System has real-time monitoring function for the equipments. It achieves the real-time monitoring of display content, display status and working status of display equipment of all display equipments. Also timed control list can be set for real-time switch control of all display equipments. Operation status and communication line status of the display screen are also displayed on the user terminal real-timely. The system will automatically give an alarm to the user through the user terminal if any failure to display screen body, display screen power, display control panel or communication line.

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