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  2. Tally light - Wikipedia

    en.wikipedia.org/wiki/Tally_light

    Once the switch happens, green changes to red. This feature allows the presenter to be aware of the upcoming transition, and, for example, change their posture. In addition to the tally lights, an additional light called ISO is sometimes used. ISO is the abbreviation for isolated, and it indicates that the video signal is being recorded separately.

  3. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    A UK illuminated rocker switch in the off position. Illuminated switches incorporate a small neon lamp or LED, allowing the user easily to locate the switch in the dark. Household illuminated switches were introduced in the mid-1950s. [4]

  4. Backlight - Wikipedia

    en.wikipedia.org/wiki/Backlight

    Views of a liquid-crystal display, both with electroluminescent backlight switched on (top) and switched off (bottom). A backlight is a form of illumination used in liquid-crystal displays (LCDs) that provides illumination from the back or side of a display panel.

  5. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    An LED strip, tape, or ribbon light is a flexible circuit board populated by surface-mount light-emitting diodes (SMD LEDs) and other components that usually comes with an adhesive backing. Traditionally, strip lights had been used solely in accent lighting, backlighting, task lighting, and decorative lighting applications, such as cove lighting.

  6. Bias lighting - Wikipedia

    en.wikipedia.org/wiki/Bias_lighting

    The purpose of bias lighting is to reduce the perceived brightness of the display as a result of the contrast with the slightly illuminated area around it. [1] This reduces the eye strain and fatigue that occurs when viewing a bright display against a very dark background for an extended time, [1] and increases the perceived blackness, perceived highlights, and overall contrast of the display.

  7. 12 ways to make your home look like a Hallmark Christmas ...

    www.aol.com/lifestyle/12-ways-to-make-your-home...

    This fir comes pre-lit with more than 250 warm-white lights adorning its more than 756 branch tips to give it a full, lush appearance. ... The cord has an easy on/off switch that makes lighting it ...

  8. Lighting control system - Wikipedia

    en.wikipedia.org/wiki/Lighting_control_system

    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.

  9. Dimmer - Wikipedia

    en.wikipedia.org/wiki/Dimmer

    To house this device, he decided on a 2-inch round device with one end capable of being screwed into a light bulb socket and the other end able to receive a light bulb. [ 4 ] When solid-state dimmers came into use, analogue remote control systems (such as 0-10 V lighting control systems) became feasible.

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