Press to enter scale selection.
To set the scale, press and drag on the slider (either left or right).
The initial touch position determines the root note (with each value LED
equivalent to a half-step, starting at 0V). As you drag, you go through
availble scales. Currently those are:
Chromatic
Minor
Pentatonic
Pressing when scale selection
is active disables quantization and switches back to continuous CV entry:
Quantization affects only values entered when the scale is selected.