Systems and methods for reducing temperature variation during burn-in testing. The scrolling is stopped or decelerated when the boundary of the plurality of contents has been scrolled up to an end of the display area. At least one bit-sequence may be selected for each of the channels by using redundancy, such as, for example, CRC, in the received WCDMA speech data. The fixity member has a specific shape similar to the contact except for a contact portion of the contact which is a part of the contact brought into contact with a contact of a mating connector when the connector is mated with the mating connector. The spin coating material is peripherally enclosed by the isolation oxide.