Korg Pa5x and Korg Nanokontrol 2 Question

[Felix1]

Hi,

i have the Pa5x and trying to use the Nanokontrol 2

1) i can now use 1-8 Sliders for Volume and 1-8 knobs for Pan
How can i change on the Controller to 9-16 ??

2 ) How can i Use on the Controler for Play, Stop, FF, RW Funktions,
wish are the CC Numbers ???

Thanks

Felix