| 摘要 |
PROBLEM TO BE SOLVED: To provide a digital device capable of reducing scale of a memory stored by the device, promoting minimization, cost reduction and composition of the device and eliminating the necessity to carry plural devices. SOLUTION: The digital device is provided with a profile rewriting means to make rewritable profile information stored by other device possible to be rewritten from the side of a main device (another device) and is constituted by at least providing a transmitting and receiving means to exchange information with other device and a memory storage means to store the information.
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