Owners Manual
NOTE To achieve a classical sync-sound, set the coupledoscillator at least two octaves higher than the masteroscillator or make sure, it heavily modul
NOTE The PerFourMer MKII's FM-function is static in prin-ciple. To create dynamically developing FM-sounds,comparable to the famous DX-series syn
Filter Section (VCF)The filter shapes the oscillator's output signals, either one of the availablewaveforms, the noise generator's output or
RESONANCEResonance is a feedback circuit within the filter that emphasizes the cut-o! frequency. Higher values can color the sound significantly, which
Amplifier Section (VCA)A voltage controlled amplifier (VCA) controls each synthesizer channel'soutput. This allows manual control over the output
PANThe PAN control places the synthesizer channel's sound within thestereo image. At its center position, the PerFourMer MKII's left and rig
Modulation Generator (LFO)The LFOs (Low Frequency Oscillators) allow creating cyclic repeating modu-lations of the oscillators and filter. The PerFourM
Extended LFO SettingsSelecting between saw tooth and square waveformsEDIT-Parameter 7 allows changing of the LFO's first waveform. Edit functionLF
LFO > MIDI-clock-synchronizationAll of the PerFourMer MKII's LFOs can be beat-synced to a MIDI-clock. MIDI-clock-synchronization can be enable
NOTE Changes from one scaling factor to another will takeplace after a waveform cycle has been completed. Donot worry about a possible delay after swi
IntroductionIn a choir, a string- or brass section, every voice has its own character, itssonic individuality, its proprietary modulation and its spec
Envelope Generator (ADSR)The envelope generator (EG) generates a control voltage that can modulatethe VCO and VCF as well as the VCA. The envelope gen
LegatoEach of the PerFourMer MKII's synthesizer channels allows its legato-modeto be enabled independently. In legato-mode, the envelope generato
Additional Control ElementsTRIGThe TRIG-button starts a single note or a sequence to play the Per-FourMer MKII's sounds without any keyboard or s
MASTER VOLUMEThis control sets the overall output volume. It a!ects the rear-outputs aswell as the headphone output but it doesn't a!ect the indi
1V/OCTAVE CV INPUT/GATE INPUT (optional)The PerFourMer MKII can optionally be equipped with CV/Gate-inputs. Withthis option installed, all four synthe
Programming SectionThe rightmost section of the PerFourMer MKII's panel serves to adjust theMIDI-channels, EDIT-parameters and PLAYMODES with the
played independently in Mono-1-mode, disregarding the selectedPLAYMODE setting.NOTE Mono-1-mode allows stacking of synthesizer chan-nels. Here, you ma
With oscillators, filters and modulators being set di!erently on all fourchannels and spread across the stereo image, a sequence can drasticallychange
DUO 2 (D2)This PLAYMODE allows the two voice units to be played duophonically.Owner's Manual VERMONA PERfourMER MKII- 28 -
Edit-ModeThe edit-mode allows adjusting di!erent settings for the individual synthe-sizer channels as well as global settings for the PerFourMer MKII.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the app
6 - LEGATOThis parameter enables/disables the legato-mode. With legato enabled,the envelope will not be retriggered with adjacent notes playedoverlapp
Declaration of ConformityWe declare under our sole responsibility that this product is in conformitywith the following standards or standardization do
Table of Contents1 Introduction 2...2 I
6.2.5. DUO 1 (D1) 27...6.2.6. DUO 2 (D2) 28...
Getting StartedTo ensure top quality we carefully inspected the PerFourMer MKII beforepackaging. Nevertheless, the unit could have been damaged during
Oscillator SectionOscillators form the base of every synthesized sound. They o!er di!erentwaveform shapes to create various audio spectra. Each PerFou
OCTAVEsets this oscillator's base octave to 32', 16', 8' or 4'.In setting "HI" and "LO" the oscillator do
dysfunctional with any other selected waveform. Using a sine waveformto modulate the pulse width results in a sound-thickening-e!ect,comparable to a s
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