About the RP. DigiTech RP255

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About the RP255

Performance Mode

When you first apply power to the RP255, it powers up in Performance mode. Performance mode provides access to all of the presets within the RP255 via the Up and Down Footswitches.

Knob 1 selects a tone from the Tone Library, Knob 2 selects an effect from the Effects Library,

Knob 3 adjusts the Effects Level, and Knob 4 adjusts the Master Level (volume).

Bypass Mode

The RP255 presets can be bypassed via a true analog bypass circuit for a clean, unprocessed guitar signal. To bypass the RP255, press both Footswitches simultaneously. The Display reads Bypass indicating the preset is bypassed. Press either Footswitch to exit Bypass and return the RP255 to the last preset used.

Tuner Mode

The Tuner in the RP255 allows you to quickly tune or check the tuning on your guitar. Enter

Tuner mode by pressing and holding both Footswitches simultaneously. The Display briefly shows tuner indicating that you are in Tuner mode. To begin tuning, play a note on your guitar

(a harmonic at the 12th fret usually works best). The Display shows the note being played. The

Matrix LEDs indicate whether you are sharp or flat. The top 5 red LEDs indicate the note is sharp and should be tuned down. The bottom 5 red LEDs indicate the note is flat and should be tuned up. The center green LED indicates the note is in tune. The output is muted in Tuner mode. The

Expression Pedal controls the guitar volume while tuning. Exit tuner mode by pressing either

Footswitch.

Display shows note played

Top LEDs indicate note is sharp

Green LED indicates note is in tune

Bottom LEDs indicate note is flat

In Tuner mode, you can change your tuning reference. The default factory setting is A=440 Hz

(displayed as A=440). Rotating Knob 1 selects alternate dropped tunings. Alternate tunings are A

= Ab, A = G, and A = Gb. The display window briefly flashes the current tuning reference.

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