Patent ID: 7711325

Claim:
An electronic apparatus comprising: a wireless communication device configured to perform wireless communication with an external apparatus by use of a frequency channel selected from a plurality of frequency channels; a switch connected to a radio frequency circuit of the wireless communication device, and configured to couple an RF signal input and output port of the radio frequency circuit to one of a wireless communication antenna and a cable connected to the external apparatus; and a controller configured to control the switch in order to switch a communication mode for communication with the external apparatus between a wireless communication mode, in which wireless signals are transmitted and received between the external apparatus and the wireless communication device through the wireless communication antenna, and a wired communication mode, in which the signals are transmitted and received through the cable wherein: the controller is configured to display a message for prompting a user to connect the cable to the electronic apparatus on a display screen, and to control the switch to set the communication mode to the wired communication mode after the cable is connected to the electronic apparatus when there is no frequency channel available in the plurality of frequency channels, or when the interference of the radio wave is detected during the period of the communication with the external apparatus in the wireless communication mode.