Definitions for "Alarming"
A preprogrammed response to a input signal from a contact closure. The response may vary depending on the type of equipment.
A feature on some CCTV equipment, which usually closes an electronic switch in response to a designated input alarm signal.
The ability of CCTV equipment to respond to an input signal, normally a simple switch closure. The response varies depending on equipment type, most common is for switcher to ‘hold' on the camera corresponding to the alarm input.
Keywords:  larm, adv, apprehension, crisis, ing
Exciting, or calculated to excite, alarm; causing apprehension of danger; as, an alarming crisis or report. -- A*larm"ing*ly, adv.
Alarming means sending out virus alarms when a potential dangerous virus is discovered.
Keywords:  fear, causing
causing alarm or fear