User Manual

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OSCILLATORS:
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The three Oscillators have identical sets of controls. All have further parameters available
for adjustment via the menu system; these are described in detail later in the User Guide.
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Range – steps through the oscillator’s base pitch ranges. For standard concert pitch
(A3 = 440 Hz), set to 8’.
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Coarse – adjusts the pitch of the selected oscillator over a range of ±1 octave.
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Fine – adjusts the oscillator pitch over a range of ±100 cents (±1 semitone).
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Wave – steps through the range of available oscillator waveforms – sine, triangular,
sawtooth, pulse and more (the menu offers various additional waveforms for more).
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Mod Env 2 Depth – controls the degree by which the oscillator pitch changes as a
result of modulation by Envelope 2. All Modulation Depth controls are “centre-zero” and
thus both pitch increases and decreases can be obtained.
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LFO 2 Depth – controls the degree by which the oscillator pitch changes as a result of
modulation by LFO 2. Pitch changes are bi-polar (up and down); uni-polar pitch modulation
is available by the use of the Modulation Matrix.
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Source – this button selects a source for further variation of the waveform shape. The
options are: modulation by Envelope 1 (Mod Env 1), modulation by LFO 1 (LFO 1) or
manual control by the Shape Amount control
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.
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Shape Amount – controls further modifications of the waveform shape, and is active
for all wave shapes. With pulse waves, it adjusts the pulse width; with sine, triangle and
sawtooth waves, it makes subtle changes to the wave shape. When more is selected by
the Wave switch
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, the control selects different areas of the wavetable. When Source
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is set to Mod Env 1 or LFO 1, it acts as a Modulation Depth control. Note that the
wave shape may be modulated by more than one source simultaneously, by differing
amounts.
LFO 1 & LFO 2:
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The two LFOs have identical sets of controls. Both have further parameters available for
adjustment via the menu system; these are described in detail later in the User Guide. The
outputs of either LFO may be used to modulate numerous other synth parameters.
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Type – steps through the available waveforms: triangle, sawtooth, square, sample and
hold. The associated LEDs give a visual indication of the LFO speed and waveform.
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Fade Time – sets the timing of the LFO’s action: it is possible to “ramp” the LFO up or
down or to delay its effect. The options are set in the LFO menu.
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Range – selects High or Low; the third option is Sync, which synchronises the LFO
frequency to the internal arp clock or to an external MIDI clock if one is present..
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Rate – sets LFO frequency.
MIXER:
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Osc 1 – controls level of Oscillator 1’s waveform.
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Osc 2 – controls level of Oscillator 2’s waveform
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Osc 3 – controls level of Oscillator 3’s waveform
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Ring 1*2 – controls the Ring Modulator output level: the inputs to the Ring Modulator
are Osc 1 and Osc 2.
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Noise – controls how much white noise is added.
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VCA Gain – this effectively controls the mixer output level: it adjusts the signal level
between the Amp Envelope and Effects sections. See page 17.
AMP ENVELOPE, MOD ENVELOPES:
All three envelopes have further parameters available for adjustment via the menu system;
these are described in detail later in the User Guide.
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Amp Envelope controls – a set of four 30 mm sliders adjusting the standard ADSR
parameters (Attack, Decay, Sustain and Release) of the amplitude envelope.
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Mod Envelope controls – an identical set of sliders, adjusting the parameters of the two
modulation envelopes (see
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below).
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Select – Peak generates two independent Mod Envelopes; this button selects which
of these (Mod 1 or Mod 2) the Mod Envelope sliders
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control.
GLIDE:
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Time – sets the portamento glide time.
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On – enables/disables the Glide function.
ARP:
The Arpeggiator has further parameters available for adjustment via the menu system;
these include basic settings such as BPM, pattern selection and octave range. These are
described in detail later in the User Guide.
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On – turns the Arpeggiator on and off.
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Key Latch – when the Arpeggiator is running, pressing Key Latch simulates the effect
of holding the keys down continuously, until the keys are released.
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Gate – sets the basic duration of the notes played by the Arpeggiator.