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Detailed technical description of microwave and laser (lidar) police traffic speed radar. Includes operational limitations, possible operator errors, and common misreadings. Police radars and lidars are not just point (at target) and click (transmit) devices. There are some basic setup limitations and operating procedures that must be observed. Too often procedures are not properly followed in order to save a little time or hide from motorists, resulting in speed errors. Additionally, far too many operators don't remember, or don't use, what they were taught in radar training.