| 摘要 |
PURPOSE: To exclude uncomfortability in talking and an adverse effect onto other devices by inhibiting the use of past defective channels and not selecting them in the case of selecting a channel. CONSTITUTION: A key entry section 107 or 117 enters an operating inhibit channel to set the use inhibit channel and the result is stored in a storage section 105 or 115 of a master set 108 or a radio telephone set 111. An operating channel object is selected according to an operating channel selection request and retrieves the operating inhibit channel. As the result of retrieval, when the object channel is in the set operating inhibit channels, a new object is selected. When not in existence, the selected object is used for the operating channel. Thus, a specific speech channel with noise mixed therein due to installed environment or a specific speech channel giving noise to other devices is not selected. |
