Does anyone know how to do this? Ideally I'd have a toggle button and the fader would directly control the Color spin speed.

I'm using a Geni Shiva which has Color Spin at the top of the color channel: dmx 175-255

I got close with a 2 cue sequence and a XFade fader, but it's fades through 1-175 when its off and there is no way to have it "store" the last value...

Thanks!