Grind as you go: OD system delivers the right amount of ground coffee when needed, keeping freshness of coffee at all time. The two doses (1 and 2 cups) are completely independent from one another.It allows to adjust precisely the amount of ground coffee to the size of filter used. The OD CG200 also has a continuous key to manually start and stop grinding as you wish. Consistency of the doses. Display for counters and dose adjustement.