You can edit objects and values from the Device Manager in the following ways:

Select an object; on the toolbar, click Edit. The edit window opens for that object.
In an open window, click Edit. The edit window opens for that object.
From a chassis, slot, or port shortcut menu, choose Edit. The edit window opens for that object.

When you change values in a field, you can see fields that have been changed but not applied. Changed fields have the following characteristics:

In a Windows environment, an underline appears beneath the value.
In a UNIX environment, the value is displayed in bold.

Note: Many windows contain a Refresh button. After you apply changes to fields, click Refresh to display the new information in the window

Note: To make changes in the running configuration, click Apply. Changes are not applied to Device Manager until you click Apply. To make the changes permanent, click Save.