| 摘要 |
A data transmission system, a data transmission method and an electronic equipment. In the playback system, by a controller, at step S1, SEID with respect to receiving stream is grasped. At step S2, inquiry command is used to designate SEID to inquire corresponding Bluetooth output plug No. At step S3, the grasped Bluetooth output plug No. is designated to inquire connecting destination within target of this Bluetooth output plug. Further, in the playback system, by the controller, at step S4, operating state of subunit serving as signal source is inquired. At step S5, information indicating signal source of stream is displayed on a display unit.
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