Reply to Live Input with S4 has issues with f/x

Hi,

I am new to Traktor but my set up normally has 2 CDJ's & a live flute. I connected the live flute to the S4 on deck D. I set fx on Deck D for delays on the flute. For some reason, when i play the other decks I seem to lose the fx on deck D. Any thoughts on how I can connect the Live input & attach fx to the deck D without issues. Maybe I am missing some elements in preferences.

Thanks,

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