How do you change a pattern tempo from the sequencer screen?

[Manbearpig]

I saw a YT video by SB-SIX where he used a midi controller to divide the tempo of a bass note pattern, but direct from the sequencer screen. Unfortunately he didn't mention how you would do this without a controller (I left a comment asking).

I can't find any mention of this in the manual. I'm on firmware 2.0.

Any pointers much appreciated.

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I'm so confused. I found a BPM setting in the FX column but it changed the speed of all the patterns - why would it do that from within one
pattern? Also, as I fumble around, I seem to speed up the bass notes but have no idea how I did that.

[XORadmin]

BPM is something people like to use even from just one pattern.

SB Six is using a launchpad and there is a shortcut for different clock speeds.
Else you can use the Nerd menu or the track setup to change a track clock. Or from within a FX (CBPB) or more advanced from the mappings and there you could change the track clock with any kind of event.