Lexicon MPX 100 Manuel d'utilisateur

User GuideMPX 100 Dual Channel ProcessorStereo 44.1kHz S/PDIF Digital Output

Basic Operation7Use the PROGRAM knob toselect the Single, Dual orUser effect you want.Turn VARATION toselect one of 16programs.Selecting ProgramsAll o

8Dual ProgramsWhen one of the Dual Programs is se-lected, the VARIATION knob will load 16different programs, each containing two ef-fects.User P

Use Adjust toedit the currentprogram.Editing MPX 100 programs is easy. We'vearranged the critical parameters of eachprogram under the front

10Tap Tempo FunctionsVarying the RhythmThe MPX 100 Tap Tempo feature al-lows you to set the delay times and modula-tion rates of tempo-based programs

11BypassSetting Tempo via MIDIWhen used in conjunction with the Learnfeature, Tap can be set remotely from anyMIDI device. MIDI controllers, su

12Storing ProgramsWhen you want to save a program,press Store. The Store LED will flash slowlyto indicate that the MPX 100 store function isarme

System parameters and MIDI dumpsare activated in System mode. To enter thismode, press and hold Bypass for approxi-mately 2 seconds. The Bypass an

14Variation State when Edit LED is:Setting Parameter On Off1 Bypass Mute Bypass*2 Patching Disabled Enabled*3 Program Load Mute Bypass*4 Digital Outpu

15System Mode Parameters1 Bypass Mute/BypassThis parameter sets the Bypass button (orthe footswitch, or MIDI controller assigned toBypass) to mute th

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Lexicon Part #070-11935Unpacking and InspectionAfter unpacking the unit, save all packing materials in case you ever need to re-ship. Thoroughly inspe

17The 240 programs in the MPX 100 aredesigned to provide a full palette of highcaliber ambience, reverb, delay, pitch shiftand other effects. A

18PlatePlate VARIATIONs Adjust Tap1 Small Plate Liveness –2 Medium Plate Liveness –3 Large Plate Liveness Predelay (1/32 Note)4 Larger Plate Decay Tim

19GateIn the MPX 100, the Gate program pro-vides a fairly constant sound with no decayuntil the reverb is cut off abruptly. This pro-gram works well o

20HallThe clean reverberation of the Hall pro-gram is designed to add spaciousness, whileleaving the source material unchanged. Inaddition to general

21ChamberIn the MPX 100, the stereo Chamberprogram produces an even, relatively dimen-sionless reverberation, with little change incolor as the

AmbienceThe Ambience program simulates reflec-tions from room surfaces with random reflec-tions, a gradual decay of overall level, and agradual narrow

RoomThe Room program is very useful ondrums and percussion and can also be ap-plied to electric guitar tracks.The variations (9-16) provide a se

TremoloThe MPX 100 tremolo variations offer avariety of tremolo shapes (square, sawtooth,triangle, sine and rectified sine). The syn-chronization of

RotaryThe MPX 100 rotary effect is a detailedsimulation of a Leslie-style cabinet. The in-put signal is split into high and low frequencybands. The ro

ChorusThe stereo Chorus program uses six in-dependently randomized delay voicespanned across the stereo field. This pro-gram, inherited from

Program Descriptions...17Single Programs ...

FlangeIn the MPX 100, the stereo Flanger hastwo 2-tap delays —one per channel. The firsttap is fixed, and the second sweeps past it.Mixing the two del

PitchThe stereo polyphonic Pitch program inthe MPX 100 allows complete program ma-terial or monophonic sources to be shifteddown two octaves or up one

DetuneThe 4-voice stereo Detune program inthe MPX 100 has one pair of voices perchannel. As more detune amount is applied(with Adjust), t

Delay, Echo30Delays and echoes are effects that repeat a sound a short time after it first occurs.The simplest (and oldest) delay effect is tape slap

31When using any type of delay or echoeffects with music, always pay attention tothe way the repeats fall rhythmically to thebeat. The most ef

About the Dual ProgramsThe MPX 100 Dual programs combineeither a Delay or Reverb algorithm with aFlange, a Pitch or a Chorus. Effects Lvl/Balcontrols

33 Generally, the Effects Lvl/Bal knob con-trols the balance of the two effects in eachdual program. In the cascade variations,rather than simpl

34Flange-Delay VARIATIONs Adjust Tap Routing1 Deep Flange - Stereo Delay Delay/Echo Feedback Delay Time (1/4 Note)2 Deep Flange - Stereo Delay Delay/E

35Pitch – DelayPitch-Delay VARIATIONs Adjust Tap Routing1 5th Up/Down - Stereo Quarter-Note ± 5th Delay Time2 Octave Up/Down - Triplet Shuffle ± 1 oct

36Chorus – DelayChorus-Delay VARIATIONs Adjust Tap Routing1 Rich Chorus 1 - Stereo 1/4 Note Delay/Echo Feedback Delay Time2 Rich Chorus 1 - Dotted 1/

Getting Started1IntroductionThank you for your purchase of the MPX100 Dual Channel Processor.The MPX 100 is a true stereo dual-channel processo

37Delay – ReverbDelay-Reverb VARIATIONs Adjust Tap Routing1 Stereo 1/4 Note - Small Space Decay Time Delay Time2 Triplet Shuffle - Medium Space Decay

38Flange – ReverbFlange-Reverb VARIATIONs Adjust Tap Routing1 Light Flange - Small Space Decay Flange Rate (Whole Note)2 Light Flange - Medium Space D

39Pitch – ReverbPitch-Reverb VARIATIONs Adjust Tap Routing1 Minor 3rd to 4th - Room 3rd to 4th Up PreDelay (1/32 Note)2 4th to 5th - Room 4th to 5th U

40Chorus – ReverbChorus-Reverb VARIATIONs Adjust Tap Routing1 Rich Chorus 1 - Small Space Decay Time —2 Rich Chorus 1 - Medium Space Decay Time —3 Ric

41The Special FX variations showcase theflexibility and creative possibilities of theMPX 100. Adjust is completely different ineach of the Variat

42When shipped from the factory, the six-teen MPX 100 User locations contain dupli-cates of the following programs:UserVARIATION1 Plate 22 Gate 93 Hal

43MIDI OperationMPX 100 MIDI BehaviorThe MPX 100 “learns” MIDI Channel, Pro-gram Change and Continuous Controllers inits Learn Mode.Any of these contr

44Assigning a MIDI Channelfor Program LoadIn order to use Program Change mes-sages for Program loads as well as to controlfront panel buttons, the

45Using Program Change Messages forProgram LoadThe MPX 100 will allow loading of all of its240 preset and 16 User programs via stan-dard MIDI Progra

46Learning ContinuousControllersThe MPX 100 recognizes Pitch Bend,AfterTouch and MIDI Continuous Controllers1-31 and 33-119. To Learn a Con

InputSets the level of the incomingsignal. LEDs indicate accept-able signal level (green), orclipping (red).OutputControls the analog output level.

5. Simultaneously press Store and Tap toexit. The Store LED will flash rapidly if youhave created or changed any assign-ments.47Activating Bypass

48Clearing a LearnedAssignment1. Simultaneously press Store and Tap toenter Learn Mode. (The Store LED flashesslowly and the Tap LED lights steadily t

49MIDI ClockThe MPX 100 recognizes MIDI Clock mes-sages and applies the tempo (40-400 BPM)to any program which utilizes the Tap-tempofeature. Connect

Lexicon MPX 100Function Transmitted Recognized RemarksBasic Default X 1 LearnedChannel Channel X 1-16Mode Default Mode 2Messages X XAltered XNote X XN

Program X 0-15=1-16 16-127 ignored; Program messageChange True # 1-15=Program Change 1-16 forcurrent Program GroupBank Select X OSystem Lexicon O O Pr

Specifications subject to change without notice.SpecificationsAudio Inputs (2)Level -30dBu to +4dBuImpedance 500K unbalanced forDirect Instrument inpu

Setting Audio Levels1. Start with INPUT set to 9:00 o'clock andOUTPUT all the way down (fully counter-clockwise).2. Set the instrument output or

Rear Panel Connections4MIDITwo 5-pin DIN MIDI connectorsare provided for MIDI IN and soft-ware selectable MIDI OUT/THRU.POWERUse Lexicon 9VAC powe

HeadphonesA stereo signal which is adequate to driveheadphones is available at the left output(provided no connections are made throughthe right ou

Modes of Operation6The MPX 100 can be used as two indepen-dent Effects Processors with Dual ProgramVariations 11-16. Designate two auxiliarysends