press-to-transmit button

См. также в других словарях:

• Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is …   Wikipedia

• speechless code — A code used by aircraft when the voice message is unintelligible to a controller. These are a series of simple transmissions made by simply pressing the press to transmit button to indicate the following meanings: i. One short transmission means …   Aviation dictionary

• Security token — Several types of security tokens with a penny for scale …   Wikipedia

• Push to talk — (PTT), also known as Press to Transmit , is a method of conversing on half duplex communication lines, including two way radio, using a momentary button to switch from voice reception mode to transmit mode.Conventional two way radiosFor… …   Wikipedia

• Selective calling — SECAL redirects here. For the French wine grape also known as Secal, see Jurançon (grape). In a conventional, analog two way radio system, a standard radio has noise squelch or carrier squelch which allows a radio to receive all transmissions.… …   Wikipedia

• Computer-assisted dispatch — The central idea is that persons in a dispatch center are able to easily view and understand the status of all units being dispatched. CAD provides displays and tools so that the dispatcher has an opportunity to handle calls for service as… …   Wikipedia

• Marine VHF radio — A standard handheld maritime VHF, mandatory on larger vessels under the GMDSS rules …   Wikipedia

• Computer-aided dispatch — The CAD system of a fire department on a busy day. The line at the bottom is about to be dispatched. (Note:addresses have been changed for privacy reasons.) Computer assisted dispatch, also called Computer Aided Dispatch (CAD), is a method of… …   Wikipedia

• Hell Is for Heroes (band) — Infobox musical artist Name = Hell is for Heroes Img capt = Img size = Landscape = yes Background = group or band Alias = Origin = flagicon|England Camden, London, England Genre = Post Hardcore Years active = 2000 Present Label = Burning Heart… …   Wikipedia

• List of James Bond gadgets — A popular element of the James Bond franchise is the exotic equipment and vehicles he is assigned on his missions, which often prove to be critically useful.The original books and early adaptations had only relatively minimal pieces like the… …   Wikipedia

• Axle — For other uses, see Axle (disambiguation). Not to be confused with Axl (disambiguation) or Axel (disambiguation). Train wheels are affixed to a straight axle, such that both wheels rotate in unison. This is called a wheelset. An axle is a… …   Wikipedia