An image display apparatus remotely controllable by an electronic device, the image display apparatus comprising: a display unit (180, 257); and a controller (170, 280) configured to control the display unit and to: determine if at least a touch input or a motion input from the electronic device is received, set an input processing mode of the image display apparatus to be one of a motion-based input mode and a touch-based input mode based on the determination result, and process an input signal from the electronic device for changing a setting value of the image display apparatus according to the set input processing mode, wherein the controller is further configured, upon receipt of at least the motion input from the electronic device, to set the input processing mode of the image display apparatus to be the motion-based input mode if a degree of motion of the motion input is equal to or larger than a predetermined reference value and to be the touch-based input mode if the degree of motion of the motion input is smaller than the predetermined reference value, and wherein the controller is further configured to change the setting value by a first predefined change step each time an input signal for changing a setting value is received from the electronic device with the image display apparatus in the motion-based input mode and by a second predefined change step each time an input signal for changing a setting value is received from the electronic device with the image display apparatus in the touch-based input mode, the first value change step being coarser than the second value change step. a display unit (180, 257); and a controller (170, 280) configured to control the display unit and to: determine if at least a touch input or a motion input from the electronic device is received, set an input processing mode of the image display apparatus to be one of a motion-based input mode and a touch-based input mode based on the determination result, and process an input signal from the electronic device for changing a setting value of the image display apparatus according to the set input processing mode, wherein the controller is further configured, upon receipt of at least the motion input from the electronic device, to set the input processing mode of the image display apparatus to be the motion-based input mode if a degree of motion of the motion input is equal to or larger than a predetermined reference value and to be the touch-based input mode if the degree of motion of the motion input is smaller than the predetermined reference value, and wherein the controller is further configured to change the setting value by a first predefined change step each time an input signal for changing a setting value is received from the electronic device with the image display apparatus in the motion-based input mode and by a second predefined change step each time an input signal for changing a setting value is received from the electronic device with the image display apparatus in the touch-based input mode, the first value change step being coarser than the second value change step. determine if at least a touch input or a motion input from the electronic device is received, set an input processing mode of the image display apparatus to be one of a motion-based input mode and a touch-based input mode based on the determination result, and process an input signal from the electronic device for changing a setting value of the image display apparatus according to the set input processing mode, wherein the controller is further configured, upon receipt of at least the motion input from the electronic device, to set the input processing mode of the image display apparatus to be the motion-based input mode if a degree of motion of the motion input is equal to or larger than a predetermined reference value and to be the touch-based input mode if the degree of motion of the motion input is smaller than the predetermined reference value, and wherein the controller is further configured to change the setting value by a first predefined change step each time an input signal for changing a setting value is received from the electronic device with the image display apparatus in the motion-based input mode and by a second predefined change step each time an input signal for changing a setting value is received from the electronic device with the image display apparatus in the touch-based input mode, the first value change step being coarser than the second value change step.