Control method and display system

A control method of a display system including a first device, a second device, and a display device that is configured to communicate with the first device via one or more wired cables, that is configured to communicate with the second device by wireless communication, and that is configured to display an image on a display region, the control method comprising:

• establishing, by the display device, first communication with the first device via the one or more wired cables;
• when second communication is requested from the second device while an image is displayed on the display region, transmitting, by the display device, information indicating that the second communication between the second device and the display device was requested to the first device via the one or more wired cables;
• and
• when receiving information indicating that the second communication was approved from the first device via the one or more wired cables, establishing, by the display device, the second communication by wireless communication.