Setting Up A Test Mask - Symmetricom 5120A Operation And Maintenance Manual

information on how to do so see

5.1.3 Setting Up a Test Mask

Test masks display a visual fail level reference line for phase noise data. A test mask is a set of line
segment end points that are scaled as data points are. Line segments are drawn between the points
after scaling. Note that a test mask must contain at least two points before a line segment appears
on the plot.
The red dotted line
is a test mask.
The PNTS can store five different phase noise test masks. One of them is considered to be the
current test mask. The current test mask changes as masks are loaded and saved. The current mask
is highlighted in the editor's load and save softkey interfaces. It is marked with a dot in the mouse
popup menu. Loading, saving and editing of test masks is done with the test mask editor.
To access the test mask editor:
1. Select the Phase Noise Plot (see
2. Press Config Phase Noise.
3. Press Test Mask.
4. The Test Mask Editor is activated and displays the points in the current test mask. The
current test mask is empty when the phase noise test set is shipped.
shows the test mask editor for the test mask shown in
Phase Noise.
38
"5.1.5 The Spur Table"
Figure 11: Example Test Mask for Phase Noise
"3.1.1 Navigation"
on page 42.
on page 12 for details).
Figure 12
Figure 11 Example Test Mask for
5: Configuring Data Displays
on page 39