Stage 3 Using CTRL PED with DUAL KB

[maxpiano]

The difference is that Control Pedal (CC#11) on the NS can be used with the Morph feature to control multiple parameters, so it all depends on what you want to get.

[mattcol99]

If you want the control the Organ Swell, in Dual KB mode, from the CTRL pedal, you can go into system-ctrl ped function, and set to "CTRL+SWELL".
However, "SWELL" is only for orgran, not the synth