A terminal data storage section of a portable communication terminal stores the importance level of each piece of stored data. For example, in one nonlimiting exemplary embodiment, at least one error signature comprising multiple bits is received. Alternatively, or in addition, the region 24 of the housing at which the seal 8\u2032 is mounted may be made from a relatively low thermal expansion material. The carbon protective coatings of the present invention will often be hydrogenated. The fine particle measuring apparatus includes a detection unit configured to detect light emitted from a fine particle and a processing unit having a memory device storing instructions which when executed by the processing unit, cause the processing unit to calculate a corrected intensity value of the detected light and generate spectrum data based on the corrected intensity value. Each spot includes 3-hydroxypicolinic acid matrix and no analyte.