1. Footswitches
These two Footswitches are used to select presets, access the Tuner, enable the Phrase Looper, and Bypass the RP255.The Footswitch on the right will select the next preset up, and the Footswitch on the left will select the next preset down. Pressing both Footswitches together will bypass the currently selected preset. Pressing and holding the Left Footswitch will enable and disable the Phrase Looper. Pressing and holding both Footswitches for 2 seconds will access the Tuner. Press either Footswitch to exit Bypass or Tuner mode.
2. Knobs 1-4
These four knobs perform various functions, depending on which mode is currently active and what (if anything) is being edited. The functions are listed below:
Tone Library (Knob 1)
1.In Performance mode, this knob selects from a library of preset amp tones. (See page 47 for a list of preset amp tones.)
2.When editing a preset, this knob changes the Amp or Effect model for the selected row.
3.When editing an Effect row, press this knob to turn on or bypass the effect.
4.When the Drums row is selected, this knob selects the first pattern of each drum pattern style (Rock, Blues, Jazz, etc.).
Effects Library (Knob 2)
1.In Performance mode, this knob selects from a library of preset effect configurations. (See page 48 for a list of preset effect configurations.)
2.When editing a preset, this knob modifies the parameter listed in the column directly above it for the selected Effect row.
3.When the Drums row is selected, this knob selects the different drum patterns available.
4.When the Expression row is selected, this knob selects which parameter is assigned to the Expression Pedal.
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