Alesis X Owner's Manual page 10

FX1 (Multi-Effect Module 1, Mono to Stereo Effects)
This module gives you a choice of mono effects. You may assign one effect at a time to this module.
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Auto Wah
A wah sound controlled by playing intensity. Attack the strings aggressively for more
effect. Higher values indicate higher input sensitivity.
Pedal-Controlled Wah
A wah sound controlled by moving the optional expression pedal up and down as you
play.
Phaser
An effect that shifts the phase of the signal and adds it to the original sound (in
simpler terms, it adds a duplicate signal that is delayed a bit). The phaser gives your
guitar a full, pulsating sound. Higher values result in more feedback, producing a more
intense effect.
Pedal-Controlled Phaser
A phaser effect with its feedback controlled by the expression pedal.
Tremolo
Varies the volume of the signal, creating a rising and falling effect. Higher values result
in greater depth of variation.
Pedal-Controlled Tremolo
A tremolo effect with its depth controlled by the expression pedal.
Ring Modulation
An effect that modulates the amplitude of the signal, giving it a metallic sound. Higher
values result in greater modulation depth.
Pedal-Controlled Ring Modulation
Ring modulation with its depth controlled by the expression pedal.
Cry
Creates an effect similar to that of a voice box, adding a human-like crying effect to
the sound. Higher values result in greater intensity.
Pedal-Controlled Cry
A cry effect with its filter frequency controlled by the expression pedal.
Random Sample and Hold Step Filter
For this effect, the filter cutoff frequency changes abruptly to a new psuedo-random
value at a fixed time interval, producing an arpeggiator-like sound.
Pedal-Controlled Step Filter
A step filter with its depth controlled by the expression pedal.
Slow Attack
Reduces the attack rate of the signal, slowing the rate at which the volume of the
sound rises when you attack a string. Higher values result in higher sensitivity.
Auto Pan
Pans the signal back and forth from left to right at a constant rate determined by the
PARAM setting. Higher values result in increased pan depth.
Flanger
Shifts the pitch of the signal up and down, creating a swirling effect. Higher values
result in longer delay.
Pedal-Controlled Flanger
A flanger with its delay controlled by the expression pedal.