FIG. 8 is a diagram illustrating a seventh specific configuration example of the system illustrated in FIG. 1. Referring to FIG. 8, a system 10g includes elements 100, a manager 200a, a tablet functioning as a manager 200b and the UI device 400, and a server 300. The system 10g is an example in which the function of the manager 200b is integrated into the tablet in the system 10f in the foregoing sixth example. For example, each of the elements 100 can be connected to a manager of which a position is closer between the manager 200a and the tablet. A connection state of the elements 100 and a program causing the elements 100 to perform a linkage operation are synchronized as necessary or periodically between the manager 200a and the tablet.
Eighth Example
FIG. 9 is a diagram illustrating an eighth specific configuration example of the system illustrated in FIG. 1. Referring to FIG. 9, a system 10h includes elements 100, a tablet functioning as a UI device 400, and a server 300 functioning as a manager 200. The system 10h is an example in which the functions of the manager 200 are incorporated into the server 300 in the system 10b in the foregoing second example. For example, each of the elements 100 directly communicates with the server 300 via a mobile communication network or the like.