| 摘要 |
PROBLEM TO BE SOLVED: To attain easy and sure registration by providing a power switch and a function switch with a prescribed function to the mobile terminal and registering subscriber data through the combination of ON/OFF switch operations of the power switch and ON/OFF switch operations of the function switch. SOLUTION: The ON/OFF switch operations of the power switch 5 of the mobile terminal and ON/OFF switch operations of an emergency switch 7 are combined. Thus, subscriber data can be registered while informing a user about an operation instruction and a current state or the like by means of lighting, blinking or a display color or the like of an LED 6. Then the user can very easily register the subscriber data while confirming them with the LED 6 to obtain the result for considerably improving the job efficiency. Furthermore, since no exclusive external device is required, occurrence of a damage or the like to the mobile terminal caused by the use of the external device can be avoided and the cost can be reduced because no external device is needed.
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