If you have not already done so, select Named Times from the Edit menu. The Named Time Editor appears.
Select the Ranges tab.
Change the following settings as required:
To change the name of the range, double-click the name and enter the new one.
To change the relative start time for the range, select a new relative start time from the list box.
To change the relative end time for the range, select a new relative end time from the list box.
Look at the result in the Evaluation column and verify that it is correct.