Abstract:
In a case of managing in memory an unregistered first subject device as one or more subject devices, a room selection screen for selection of a room where the unregistered first subject device is installed, is caused to be displayed on the display. The unregistered first subject device is correlated with a first room and caused to be managed as a registered subject device, based on selection of the first room from the room selection screen. A room list screen including a first room icon representing the first room is generated, and caused to be displayed on the display.