Search results
Results from the WOW.Com Content Network
Autovon keypads were one of the few production units to include all 16 DTMF signals. The red keys in the fourth column produce the A, B, C, and D DTMF events. Before the development of DTMF, telephone numbers were dialed by users with a loop-disconnect (LD) signaling, more commonly known as pulse dialing (dial pulse, DP) in the United States.
The Concrete, Washington area has a system of eight 8032B Modulators to warn of possible breaches at the Baker River Dam. The system uses a distinctive "WHOOP" tone that was originally produced for Federal Signal's line of fire alarms. The system is tested on the second Monday of every month at 6:00pm. [6]
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
In the United States, the standard "city" dial tone was a 600 Hz tone that was amplitude-modulated at 120 Hz. [3] Some dial tones were simply adapted from 60 Hz AC line current. In the UK, the standard Post Office dialing tone was 33 Hz; it was generated by a motor-driven ringing machine in most exchanges and by a vibrating-reed generator in ...
Area codes in New York state; area codes 631 and 934 highlighted in darker yellow. Area codes 631 and 934 are the telephone area codes in the North American Numbering Plan (NANP) for Suffolk County, New York, on Long Island. Area code 631 was created in 1999 in a split from 516; and 934 was added as an overlay in 2016.
Dual-tone multi-frequency signaling → DTMF – Per WP:COMMONNAME and MOS:ACROTITLE, it is commonly called DTMF and the abbreviation is not commonly used for something else. PhotographyEdits 11:59, 21 February 2024 (UTC) Agree - DTMF is the most common parlance in telecom documentation. Lexlex 21:04, 25 February 2024 (UTC)
The FCC issued several fines relating to EAS tone usage in August 2019, including ABC being fined $395,000 for using wireless emergency alert tones multiple times during a Jimmy Kimmel Live sketch, AMC Networks being fined $104,000 for using the tones in The Walking Dead episode "Omega", Discovery Inc. being fined $68,000 for including footage ...
Federal Signal Model 5 in Ballston Spa, New York, U.S.. Sirens are sometimes integrated into a warning system that links sirens with other warning media, such as the radio and TV Emergency Alert System, NOAA Weather Radio, telephone alerting systems, Reverse 911, Cable Override, and wireless alerting systems in the United States and the National Public Alerting System, Alert Ready, in Canada.