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.
M A X D R I V E
3 . 4
R e l e a s e 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
2 F 2 x 2W + 2 M A X
Load
3 F 2 x 3W
Preset
4.2Adjustingtheinputsignal
A13 B245 6
3 F 2 x 3 W
I n p u t G a i n
Findouttheoutputlevelsettingforyourmixer(orotherunit)andconnectittotheinputoftheMAXIDRIVE3.4.
8
4.3FirstSetup
checksDisabletheMUTEfunctionontheoutputsyouintendusingandlistenthesound,carryoutinstrumental
(ifyouhavethenecessaryequipment)andanycorrectionsrequired.
4.4Systemconfiguration
Theboldlettersindicatetheinputs:
A =InputA
B =InputB
S =SUM(sumofinputsAandB)
2 U 2 x 2 W + 2 M AX
A13 B24 S56
I N A
G A I N
& B
. 0 d B0
I N A
G A I N
. 0 d B0
I N A G A I N
. 5 d B2-
I N A G A I N& B
. 0 d B6+
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.
F 2 x 2 W+ 2 M A X
A13 B24 S56
2
fromscratch.
U =UserPRESETS can beprogrammedbyusers.
C =CardPRESETS
can beprogrammedbyusersandstoredonaMultimediaMemoryCard.
4.7NameofthePRESET
Intheexample,thenameindicatesatwo-waystereosystem+twoauxiliarymonooutputs.
F
A13 B24 S56
2 2 x 2 W + M A X
Theseincludeallthesystem'susableconfigurations.
F 2 x 2 W + 2 M A X
A13 B24 S56
2
ThesearethestartingpointsforCreatingUserPRESETSandCardPRESETS
10
4.8PRESETModifications
4.9.SystemProtection
5.THEMENUMAPCONFIGURATIONDESCRIPTION
5.1.PresetMenu
LoadPreset
StorePreset
DumpOutPreset
IncomingDump
menu
PRESET
U 2 x 2 W + 2 M A X
A13 B24 S56
2
M
U 2 x 2W + 2 A X
A13 B24 S56
2
T
U 2 x 2 W + 2 M A X
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
2 U 2 x 2 W
Preset
+ 2 M A X
Load
U
Preset
64
* D e f a u l t *
A135
U
64
* D e f a u l t *
B246
Load
C
Preset
128
N O C A R D
A135
F3
B246
2
x 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
2 U 2 x 2 W
Preset
+ 2 M AX
Store
3 U O p e
Preset
r a H a l l 1
Store
1 C N
Preset
01 O C A R D
P r e s m n
i
2
N ae t
2 W
+
2 M A X
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
..
P r e s m ni
M
N ae t
2 W
+
2 M A X
D u m t
2
x
O u
2 W + 2 M A X
P r e 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
I n c
o
m i n
g
D u m
p
n o r eI g
I n c
o
m i n
g
D u m
p
c e p tA c
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
I N A DELAY
7 7 m S
O u t p u t D e l a 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 D E L A Y
292u S
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 G a i n
I N
A
G A I N
- 2 . 5 d B
Input E Q
I N A E Q 1
- 5 . 0
kaeP
1 . 02 k 00
I N
A
E Q 1
- 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
I N A E Q 1
- 5 . 0
kaeP
1 . 02 k 00
I N A E Q 1
- 5 . 0
kaeP
1 . 02 k 00
I N
A
E Q 1
- 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
PO 1
0
L
P
F h
r
uT
1 k 0 0 H z
Output1-HighPassFilter
O P 1 H
P
F h
r
uT
1 k 0 0 H z
~
~
~
Thelow-passfilterallowsallthefrequenciesbelowaspecificfrequencytopass,whereasitcutsallthefrequencies
aboveit.
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