Described herein are systems and methods for reducing cumulative deposition and unwanted secondary thermal reactions in pyrolysis and other thermal conversion processes. A display displays an operation permitted in the selected image data handling mode, the display disposed on a right side of the mode selector. The net is attached to the frame and is connected to the frame by a connecting member which the net can be disassembled from. , network to a remote network upon authorization by a content manager process. Errors thus can be recognized in real time and can be used for error diagnosis without the use of an additional testing tool. An armature is movable in a direction parallel to the longitudinal axis in response to the magnetic field.