1. b.div BPM Divisor

Governs the speed at which the track steps through this pattern. The specified value is a divider, meaning that the default speed (as determined by the "BPM" setting in the Song settings) of is divided by the value; a divisor of 1 yields the default speed, a divisor of 2 doubles the time it takes for the pattern to be played, a divisor of 4 quadruples the time it takes for the pattern to be played and so on.