Keywords: FilmChanger.jpg en Typical R F system illustrating a triple field XII shown above the table with video monitor to the right The video camera is side mounted on extreme left of XII Operator controls for collimation and XII field size selection are located on panel shown arrowed The X-ray tube is mounted under the table and a second one used for overtable work is shown suspended in background Reproduced with permission from Heggie JCP Liddell NA Maher KP 2001 Applied Imaging Technology 4th Edition 2001 X-ray equipment |