System Override

Sets all options for all tests to the settings made at the system level. Supersedes the group-specific and device-level option settings in favor of the options set at the global level. 

Group Override

Supersedes the device-level test options in favor of the group options. The System Override option supersedes this option. 

Group Lock

Protects specific group options from being changed from the options set at the system level (the System Override option supersedes this option). 

Test Lock

Protects device-level options from being changed from options set at the group or system level (the System Override and Group Override options supersede this option).