Assays in which samples of biological fluids are dispensed onto reagent-containing porous substrates are improved in the accuracy and repeatability by dispensing the biological fluids in two or more fractions thereof, separated by intervals in which the biological fluid is not dispensed. A center point of the package substrate is determined from the plurality of references. Next, a JPEG 2000 CODEC is instructed to compress an image of a movement-detected block into a high quality image by an alarm compression rate, and compress the image of a movement-not-detected block by a normal compression rate having a higher compression rate than the alarm compression rate. Before terminating, the operating system inquires to a number of drivers regarding whether hibernation should continue. In that case, it is possible for the sequencer to enable reproduction of a specific sound pattern such as an arpeggio and a phrase to be suited to the extended tone color. The reading material can be presented on paper, or on media suitable for display on an electronic screen.