Log in as a user with the Manage labs/lots/tests permission.
Click the Configure tab.
Click Rules/Settings.
Click the Settings tab.
By default, all available Levels in use for the control are selected. If you do not run a particular level, clear the appropriate Levels in use check box.
Note: Any level not in use is omitted from the Data Entry dialog box. This simplifies data entry.
The default decimal places for each level is 2. Type a number (0 to 4) for each level.
Note: Each level can have a different number of decimal places.
Type the number of data points that must be entered before rule evaluation begins in the Points before rule evaluation field. The default is 20.