Projection system, projection method, and storage medium

A projection method that uses a projector configured to project an image on a projection surface and a computer configured to communicate with the projector and instruct the projector to project the image in accordance with an operation by a user, wherein

• the projector includes a first processor that sends information on an operation state of the projector to the computer while communicating with the computer, and
• the computer includes
• a display and/or a speaker and
• a second processor that makes a notification based on the information from the projector by causing the display to display a notification and/or by causing the speaker to output a voice
• the computer includes multiple computers each configured to communicate with the projector, and
• when the projector starts communicating with a first computer of the multiple computers while being instructed to project the image by a second computer of the multiple computers, the first processor notifies the second computer that there has been an access from the first computer.

A non-transitory computer-readable storage medium storing:

• a program that causes a first processor of a projector configured to project an image on a projection surface to send information on an operation state of the projector to a computer while communicating with the computer, the computer being configured to communicate with the projector and instruct the projector to project the image in accordance with an operation by a user;
• and
• a program that causes a second processor of the computer to make a notification based on the information from the projector by causing a display of the computer to display a notification or by causing a speaker of the computer to output a voice,
• wherein the computer includes multiple computers each configured to communicate with the projector, and
• wherein when the projector starts communicating with a first computer of the multiple computers while being instructed to project an image by a second computer of the multiple computers, the program causes the first processor to notify the second computer that there has been an access from the first computer.