DigiTech RP21D - Manual (Page 41)

C/F: Delay Controls the delay time of the Chorus or Flanger voice. Ranges from 0 to 40 milliseconds.
Delay Time Sets the delay time for the delay tap. Ranges from 0 to 300 milliseconds.
Feedback Controls the fade time of the delay repeats. Higher settings take longer to fade out, while a setting of zero will limit
the delay to one repeat. Ranges from 0 to 99%.
TapIt Allows you to change the Delay time in real-time by tapping the TAPIT button at the tempo you want. Delay voice
percentages do not change when using this control.
Level: C/F/D Controls the overall output level of each effect block. Ranges from Off to 100%.
Pan: C/F/D Controls the stereo soundfield placement of each effect block. Ranges from -99 (all left) to 99 (all right).
Reverse Delay
A reverse delay is an echo effect which records the incoming signal, and then repeats it backwards. This effect is similar to the backwards
masking effect done in recording studios. This is where a guitar was recorded on to tape and then played backwards while being mixed
back in to the music.
On/Off Selects whether the effect is active, or bypassed.
FX Level Controls the volume level of the reverse delay signal. Ranges from off to 100%
Dry Level Controls the volume level of the incoming source signal, or the signal that has no reverse delay effect. Ranges
from off to 100%
Balance Controls the left/right placement of the reversed signal in the stereo field. Ranges from l-99 (full left) to r-99 (full
right) 0 is centered.
Reverse Time This parameter adjusts the length of time for which the effect will record. Range is dependent upon the processing
power assigned to the module (5 seconds maximum with full power module).
Time Warp
Time warp is an interesting effect that records the incoming signal in to the delay, has the ability to then slow it down, and then play it back
in reverse. It sounds similar to hitting the stop button on a multi-track recorder, and you hear the sound slow down as the reels slowly stop
turning, and then the passage plays backwards.
On/Off Controls whether the time warp effect is active, or bypassed.
FX Level Controls the volume of the time warped sound. Range is from off to 100%.
Dry Level Controls the volume of the original uneffected signal. Range is from off to 100%.
Amount Adjusts the amount that the signal is warped or slowed down. Range is from off to 100%. 0-50 creates a tape stop
effect. 51-100 creates a tape start effect in reverse.
Warp Time This is the length of time that the effect will record an incoming signal. Range depends upon the size of the
selected module.
Out L Volume control for the left output. Range is from off to100%.
Out R Volume control for the right output. Range is from off to100%.
Sampler
A sampler will record a musical passage, or riff. It will then trigger, or repeat it on your demand. Samples can be layered (one sample
stacked on top of another), and may put in loop mode (where they continue to repeat automatically).
On/Off Controls whether the sampler effect is active, or bypassed.
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RP21D User’s Guide Section Two - Editing Functions