| 摘要 |
<p>PURPOSE:To confirm the operating state of plural devices even from a location apart from the device main body by displaying an operating data of a device of a depressed mode selector key when the mode selector key whose operation is desired to be recognized after a mode conversion key is depressed. CONSTITUTION:A data signal transmission section 7 and a control signal transmission section 6 make two-way communication by using a remote controller 9 and an infrared ray signal 15. Normally, an operating data of a device relating to a selector switch of a power amplifier 2 is displayed on a display section 13 displaying the content of the data signal reception provided to the remote controller 19 and when the mode selector key is depressed after a mode conversion key is depressed, the operating data of the device relating to the depressed mode selector key is displayed. Thus, the operating state of plural devices is recognized even from a location apart from the device main body.</p> |
