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  2. Zenith Flash-matic - Wikipedia

    en.wikipedia.org/wiki/Zenith_Flash-matic

    The Zenith Flash-Matic was the first wireless remote control, invented by Eugene Polley in 1955. It had only one button that was used to power on and off, channel up, channel down, and mute. The Flash-matic's phototechnology was a significant innovation in television and allowed for wireless signal transfer previously exclusive to radio. [1] [2]

  3. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    DCO-E (Line Switch 10,000 lines) DCO-SE (Line Switch 10,000 lines, software enhanced, class features, centrex, etc.) DCO-RLS (Remote Line Switch, controlled by hosts above) RLS 1000 (Pedestal mount cabinet 1000 lines in a subdivision - required multiple T-1's to host) RLS 4000 (Same thing, but 4000 lines)

  4. Multiway switching - Wikipedia

    en.wikipedia.org/wiki/Multiway_switching

    A "4-way" (intermediate) switch is a purpose built double pole, double throw (DPDT) switch, internally wired in manufacture to reverse the connections between the input and output and having only four external terminals. This switch has two pairs of "traveler" terminals that it connects either straight through, or crossed over (transposed, or ...

  5. Red Button (digital television) - Wikipedia

    en.wikipedia.org/wiki/Red_Button_(digital...

    'Red Button' on a Bush TV remote control. The Red Button is a push-button on the remote control for certain digital television set top boxes in the UK, Australia, Belgium, Hong Kong, Malaysia, Thailand and by DirecTV and Comcast in the United States. It is for interactive television services [1] such as BBC Red Button and Astro (Malaysia).

  6. TV-B-Gone - Wikipedia

    en.wikipedia.org/wiki/TV-B-Gone

    The TV-B-Gone Pro SHP (Super High Power) is the latest TV-B-Gone to be announced. It is considerably more powerful than the standard model, using eight infra-red LEDs to allow TVs to be turned off from distances of up to 100 meters (300 feet). TV-B-Gone Pro SHP is switchable between its North American and European databases of POWER codes.

  7. Reauthenticate your AOL Mail account in third-party email ...

    help.aol.com/articles/reauthenticate-your-aol...

    Click on the video below to see the steps for Mail for Mac. The video will open in a new tab. In Mail on Mac, click Mail and then choose Settings from the menu.; Select your AOL Mail account from the account list.

  8. Consumer Electronics Control - Wikipedia

    en.wikipedia.org/wiki/Consumer_Electronics_Control

    [3]: §CEC-3.1 For example, a TV remote can also control a digital video recorder and a Blu-ray player. It is a single-wire bidirectional serial bus that is based on the CENELEC standard AV.link protocol to perform remote control functions. [4] CEC wiring is mandatory, although implementation of CEC in a product is optional.

  9. How to switch off the emergency alert on iPhone and Android - AOL

    www.aol.com/switch-off-emergency-alert-iphone...

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