Administrator can change display settings that will be set when user logs on either for his account
or for all users of the computer
 

Mandatory settings (can be configured by administrator only): display settings that will be set when user
logs on by default and non-changeable resolution that will be set when user logs off (on the figure)
 

An ordinary user can change only his working resolution, but cannot change any other options of Display Resolution Manager
 

An ordinary user can only view the resolution that is being set when user logs off, but cannot change it