Monitoring system, monitored device, control method, and recording medium

摘要: To contribute towards easily specifying a person who represents the cause of an event in device, facility, etc. This monitoring system includes monitored device and management for communicating with device. The is provided with: signal receiver causing that identification information identifying terminal to be received as reception from present within predetermined range relative device; distance estimation unit estimating on basis signal; direction video capturing image-capturing periphery data analysis analyzing has been captured, determining occurred, information, associated point time image capture.