EXFO MaxTester 635G User Manual page 241

Sweep
The Sweep test allows you to configure parameters
and provides a snapshot measurement of Return
Loss in a graphical format, and pass/fail status.
Current Group is the current test group name, for

example Frequency Tests.
Current Test displays the test being measured.

Here you can switch to another Frequency test
from the given list. However, this action will
terminate the ongoing measurement test.
Bandwidth allows you to select the frequency

range for the test from a list of available
bandwidth: ISDN, HDSL, SHDSL, ADSL1/2, or ADSL2+.
Termination Resistance lists a choice of resistance values for the

termination of the signal.
Threshold Settings button opens a new page that allows you to set

Return Loss thresholds for the transmission.
Select Graph button changes to Graph Selected when pressed and

opens a new selection of function keys which allow you to maneuver
the graph as follows:


Copper and G.fast/VDSL2/ADSL2+ Multi-play Test Set
Cursor - press the left/right arrow keys to decrease/increase the
values by moving the cursor. Press and hold the left/right arrow
keys to accelerate the cursor. Press
place it in the middle of the current x-axis limits.
Zoom references the middle of the x/y axis and not the cursor
position. Press the arrow keys as follows:
Right = x-axis zoom in.
Left = x-axis zoom out.
Frequency Tests
Return Loss
to recall the cursor and
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