| 摘要 |
A connected apparatus detection system for externally transmitting and receiving information of an information apparatus by means of a communication function of a communication apparatus, with the communication apparatus and the information apparatus connected, in which a signal line for use in the connection between the communication apparatus and the information apparatus includes an external apparatus connection detection line for transmitting and receiving a connection detection signal indicating whether the communication apparatus and the information apparatus are connected or not, the information apparatus has a function of transmitting an identification signal indicative of information which specifies a kind of the information apparatus through the external apparatus connection detection line, and the communication apparatus has a function of receiving the identification signal to change setting of the communication apparatus into setting contents adapted to the information apparatus.
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