Your reveiver R6203SB got 3 "traditional" channels (CH1, CH2, CH3) and 18 S-Bus channels.....when you use S-Bus, then your CH1, CH2 CH3 become a "mirror" of the S-Bus channels 1,2,and 3. The problem with WooKong is that the channels it uses on S-Bus cannot be changed, regardless what you try...