A digital TV capable of video communication is discussed. According to an embodiment, the DTV for a video call operation using a camera associated with the DTV, includes a display unit and at least one processor. The processor is configured to display simultaneously, on the display unit, (a) an image received from the camera for a video call operation, and (b) different image setting items for controlling characteristics of the image received from the camera. The processor is further configured to adjust at least one of the characteristics of the image based on a user's control of at least one of the different image setting items, to display on the display unit the image having the adjusted characteristic based on the user's control, and to perform the video call operation with another party using the image having the adjusted characteristic.