the projector and film path to and from any long play device. Carrying out presentation operations manually if an automation system is not in use. "Taking down" the reels of a print and supporting programme after the final screening, and spooling them back into 2,000 foot lengths. Dispatching film prints for return to the distributor, or sometimes a "crossover" direct to another theater, and completing the shipping formalities. Maintenance and repair Replacement of xenon arc bulbs at the end of their service life, and completing the shipping formalities for their return to the vendor for safe disposal. Periodic adjustment of lamphouse reflectors to ensure even and optimum illumination. Depending on the type of projector in use, maintenance of the mechanism, e.g. periodic draining and replacement of oil in the intermittent mechanism, and/or replacement of drive belts. Periodic replacement of other life-limited parts of projection booth equipment, e.g. pressure plates and runners. Periodic adjustment of the A-chain of the optical sound system, in order to ensure optimum focus and alignment. Periodic adjustment of the motor control systems in a long-play device, in order to ensure optimum feed and take-up. The regular projection of technical test films, e.g. the SMPTE's RP-40 and Dolby's "Jiffy" films, to evaluate the image and sound quality in the theater. Notable projectionists Emile Massicotte, Laurier Palace Theatre, Montreal, Quebec, Canada - Credited with saving 30 children on 9 January 1927 fire in which 78 others were killed. See also References Bibliography Barnard, Timothy, The 'Machine Operator': Deus ex machina of the Storefront Cinema, Framework, vol. 43, no. 1 (Spring 2002). https://archive.today/20130221201727/http://www.caboosebooks.net/node/38 British Kinematograph, Sound and Television Society (BKSTS), Motion Picture Presentation Manual, London, BKSTS (1977). Cameron, James R., Motion Picture Projection, 3rd edition, New York, Technical Book Co. (1922). Cameron, James R., Motion Pictures With Sound, Manhattan Beach, New York, Cameron Publishing Co. (1929). Happé, L. Bernard, Basic Motion Picture Technology, 2nd edition, London, Focal Press (1975). Miehling, Rudolph, Sound Projection, New York, Mancall (1929). Sætervadet, Torkell, The Advanced Projection Manual: Presenting Classic Films in a Modern Projection Environment, Oslo, The Norwegian Film Institute (2006), . Sætervadet, Torkell, FIAF Digital Projection Guide, Brussels, Fédération Internationale des Archives du Film (2012), . External links Film-Tech - a discussion board site for projectionists and theater technicians. Planetary Projection - a site containing autobiographical articles by projectionists. Film and video terminology Projectionists