| 摘要 |
PROBLEM TO BE SOLVED: To easily set an ID for canceling images displayed by a screen saver program. SOLUTION: At the time of receiving the supply of a 2D code ID (S21), whether or not a screen saver image is displayed is judged (S22). In the case that the screen saver image is not displayed, the 2D code ID supplied in the step S21 is registered (stored) as a screen saver management ID (S23). Then, the screen saver image is displayed (S24). |
