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You can select the source for the traffic-light match (or disable it by simply clicking the name) here:

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Hello,
Just wondering if there is a way to turn on/off the key compatibility feature (highlighting tracks that would harmonically suit each other based on key). It seemed to appear and I've just noticed lately it's not working?
Thanks!
You can select the source for the traffic-light match (or disable it by simply clicking the name) here:

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Thanks for getting back to me!
But i was referring to the feature when using the XDJ-RR as a stand-alone, without the laptop.