Tektronix WCA200A, User Manual

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Trace Comparison Display and Average Function
3- 188
WCA230A & WCA280A User Manual
This section shows how to use averaging and the compared display.
Performing Averaging.
Average and display Trace 1.
1.
Display the spectrum of the measurement signal.
2. Pause data acquisition to simplify the operation. If you are acquiring the data
in the continuous mode, press the RUN/STOP key to stop the acquisition.
3. Press the TRACE/AVG key on the front panel.
4. Press the Select Trace side key to select 1 .
5.
Press the
Trace 1 Type
side key and select
Average
for example.
6.
Press the
Number of Averages
side key and set
64
for example.
7. Press the RUN/STOP key to acquire data.
8. Press the Reset Average side key to perform averaging again.
The averaged waveform is displayed on screen (see Figure 3--130).
The average count is indicated in the right top portion of the screen.
Reset Average
Restart averaging.
Select Trace
Selects Trace 1 or 2 to control.
Number of Averages
Sets how many traces are accumulated.
Trace 1 (or 2 )
Selects the display method.
Average count
Trace 1 (or 2 ) Type
Selects the trace type (Average here).
Figure 3- 130: Displaying an averaged waveform
Averaging Example