Please read this section of the user manual to learn more about the upgrade procedure.
Powering the module on while pressing the right button enables (or disables) the color-blind mode. A different brightness level, instead of the green and red colors, is used to distinguish the first and second group of models.
The frequency range/octave setting has a new setting (represented by a “chasing lights” pattern) for LFO operation. In LFO mode, the FREQUENCY knob goes from about 0.015 Hz (1 minute) to about 16 Hz.