DigiTech RP200 User Manual page 25

Gate Type - The Parameter 2 knob selects between the Silencer ™ Noise Gate, or the Auto
Swell volume swell effect.Values include: Gat Of (Turns the Noise Gate off),
silNCR (Selects the Silencer™ Noise Gate) and swEl1 through swEl9 (Selects
the Auto Swell volume swell effect. These settings will automatically ramp up the
volume from a 200 milliseconds volume fade in to a 2 second volume fade in).
Gate Thresh - The Parameter 3 knob sets the signal strength (Threshold) required to open
or close the Noise Gate.The Gate Threshold parameter ranges from 1 (opens
easily) to 40 (requiring strong signals to open).
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