A drawing control method for producing label pattern is disclosed. csrB RNA binds to and antagonizes the ability of CsrA to down-regulate the production of certain metabolic products. During die attach, an optical hole reader retrieves the ID code of each of the IC devices, and a computer system stores the retrieved ID codes in association with the lot numbers of the ICs attached to the lead frames. Once a user defines a logical package, the logical package may be transferred to an endpoint system. The microphone is coupled to the frame for capturing ambient sound, and adapted to be positioned outside the ear canal and substantially coplanar with a tragus of the ear.