| 摘要 |
A mobile communication device, such as a cellular phone, for example, is capable of functioning in a transmitter disabling mode and is set to the transmitter disabling mode in automatic response to a power-on operation and then automatically changed to a transmitter enabling mode provided that a predetermined condition is confirmed. The communication device is instantly set to the transmitter disabling mode in automatic response to the initiation of use of an earphone or camera function and kept in the transmitter disabling mode even if the earphone or camera function enters an out of use condition. Surrounding people are informed of the transmitter disabling mode without fail by a standardized appearance of the earphone or a standardized blinking of a flash unit of the camera function.
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