| 摘要 |
PROBLEM TO BE SOLVED: To allow a user to recognize the existence or position of invisible operation means.SOLUTION: In a digital signage device 1, a control section 23 detects the position of a user based on an image captured by an imaging section 34, and determines whether or not operation buttons 32a-32d, invisible for the user because any one of them hides a screen 27 having a three-dimensional part 271b, exists based on the position of the user thus detected. When a determination is made that an operation button invisible for the user exists, a guidance of the operation button invisible for the user is outputted on the screen 27.SELECTED DRAWING: Figure 7 |
