Controllers and Modifiers
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AUTO DELAY - When set to ON, any delay blocks that are bypassed will become active whenever
a new tempo is input. This allows recalling a preset with a delay block bypassed and then
automatically activating the delay when tapping in a new tempo.
LFO's
The Axe-Fx contains two Low Frequency Oscillators (LFO's) that can generate various low-
frequency waveforms for use in parameter modulation. The controls for each are identical.
TYPE - Sets the waveform type.
RATE - Sets the frequency of the LFO.
DEPTH - Sets the amplitude of the LFO.
DUTY CYCLE - For all waveforms except sine this allows you to vary the shape of the wave.
OUTB PHASE - Sets the phase of the secondary output (Output B). At maximum the secondary
output is out of phase with the primary output (Output A).
TEMPO - Locks the LFO frequency to the current tempo. This overrides the RATE control.
ADSR's
The Axe-Fx contains two Attack-Decay-Sustain-Release (ADSR) generators. These can be use to
generate sequences that can then be used to control parameters. The graph shows the relative shape
of the ADSR curve as its parameters are adjusted.
MODE - Selects the trigger mode of the ADSR:
• ONCE: The sequence plays when the threshold is exceeded.
• LOOP: The sequence repeats as long as the signal is above the threshold.
• SUSTAIN: The sequence stays at the sustain level until the signal drops below the threshold.
The remainder of the sequence is then played.
RETRIG - When Retrig is on, sequences will reset to the beginning whenever the threshold is
crossed from below to above.
ATTACK - The attack or rise-time of the sequence. This is the first line in the graph.
DECAY - The time to go from the peak level to the sustain level. The second line in the graph.
SUSTAIN - The time the sequence remains at the sustain level. The third, flat, line.
LEVEL - The sustain level in percent of full-scale.
RELEASE - The time to go from the sustain level to zero. The last line in the graph.
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