Phaser effect 135
PRO2 Live Audio System
Owner’s Manual
Phaser effect
The phaser effect consists of one, or if configured for dual operation, two stereo phasers
connected in serial/parallel according to mode setting.
Front panel of the phaser effect
14 Depth control
knob
LFO Sweep section control for adjusting the intensity
of the effect by setting the depth of modulation as a
percentage. Interactive with Delay, as for Chorus.
Range is 0% to 100%.
15 Thru Zero switch LFO Sweep section control for selecting ‘thru zero’ or
normal mode. Illuminates to indicate switch is on.
16 Spread control
knob
LFO Sweep section control for setting the relative
phase of left/right modulation. Range is 0 to 180,
with 90 at top dead centre.
17 Shape control
knob
LFO Sweep section control for adjusting the shape of
the modulation waveform. Range is from Tri
(triangle) to Exp (exponential).
18 Rate control knob LFO Sweep section control for adjusting the rate of
modulation (Hz). Range is between 0.01 and 50,
with 0.7 at top dead centre.
Item Control Function
1 rate control knob
(channels 1 and 2)
Controls the rate of modulation in Hz. Range is from
0Hz and 40Hz.
2 manual control
knob (channels 1
and 2)
Sets the sweep offset or performing manual sweep.
Range is from 500Hz to 24kHz, with 3k5Hz (3,500Hz)
at top dead centre.
3 Modulation meter A single row of 15 yellow rectangular LED segments
are used to show the modulation on each channel.
4 hi eq control knob Adjusts the amount of HF (high EQ) cut or boost
applied to the effect output (in dB). Range is from
-12dB to +12dB with 0dB at top dead centre.
5 lo eq control knob Adjusts the amount of LF (low EQ) cut or boost
applied to the effects output (in dB). Range is from
-12dB to +12dB with 0dB at top dead centre.
6 gain control knob Adjusts the signal level (dB). Range is from -20dB to
+20dB, with 0dB at top dead centre.
Item Control Function
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