Any manufacturing process or equipment needs close monitoring, it is effectively done by employing Annunciation system. The system provides Audio and Visual indication of faults. DYNATEK make AB/ABM series is one of the most advanced, highly reliable and compact micro-controller based alarm annunciation system. The system offers annunciation with signaling and Auxiliary (open collector) output. Annunciation inputs are connected to potential free contacts. When fault condition occurs in any one of the connected inputs, annunciator indicates the fault by flashing respective window and energies Hooter Relay. The AB / ABM series inputs have site selection facility for “NO” (make to alarm) and “NC” (break to alarm). User can connect a Hooter through relay for Audio alarm. Facility to connect external “Test, Accept & Reset” push buttons is available on the back side terminals. Dual rate flashing is provided for differentiating the first & subsequent faults.