Author Control graphic is displayed in the lower-left corner of the Assignable Unit group on the Properties ribbon. The graphic changes to the 
Locked Control graphic to show that the object is password-protected.
You can protect the contents of chapters, sections and pages by enabling Author Control. With Author Control enabled, additional authors will not be able to edit the chapter, section, or title unless they have the master Author Control password. The master Author Control password must first be set within the Title Properties.
When Author Control is enabled on a title, the Author Control graphic is displayed in the lower-left corner of the Assignable Unit group on the Properties ribbon. The graphic changes to the Locked Control graphic to show that the object is password-protected.
See also: Protecting your title with a password
To enable author control on an assignable unit:
Right-click the assignable unit in the Title Explorer.
Click the . Author Control graphic in the first group.
The assignable unit is now protected. The graphic changes to the Locked Control graphic.
© Copyright eLearning Brothers 2021