| 摘要 |
A control section, which uses a microcomputer as its main control section, supervises the control of the individual sections. The control section has not only a control function for audio communication using TDMA and the transmission and reception of short messages but also a control function of switching descriptions of the functions of multifunction keys. According to the user's request, the control section displays or does not display the descriptions of the multifunction keys on a display section. When a short message has been received and an unread short message has come into existence, the control section not only allocates the function of reading the short message to a specific one of the function keys but also displays a description of the function corresponding to the specific function key on the display section.
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