OneButtonStartStopMode
0: (old behaviour)
left Start/Stop1 on pad (or keyboard) refers to left PlayButton on the NP2-screen, right Start/Stop2 refers to right PlayButton on screen;
If PlayButtonX is free press of Start/StopX-button starts selected article on that PlayButton;
If PlayButtonX is playing press of Start/StopX-button stopps that article on that PlayButton.

1, 2:
one button for start of the selected article and one button for stop;
left Start/Stop1 button on pad (or keyboard) starts the selected article on a free PlayButton;
right Start/Stop2 button on pad (or keyboard) stopps the selected article (if =2) or it stopps all playing articles (if =1).
Possible values: 0, 1, 2
Default value: 0