For effectively achieving remote a display at long distance by using paging system, there is provided a personal computer, coding information to be transmitted into message code, dividing it into sub-message code which can be transmitted by one time of transmission operation of the paging system, and automatically transmits them in sequence. The message code sent through the paging system is received with a page adapter and input to a display device. The display device interprets the message code and generates display data to perform the display and control thereof.