Phaser effect
Item
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PRO1 Live Audio System
Operator Manual
Control
Function
feedback control
Adjusts the amount of negative/positive feedback
knob
applied to the phaser. Range is from -100% to
+100%, with 0% at top dead centre.
spin control knob
Adjusts the amount of relative phase of left/right
modulation. Range is from 0% to 100%.
STAGES button
Selects the number of all pass stages, which sets the
number of notches in the frequency response.
SWEEP button
Sets the modulation waveform shape.
MODE button
Selects the operating mode: single; dual series; dual
parallel; linked series; or linked parallel. When
linked, modulation of phasers 1 and 2 are linked.
ON button
Switching the phaser effect on and off. Illuminates to
indicate effect is on.
depth control
Controls the intensity of the effect by setting the
knob
depth of modulation. Range is from 0% to 100%.
blend control knob
Adjusts the mix between dry (0%) wet (100%).
Mode
Displays the current mode, selected by the MODE
switch.
Input meters
Two rows of 15 green LEDs — one row each for
L (left) and R (right) — comprise the input meters.
Sweep
Displays the sweep, selected by the SWEEP button.
Output meters
Two rows of 15 green LEDs — one row each for
L (left) and R (right) — comprise the output meters.
Number of all pass
Displays the number of all pass stages, selected by
stages
the STAGES button.
133
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