| 摘要 |
<p>A portable data processing apparatus (1) is connected to an external device (2). After activated by the external device (2), the data processing device (1) transmits all initial response data (I) to the external device. Thereafter, the data processing device performs self-diagnosis, determining whether it operates properly or not. Then, the data processing device receives a command and performs a process in accordance with the command. <IMAGE></p> |
