EXFO VDSL2 - Manual (Page 117)

Wideband Tests
Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set 109
PSD Noise
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.