Rohde & Schwarz R&S FSL3 - Page 306

R&S FSL Using Limit Lines and Display Lines – LINES Key
1300.2519.12 4.121 E-11
RBW 300 Hz
VBW 3 kHz
SWT 100 ms
Marker [T1]
-28.4 dBm
200.0100 MHz
10 kHz/
Ref -20 dBm
Att 10 dB
C
enter 200 MHz
Span 100 kHz
r
elative limit line
absolute threshold
resulting limit
10. To define a signal–level distance to the limit line, press the Edit Margin softkey and enter a value.
If the limit line is defined as an upper limit, the margin means that the level is below the limit line. If
the limit line is defined as a lower limit, the margin means that the level is above the limit line.
11. To enter a comment, press the Edit Comment and enter a comment, e.g. a description of the
application.
12. To enter a new data point:
– Press the Insert Value Above softkey.
– Enter the new x and y value in the successive displayed edit dialog boxes.
13. To change a data point:
– Set the focus on the x and y value to be changed and press the Value softkey.
– Enter the new x or y value in the displayed edit dialog box.
14. To delete a data point, select the corresponding entry and press the Delete Value softkey.
15. To shift the complete limit line parallel in the horizontal direction, select the Shift x button and enter
a x shift value.
16. To shift the complete limit line parallel in the vertical direction, select the Shift y button and and
enter an y shift value.
17. Press the Save Limit Line softkey.
If an existing name is used, a message box is displayed. You have to confirm before the limit line is
overwritten.
To edit an existing limit line
1. In the Select Limit Line dialog box, select the limit line you want to alter. For details see also "To
select a limit line" on page 4.119.
2. Press the Edit softkey.
3. Edit the data as described in "To select a limit line" on page 4.119.
4. Save the limit line (Save Limit Line softkey).
To create a new limit line based upon an existing limit line
1. In the Select Limit Line dialog box, select the limit line you want to use as a basis for a new limit
line. For details see also "To select a limit line" on page 4.119.
2. Press the Copy to softkey to transfer the data of the limit line into the Edit Limit Line dialog box.
3. Press the Edit Name softkey and enter a new name.