Various methods and devices are provided for securing a walking beam compressor to a walking beam. Multiplexed cable signals flow thorough a logical unit which buffers text associated with the voice stream of each station via the pre-encoded closed-captioning signal or through the real-time voice translation within the logical unit. A laterally extending toe link is pivoted between the hub carrier and the subframe. The active pixel region is reduced when the AE sensor is incorporated in a device having a low performance CPU, thereby reducing load on the CPU. Also, a second mechanism is coupled to the spider and the second base member and is adapted to effect a force between the second arcuate surface and the second base member.