To use function of cACL you must be logged in as Super Administrator:

Navigate to the cACL. Once you have logged in, hover over the Installlink on the top taskbar, scroll down to cACL

When you have selected the cACL, you will be sent to the Access Menu Item that lists all Administrators. Select an Administrator depending on whether you want to set limitative functions (here is giangnt )

When you have selected the Administrator (giangnt), you will be sent to the cACL screenshot by this Administrator:

Select Tab Menu to set limitation of Menus Menu.

There are 3 options using to set up limitative Menu (Allow; Hide, Restric). For setting up, you select one option colerrative one Menu. Default is allow for all.

For this example, you have allowed giangnt to manage all menus except tedt and usermenu.

After that, you could choose Save task or Cancel task to save or cancel and back the previous page and set up other administrator or if you choose Apply task to Save and continue setting orther limitative functions. 

The Result when giangnt have logged into the system:

The following screenshots shows you the end result of selecting limitative Menus to administrator - giangnt . There are some differences betwewn before limitting and after limitting:

Before limitting: giangnt could manage all menus on the system

After limitting: giangnt couldn't manage tedt and usermenu