i do this the other way round :
i mapped the bpm Tab on my midi controller, and from time to time i tap the bpm on the right way
Takes the same time then check the blinking light if its correct
and its possible immediately
Laptop: XMG P507 // Intel i7-5500 / GTX-1060 / 1tb SSD / 32gb RAM // Lemur / BirdDog Studio NDI
~self employed AV technician / Schu.VT|a|posteo.de~
~Berlin~