document camera staples. Standard exploration. The diagnostic calibration model constructed on this basis is a quality diagnosis model that combines knowledge and ability. The detection based on this can more effectively focus on the development of students' ability, and can also guide teachers to pay attention to the cultivation of their abilities, so that effective teaching is richer.. Interactive Document Camera is a completely new concept design and mobile visualizer. The touch capability on IQTouch and IQBoard, IQView E3511 Document Camera can be freely used for presentations anywhere in or out of the classroom or office.