Patent ID: 8640175

Claim:
A mobile device comprising: a display; a user input receiving unit which receives an input of a user; a storage unit; a communication unit which communicates with an external audio/video (AV) device via a network; and a controller which receives user interface (UI) information of the AV device from the AV device through the communication unit to display the UI information on the display, controls the storage unit to store a user setup value of the AV device according to the input of the user entered using the UI information of the AV device on the mobile device regardless of whether the communication unit communicates with the AV device, and controls the communication unit to transmit the user setup value to the AV device when the communication unit starts communicating with the AV device, wherein the user setup value in the storage unit, which is stored when the mobile device is located outside a network area such that the communication unit is not connectable to the AV device, is automatically transmitted to the AV device by the controller if the mobile device returns within the network area such that the communication unit is connectable to the AV device.