You can specify the weighs for each zone. Weights are the scores for each point within the zone.
Weights must be greater than or equal to 0, but the weights do not need to be integers. When you use noninteger weights, Minitab rounds the scores displayed on the chart. See Davis et al 1 for a discussion of the various weighting schemes.
Select Reset cumulative score after each signal to reset the score after each out-of-control signal. When a process is out of control, you should attempt to find and eliminate the cause of the problem. If you correct the problem, reset the cumulative score to zero.