Although, unless there were any buried alarm triggers in the system, there was no reason for anyone to be alerted by this entry.
Pictures flash from one camera angle to another, and lock onto trouble spots whenever alarms trigger a flashing light mounted on the ceiling.
The words Mari-elle had used, "victim" and "assertive," triggered an alarm inside her.
The alarms triggered as soon as he entered his stolen account names.
A false alarm triggers all but one of the nation's nuclear attack early warning systems.
An alarm will trigger once the crystal hits two hundred fifty degrees Celsius.
The alarm was slowly triggering the lighting system throughout the museum, the harsh ceiling strips shimmering on, seeming to pursue them.
Such alarms might trigger gates to close roads on a mountain pass, for instance, or alert search and rescue teams.
Wear these at all times, even though they're just a precaution: the alarms trigger automatically if life-support conditions go below optimum.
Alternatively, limits may be set to particular functions and alarms triggered whenever these are exceeded.