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Elevators [19] [20] often have a red two-way button on the control panel which is either marked "Emergency Stop" or "Run/Stop". Normally, the button is in the "up" or unpushed position, allowing the elevator to "run" in normal service. When the button is pushed, the elevator comes to an immediate stop.
An external control panel. Elevators are typically controlled from the outside by a call box, which has up and down buttons, at each stop. When pressed at a certain floor, the button (also known as a "hall call" button) calls the elevator to pick up more passengers.
This vandal- and weather-resistant switch is used to request a traffic stop signal. Vandal-resistant switches (also referred to as vandal-proof switches) are electrical switches designed to be installed in a location (or device) and application where they may be subject to abuse and attempts to damage them, as in the case of pedestrian crossing switches.
It is often tempting to press the door-close button in an elevator, but that effort will likely not make the doors move any faster. This is because, as the New York Times reports, these buttons ...
For example, elevators are equipped with an interlock that prevents the moving elevator from opening its doors and prevents the stationary elevator (with open doors) from moving. Interlocks may include sophisticated elements such as curtains of infrared beams , photodetectors , simple switches , and locks .
Older elevators in Poland have button marked P for the ground floor (parter) and S for basement . Elevators installed since 1990 have 0 for parter and −1, −2 etc. for underground floors. Elevators in Europe sometimes use mark the main floor by having it in green, and sometimes protruding further from the panel than other floors.
A destination dispatch elevator, here using a Compass system from Otis. Destination dispatch is an optimization technique used for multi-elevator installations, in which groups of passengers heading to the same destinations use the same elevators, thereby reducing waiting and travel times. This contrasts with the traditional approach, in which ...
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