In the View menu, select Spread Margins and the Spread Margins window will open.
To modify a margin: Click on the margin in the list, make changes to the margins, and then select the "Add/Modify" button.
To add a new margin: Select the commodities for the spread and then type in the values for the Initial and Maintenance amounts and then click the "Add/Modify" button.
To restore factory defaults: To restore the margins to software defaults click on the "Restore factory defaults" button.