Patent ID: 8370871

Claim:
An image receiver comprising: a key input unit for allowing a user to input a desired command; a reception sensitivity detecting unit for detecting sensitivity of a received broadcasting signal; a control unit for displaying the reception sensitivity of channels detected by the reception sensitivity detecting unit and storing editing results in a memory when the user inputs a channel editing command through the key input unit; and an image processing unit for providing a received signal sensitivity diagnosis and channel editing screen in response to a control signal from the control unit, the received signal sensitivity diagnosis and channel editing screen comprising a list of valid channels available for selection by the user, wherein each item of the list of valid channels available for selection by the user comprises: a channel identification section that displays an identifier for the corresponding channel in the list, a received signal sensitivity display section that displays reception sensitivity of the corresponding channel in the list based on output from the reception sensitivity detecting unit, and a favorite channel display part that displays whether the corresponding channel in the list is selected as a favorite channel by the user and that reflects a favorite channel editing state in real time based on favorite channel addition and deletion commands entered while the received signal sensitivity diagnosis and channel editing screen is being displayed, and wherein the received signal sensitivity display part further displays another channel number through which the same contents as those of a current channel are broadcasted and providing better received signal sensitivity than that of the current channel.