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  2. Radio button - Wikipedia

    en.wikipedia.org/wiki/Radio_button

    A radio button or option button [1] is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. [2] The singular property of a radio button makes it distinct from checkboxes , where the user can select and unselect any number of items.

  3. Push-to-talk - Wikipedia

    en.wikipedia.org/wiki/Push-to-talk

    Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode. CB radio with push-to-talk microphone switch

  4. Radio - Wikipedia

    en.wikipedia.org/wiki/Radio

    Radio is the technology of communicating using radio waves. [1] [2] [3] ... When a button is pressed the control transmits a coded FSK radio signal to a receiver in ...

  5. MDC-1200 - Wikipedia

    en.wikipedia.org/wiki/MDC-1200

    The base station may respond to a button press with a voice acknowledgment, for example, "Downtown 6, available." In a CAD environment, the message status 8 may be translated by the CAD system to a meaning such as available. Status 1 might mean starting a meal break. Key caps on the radio's status buttons may be engraved with their user-defined ...

  6. Media control symbols - Wikipedia

    en.wikipedia.org/wiki/Media_control_symbols

    Playback controls on a CD player. Control symbols on a Sony Betamax Portable.. In digital electronics, analogue electronics and entertainment, the user interface may include media controls, transport controls or player controls, to enact and change or adjust the process of video playback, audio playback, and alike.

  7. 30 things to do when you’re bored (that are actually good for ...

    www.aol.com/lifestyle/30-things-bored-actually...

    It’s never too late to brush up on the basics, like how to sew a button, change a tire or fix a leaky faucet. 18. Look up. Late-night boredom? Instead of looking down at your phone, poke your ...

  8. Continuous Tone-Coded Squelch System - Wikipedia

    en.wikipedia.org/wiki/Continuous_Tone-Coded...

    Some professional systems use a phase-reversal of the CTCSS tone at the end of a transmission to eliminate the squelch crash or squelch tail. This is common with General Electric Mobile Radio and Motorola systems. When the user releases the push-to-talk button the CTCSS tone does a phase shift for about 200 milliseconds.

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.