EXFO MaxTester 635 - Manual (Page 157)

Noise Tests
Copper and VDSL2/ADSL2+ Multi-play Test Set 149
VF Impulse Noise
To select the parameter values:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press the left/right arrow keys to view and select the options.
OR
3. Press on a value to open a list box of options.
4. Press to confirm the value.