The optional gates can prevent cross-talk from preceding clips. By default, incoming CC messages from the track are allowed to pass through the gates to avoid confusion. However, it is recommended to block them and allow CC messages only while recording. Best practice is to operate the sliders via Instant Mapping or use the free KSEM Router. If you experience cross-talk, you can locate the interfering envelopes in the Clip View Editor under “Envelopes”, with the Device Chooser set to “MIDI Ctrl.