Single button selects between default mode and two kinds of powerful noise filters. Filtering means faster, more accurate pair tracing. Digital signal processor for accuracy and sensitivity. Durable, light weight. Audible and visible signal detection. Continuous, wide-range volume control. Butt set terminals. Field replaceable tip, spare tip included. Uses a single 9 V battery. One probe for many applications. Works with any tone generator. The narrowband filter mode is especially well suited for 577Hz Telco tone sources and a version is available for 1kHz systems (983Hz).
