Fdr graph – EXFO VDSL2 User Manual
Page 109
Fault Location Tests
Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set
101
Loop Mapper Test
FDR Graph
The FDR Graph tab allows you to view
results of the high resolution FDR test
methodology used in the Loop Mapper
test.
The list and buttons on the tab are
described below:
³
(Zoom function List) allows you to
select the desired zoom function:
Horizontal Zoom or Vertical
Zoom. The selected function is displayed in the box.
³
Zoom In allows you to increase the level of zoom for the selected
zoom function.
³
Zoom Out allows you to reduce the level of zoom for the selected
zoom function.
To zoom in/out:
1. Press
to display a list of zoom functions.
2. Press the up/down arrow key to highlight the desired zoom function.
3. Press
to select the zoom function.
4. Use the left/right arrow key to highlight the Zoom In or Zoom Out
button as required, then press
.
5. The graphical display zooms in or out accordingly. Press
repeatedly to continue zooming.
To move the screen pointer:
Press the left/right arrow key to move the screen pointer. The pointer value
updates dynamically.