Keysight N9927-90001 User’s Guide 545
Channel Scanner (Option 312)
How to Set Up Channel Scanner
——For both Cable and Antenna correction, Positive numbers
indicate loss (we need ADD something positive to compensate
for it), and Negative is indicative of some existing gain.
——Antenna Factor describes the dB value needed to accurately
display a far-field signal in terms that are in the units listed
below. When the antenna has low gain, or low efficiency, the
dB value to be added is larger.
—When one Freq/Value pair is entered, that correction value is applied
to the entire displayed frequency span.
—When two or more Freq/Value pairs are entered, the data points
between the lowest and highest frequencies are corrected. Linear
interpolation is applied between frequencies when necessary.
— Optionally choose from the following:
—Previous / Next Page
Quickly scrolls through pages of Freq/Value
data.
— Add Row
Add a blank Freq/Value pair to the table,
—Delete/Clear
then:
——Delete Row
Remove the selected Freq/Value pair from the
table.
——Clear All
then Yes Remove all Freq/Value pairs from the table
and resets header information to default settings.
When the table edits are complete
—Press Done
to close the Antenna/Cable Editor.
—Press Save Antenna
or Save Cable to save your changes to the specified
Storage Device. Enter a filename using the FieldFox labeler (learn more in
“How to use the FieldFox labeler ” on page 674). Learn more about
Antenna and Cable files below.
—Press Recall Antenna
or Recall Cable to load an Antenna or Cable file from
the specified Storage Device.
— Storage Device
Changes the device used to save or recall files. Choose
from Internal (default setting), USB (must be connected) or SD card. This is
a different setting from the Save/Recall Storage Device setting.
About Antenna and Cable files
— Cable files are saved and recalled from the Cables folder.
— Antenna files are saved and recalled from the Antenna folder.
—To DELETE Cable or Antenna files, use the Manage Files feature. Learn more
in “Manage Files” on page 680.
— If the folder does not already exist on a USB or SD card, it is created
automatically before storing the file.
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