When a manufacturer assembles a “police special” at the factory, they usually do not actually install a great deal of the gear that officers will ultimately want in the automobile. That is because each police department has its own policies and needs, and even within a department, different automobiles may be outfitted with different gear. Therefore, the departments handle the installation themselves, either through a local shop or, if the department is big enough, using their own mechanics.
One of the primary things folks notice about a police automobile is the paint scheme. In the United States, there’s no unified criteria or perhaps standard for painting police automobiles, so each state, agency, or perhaps municipality determines how the cars of its will be painted. The paint job is usually to come up with the automobile that looks easy and distinctive to see, but this may range from the classic “black and white” look, common in the 1950s and 60s, to much more elaborate paint schemes with lettering and stripes.
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The light bar on the top is yet another key element, and the roof is actually reinforced at the factory to hold the additional weight of the bar. Modern light bars are actually streamlined and have banks of many lights in white, white, and blue, all of which spin and pulse in patterns that are tough to miss, even in daylight.
The siren noise made by a police automobile is actually produced by a fan that pushes pulses of air through specially shaped holes in a small drum. The resulting sound is deafening. Modern siren systems can automatically control the air pulses to generate several sounds, such as the hi-lo (commonly used in Europe), the wail, the yelp, and the loud squawking sound of the air horn. You can pay attention to some police sirens sound demonstrations at Galls.com.
Police use wideband radios that broadcast on special frequency ranges set apart for UHF and VHF bands. Officers can also route the radio microphone through speakers integrated into the siren, allowing them to use it as a public address system.
Rather than an armrest, modern police automobiles have a swivel mount for a laptop computer. Officers use this personal computer to use several databases to fill out paperwork and record witness statements while they are still at the scene. The pc may also be used to upload digital photos they have taken of crime scenes. Some departments utilize wireless technology, so officers can check license plate numbers or perhaps suspect IDs against a database of outstanding warrants or stolen automobiles. They even get a suspect’s criminal record and photograph on screen right before them without having to relay info through a dispatcher.
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