| 摘要 |
PROBLEM TO BE SOLVED: To allow a user to easily grasp the state where an image projection device does not properly project images.SOLUTION: A management system includes: a network camera 12 that photographs an imaging area 22 including a projection area 21 of an image projection device 11; and a computer 13 that, when the image projection device has abnormality, notifies the state of the image projection device to the image projection device or a device connected thereto, issues an operation instruction for solving the abnormality, or displays an auxiliary screen for assisting the operation to solve the abnormality, on the basis of information on the projection area acquired from the network camera. |
