Mobile equipment (100, 100', 100", 100"', 200) communicating with a server and a display device (1000, 2000), the mobile equipment (100, 100', 100", 100"', 200) comprising: an alternative display searching part (110, 110') acquiring current position information indicating a current position of the mobile equipment (100, 100', 100", 100"', 200), sending an alternative display list request including the current position information to the server, receiving from the server an alternative display list representing a list of display devices (1000, 2000) located within a predetermined distance from the current position, selecting and determining a display device (1000, 2000) from among the display devices (1000, 2000) listed on the alternative display list on the basis of an inter-device distance between the mobile equipment (100, 100', 100", 100"', 200) and each of the display devices (1000, 2000), the selected display device (1000, 2000) being a display device (1000, 2000) serving as an alternative destination display device; a mobile equipment's short-distance radio communication part broadcasting a distance measuring signal request signal by short-distance radio communication, receiving a distance measuring signal sent from the display device (1000, 2000) to measure a field strength of the distance measuring signal, and estimating the inter-device distance on the basis of the field strength; a mobile equipment's network connection part establishing communication with the alternative destination display device and, when a predetermined event occurs on the mobile equipment (100, 100', 100", 100"', 200), sending event information notifying the occurrence of the event to the alternative destination display device; an alternative display instruction determining part (150, 150', 150", 250) acquiring a parameter indicating a status of the mobile equipment (100, 100', 100", 100"', 200), a status of the alternative destination display device, a status of the event that has occurred, or a status of the presence of a person in surroundings of the alternative destination display device and determining, on the basis of the parameter, display specifics of a display on the alternative destination display device, wherein the status of the presence of a person is obtained by moving image information indicating surroundings of the alternative destination display device, and wherein display specifics are information that specifically defines the way in which event information is displayed on an alternative destination display device; and an alternative display instruction sending part sending a display instruction including the display specifics to the alternative destination display device. an alternative display searching part (110, 110') acquiring current position information indicating a current position of the mobile equipment (100, 100', 100", 100"', 200), sending an alternative display list request including the current position information to the server, receiving from the server an alternative display list representing a list of display devices (1000, 2000) located within a predetermined distance from the current position, selecting and determining a display device (1000, 2000) from among the display devices (1000, 2000) listed on the alternative display list on the basis of an inter-device distance between the mobile equipment (100, 100', 100", 100"', 200) and each of the display devices (1000, 2000), the selected display device (1000, 2000) being a display device (1000, 2000) serving as an alternative destination display device; a mobile equipment's short-distance radio communication part broadcasting a distance measuring signal request signal by short-distance radio communication, receiving a distance measuring signal sent from the display device (1000, 2000) to measure a field strength of the distance measuring signal, and estimating the inter-device distance on the basis of the field strength; a mobile equipment's network connection part establishing communication with the alternative destination display device and, when a predetermined event occurs on the mobile equipment (100, 100', 100", 100"', 200), sending event information notifying the occurrence of the event to the alternative destination display device; an alternative display instruction determining part (150, 150', 150", 250) acquiring a parameter indicating a status of the mobile equipment (100, 100', 100", 100"', 200), a status of the alternative destination display device, a status of the event that has occurred, or a status of the presence of a person in surroundings of the alternative destination display device and determining, on the basis of the parameter, display specifics of a display on the alternative destination display device, wherein the status of the presence of a person is obtained by moving image information indicating surroundings of the alternative destination display device, and wherein display specifics are information that specifically defines the way in which event information is displayed on an alternative destination display device; and an alternative display instruction sending part sending a display instruction including the display specifics to the alternative destination display device.