"MATRIX SWITCHER; MONITOR CONTROL WITH CAMERA SELECTION, FOUR SEQUENCE, GROUP SEQUENCE, GROUP PRESET, OSD DISPLAY; CAMERA/RECEIVER CONTROL WITH COAXIAL/RS-485 COMMUNICATION; RECORDER CONTROL; ALARM CONTROL WITH ALARM EVENT, ALARM ACK, ALARM RESET, ALARM SUSPENSION, ALARM HISTORY DISPLAY; TIMER EVENT; CAMERA EVENT"