1.Select the File - Users menu. If this application does not have any registered user, click OK on the dialog box that opens to create an administrator user.

2.Select the Users item and create one more user.

3.Select the Groups item and create two groups of users, named "Maintenance" and "Operator".

4.Configure the administrator user created at the beginning to belong to the Maintenance group and the other user to belong to the Operator group.