Passive or active modes of tracing. » Detection of underground live wires. » Detection of underground wires with no voltage (radio mode). » Detection of underground wires with no voltage using a transmitter (galvanised, inductive or clamp-based connection). » Tracing metallic or non-conductive pipes using an additional probe. » Tracing non-conductive pipelines using a “floating” probe. » Tracing a determined cable. » Determining the depth of a cable.