The DSC (Dynamic Stability Control) Function automatically adjusts the threshold according to received light intensity variations due to dust or dirt in real time. Fiber optics feature two distinct components, an amplifier and sensor heads. The amplifier contains "the brains". Introducing the FALCON IV, our latest upgrade in a revolutionary line of custom CPU's designed by KEYENCE specifically for our fiber optic sensors. The FALCON IV is equipped to simultaneously control several functions: high-speed computing of received light intensity, adjusting the setting value in. This review summarizes recent progress and emerging trends in multiparameter optical fiber sensing, emphasizing techniques that enable the simultaneous measurement of temperature, strain, acoustic waves, pressure, and other environmental quantities within a single sensing network. This technology is revolutionizing industries from infrastructure monitoring. We apply fiber-optic sensing approaches, and specially Distributed Acoustic Sensing (DAS) for imaging and monitoring the subsurface in a wide range of environments at depth scales varying from 10's of meters to several kilometers. DFOS technology plays a crucial.