| 摘要 |
PROBLEM TO BE SOLVED: To provide a data storage device which easily reads and writes various data of a portable radio communication terminal. SOLUTION: When a portable radio communication terminal 10 and a data storage device 20 are connected through connector parts 122 and 202, a message that urges a user to select each operation mode of charge, data save and data archive is shown on an LCD display part 118. The user selects each operation mode through ten keys based on the display. A CPU of the terminal 10 controls each part through the selection and performs data save from a memory part of the terminal 10 to a hard disk of the device 20 or data archive from the hard disk of the device 20 to the memory part of the device 10. |
