Patent ID: 8850356

Claim:
A controller comprising: first and second input operating sections to input an instruction; and a control unit to control selection of an object on a screen display based on an instruction input at the first and second input operating sections, wherein, when an enter instruction is input at one of the first or second input operating sections following input of a movement instruction at the other of the first or second input operating sections, the control unit controls, based on a result of a determination whether a preset time period starting from a most recent input of a movement instruction at the other of the input operating sections is elapsed, start of a function of an object at a position indicated based on the input of the movement instruction at the other of the input operating sections, wherein the control unit, in response to the determination that the enter instruction is input at the one of the input operating sections before the preset time period starting from the most recent input of the movement instruction at the other of the input operating sections is elapsed, automatically controls display of an indicator of the one of the input operating sections on the screen display at the position of the object indicated based on the most recent input of the movement instruction at the other of the input operating sections.