A developing device includes a developer bearing member which bears a two-component developer including a toner and carrier, a magnet member disposed inside the developer bearing member, and a developer regulating member which regulates a layer thickness of the developer borne on the developer bearing member. Then, exposure conditions for acquiring the live view images are changed depending on a threshold corresponding to the selected display mode and on the value of the obtained difference. The user can manage user authentication requirements and other configuration information for the cursor-based GUI.