Patent attributes
A method for operating a virtual adjusting button is provided. A virtual adjusting button is displayed. The virtual adjusting button is operated by an operating point of an operating unit for adjusting a setting value correspondingly. A movement of the operating point is detected when the operating point is located on the virtual adjusting button and the virtual adjusting button is selected. A dynamic virtual adjusting button corresponding to the virtual adjusting button is displayed with the movement of the operating point when detecting that the operating point moves toward a direction away from or close to a reference point of the virtual adjusting button. A displaying size of the dynamic virtual adjusting button is changed correspondingly with a change of a distance between the operating point and the reference point. A precision of the setting value for adjusting is changed by operating the dynamic virtual adjusting button.
