FL-Studio, the knobs/faders have no effect

If only the keys are operating.

In all cases, first make sure that in standalone mode everything runs just fine, all knobs and faders are serviceable.

In Fruity Loops this is a bit tricky, as this host does not handle some MIDI CC's, so that you have to set them manually.

1. Click on the Plug-in Options menu, select "Browse Parameters".

2. Turn a *virtual* knob or fader on your controller, so you can see the attached parameter highlighted in the FL left panel.

3. Right-click on the highlighted parameter, then select "Link to controller"; a window opens, simply move the adequate *physical* knob on the hardware controller: the parameter is now correctly assigned!

4. Do the same for all controls.