alarm signal

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alarm signal

[ə′lärm ‚sig·nəl]
(electronics)
The international radiotelegraph alarm signal transmitted to actuate automatic devices that sound an alarm indicating that a distress message is about to be broadcast.
References in periodicals archive ?
In fact, jays are also remarkable mimics, experts at reproducing the calls of the likes of owls, kestrels, hawks and buzzards and even sometimes chatter squirrel warnings and the alarm calls of other birds.
He added: "In total, fire crews dealt with 114 fires and false alarm calls over the 24-hour period, but this could have been drastically reduced had it not been for the fires that had been deliberately set.
Washington, July 8 ( ANI ): An endangered specie of Madagascan lemur has been found to listen to alarm calls of birds and other lemurs to warn it about the predators presence, a new study has revealed.
Alarm calls of white-faced capuchin monkeys: an acoustic analysis.
Sporadic use of alarm calls within the bout of territorial calls (directed to conspecifics) seemed the result of bird's reaction to us (human intruders), probably considering us as predator.
Summary: TEHRAN (FNA)- Many animals produce alarm calls to predators, and do this more often when kin or mates are present than other audience members.
KIM CARMICHAEL looks at the figures that show how our firefighters have been helping the North East public over the past year Deliberate refuse fires, compared to 4,115 in the previous year Fire and Rescue Authority's total expenditure Overall budget, with 40% coming from local taxpayers Cost per taxpayer per week Reduction in kitchen fires over five years Fire safety sessions delivered to schools Animals rescued Malicious false alarm calls, compared to 596 in 2008/09 Times service called to help people stranded in broken lifts Fires per 100,000 population in 2009/10 - a decrease of 6% from the previous year Number of people cut from cars after road accidents Fires were started deliberately, compared with 7,007 in 2008/09 Accidental house fires Flood-related incidents
"We would rather go to 100 false alarm calls than find out someone's neighbor watched everything, but didn't call," Moody said.
Knowsley North MP George Howarth was one of the lowest claimants at around pounds 9,000, but spent pounds 35 of taxpayers' money on just being woken up by alarm calls.
One customer was so furious when hit with a pounds 118 bill for 17 alarm calls he refused to pay - so BT cut off his landline.
Last year saw almost 1,800 false alarm calls to the fire service from Birmingham alone, a new report has shown.
Andrews in Scotland, heard the monkeys string two alarm calls into a combined sound with a different meaning, as if forming a word.