| 摘要 |
Connections among a host device such as a personal computer, a function device such as a digital camera, and a host/function apparatus that operates both as a host device and a function device, such as a printer, are enabled without disconnecting and reconnecting cables. A digital camera, a printer and a personal computer are connected with USB cables. The printer is enabled to switch operating modes among: a camera connection mode, in which it connects to the digital camera; a PC connection mode, in which it connects to the personal computer; and a pass through mode, in which the digital camera and the personal computer are connected to each other.
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