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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.
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
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 ...
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 ...
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.
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 ...
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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