detection and warning system

automated target detection, tracking, co-ordinate finding and interceptor guidance system

Warning text that appears when the battery voltage falls below warning threshold

Airborne Warning and Control System (AWACS)

fire extinguishing system sprinkler system and fire alarm system

attitude-and-heading reference system / attitude and heading reference system (AHRS)

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

detection system

combustible fume detection system

gunshot detection system

fire detection system

radar-version microwave mine detection system

short-pulse mode radar mine detection system

passive detection system

fault inferring nonlinear detection system

radar (radio detection and ranging)

RADIAC ('radioactivity, detection, indication and computation')

radio detection and ranging (radar)

fire detection and extinguishing

coherent echo modulation and detection

Light Detection and Ranging (LiDAR)

early warning sharing (system) (EWS)

early warning system (EWS)

early warning system (EWS) operator

missile early-warning system

NATO Intelligence Warning System (NIWS)

phased array warning system (PAWS)

radar warning system (RWS)

regional warning system (RWS)

warning system control unit

warning electronic system

emergency warning system

fire warning system