James would you please check if when you control external modules/sounds from the MS "keyboard" you can adjust the velocity curve set up? In the older MS OS I use the velocity curve works only for the MS sounds and doesn't modify the Midi out signal for external devices.
Thanks
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Victor

Korg Pa3x 61 - Mediastation X76 - Yamaha Psr s900 - Korg Tr61 - Roland PK5A - NanoKontrol - Ensoniq SQ1 - Yamaha D85 organ