1. Click on the Lockdown tab. The Lockdown page displays.
2. To extend lockdown to additional groups, click the check-boxes associated with those groups.
3. To retract lockdown from select groups, uncheck the box associated with the desired groups.
4. Click Save Lockdown Settings. All access privileges associated with the newly selected groups are instantly revoked and access privilege is restored to groups for whom lockdown has been retracted. Users affiliated with groups under lockdown will not be allowed entry or exit at any secured door.