Arcom Digital Quiver XT User Manual page 27

WHEN USING THE NTC TDR CONNECTED TO AN AMPLIFIER, PLEASE
BE VERY CAREFUL IN SELECTING THE PROPER TEST PORT AS THEY ARE
DIFFERENT THAT WHAT IS TYPICALLY USED – THE INPUT NEEDS TO BE
RETURN INPUT IN THE FORWARD, AND OUTPUT NEEDS TO BE RETURN
OUT IN THE RETURN!
The NTC TDR output display is unique in that it provides a presentation of easily
understandable return loss across the measured span.
significantly improved over that provided by status quo TDRs which just provide difficult
to interpret impedance bumps indicating shorts or opens.
This output format is
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