| 摘要 |
The present invention relates to a display apparatus that is switched to an image signal via a wireless communication unit automatically when an image signal cable is disconnected from a connector. The image signal is transmitted by a cable 6 connected to the connector C 1 of the apparatus D 1 or a wireless LAN. When a switch S 1 detects that the cable 6 is connected to the connector C 1 , a switching circuit 2 is switched to the cable-side to display the image signal via the cable. When the switch S 1 detects disconnection of the cable 6 , the switch circuit is switched to the side of a CPU 5 to display the image signal via the wireless LAN.
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