
Cable and Antenna Test Mode
R&S
®
Cable Rider ZPH
124
User Manual 1321.0950.02 ─ 03
To resume the display update, select the "Hold" softkey again.
7.3 Analyzing Measurement Results
7.3.1 Working with Traces
The R&S Cable Rider ZPH provides several trace modes. The trace mode defines the
way the R&S Cable Rider ZPH writes the trace.
For more information on the sweep mode, see
Chapter 7.2.4.1, "Selecting the Sweep
There are two ways how the R&S Cable Rider ZPH write the trace:
●
Clear/Write
This is the default trace mode. In this mode, the trace is overwritten after each
sweep.
●
Average
In this mode, the trace is the result of the moving average over several sweeps.
You can define the number of sweeps to be (moving) averaged.
1. Press the TRACE key.
2. Select the "Trace Mode" softkey.
The R&S Cable Rider ZPH opens a submenu to select the trace mode.
3. Select the "Clear/Write" or "Average" menu item.
7.3.1.1
Working with Memory Traces
The R&S Cable Rider ZPH can transfer a trace to the trace memory and also display
the current trace and the trace in the trace memory for comparison. The saved trace is
always displayed in a lighter yellow to distinguish it from the current trace. See
1. Press the TRACE key.
2. Select the "Trace
▶
Memory" softkey.
The R&S Cable Rider ZPH transfers the trace to the trace memory.
3. Select the "Show Memory" softkey.
The R&S Cable Rider ZPH displays the saved trace in lighter yellow.
You can remove the memory trace by pressing the "Show Memory" softkey again.
The memory traces are bit-mapped into the picture memory. Therefore, when the
memory trace is recalled, it will not be adapted to any modifications of the reference
level or span that may have been made in the meantime.
Analyzing Measurement Results