It is an object of the disclosure of the present description to provide an eukaryotic cell having xylose utilization ability. Each test mode signal generating unit generates a respective test mode signal for a respective test circuit. The second rotor disc includes a second rotor element having a plurality of second rotor discs arranged consecutively in the delivery direction. Likewise, the second coded stream is decoded to generate a second decoded information stream, asynchronously with respect to the first decoded stream. The PV cell is connected to printed circuit structure, and is positioned at the focal point of the optical element.