Great - looks like you can't change the tempos tho...I came across this the other day, it's beyond cool! Reto-cheese but it works and there's a site with other units.
http://www.keyboardmuseum.com/d_machines/dr220a.html
Great - looks like you can't change the tempos tho...
Any ideas which ones, save me testing them all?On that one I think you can't but on some of the other machines on the home page you can.