EXFO VDSL2 - Manual (Page 93)

VF Tests
Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set 85
Impulse Noise
To set parameter values and start/stop the test:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press to display the list or specify the value.
3. Press the up/down arrow keys to highlight the desired value.
OR
4. Press the left arrow key to erase the existing value, and then use the
alphanumeric keypad to enter a value. To cancel the entry, press .
5. Press to accept the value.
6. Select other parameters as required.
7. Press to start/stop the test.