alarm

fear resulting from the awareness of danger a device that signals the occurrence of some undesirable event an automatic signal (usually a sound) warning of danger a clock that wakes a sleeper at some preset time fill with apprehension or alarm

cause to be unpleasantly surprised

"I was horrified at the thought of being late for my interview"

"The news of the executions horrified us" warn or arouse to a sense of danger or call to a state of preparedness

"The empty house alarmed him"

"We alerted the new neighbors to the high rate of burglaries"

''For the British anti-radiation missile, see ALARM.''An alarm gives an audible or visual warning of a problem or condition. Alarms used for different purposes include:

burglar alarms, designed to warn of intrusions; this is often a silent alarm: the police or guards are warned without indication to the burglar, which increases the chances of catching him or her.

alarm clocks can produce an alarm at a given time

safety alarms, which go off if a dangerous condition occurs. Common public safety alarms include:

* Civil defense sirentornado sirens

* fire alarms

* car alarms

* Autodialer alarmCommunity Alarm or Autodialer alarm (medical alarms)

* Civil defense sirenair raid sirens

* tocsins — an historical method of raising an alarm

* Distributed control systemDistributed control manufacturing systems or DCSs, found in nuclear reactornuclear power plants, refineryrefineries and chemical facilities also generate alarms.Alarms, from innocuous Siren (noisemaker)sirens to actual smoke detectors, have the capability of causing a fight-or-flight response in humans; a person under this mindset will panic and either flee the perceived danger or attempt to eliminate it, often ignoring rational thought in either case. We can characterise a person in such a state as "alarmed".With any kind of alarm, the need exists to balance between on the one hand the danger of false alarms (called "false positives") — the signal going off in the absence of a problem ; and on the other hand failing to signal an actual problem (called a "false negative"). False alarms can waste resources expensively and even dangerous. For example, false alarms of a fire can waste firefighter manpower, making them unavailable for a real fire, and risk injury to firefighters and others as the fire engines race to the alleged fire's location. In addition, false alarms may acclimatise people to ignore alarm signals, and thus possibly to ignore an actual emergency: Aesop's fable of ''The Boy Who Cried Wolf'' exemplifies this problem.

See also -

Alarm management

Clock

Burglar !alarmCategory:Securityde:Alarm nl:Alarmpt:Alarme

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Alarm Systems & Security equipment for do it yourselfers
Supplier of pro grade alarm systems for do it yourselfers. Toll free support.
http://www.alarmsystemstore.com/

GPS vehicle Guard and Monitoring
GuardMagic - GPS (Satellite) vehicle Guard, Monitoring and Navigation. GSM Access, Control and Monitoring System. GPS-GSM vehicles modules. GPS datalogger.GPS Vehicle Tracking, Real Time GPS, Passive GPS, Fleet Management, GPS-UHF messanger.
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LunarEYE Universal Telamatics Service
LunarEye's fully automated web and telephony Universal Telematics Service™ powers a diverse set of applications for its partners that enable notification, tracking, and control of commercial and personal assets. LunarEye was first to introduce a powerful set of telematics services to the automotive aftermarket industry.Users can track LunarEye-powered products via the web or telephone to an accuracy of within 60 feet. displayed on a street level map with accurate E-911 addressing.Examples today include the tracking of cars, fleets, personell, cell-phones, laptops, PDA's, luggage, even pets and most importantly children.Via a touch-tone phone or web browser, users can also control any LunarEye-powered product. For example, users can remotely unlock their car doors or turn down their home thermostat.Users can monitor any identifiable event through web page, email, telephone, or pager notifications. For example, users can opt to receive a phone call when their car alarm is triggered or to get an e-mail if their dog has wandered from their backyard in the middle of the day.LunarEye also provides call center interfaces for immediate notification of a critical event so customers may follow up with the appropriate course of action.LunarEye can also provide its partners with a host of administration functions, including: · Wireless network activation · Hardware identity management · System integration and testing · Credit card billing · Billing records · Second level support · Training
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GPS vehicle Guard and Monitoring
GuardMagic - GPS (Satellite) vehicle Guard, Monitoring and Navigation. GSM Access, Control and Monitoring System. GPS-GSM vehicles modules. GPS datalogger.GPS Vehicle Tracking, Real Time GPS, Passive GPS, Fleet Management, GPS-UHF messanger.
http://www.guardmagic.lv/

Rescue Alert Medical Emergency Alarm Systems
A Personal Emergency Alarm System company that with a comprehensive website for researching medical alert systems. This site includes alarm company comparisons and an online store.
http://www.rescuealert.com/

GL Matteson.com Personal and Property Protection Products At Its Best
Personal protection products.Our goal is to help you the customer to protect yourself at all times without causing any lasting effects, or injuries, other than feer.We will help you solve your security problems.
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Safety device alerts drowsy drivers
No Nap is a inexpensive automobile safety device, that prevents drivers falling asleep at the wheel. This intelligent device is designed to detect when the driver is in danger of DOZING off and immediately alerts him / co passengers. Prevents a potential crash. The light weight gadget fits over drivers left ear and triggers alert buzzer observing the drivers drowsiness. No Nap is a essential safety device a MUST HAVE on all road travels
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The Experts Know! Alarms
Expert and Unbiased consumer advice on all aspects of home and business security alarms. Dealer Training and Consultations created with the needs of individual alarm dealers and ethical practices at the forefront. Many helpful articles and resources.
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Early Warning Fire Detection
Early Warning Air Sampling and Linear Heat Detection. New addressable linear heat detection.
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Security
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Fokianos Security Consultants - F.S.C.
The most effective security company in Greece. More than 2.000 items for security systems (burglary,fire,access,cctv,encryption,and more than 30 different kind of security services. FSC's network, covers all over the Greece and also the Cyprus, Germany, UK, Italy, France, Holland, Israel, Poland and Russia.
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Zone Labs, Inc.
Developers of ZoneAlarm, a free, dynamic, application-level personal firewall, and of TrueVector technology for real-time Internet traffic information and control. Includes a profile, product range, support, and online purchasing.
http://www.zonelabs.com

FundAlarm
When to sell your mutual fund. (Updated 1st of each month)
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National Burglar and Fire Alarm Association
Represents the electronic security and life safety industry.
http://www.alarm.org/

LinkAlarm
Automatic, scheduled link checking with email notification. Nothing to install - just use a browser. Commercial service with a free trial.
http://linkalarm.com

The Alarm
Official site. News, history, articles, tour dates, reviews, photos, links, downloads, and online store.
http://www.thealarm.com/

Central Station Alarm Association
Organization representing alarm monitoring companies.
http://www.csaaul.org