DigiTech RP21D - Manual (Page 37)

Depth This parameter controls the amount of modulation depth in the phaser. Range is 0 to 100%.
Feedback This parameter controls amount of feedback in the phaser effect. Range is 0 to 100%.
Output A-B This parameter sets output of the pedal phaser effect. Range is from 0 to 100%.
Pan A-B This parameter sets pan of the pedal Phaser Range is from 0 to 100%.
Rotary Speaker Simulator
The Rotary Speaker Simulator allows you to emulate the classic rotating speaker sound, without the chiropractic problems that come with
moving bulky speaker cabinets. The Rotary speaker is directly responsible for some of the most unique sounds in music. The applications
for this effect are so diverse, it can be used to achieve sounds ranging from the Allman Brothers Band to the legendary Stevie Ray Vaughan.
A unique parameter in the Rotating Speaker simulation is the Acceleration parameter. This parameter is used emulate the the time that it
takes to get the Speaker up and spinning at full speed. The parameter can be assigned to a footswitch or the expression pedal so you can
control the acceleration speed.
Rotary Speaker Simulator Parameters:
FX: Lvl
Controls the signal input level fed to the Module. Ranges from Off to 100%.
Dry: Lvl Controls the level of the dry (uneffected) signal. Ranges from Off to 100%.
Balance Controls the positioning of the dry signal in the stereo soundfield. Ranges from -99 (all left) to 99 (all right)
Mode Selects which speed mode the Rotor and Horn are in. Settings are fast or slow.
Spread Sets the horn stereo microphone spread. Ranges from 0 to 100%.
H - R: Level Sets the overall level of the Rotor or Horn. Ranges from Off to 100%.
Slo - Fast Hrn Speed Controls the Low Frequency Oscillator (LFO) speed of the Horn. Ranges from 0.06 to 16.0 Hz.
Slo - Fast Hrn Depth Controls the intensity of the rotating effect. Ranges from 0 to 30 milliseconds.
Slo - Fast Hrn Doppler Sets the amount of shifted pitch heard in the Horn. Ranges from 0 to 50 milliseconds.
Slo - Fast Rtr Speed Controls the Low Frequency Oscillator (LFO) speed of the Rotor. Ranges from 0.06 to 16.0 Hz.
Slo - Fast Rtr Depth Controls the intensity of the rotating effect. Ranges from 0 to 30 milliseconds.
X-Over Selects the frequency where the signal is split between the Horn and Rotor. Ranges from 25Hz to 20kHz.
Acceleration: H - R Sets the amount of time that the Rotor and Horn take to come up to their full rotating speed. Ranges from 0 to 10
seconds.
Tremolo and Auto-Panner
Look out, because the popular Tremolo and Auto panner effects of the 50’s and 60’s are back with a vengeance. These effects that revolu-
tionized “Surf-Style” music can be heard all over the air waves in the 90’s. Tremolos and auto panners are similar to one another in that they
both use an LFO to modulate input levels to produce vibrato effects.
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RP21D User’s Guide Section Two - Editing Functions