I see, apparently I misunderstood the scope the of global sensitivity. I thought it was, well, global, not per preset. As for the playing, yes, I'm trying to play with just my fingers and relatively light touches. This might not work so well, I need to try some more, but it wasn't the principal reas...

Maybe I'm misunderstanding the parameters. I would like to use a higher sensitivity for playing with my fingers and the standard settings/presets are not sensitive enough for that. In the presets the sensitivity is already at the max value of 16, therefore I need to increase the global sensitivity, ...

Is there a way to change the global sensitivity through a MIDI command? I'm hoping there's an undocumented CC for this.