EXFO MaxTester 635G User Manual page 232

Frequency Tests
WB Attenuation
Select Graph button changes to Graph Selected when pressed and
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opens a new selection of function keys which allow you to maneuver
the graph as follows:
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Result displays the Cable Length, pass/fail status, and test results in
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text and graphical format. If a Threshold Frequency was selected
(other than None), the calculations are presented in 2 ways:
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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.
Up = y-axis zoom in.
Down = y-axis zoom out.
Pan - use left/right arrow keys to pan the x-axis and the up/down
arrow keys to pan the y-axis.
1:1 resets the x-axis and y-axis limits to full scale.
Return To Results removes these function keys and displays the
Attenuation page.
An attenuation vs. frequency curve is added to the graph
A table displaying the Total equivalent Calculated Attn and the
Measured Attn at the frequency, specific to the selected
technology; and up to 4 rows displaying information calculated for
each Section identified on Cable Configuration page.
The Calculated Attn is the sum of the section attenuations and is
shown in blue.
to recall the cursor and
MAX-635G