User manual

User’s Guide for DSA800 Series
Chapter 2 Front Panel Operation RIGOL
2-35
2. Max Hold
Maintain the maximum for each point of the trace, and update the trace point
if a new maximum is generated in successive sweeps.
3. Min Hold
Maintain the minimum for each point of the trace, and update the trace point
if a new minimum is generated in successive sweeps.
4. Video Avg
Display the logarithmic average for each point of the trace. Traces in this type
are smoother.
5. Power Avg
Display the average of each point of the trace. Traces in this type are
smoother.
6. Freeze
Stop updating the trace data to observe the trace and read the measurement
data. This type is generally used by traces loaded from storage devices or
remote interface as default.
7. Blank
Disable the trace display and all measurements of this trace.
Average Times
Set the number of averages of the selected trace.
Key Points:
 More averages can reduce the noise and the influence of other random signals,
thus highlighting the stable signal characteristics. The larger the number of
averages is, the smoother the trace will be.
 You can use the numeric keys to modify this parameter, please refer to
“Parameter Setting” for more details.