EXFO AXS-200/610 Copper Test Module - Manual (Page 45)

Auto CQ/Video-DSL Rate Prediction
Copper Test Module 39
Running CQ Auto Tests and Viewing Results
PSD Noise
The PSD Noise tab displays the RMS
Noise value from the power spectral
density (PSD) noise tests in text and
graphical form.
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 or out:
1. Press
to display a list of zoom functions.
2. Press the up/down arrow keys to highlight the desired zoom function.
3. Press to select the zoom function.
4. Use the left/right arrow keys to highlight the Zoom In or Zoom Out
button as required, then press .
The graphical display zooms in or out accordingly.
5. Press repeatedly to continue zooming.
To move the screen pointer:
Press the left/right arrow keys to move the screen pointer. The pointer
value updates dynamically.