The CBK-FW01 is an optional circuit board for installation in the DVW-970 DigiBeta camcorder and the PDW-510/530 XDCAM camcorders. It was designed to produce 24 frame progressive scan images resulting in film-like motion effects to the video. This the pull-down board creates a 2-3 pull-down and recorded to tape at 59.94i field rate.