EXFO VDSL2 - Manual (Page 125)

Wideband Tests
Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set 117
Impulse Noise Histogram
Graph
The Graph tab allows you to view
results of the wideband impulse noise
histogram test in graphical form.
The buttons on the pane are described
below:
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 or out:
1. Use the left or right arrow key to highlight the Zoom In or Zoom Out
button as required, then press .
2. 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.