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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  3. Xbox 360 technical problems - Wikipedia

    en.wikipedia.org/wiki/Xbox_360_technical_problems

    The Xbox 360 video game console is subject to a number of technical problems and failures that can render it unusable. However, many of the issues can be identified by a series of glowing red lights flashing on the face of the console; the three flashing red lights nicknamed the " Red Ring of Death " or the " RRoD " [1][2] being the most infamous.

  4. Flashing Lights (Kanye West song) - Wikipedia

    en.wikipedia.org/wiki/Flashing_Lights_(Kanye...

    Flashing Lights (Kanye West song) " Flashing Lights " is a song by American rapper Kanye West from his third studio album, Graduation (2007). The song features a guest appearance from R&B singer Dwele and additional vocals from Australian singer Connie Mitchell.

  5. Light characteristic - Wikipedia

    en.wikipedia.org/wiki/Light_characteristic

    A light characteristic is all of the properties that make a particular navigational light identifiable. Graphical and textual descriptions of navigational light sequences and colours are displayed on nautical charts and in Light Lists with the chart symbol for a lighthouse, lightvessel, buoy or sea mark with a light on it.

  6. Signal lamp - Wikipedia

    en.wikipedia.org/wiki/Signal_lamp

    A signal lamp (sometimes called an Aldis lamp or a Morse lamp[1]) is a visual signaling device for optical communication by flashes of a lamp, typically using Morse code. The idea of flashing dots and dashes from a lantern was first put into practice by Captain Philip Howard Colomb, of the Royal Navy, in 1867. Colomb's design used limelight for ...

  7. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    United States. [] In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens.

  8. Blinkenlights - Wikipedia

    en.wikipedia.org/wiki/Blinkenlights

    Watching the lights allows one to follow the instructions and the changing data as it runs the Squares program displayed on the panels. In computer jargon, blinkenlights are diagnostic lights on front panels of old mainframe computers. More recently the term applies to status lights of modern network hardware (modems, network hubs, etc.). [1]

  9. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/wiki/Mechanically_powered...

    A mechanically powered flashlight (UK: mechanically powered torch) is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need replacement of batteries, or recharging from an electrical source. There are several types which use different operating mechanisms.