Keysight N9923A, User Manual, Page: 81 / 276

Keysight N9923-90001 User’s Guide
81
CAT (Cable and Antenna Test) Mode
CAT Mode Settings
— Then
Average N
where
N
is the current count setting.
— Enter a value using the numeric keypad. Enter 1 for NO averaging.
— Press
Enter
.
— While Trace Averaging is in process, press
Sweep 3
then
Restart
to restart
the averaging at 1.
Smoothing
Trace smoothing averages a number of
adjacent
data points to smooth the
peak-to-peak noise values on a displayed trace. The number of adjacent data
points that are averaged is known as the smoothing aperture. Aperture is set
by specifying a percentage of the X-axis span.
Trace smoothing does NOT significantly increase measurement time.
Smoothing can be used with any CAT format.
When enabled,
Smo
appears on the FieldFox screen.
How to set Smoothing
— Press
BW 2
.
— Then
Smoothing ON OFF
.
— Then
Sm. Aperture
and enter a value between 0 and 25 (percent) using the
numeric keypad.
— Press
Enter .
Single or Continuous Measure
This setting determines whether the FieldFox sweeps continuously or only once
each time the
Single
button is pressed. Use
Single
to conserve battery power
or to allow you to save or analyze a specific measurement trace.
This setting can be changed at any time without affecting calibration accuracy.
How to set Single or Continuous
— Press
Sweep 3
.
— Then choose one of the following:
—
Single Automatically sets Continuous OFF and causes FieldFox to
make ONE sweep, then hold for the next Single key press. Hold is
annotated in the upper left corner of the display when NOT sweeping,
and changes to an arrow --> while the sweep occurs
—
Continuous ON OFF
Makes continuous sweeps. This is the typical
setting when battery power is not critical.
You can also use
Run / Hold +/-
to toggle between Single and Continuous.