Vision™ MX280001A Spectrum Monitoring Application Software : High-Speed Port Scanner (Option 407) : Adding Limit Lines
 
Adding Limit Lines
To add limit lines to the swept signal.
1. Click the Run/Stop button to stop the sweep.
2. Click on the Options and Settings button on the Toolbar to open the Options and Settings dialog.
3. Click on either the Upper or Lower Limit line options in Table Display Columns. These fields will be added to the Table List.
4. Click Upper Limit or Lower Limit.
5. Click the Table List view from the tool bar.
6. Click a “limit” cell in the Table List.
7. Press F2 on the keypad to open the Sweep Monitor Mask Editor dialog as shown in Figure: Sweep Monitor Mask Editor.
8. Click the cell in the dialog to type in the desired frequency and power level.
9. Click Apply when complete.
The Limit cell will display “Segmented” indicating the limit segment entered is now active. The channel power cell will display red if the segment mask is tracking a power level violation.
Sweep Monitor Mask Editor
Limit functions:
• None: Default setting. Do not change if you do not want a limit for this channel.
• Channel Power: Click to set a simple limit on the channel power. Type or enter a numeric value into the field. A Channel Power limit does not correspond with a max or min power level in the data, but for the integrated channel power.
• Segmented: Click to create a limit line mask. This will open the Sweep Monitor Mask Editor. A segment definitions contains a Start Frequency, Stop Frequency, and a Power Level. You may enter up to 21 segment definitions. At the bottom left of the dialog are three buttons - Copy, Paste, and Delete. Copy and Paste allows you to copy the defined segments in the editor and paste those segments into another channel’s Upper or Lower Limit segment definition. Delete clears the Sweep Monitor Mask Editor. Click Apply after completing the segmented mask definition.