EXFO VDSL2 - Manual (Page 51)

Auto Tests
Copper, VDSL2, ADSL2+ and IP Triple-Play Test Set 43
Running CQ Auto Tests and Viewing Results
WB Impulse Noise
The WB Impulse Noise tab displays
the measured values from the
wideband impulse noise tests.
TDR
The TDR tab displays the current
Pulse/Gain and measured values from
the time domain reflectometry tests.
TDR first attempts to find the length of
the circuit and then searches all ranges
from shortest to longest for significant
events. Upon completion, the test
selects the nearest major event, sets
the range to match, and aligns the
cursor with the event.
To make TDR adjustments via the keypad:
1. Press
to change the mode button (top-right corner of the pane)
and function of the up/down arrow keys.
2. Press repeatedly to cycle between:
³
Zoom
³
CursorMarker selection