Patent ID: 7609328

Claim:
A state-setting changing apparatus for a television receiver that is capable of changing a state setting in response to operations of keys on a remote controller by a user, wherein the remote controller includes a setup key for a user to operate at least when making a state setting change, numeric keys assigned to predetermined state settings including aspect ratio setting, a return key for a user to return the state setting to a previous state setting, and an enter key for a user to confirm a command; wherein the setup, numeric, return and enter keys are different physical keys; and wherein the television receiver allows an aspect ratio of a picture displayed on a display screen to be changed, and includes a receiving circuit for receiving signals transmitted from the remote controller, a command analyzing circuit for analyzing a command entered by a user based on contents and an order of received signals, an on-screen display circuit for displaying a number of a numeric key operated by a user on the display screen, and a state-setting changing circuit for changing a state setting based on an analysis provided by the command analyzing circuit when a user operates the enter key, wherein the numeric keys are also assigned to changing channels.