| 摘要 |
On a frame having three cranks independently adjustable by rotation, there are slidably mounted tuning members each having three setting plates corresponding to the three cranks and capable of being locked and released by a single pushbutton operation. Furthermore, there are provided a switch for switching in selectively one of a plurality of antennae, a variable element for the impedance matching of an antenna circuit including a feeder, a switch for switching in selectively one of a plurality of converters, and a variable element for the tuning of a particular converter, all of which are arranged to be moved with their respective cranks. As a result, antenna switching and band switching and frequency selection can be effected simultaneously by a single operation.
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