| 摘要 |
PROBLEM TO BE SOLVED: To realize a method for inputting a key code into a device by a safety and simple method without increasing the size and the manufacturing cost of an electronic device remarkably. SOLUTION: An electronic device 1 operating as an auxiliary device of radio equipment is provided with a manual input means of the key code, and this means has at least one selector 2 constituted so as to select the key code or its one element. Then, by selecting the key code by using the at least one rotatable selector 2 to input it to an auxiliary device, a safety radio data transmission link is provided between the auxiliary device and the radio equipment.
|
