Reply to Samples on CDJ-2000

I saw some video on Tips and Tricks on the CDJ-2000, where the guy assigned cue points to other tracks than the on that was playing. I can't find it now

So let's say he was playing 50 Cent - In Da club on Deck 2 he would press hot cues 1-3 on Deck 2 and it would trigger cue points from other tracks. Let's say Hot Cue 1 was "Everybody Dance Now". Cue 2 was "hit it" etc.

How do you do this again? Something to do with Rekordbox and saving it.

Thanks.

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