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The timer may switch equipment on, off, or both, at a preset time or times, after a preset interval, or cyclically. A countdown time switch switches power, usually off, after a preset time. A cyclical timer switches equipment both on and off at preset times over a period, then repeats the cycle; the period is usually 24 hours or 7 days.
It was made to couple with the Honeywell Strobonar electronic flashes using an electronic eye that was located at the top-left of the camera. In 1971 the Electro-Spotmatic was the first aperture-priority, electronic, automatic SLR but was only sold in Japan. [6] It success was followed by the ES sold internationally from 1972.
There is a type of automatic timer manufactured by Kaiser, Philips, and others that by means of a photoelectric sensor (like the one in the photo or mounted inside the easel), is capable of regulating the exposure time according to the light projected by the enlarger, through the negative, on the photographic paper, magnitude inversely ...
DIN rail mounted electronic lighting timer. An electronic timer allow simple push-buttons to be used. One timer is installed controlling the lights and any number of push-buttons, without pneumatic timers and connected in parallel, are used to trigger it. [1] [4] With many push-buttons, the cost savings for equipment may be substantial.
Although the ME F was a highly electronic camera normally dependent on battery power, it had a backup ability to operate without batteries, though in a very limited fashion: completely manual mechanical control with two shutter speeds (1/125th second, marked 125X, and Bulb; both accessed from the mode dial) and without the light meter or AF.
The major advantage of a lighting control system over stand-alone lighting controls or conventional manual switching is the ability to control individual lights or groups of lights from a single user interface device. This ability to control multiple light sources from a user device allows complex lighting scenes to be created.
Light beam timing system (the two lenses extended to the right of the stand) Fully automatic time (abbreviated FAT ) is a form of race timing in which the clock is automatically activated by the starting device, and the finish time is either automatically recorded, or timed by analysis of a photo finish .
KNX is a standardized protocol for building automation, enabling the control of various systems like lighting, heating, and security through a single integrated network.
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