When a chart is displayed on your screen, you can change the way that data points are plotted relative to the y-axis of charts.
To change the scaling of a chart, right-click on the chart and then click Scaling. Alternately, choose Scaling from the Options menu (in the SPC Charts and Reports module) or from the Chart Options menu (in the SPC Data Entry module) .
The options available depend on the type of chart that is active on your screen. For more information, see the following:
This feature is not available for MINITAB chart windows.