Cisco Unified Videoconferencing 3515 Mcu (12 Port) CISCO SYSTEMS IPVC3515M (IPVC3515MCU12) "remove child lock remote" Questions

remove press lock key 10 sec... than u get lock menu. pl off av lock by v+ key. Press Menu Button, then click on child lock item, then give password (default passowrd is 0000) and turn off the AV Lock