R&S ZVH Spectrum Analyzer Mode (R&S ZVH-K1)
Configuring Spectrum Measurements
Operating Manual 1309.6946.12 - 09 144
4.2.5.4 Working with Memory Traces
You can save the image of both traces to the memory of the R&S ZVH and later
restore it and compare it to a live trace. The memory trace is always colored white to
distinguish it from the live trace.
Measurement settings
Because the memory trace is just a bitmap, any modifications to measurement settings
like span or reference level are nor reflected in the memory trace.
When you save a data set, the R&S ZVH also stores the associated trace in the trace
memory. If you restore it at a later time, you can display the memory trace as if it is a
normal memory trace.
► Press the TRACE key.
► Select the trace you want to store
in the trace memory with the
"Select Trace" softkey.
► Press the "TraceMemory"
softkey.
The R&S ZVH saves the active
trace.
► Press the "Show" softkey.
► Select the "Memory <x>" menu
item.
The R&S ZVH shows the corresponding memory trace. If active, it labels the
"Memory <x>" menu item with an [X].
4.2.5.5 Using Trace Mathematics
Trace mathematics substract the memory trace from the live trace and vice versa and
then display the results.
► Press the TRACE key.
► Press the "TraceMemory"
softkey.
► Press the "Show" softkey.
► Press the "Trace Math" softkey.
► Select the "Trace-Memory" or
"Memory-Trace" menu item.
The R&S ZVH calculates and
shows the resulting trace.
► To turn off trace mathematics, select the "Off" menu item.
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