Profile: Firecom, Inc. provides life safety systems for commercial, industrial, institutional and residential users. We are ISO 9001:2000 registered. We deal with control panels, graphic systems, detectors & modules, and evacuation systems. The CGS-7 color graphic system is an interactive computer graphic display system that features an industrial grade PC, 19" touch screen monitor, zoom function capability and 19" rack mountable keyboard. The F900-450 addressable heat detector has a common profile with the F900-550 addressable ionization, and F900-650 addressable photoelectric smoke detectors. It monitors temperature by using a single thermistor network which provides a voltage output proportional to the external air temperature.