CAT (Cable and Antenna Test) Mode 25
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:
o 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.
o 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.
Resolution (Number of Data Points)
Data points are individual measurements that are made and plotted across the X-
axis to form a trace. Select more data points to increase measurement resolution.
However, more data points require more time to complete an entire
measurement sweep.
When the Resolution is changed after a calibration is performed, the cal becomes
interpolated. Learn more on page 71.
How to set Resolution
Press Sweep 3.
Then Resolution.
Then choose one of the following:
101 | 201 | 401 | 601 | 801 | 1001 |1601 | 4001 | 10001.
Using SCPI, Resolution can be set to any number of points between 3 and
10001. See the Programming Guide at http://na.tm.agilent.com/fieldfox/help/
Sweep Time
The fastest possible sweep time is always used as the default setting. Use the Min
Swp Time setting to slow the sweep time when measuring long lengths of cable.
Learn more in the Supplemental Online Help:
http://na.tm.agilent.com/fieldfox/help/FieldFox.htm.
The actual sweep time is shown on the FieldFox screen. See the Screen Tour on
page 18. To increase the sweep time, enter a value that is higher than the actual
sweep time. The increase will not be exactly the amount that you enter, as the
actual sweep time is the composite of many factors.
NOTE Measurement speed specifications do NOT apply in Temperature Control Mode.
Learn more on page 13.
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