagetotheproduct.
Alwaysuseproperready-madeinsulatedmains
cabling(powercord).Failuretodosocouldresult
inshock/deathorfire.Ifindoubt,seekadvicefrom
aregisteredelectrician.
Topreventfireanddamagetotheproduct,useonly
Alwaysinstallinaccordancewiththemanufacturer's
instructions.
Keepproductawayfromnakedflames.
IMPORTANTSAFETYINSTRUCTIONS
Readtheseinstructions
Followallinstructions
Keeptheseinstructions.Donotdiscard.
Heedallwarnings.
Onlyuseattachments/accessoriesspecifiedbythe
manufacturer.
Donottamperwiththepowercordorplug.Theseare
designedforyoursafety.
DonotremoveGroundconnections!
Protectthepowercordandplugfromanyphysical
stresstoavoidriskofelectricshock.
Donotplaceheavyobjectsonthepowercord.This
couldcauseelectricshockorfire.
WARNING
therecommendedfusetypeasindicatedinthismanual.
Donotshort-circuitthefuseholder.Beforereplacingthe
fuse,makesurethattheproductisOFFanddisconnected
fromtheACoutlet.
˙ProtectiveGround
˙OperatingConditions
˙PowerCordandPlug
˙Cleaning
˙Servicing
˙PowerSupply
˙ExternalConnection
˙DoNotRemoveAnyCovers
˙Fuse
Referallservicingtoqualifiedservicepersonnelonly.Do
notperformanyservicingotherthanthoseinstructions
containedwithintheUser'sManual.
Whenrequired,eitherblowoffdustfromtheproductor
useadrycloth.
DonotuseanysolventssuchasBenzolorAlcohol.
Forsafety,keepproductcleanandfreefromdust.
IftheplugdoesnotfityourACoutletseekadvicefroma
qualifiedelectrician.
Toavoidtheriskofelectricshockanddamage,donot
subjectthisproducttoanyliquid/rainormoisture.Do
notusethisproductwhenincloseproximitytowater.
Donotinstallthisproductnearanydirectheatsource.
Donotblockareasofventilation.Failuretodosocould
resultinfire.
NevercutinternalorexternalGroundwires.Likewise,
neverremoveGroundwiringfromtheProtectiveGround
Terminal.
BeforeturningtheproductON,makesurethatitis
connectedtoGround.Thisistopreventtheriskof
electricshock.
Coversshouldberemovedbyqualifiedservice
personnelonly.
Withintheproductareareaswherehighvoltagesmay
present.Toreducetheriskofelectricshockdonotremove
anycoversunlesstheACmainspowercordisremoved.
Ensurethatthemainssourcevoltage(ACoutlet)matches
thevoltageratingoftheproduct.Failuretodosocould
resultindamagetotheproductandpossiblytheuser.
Unplugtheproductbeforeelectricalstormsoccurand
whenunusedforlongperiodsoftimetoreducetheriskof
electricshockorfire.
Nouserserviceablepartsinside.
Thissymbol,whereverused,alertsyoutoimpo-
rtantoperatingandmaintenanceinstructions.
Pleaseread.
Thissymbol,whereverused,alertsyoutothepre-
senceofun-insulatedanddangerousvoltageswith-
intheproductenclosure.Thesearevoltagesthat
maybesufficienttoconstitutetheriskofelectric
shockordeath.

DearCustomer:
PREFACE
Thankyouverymuch
▲LTOAUDIOTEAM
2
ThanksforchoosingMAXIDRIVE3.43-WayStereoDigitalCrossoverandthanksforchoosingoneoftheresultsof
▲LTOAUDIOTEAMjobandresearches.
ForourLTOAUDIOTEAM,musicandsoundaremorethanajob...arefirstofallpassionandletussayourobsession!▲
Wehavebeendesigningprofessionalaudioproductsforalongtimeincooperationwithsomeofthemajorbrands
intheworldintheaudiofield.
TheLTOlinepresentsunparalleledanalogueanddigitalproductsmadebyMusiciansforMusiciansinourR&D▲
centersinItaly,Netherlands,UnitedKingdomandTaiwan.Thecoreofourdigitalaudioproductsisasophisticated
DSP(DigitalSoundProcessor)andalargerangeofstateoftheartalgorithmswhichhaveeendevelopedbyourb
SoftwareTeamforthelast7years.
BecauseweareconvincedyouarethemostimportantmemberofLTOAUDIOTEAMandtheoneconfirmingthe▲
qualityofourjob,wewouldliketosharewithyouourworkandourdreams,payingattentiontoyoursuggestionsand
yourcomments.
Followingthisideawecreateourproductsandwewillcreatethenewones!Fromourside,weguaranteeyouand
wewillguaranteeyoualsoinfuturethebestquality,thebestfruitsofourcontinuousresearchesandthebestprices.
OurAXIDRIVE3.43-WayStereoDigitalCrossoveristheresultofmanyhoursoflisteningandtestsinvolvingM
commonpeople,areaexperts,musiciansandtechnicians.TheresultsofthiseffortisaDSPhi-performanceequalizer
thatcanbeusedinapplicationsasmusicalperformances,Installationandsoundreinforcement.Besidesweoffer
toyouanumberoffactoryEQcurvesthatwecollectedandtransformedinpresetsnowavailableinoursmall,effi-
cientandeasytouseAXIDRIVE3.4.M
Nothingelsetoadd,butthatwewouldliketothankallthepeoplethatmadetheAXIDRIVE3.4arealityavailabletoM
ourcustomers,andthankourdesignersandalltheLTOstaff,peoplewhomakepossibletherealizationofproducts▲
containingourideaofmusicandsoundandarereadytosupportyou,ourCustomers,inthebestway,consciousthat
youareourbestrichness.

TABLEOFCONTENTS
1.INTRODUCTION ...................................................................................................................................4..
2.FEATURES .............................................................................................................................................4
3.CONTROLELEMENTS .........................................................................................................................4
3.1TheFrontPanel
3.2TheRearPanel
4.GETTINGSTARTED .....................................................................................................................6..........
4.1ConfigurationofTheSystem
8.TECHNICALSPECIFICATIONS .........................................................................................................38
9.WARRANTY ..........................................................................................................................................39
4.2AdjustTheInputSignal
3
5. ..................................................................THEMENUMAPCONFIGURATIONDESCRIPTION .......10
5.1PresetMenu
5.2DelayMenu
5.3EditMenu
5.4UtilityMenu
6.CONNECTIONS ..................................................................................................................................31
7.APPLICATION......................................................................................................................................32
7.1FactoryPresetConfiguration
7.2Organization
4.3FirstSetup
4.4SystemConfiguration
4.5NumberofPresets
4.6TypeofPreset
4.7NameofThePreset
4.8PresetModifications
4.9SystemProtection

1.INTRODUCTION
2.FEATURES
3.1TheFrontPanel
3.CONTROLELEMENTS
4
˙
˙
˙
˙
˙
˙
˙
˙
˙
Singlerackunit
Delaylinesupto2.5sforeachinputandupto300msforeachoutput
StereodigitalinputinAEX/EBUformat
A/DandD/Aconvertersfora117dBdynamicrange
Slotforamemorycardforthestorageofmorepresetsandaneasierupgradeofotherunits
10Factorypresets,64userpresetsand128cardpresetsbylargememorycapacity
Switchingpowersupply
Remotecontrol
manufacturedunderQS9000,VDA6.1certifiedmanagementsystem
2.LEDs
TheseLEDsindicatetheselectingstatusofthemenus.
3.Display
Rear-lit216display.×
Itshowsthepagesofthevariousmenusandtherelativeparameters.
4.DIALknob
Theknoballowsyoutoeditvalue oftheselectedparameter.ThevalueraiseswhileturningtheDIALclockwiseand
lowerscounterclockwise.
6.Navigationcursorkeys
Eacheditingpagecomprisesavariablenumberofparameters(fields).
Therightandleftkeysallowyoutoselectthevariousrequiredparametersviacontrollingthemovement
cursorinthepage. ofthe
1285 10
9674321 11
ENTER
R
LTO
PREV NEXT
ESC
MODE
CLIP
－6
－12
－18
－24
A B
INPUTLEVEL
MUTE
CLIP
－6
－12
－24
LIMIT
OUTPUT
2
LEVEL
CLIP
－6
－12
－24
LIMIT
CLIP
－6
－12
－24
LIMIT
CLIP
－6
－12
－24
LIMIT
CLIP
－6
－12
－24
LIMIT
CLIP
－6
－12
－24
LIMIT
OUTPUT
1
LEVEL OUTPUT
3
LEVEL OUTPUT
4
LEVEL OUTPUT
5
LEVEL OUTPUT
6
LEVEL
MUTE MUTE MUTE MUTE MUTE
EDIT
UTILITY
DELAY
PRESET
CARD
YourMAXIDRIVE3.4isa3-waystereodigitalcrossoveranditisapowerfulversatilesignalprocessor.Theapparatus
willprovide3,4,5or6-waymonoX-overwith6outputs.Thankstotheuseofselectedandexpensivecomponents,
theperformancesofMAXIDRIVE3.4areworthmuchmorethanitsprice:youcansettheinputandoutputroutingcon-
figurationonlythroughrecallingoneofthePresetsincludedintheinternalmemory.
1.MODEbutton
Thebuttonallowsyoutoselectfourmodes:PRESET,DELAY,EDITandUTILITY.PressingMODErepeatedly
toreachtotherequiredmenuandthecorrespondingLEDwilllightup.Youcanedittheparametersoftheselected
menus.IfnoneofthemenuLEDsislit,theDisplayshowsthenameofthecurrentPRESETandnoparameters
canbemodified.
5.PREV/NEXTbutton
Eachmenucomprisesseveralpages.Thesebuttonsallowyoutoturnoverthepagesand/oravariablenumber
ofparameters.

5
8.ENTERkey
Thekeyallowsyoutoaccesstotheselectedediting.Poucaneditandconfirm
valueofparameter. pageressingthiskey,ytherequired
10.InputLevelLEDs
TheLEDsareusedtoindicatethelevelofinputA/B.Inordertogetanup-front distortion-freesignal,youkeep
thesignalquitehigh,butdoassurethattheredCLIPLEDdoesn'tlightup continually.
11.Muteswitches
Therearesixmuteswitches(1-6).Theyareusedtomutethesignaloftherespectiveoutputs.Whentheswitch
ison,thecorrespondingledwilllightup.Theseswitchescanavoidsignalpeakswhenswitchingonandoffthe
soundsystemandisolatetheindividualaudiosectionsduringtestingorcheckingsound,etc..Therestored Mute
functioncanbesettousetheWakeUp Function(UtilitymenuMisc.Setupsubmenu)andcanbesetasNormal
(lastsettingbeforetheunitwasswitchedoff)orMute(alloutputsautomaticallyforcedintoMutestatus).
3.2TheRearPanel
7.MemoryCard Slot
TheSlotallowsyoutoinserttheMemoryCardwhichisveryusefulforsafestorageofPRESETSandfor
oneMAXIDRIVE3.4toanother. their transferfrom
19
13 20 14 15 16 17 18
PUSH
2 1
3
NEW TIDE
PUSH
2 1
3
NEW TIDE
Apparatenskallanslutastill
jordatuttagnardenansluts
tillettnatverk
PWR
OFF
ON
ACINPUT14W
95-240V50/60Hz
FUSE:95-120VT500mAL
210-240VT315mAL
DIGITALIN RS485OUT RS485IN RS232 INPUTAINPUTB4 3 2 1
OUTPUTS
56
A102
9.ESCkey
Thekeyallowsyoutoexittheselectededitingpage.Italsousedtorejectthevaluetoenterandreturntothe
storedvalue.
12.OutputLevelLEDs
TheseLEDsindicatetheleveloftherespectiveoutputs(youcanadjusttheoutputviaadjustingtheOutputGain
parameterofEditmenu.)
Note:TheLIMITERonanyoutputwillchangethewayinwhichthelevelisdisplayedonthecorrespondingLED.
Infact,thelevelshownontheladderisnolongerthe"absolute"outputlevel,butthelevelofthesignalat-24dB,
-12dB,-6dBcomparedtothelimiterthreshold(indicatedbytheorangeLIMITLED).
PUSH
1
3
2
NEW TIDE
PUSH
1
3
2
NEW TIDE
13.ACinletandfuseholder
CAUTION:Ifthereissomethingwrongwiththefuseorthefuseneedstochange,pleaserefertoaqualified
technician.Ifthefusecontinuestoblowafterreplacing,discontinueusingofthisunitbeforebeingrepaired.
14.PowerSwitch
TheswitchisusedtoturnthemainPOWERonandoff.Note:beforeturningontheunit,pleasemakesurethe
amplifiersofthesoundsystemareofftoavoidtheannoyingandsometimesdangeroussignalpeaks.
15.DigitalIn
UsethebalancedXLR-Fconnector(onecableisenoughtofeedbothinputsconnecttheprocessortounitsfitted
withAES/EBUdigitaloutputs.Inthiscase,thetwobypassedconventionwillimprovethequalityofthesignal.
Asignalconnectedtothedigitalinputhasthesameprocessingasthatconnectedtoanaloginput.TheDigital/
AnaloginputselectioncanbesetbyusingtheInputSelectfunction(UtilityMenu-Misc.SetupSubmenu).
UseittoconnectyourMAXIDRIVE3.4tothesuppliedACcord.PleasechecktheVoltageinyourcountryand
whatvoltageforyourMAXIDRIVE3.4isconfiguredbeforeattemptingtoconnecttheunitforthemainAC.The
fusecanprotecttheACsuppliescircuitoftheequipment.

6
4.GETTINGSTARTED
4.1Configurationofthesystem
Meanwhile,thesystemwillrestoretheexactoperatingconditionsatthetimeofswitchingoff.
16.RS485OUT
Thisisthestandardserialcommunicationinterfaceport.ItallowsoutgoingcommunicationbetweenaMAXI-
DRIVE3.4andPCorotherMAXIDRIVE3.4units.TheRS485interfaceisverysuitableforremotecontrolover
longdistances(difficultwithRS232standardports)anddaisy-chainingseveralMAXIDRIVE3.4.
17.RS485IN
ThefunctionoftheRS485INportisoppositetoRS485OUT.Itallowsincomingcommunicationbetweena
MAXIDRIVE3.4andPCorotherMAXIDRIVE3.4units.TheRS485interfaceisverysuitableforremotecontrol
overlongdistances(DifficultwithRS232standardports)andfordaisy-chainingseveralMAXIDRIVE3.4.
18.RS232
Thisistheserialcommunicationinterfaceport.ItallowsincomingandoutgoingcommunicationbetweenaMAXI-
DRIVE3.4andaPCorotherMAXIDRIVE3.4units.
Communicationprotocolincludes:
-Remotecontrol: 1).ConnecttheMAXIDRIVE3.4toaPC;2).ItispossibletousetheLTOeditingsoftware▲
tocontrolfunctionsofalltheprocessorremotely.
-PresetDump: 1).ConnecttwoMAXIDRIVE3.4;2).It'spossibletoDumpthesinglePresetsfromoneunitto
another(refertoDumpprocedure).
-ProgramChangecommandssend/receive: 1).ConnecttwoDAXIDRIVE3.4;2).WhenaPresetisrecalled
onthefirstone,it'spossibletosendaProgramChangecommandtothesecondonetorecallthesamePreset
number (refertoLoadPresetprocedure).
19.OUTPUTS
These(Outputs1~6)arebalancedXLR-Mconnectors.Thehighquality,lownoise,20bitconverterscanmake
A/Dconversion.
20.INPUTS
INPUTAandINPUTBarecompatiblewithbalancedXLRandJACK.Theyareaudioconnectorsoftherespective
sections.Thehighquality,lownoise,20bitconverterscanmakeA/Dconversion.
ThepowerfulversatilesignalprocessorMAXIDRIVE3.4ismainlydesignedforusewithaudiosystems.Itsrouting con-
figurationsoftheinputandoutputcanbeonlysetbyrecallingoneofthePRESETSincludedintheinternalmemory.
SotheusermustbeveryclearaboutthemainfunctionoftheunitinordertogetabestoperationofyourMAXIDRIVE3.4.
Beforeyoustartyouroperation,pleasereadthefollowingpartscarefully:
Atfirst,switchofftheequipment,carryouttheaudioandpowerconnectionfromthevariouscomponentsofyour
soundsystem.
Then,connectthemaincordandonlyswitchontheMAXIDRIVE3.4.Thedisplaywillshowthedataregarding
withtheoperatingsystemreleaseforafewseconds.
MAXD R IV E 3.4
Release 1 .0- -
I

7
AndthesystemWillenterintodefaultstatus,showingthemainoperatinginformationonthedisplay.
˙Loadthecontainingtheyou'vefound.FactoryPRESETconfiguration
˙PresstheKeyuntilthemenuLEDlightsup.MODEPRESET
Thedisplaywillshowthepage:LoadPRESET
˙SetalltheMAXIDRIVE3.4outputsinstatus(LEDslit)bypressingtherelativekeys.MUTE
˙thePRESETSUsethetofindthenecessaryFactoryPRESET(indicatedbytheletter).Checkthatif,amongDIALF
available,therearealreadysomeoptimisedforthespecificspeakerenclosuresbeing used.
˙Press.ENTER
ThedisplayshowsthePRESETloadedintheunitsmemoryandtherelativeconfiguration:
Proceedasfollows:
˙KeeptheMAXIDRIVE3.4outputsinstatus(LEDslighton).MUTE
˙MAXIDRIVE3.4'sFeedasignalinontheinputandwatchtheLEDladders.INPUTLEVELA-B
Toobtainagoodsignal/noiseratio,i.e.anup-frontdistortion-freesignal,keepthesignalquitehigh,but make
certaintheredCLIP LEDdoesn'tlightupcontinually.
˙MAXIDRIVE3.4Adjusttheinputgainifnecessary:
PressthekeyuntilthemenuLEDlightsup.MODEEDIT
Usetheandkeystogotothepage:PREVNEXTInputGain
Itismuchmoreimportanttosettheinputsignalofadigitalunitthanthatofexcessivelyananalogunit,because
highinputsignalswillmakeparticularlydistinctnoise(highanysaturationoftheA/Dconverterscauseatypical
levelsquarewave).
(example)
(example)
˙Press ENTER.
Thedisplaywillshowthepage(accordingtotheconfigurationINAGainorINA&BGain andotherutilitiesloaded
inthememory):
A13 B24 S56
2F2 x 2 W+2MAX
Load
3F2 x 3 W
Preset
4.2Adjustingtheinputsignal
A13 B245 6
3F2 x 3 W
In p u tGain
˙Findouttheoutputlevelsettingforyourmixer(orotherunit)andconnectittotheinputoftheMAXIDRIVE3.4.

8
4.3FirstSetup
˙checksDisabletheMUTEfunctionontheoutputsyouintendusingandlistenthesound,carryoutinstrumental
(ifyouhavethenecessaryequipment)andanycorrectionsrequired.
4.4Systemconfiguration
Theboldlettersindicatetheinputs:
A=InputA
B=InputB
S=SUM(sumofinputsAandB)
2U2 x 2 W+2MAX
A13 B24 S56
IN A GAIN & B .0dB0 IN A GAIN.0dB0
IN A GAIN.5dB2-IN A GAIN& B .0dB6+
˙Firstly,setthefollowingparametersinorder:shown
OutputPol.Polarityoftheoutputs
Xover Crossoverfrequencies(separationofthespeakerchannels)
OutputDelay Alignmentofthespeakerenclosurecomponents
OutputGain Levelsoftheoutputs
˙Then,ifnecessary,adjustthevaluesofthefollowingfunctions:
OutputEQ Outputequalizers
OutputLimiter Outputlimiters
UsethetochangethegainvalueandwatchthelevelofthesignalontheLEDladdersuntiltheidealvaluesDIAL
arereached.
Thenusetheandkeystoaccesstothepage(ifthereisone,thiswilldependonthecon-PREVNEXTINBGain
figurationandtheotherutilitiesloadedinthememory).
Repeatthesettingsasexplainedabove.
Atthispoint,thefirstcustomsetupcanbeprepared.
Thefollowingisonlythedescriptionofsetupprocedure.
Thedetailedspecificationsofeachparameterareshownintherespectiveparagraphsofthemanual.
Note: TheregulationoftheMAXIDRIVE3.4'sparametersiscloselyrelatedtothecharacteristicsofthecom-
ponentsofthesoundsystem.Soifyou'renottheexpert,pleaserefertothedocumentationandtechnical
specificationsofyourpoweramplifiers,loudspeakerenclosures,monitors,etc..Thiswillenableyouto
workfasterandsafely.
Note: Inthisfirstphaseofsettingupyoursoundsystem,theadjustmentofthesefunctions(whichifnotIndis
-pensableduringinstallation)canwait.Butdorememberthatadjustingtheequalizerscanalsoaffectthe
signallevel.Soifconsiderableequalizationchangesaremade,remembertocheckandadjusttheoutput
levelstoo,ifnecessary.

9
Numbersandindicatetherespectiveoutputs.1,2,3,4,56
Intheexample:
ThesignalconnectedtoInputisassignedtooutputsand.A13
ThesignalconnectedtoInputisassignedtooutputsand.B24
Theofthesignaloninputsandisassignedtooutputsand.SumAB56
Thesystemisthereforeconfiguredasshowninthefollowingdiagram.
A13B24S56 2-WAYSTEREO+2MONOAUX(2X2W+2MAX)
LEFT
RIGHT
HIGHLEFT
HIGHRIGHT
LOWLEFT
LOWRIGHT
MONOAUXL+R
MONOAUXL+R
IN
A
IN
A+B
IN
B
OUT
1
OUT
2
OUT
3
OUT
4
OUT
5
OUT
6
Thereare3categoriesofPRESETS:
F=FactoryPRESETS factoryprogrammed,cannotbepermanentlychanged.
4.6TypeofPRESET
4.5NumberOfPRESETS
10FactoryPRESETS,64UserPRESETSand128CardPRESETSareavailable.
F2 x 2 W+2MAX
A13 B24 S56
2
fromscratch.
U=UserPRESETS can beprogrammedbyusers.
C=CardPRESETS can beprogrammedbyusersandstoredonaMultimediaMemoryCard.
4.7NameofthePRESET
Intheexample,thenameindicatesatwo-waystereosystem+twoauxiliarymonooutputs.
FA13 B24 S56 2 2 x 2 W+MAX
Theseincludeallthesystem'susableconfigurations.
F2 x 2 W+2MAX
A13 B24 S56
2
ThesearethestartingpointsforCreatingUserPRESETSandCardPRESETS

10
4.8PRESETModifications
4.9.SystemProtection
5.THEMENUMAPCONFIGURATIONDESCRIPTION
5.1.PresetMenu
LoadPreset
StorePreset
DumpOutPreset
IncomingDump
menu
PRESET
U2 x 2 W+2MAX
A13 B24 S56
2
M
U2 x 2W+2AX
A13 B24 S56
2
TU2 x 2 W+2MAX A13 B24 S56
2
P
Thisindicatesthatthevalueofoneormoreparametershasbeentemporarilymodifiedwithrespecttothestored
inthePRESETshown.
Practicallyspeaking,thisindicationmeansthatthechangesmadetothePRESEThavenotbeenstored.
Note: onceithasbeenenabled,theindicationremainsevenifthe"original"valuesareresetmanually.
TheindicationdisappearsassoonasthePRESETissavedorassoonasanewPRESETisloaded(includ-
ingthissamePRESET).
Inotherwords,theindicationdisappearsassoonasstoredvaluesareaccessed.
IfthePRESETisn'tsaved,temporarychangesarelostassoonasanewPRESETisloaded(includingthissame
PRESET).
Note: temporarychangesarekeptontheotherhandinthe"buffermemory":whentheunitisswitchedon,the
systemmaintainsexactlythesamesettingsaswhentheunitwasswitchedoff,includingtemporarychanges.
Theseindicationsappearwhenthefunction(menu)isenabled,i.e.whenthesystemistotally()LOCKUTILITYT
orpartially()protectedagainstaccidentalorunauthorizedchanges(eveniftemporary).P
Protectionisensuredbya,withoutwhicheditingprocedurecan'tbeunlocked.password
Thecontrolsoftwareisorganizedinand,eachofwhichcontainstherelativePRESET,DELAY,EDITUTILITYmenus
typesofparametersandfunctions.

11
Thereare3distinctcategoriesofPRESETS:
User PRESETS
Card PRESETS
5.1.1LoadPRESET
ThismenupageallowstherequiredPRESETtobeloadedandmadeoperatively.
ToloadaPRESET:
˙UsethetoreachtherequiredPRESET.DIAL
10FactoryPRESETS,64UserPRESETSand128CardUserPRESETSareavailable.
thedisplayshowsthefollowingmessage:
˙Press ENTER.
Factory PRESETS
Load
2U2 x 2 W
Preset
+2MAX
Load
UPreset
64 *Default*A135
U
64 *Default*
B246
Load
CPreset 128 NOC A R D
A135
F3B246
2x 3 W
Scrollingthroughthe128memoryareasreservedfortheCardwhentheMultimediaMemoryCardisn'tinserted,
Factory-programmedstorage.
FactoryPRESETScanbeusednormally,temporarilymodified,butcan'tbecancelled,
overwrittenorpermanentlymodified.FactoryPRESETScontainsomespecificsettings
forcertaintypesofenclosuresandallthesystem'susableconfigurations.Forthis
reasonthey'retheidealstartingpointforcreatingcustomPRESETS.
Storeddatathatcanbeprogrammedbyusers.
UserPRESETSareinternalmemoryareasinwhichyourownpersonalsettingscan
besaved.
StoreddatawhichcanbeprogrammedbyusersonaMultimediaMemoryCard.
CardPRESETSareexternalmemoryareasinwhichyourownpersonal settingscan
besaved.
Note: sincethesystemmustalwaysbeconfigured,therearenoemptymemoryareas.AlltheUserandCard
areasunusedbycustomareautomaticallyoccupiedbythe,whichcontainsPRESETS*Default*PRESET
astandardstartconfigurationwithallthevaluesofthevariousparametersatzero.
ThesystemreturnstodefaultstatusandthedisplayshowstheinformationonthePRESETthathasjustbeen
loaded.

5.1.2Store&NamingPRESET
UsethismenutocreatenewPRESETS,i.e.tosaveallthecurrentsystemsettings.
TosaveaPRESET:
PressThepageappears,bymeansofwhichitspossibletoeditthenameoftheENTER.PRESETNaming
PRESETtobesaved.
remainsunvaried.
ThenameofthestartPRESET(i.e.ofthePRESETcurrentlyloaded)isproposedasdefault.Thecursortakesup
positiononthefirstofthetwelvecharacterspacesavailable.
Atthispoint:
˙Ifyoudecidetoacceptandconfirmthenamesuggested,press ENTER.
˙Ifyouwanttoabortprocedure(forexamplebecauseyou'vechosenthewrongmemoryarea)andNaming
returntoStorePRESETprocedure,press.ESC
˙IfyouwanttoassignanewnametothePRESETyou'restoring:
-usetheandkeystopositionthecursorontherequiredcharacter
-usetoenterthealphanumericvaluewantedDIAL
-afterfinishing,press ENTER.
12
Store
2U2 x 2 W
Preset
+2MAX
Store
3UOpe
Preset
raHal l 1Store
1CN
Preset
01 OC A R D
Pre s mn
i
2×Nae t 2W+2MAX
] ]
Note: Ifyou'reinoneofthe128memoryareasreservedfortheCardandyouremovetheMultimediaMemoryCard
beforepressingnothinghappens:thedisplayremainsunchangedandStoreprocedureENTER,PRESET
Note:FactoryPRESET#3Intheexample,,named"2x3W"hasbeenloaded:ItssystemconfigurationisInputA
signalassignedtooutputs1,3and5;InputBsignalassignedtooutputs2,4and6.
LoadingaPRESET,aPRESETChangecommandisalsoautomaticallysenttotheserialportsandcanbeused
toautomaticallyloadaPRESETwiththesamenumbertoanyotherMAXIDRIVE3.4unitsconnectedandenabled
(Refertomenusubmenuoption).UTILITY-Comm.Setup-PRESETChangeRX
UsetoreachthememoryareainwhichthePRESETistobesaved.DIAL
Note:FactoryPRESETFactoryPRESETS
PRESET,
UserPRESETCardPRESETUseror
Card
Inthisprocedure,theareasaren'tavailable,sincethecannotbe
permanentlyrememberthatitispossibletoloadaFactorymodified.Neverthelesssaveitina
orarea,modifyitasrequiredandthenstoreitagaininthesame
area.
Note:PRESETSScrollingthroughthememoryareas,thedisplayshowsthenumber,typeandnameofthe
containedinthem;scrollingthroughthe128CardmemoryareaswithouttheMultimediaMemoryCard,
awarningappearsonthedisplay:

5.1.3DumpOutPRESET
TodownloadaPRESET:
UsetoreachtherequiredPRESET.DIAL
PressENTER.
Note: Themenupageremains unchangedtoallowothertobedumped.PRESETS
AllthePresetsdata(name,configuration,parametervalues,etc.)areimmediatelytransmittedtotheunits
connectedtotheserialports(other,computers,etc.).MAXIDRIVE3.4
Note: Inorderforthetransfertohaveeffect,thereceivingunitsmustbeabletoidentifyandacceptIncoming
Dumpoperations.
5.1.4IncomingDump
13
SEND ACCEPT IGNORE
..
Preset#2
Preset#3
Preset#4
Preset#5
Preset#6
Preset#7
Preset#8
Preset#9
..
#2MySetup
#3MySetup5
#4LiveSet
Preset#5
#6Monitor
#7Monitor2
#8Monitor3
#9Side
..
..
#2SideField
#3Concert1
#4Concert2
#5Concert3
#6Concert4
#7Remote1
#8Remote2
#9Remote2
..
IncomingDump
MAXIDRIVE3.4#2
IncomingDump
MAXIDRIVE3.4#1
IncomingDump
MAXIDRIVE3.4#3
DUMP DUMP
..
Pre s mni
M×Nae t
2W+2MAX
] ]
Dumt
2x
Ou
2W+2MAX
Pre s e t
2
U
UsethismenupagetodownloadaPRESETviatheserialports.
Itisalsousedtoimmediately"copy"thesettingsofthevariousPRESETSofaMAXIDRIVE3.4toanother
MAXIDRIVE3.4.
Whentwoormoreareconnected,thePRESETsentbythetransmitting(TX)MAXIDRIVE3.4MAXIDRIVE3.4
overwrites(andthereforecancels)theexistingPRESETinthesamememorypositionofthereceivingMAXI-
DRIVE3.4(RX).
UsedtoacceptorignoretheDumpofaPRESETsentfromanotherorfromacomputerviaMAXIDRIVE3.4
serial.
Portssettingscanbe:

5.2.DelayMenu
Usethismenutoworkonthesystemsdelaylines.
ThepracticaldifferencesbetweenandDelayInputDelayOutput
ADelayisonlyaprocessorbymeansofwhichasignalisdeliberatelydelayedbyaprogrammablelength oftime.
Fromatechnicalpointofview,theDelaysappliedtotheinputsandoutputsareequivalent.
Nevertheless,theirapplicationisdifferent:
Inthesepages,thenumberoftheparametersandhowtheyarepresentedvariesaccording
totheconfigurationofthePRESETandaccordingtoandsettings(GangingUnitsUTILITYmenu).Infact,these
pagesonlyshowtheparametersthatcanactuallybeused,inthemostsuitable formofediting.
Parameters
Input Delay delays thesignalofaninput(orthesumoftheinputs)beforesendingittotheroutingsystem.
Inthisway,alltheoutputswhichdependonthatinputaredelayedbythe samelengthoftime.
AlsocalledinputDelayismainlyusedtocompensatefortheeffectsMasterDelay, duesto
thedistancebetweenthevariousspeakerenclosuresorbetweenvariousblocksofacomplex
14
InputDelay
OutputDelay
Parameters
menu
DELAY
Parameters
Ignorethedatareceivedviatheserialports. Acceptthedatareceivedviatheserialports.
INPUTDELAY
OUTPUTDELAY
DELAY
IncomingDump
n o reIgIncomingDump c e ptAc
soundsystem(forexampleinlargeconcerthalls,stadiums,etc.),Thusachievingvirtualalignment.

OutputDelay onlydelaysthesignalofaspecificoutput.
AlsocalledChannelDelay,outputdelayismainlyusedtocompensateforthe distance
betweendifferentblocksofthesamesoundsystem(forexample clusters)ortocorrect
internalalignmentofaspeakerenclosurecomponents.
5.2.1InputDelay
UsethismenupagetoadjustthedelaylinesofInputA,InputBandSUM.
Thevaluescanbesetinthefollowingranges:
Themeasurementunitcanbechosenwiththefunction(menusubmenu).DelayUnitUTILITY-Units
5.2.2OutputDelay
Usethismenupagetoadjustthedelaylinesofoutputs1,2,3,4,5,and6.
15
INA ADC
unit
m
mm
ms
range step
0.0~900.0 0.5
0~900000 7
0~2621 1
INPUTDELAY
us 0~2621438 21
Input Delay
IN A DELAY 7 7 mS
Outp u tDela y

16
Thevaluescanbesetinthefollowingranges:
Thevaluescanbesetinthefollowingranges:
5.3Editmenu
Thevaluescanbesetinthefollowingranges:
menu
EDIT InputGain
InputEQ
Xover
OutputEQ
OutputGain
OutputPol.
OutputLimiter
Parameters
Parameters
Parameters
Parameters
Parameters
Parameters
Parameters
Inthesepages,thenumberoftheparametersandhowtheyarepresentedvariesaccording
totheconfigurationofthePRESETandaccordingtoandsettings(menu).Infact,theseGangingUnitsUTILITY
pagesonlyshowtheparametersthatcanactuallybeused,inthemostsuitableformofediting.
Parameters
unit
m
mm
ms
range step
0.0~100.0 0.5
0~100000 7
0~291 1
OUTPUTDELAY
us 0~291271 21
OUTPUTDELAY
Components
Loudspeaker Alignment#1 DelayedVirtual Alignment#2 DelayedVirtual
OUTPUTDELAY
OUTPUT1
HIGH
OUTPUTDELAY
OP1DELAY=
0ms
18ms(65m)
14ms(5m)
OP3DELAY=
4ms
OUTPUT3
LOW
4ms
5.3.1InputGain
Inputgaincontrol.
0P1 DELAY292uS

17
AllowstoadjusttheamplificationofthesignalfedinthroughInputsAandB.
Editingvaluesareintherange +6dB~-30dB,with0.5dBsteps.
5.3.2InputEQ
Inputequalizerwith5parametricfilters.
Allowstoaltertheoveralltoneofthesignalconnectedtotherespectiveinput.
AlsocalledtheequalizationoftheinputsignaleffectsalltheoutputsconnectedtotheMasterEQ, inputand
theinputSUM.
Thiscomponent'scharacteristicqualityandprogrammability(identicaltotheoutputEqualizer)enable itto
beUsedsoeffectivelyandflexiblyastomaketheuseofgraphicequalizersoftenunnecessary.
Eachequalizerhas5pages(oneforeachfilter),showingthenameoftheinputitaffectsandthe number
ofthefilter.
Thefollowingeditableparametersareavailableforeachfilter:
AllowstochooseamongPeaking,LoworHighShelvingwithaslopeof6or12dBperoctaveand Notch
filter.
Peaking LowShelving HighShelving Notch
17
a.Typeoffilter
Peaking LowShelving HighShelving Notch
INA ADC INA ADC
Input Gain
INAGAIN-2.5dB
Input EQ
IN A EQ1-5.0 kaeP
1.02 k 00
INAEQ1-5.0 kaeP
1.02 k 00
Note:Settingtheinputsignalofadigitalunitisparticularlyimportant,muchmorethanonananalogunit,as
anysaturationoftheA/Dconverterduetoanexcessivelyhighinputsignalcausesatypicalparticularlydistinct
noise.Toachieveagoodsignal/noiseratio,i.e.anup-frontdistortionfreesignal,feedasignalinontheMAXI-
DRIVE3.4'sinputandwatchtheLEDladders.KeepthesignalquitehINPUTLEVELA-B igh,butmakecertain
theredLEDdoesn'tlightonCLIP continually.

18
b.CentreFrequency/CutoffFrequency
Peaking LowShelving HighShelving Notch
c.Bandwidth
AllowstochoosethewidthinoctavesofthePeakingorNotchtypecurve.ItsnotusedwithShelving
curves.
Peaking Notch
d.Gain
Allowstocontroltheboostorcutoftheselectedfrequencies.
It'snotusedwiththewhichhasafixedcut.NotchFilter,
Peaking LowShelving HighShelving
IN A EQ1-5.0 kaeP
1.02 k 00
IN A EQ1-5.0 kaeP
1.02 k 00
INAEQ1-5.0 kaeP
1.02 k 00
AllowstochoosethecentrefrequencyofthePeakingcurveandNotchfilter,orthecutofffrequencyofShelv-
ingcurves.

19
Thevaluescanbesetinthefollowingranges:
5.3.3Xover
Low-passandhigh-passfilters.
Madeupofacombinationofalow-passfilterandhigh-passfilter,thecrossoverallowstodividethe
intosegmentsthatcanbeusedbytheindividualsectionofasoundsystem(forexample audiosignal High,Mid&Low).
EachXoverhas2slightlydifferentpages(oneforeachfilter),wherethenameoftheoutputitaffects andthe
typeoffilterareshown.
LowPassFilter
HighPassFilter
Thehigh-passfilterallowsallthefrequenciesaboveaspecificfrequencytopass,whereasitcutsallthe frequencies
belowit.
LPF HPF HPFLPF
SignalsegmentobtainedwiththecombinationofLPFandHPF.
Xover
Output1-LowPassFilter
PO10 LPF h ruT
1 k 0 0 Hz
Output1-HighPassFilter
OP1HPF h ruT
1 k 0 0 Hz
~
~
~
Thelow-passfilterallowsallthefrequenciesbelowaspecificfrequencytopass,whereasitcutsallthefrequencies
aboveit.