EXFO MaxTester 635 - Manual (Page 164)

Noise Tests
156 MAX-635
WB PSD Noise
Result Details
The Results Details read-only page displays the WB
PSD Noise test results, in text and graphical format,
and can be viewed in portrait and landscape modes.
You can maneuver the graph as follows:

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
to recall the
cursor and 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.

Landscape Mode function key allows you to view the test results in
landscape mode. Rotating the unit clockwise or counter-clockwise
and having the keyboard on the right or left is dependent on your
preferred Landscape Mode Settings configured in Application
Settings/General.

Portrait Mode is used to change the screen orientation from
landscape to portrait.