The fade setting in cue properties does not seem to work for a looped cue; I'd like a looped cue to fade out after the last loop -- is there a way to do this? In fact, fade out (which is grayed out in Cue Properties) doesn't seem to work in any cue, looped or not. I want some cues to fade out, but setting the fade seconds in cue properties doesn't seem to do it. (fade up works fine.) What am I doing wrong?