Here are the Factory wave pad assignments for the DubStep kit for you:
PAD 1 = 00089 SE-Discovery
PAD 2 = 00091 SE Low Saw
PAD 3 = 00016 CYM -PROC
PAD 4 = 00100 SE Super Low
PAD 5 = 00128 Snare Xs 7
PAD 6 = 00087 Ride_Proc 2
PAD 7 = 00047 KICK_DbS
PAD 8 = 00109 Snare_DbS
PAD 9 = 00025 HH_DbS_CL