Search results
Results from the WOW.Com Content Network
The earliest methods of sounding an alarm would typically be by ringing a bell either at the fire station or the local church. As electricity became available, most fire departments used fire sirens or whistles to summon volunteers (many fire departments still use outdoor sirens and horns along with pagers to alert volunteers). Other methods ...
Retained firefighters are employed and trained by the local fire and rescue service. When required to answer an emergency call, retained firefighters are summoned to the fire station by a radio pager (also known as an "alerter"). Once at the station, the crews staff the fire engine and proceed to the incident.
The standard fire alarm sound used in most of North America [citation needed]. Coding refers to the pattern or tones a notification appliance sounds in and is controlled either by the panel or by setting jumpers or DIP switches on the notification appliances. The majority of audible notification appliances installed prior to 1996 produced a ...
For example, a department store may operate handheld walkie-talkies on 462.7625 MHz while there are high power pager transmitters on 462.7500 MHz and/or 462.7750 MHz in the same city. Or, a restaurant will use 467.7500 MHz to alert customers when their table is ready (using so-called "coaster pagers") while a department store nearby uses 467. ...
The popularity of fire sirens took off by the 1920s, with many manufacturers including the Federal Electric Company and Decot Machine Works creating their own sirens. Since the 1970s, many communities have since deactivated their fire sirens as pagers became available for fire department use. Some sirens still remain as a backup to pager systems.
AOL latest headlines, entertainment, sports, articles for business, health and world news.
Some fire departments used this feature to implement an individual signal (using the first of the four signals), a station based signal (i.e. paging everyone from one fire station, using the second signal), a region-based signal (i.e., everyone in the northwest region, using the third signal), and an all-call (every fireman, using the fourth ...
A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter.