IR-2: Restoring the factory settings (Factory Reset)

Here is how to return your IR-2 to its factory settings.

https://static.roland.com/manuals/ir-2/eng/125862015.html

1. Turn off the power by disconnecting the cable from the INPUT A (MONO) jack.
2. Set the type knob to "BROWN".
3. Turn the other knobs, besides the type knob, all the way counterclockwise.
   You should have the controls set like this.
   
4. While holding down the pedal switch, turn on the power by inserting your cable into the INPUT A (MONO) jack.
   Keep pressing the pedal switch until the CHECK indicator slowly blinks orange. Once the CHECK indicator starts blinking rapidly, release the pedal switch.
5. Press the pedal switch.
   The CHECK indicator should now rapidly blink orange.
   Once the CHECK indicator lights up orange continuously, the IR-2 is restored to its factory settings.
6. Turn off the power by disconnecting the cable from the INPUT A (MONO) jack.