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Title:WARNING RADAR DISPLAYS PPI - PART 2 - OPERATING [Main Title]
Film Number:ADM 2579-2
Other titles:
Summary: Naval instructional Film.
Description: Method of reporting when changing the watch on a radar screen. Details of the 'Normal' mode for air and seaguard - pulse length, bandwidth, etc. A general description of how to read air - and seaguard displays is followed by a sequence purporting to show a submarine's interception by a destroyer escort, and demonstrating the methods of changing range scales and increasing discrimination, and how to call out the changing tactical situation, including the proper method of making a 'Nil report'. Use of Swept Gain Control to reduce radar clutter in rough weather. Description of the reading (and reporting of events shown on an airguard display, and) the method of plotting an introducer's progress using a transparent screen marked with a chinagraph pencil. Reading of a seaguard display stressing the need to use the shortest range scale possible in order to obtain maximum clarity. Method of using a cursor to report the range and bearing of an intruder directly off the radar screen. The radar operator's job is of vital importance in peace and war. "Don't forget, radar can only be as effective as the man that uses it".