Keysight X Series Measurement Manual page 39

Making MSR Measurements
MSR Downlink Signal Measurement
Step
3. Turn reference trace
on.
Figure 2-21 MSR Downlink Power Statistics CCDF Measurement Result
4. Optimize the
measurement for your
signal level.
If you have a problem, and get an error message, see the guide "Instrument
Messages", which is provided on the Documentation CD ROM, and in the
instrument here:
C:\Program Files\Keysight\SignalAnalysis\Infrastructure\Help\bookfiles.
Keysight N9083A & W9083A Measurement Guide
Action
Trace/Detector Ref Trace
Press ,
(On)
to represent the user-definable
reference trace (violet line).
Meas Setup IF Gain
Press ,
optimize the measurement for your
signal level. If you have a very high or
Low Gain
low level signal, selecting
High Gain
or can improve your
Auto
accuracy. The default is
Notes
The reference trace is the same as the
measurement trace. You can use the Store
Ref Trace key to copy the currently measured
curve as the reference trace. It will not
change until you store the reference trace
again or choose the other mode. The CCDF
measurement result with the reference trace
should look like
to
.
Figure 2-21
.
39