Keysight N9927-90001 User’s Guide 51
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
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.
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