SOS (redirect from SOS signal) operator on the ship in distress transmitting the radiotelegraph alarm signal (auto-alarm) signal—twelve extra-long dashes, each lasting four seconds with a... 22 KB (2,454 words) - 11:50, 17 April 2024 |
An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks... 22 KB (2,569 words) - 01:16, 16 April 2024 |
moving towards or away from the detector. Such an event initiates an alarm signal. This technology is not active in many properties as many consider this... 56 KB (7,842 words) - 18:51, 1 April 2024 |
An alarm device is a mechanism that gives an audible, visual, combination, or other kind of alarm signal to alert someone to a problem or condition that... 8 KB (1,066 words) - 03:38, 2 March 2024 |
Alarm indication signal (AIS) (also called “all ones” because of the data and framing pattern) is a signal transmitted by an intermediate element of a... 3 KB (414 words) - 22:43, 15 December 2022 |
which includes the general alarm signal. The LSA defines the characteristics of the general alarm signal. The alarm signal itself is seven or more short... 3 KB (433 words) - 11:41, 16 May 2023 |
Muster drill (section Alarm signal) whistle (some lines don't sound the signal on the horn or whistle) and by the ship's internal alarm (such as fire alarm bells accompanied with flashing strobe... 6 KB (752 words) - 01:40, 22 February 2024 |
Civil defense siren (redirect from Air alarm) the sirenenprobe signal, a 15-second continuous tone. Every year on the first Saturday of October, the whole range of alarm signals (with the exception... 114 KB (13,830 words) - 11:23, 28 April 2024 |