novation ks rack+2500

im trying to turn on multi timbrel mode in the ks rack, does any1 know whats up??

am i to believe that i can only use 4 midi channel's when im sequencing??? cuz i wana b able to use it like i use my e-mu proteus, all 16 midi channels

hey i know this is a little off the subject but im looking for the novation ks rack where can i get one?? i never see them on ebay unless its in the uk??