The upgrade is not a crucial one. If you want to upgrade to 1.4 it will be neccessary to have you send in your RP2000 as it would require a different treadle pedal. The update is simply an E-prom however, this would cause your existing pedal to stop working. If you decide to upgrade you will need to call us for a return authorization #.
Digitech Repair (801) 566-8800 ext. 626.