Sentence:  This provided an input speed that exceeded the capability of <WSD>unscanned</WSD> image filmsetters. <WSD>Unscanned</WSD> filmsetter devices use a moving matrix grid or a stationary character grid with electromechanical control of character selection for photographic recording. 
Meaning of the word marked with <WSD> tags:  Involving a technique that does not involve scanning, where an alternative technique that does involve scanning exists.