A precise measurement of the immunological receptor diversity present in a sample is obtained by sequence analysis. When the medical device is linked to the remote locating service over the communication network, the ALI-capable system identifies the location of the medical device and relays the location information to the remote locating service. The application of the lighting apparatus can provide a liquid crystal display of good display characteristics. The shield layer serves to shield against electromagnetic noise radiated from the heat release layer. The connectors are further structured to removably interconnect correspondingly positioned bases to one another to assume anyone of the aforementioned plurality of predetermined configurations, as well as the selective operative orientation of the microphone. In this case, a main control section sets the movement distance of an optical pickup to be larger in the inner peripheral side where the line width of the image is larger, and that of the optical pickup to be smaller in the outer peripheral side where the line width is smaller.