Drill FX

Drill FX can be configured as below:

gui/qtV2/drillfx=4x1/4x0.5/4x0.25

This say that play restart at previous beat and play one time, restart a second time to previous beat and play one beat... etc.. 4 time
then it play 4 times a half (0.5) beats (restarting at previous beat each time),
then it play 4 times a quarter (0.25) beats (restarting at previous beat each time),