The 830R/T (receiver/transmitter) system is designed to provide best performance at a high active frequency to identify and trace metallic pipe or cable, water, and gas distribution lines. Automatic features include gain control, auto depth, and visual and audio feedback. The construction-grade 830R/T system has an IP65 environmental rating. Adaptive filtering ensures that the 830R/T is highly responsive in all modes of operation, providing left-to-right guidance quickly regardless of mode or operator style.