User Manual

The Spectrum Application
R&S
®
FPC
113User Manual 1178.4130.02 ─ 05
4. Select the "Trace ▶ Memory <x>" menu item.
The R&S FPC stores the trace data in its memory. The "Memory" menu item
becomes active.
5. Select the "Show Memory <x>" menu item.
The R&S FPC shows the memory trace in a different shade of the corresponding
trace color. If active, it highlights the "Show Memory <x>" menu item.
Figure 12-15: Trace (bright yellow) and memory trace (pale yellow)
Using trace mathematics
Trace mathematics subtract the memory trace from the live trace and vice versa and
then display the results.
1. Press the "Trace" key to open the trace menu.
2. Select the "Trace ►Memory" menu item.
The R&S FPC saves the selected trace.
3. Select the "Trace Math" menu item.
The R&S FPC opens a submenu to select mathematical operations to be applied
to the traces.
4. Select the "Trace - Memory " or the "Memory - Trace " menu item.
TheR&S FPC calculates and shows the resulting trace (the memory trace remains
as it is, the result is written to the active trace).
Tip: To turn off trace mathematics, select the "Off"" menu item.
If trace mathematics is active, the resulting trace can be adjusted in its position by
selecting the "Math Position" menu item.
Trace Configuration