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@Smallfurry
I was going to do my 5min hill repeats this evening with it on purple.
That setting seems to have a good brightness and runtime figures.
I'll ride to and from the hill with it on white I guess.
Ideally I'd wire it to my power meter.
Blue for Pootling > green for sweetspot > yellow for threshold > red for supra threshold > strobe for VO2 max.