| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a key telephone system provided with the language display of a display means corresponding to many local areas of different languages. SOLUTION: This system is provided with a data base 10 storing many kinds of languages and when an input by a language changing key 120 is given in the state of displaying on a display means 110 by using initialized language by turning on a power source, specifies the index of the data base 10 according to this and reads a language corresponding to the specified index and changes the displayed language on the display means 110 to the read out language. As it is possible to change the initialized language to a desired language by simple key operation, one kind of key telephone systems correspond to the countries of various languages.</p> |
