According to the invention, there is provided seed and plants of the hybrid corn variety designated CH399948. Test instructions are loaded into a cache in a graphics module comprising multiple execution units coupled to the cache on a bus during a design test mode. The process can be used to make aluminum alloy sheet of T or O temper having the desired properties, in a much shorter processing time. The pivoting mechanism is operable to lockingly secure the tray in at least one of an extended or retracted position. A selector selects at least two the databases for a simultaneous search, and selects at least one of the databases for a sequential search. The freedom of design may be increased since the display module can maintain a prescribed thickness, and the portability may be improved by increasing rigidity.