DS2460Q QAM Analysis Meter Operation Manual
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4.19 TDR (Option)
TDR, OPM and VFL three functions, user only can
choose two functions. Because DS2460Q only has
three ports, one for RF signal, and other two for
options.
Figure 4-71
TDR (Time Domain Reflectometer) can display cable
fault on LCD by curve mode and automatic calculate
the distance from the measuring position to fault
location. The TDR option is only used for 75Ω coaxial
cable. Before start measurement, the first step is
setup the span (measuring range), it is an estimate