Thank you Kevin for your answer, but it does not help me.
When I hit on the pads, I hear no sound with gentle strokes.
The pads only respond to strong shocks!
Under Preverences (under Midi Import / Export) I find a setting, is that the Spark MIDI Control Center?
I can use to adjust the volume of instruments, but not the sensitivity of the pads! Right?
Or where do I look?