| 摘要 |
PURPOSE:To improve the convenience of use by providing a reception means of a status signal from a presentation device and a means displaying the status state to a remote controller. CONSTITUTION:A remote controller 11 is provided with a status signal reception means receiving a status signal sent from a presentation device main body 10 and status display means 31,32 displaying the status of the presentation device based on the status signal upon the receipt of the status signal. Thus, when the presentation is executed by the remote controller, since the operator of the remote controller 11 surely grasps the operating state of the system main body, the execution of presentation is implemented more smoothly. |
