Alesis Andromeda A6

hello 

i am new here considerign getting an a6 

do all knobs send midi ccs or only midi sysx or none ? 

i read the manual and it seems that only 8 midi cc (a-h)
ribbons, wheels and pedals can be assign !
what a wasted of a front panel !!!!!!! 

and in mix mode can i have lets say half keyboard splitted in 2 part 
and send ribbon right controller 22 on part 1 midi channel 1 
and same ribbon right to send controller 27 on part 2 midi channel 
2 ? 

tnx in advance 

ciao
andrea