48 Keysight N9927-90001 User’s Guide
CAT (Cable and Antenna Test) Mode
CAT Mode Settings
— Cable Loss (1-Port) 1-port reflection measurement that displays the loss of
a transmission line. Learn more on page 55
— Insertion Loss (2-Port)
2-port transmission measurement that accurately
displays the loss through a cable or other device in dB. Both ends of the
cable must be connected to the FieldFox. NO phase information is included
in this measurement. Learn more at “2-Port Insertion Loss Measurements”
on page 57. This feature is available only with an option on some FieldFox
models. For detailed information, please view the FieldFox Configuration
Guide at: http://literature.cdn.keysight.com/litweb/pdf/5990-9836EN.pdf
— DTF (Lin)
Distance to Fault in Linear format.
— TDR (Lin rho)
The Y-axis of the display is linear, real, unitless values. A trace
without reflections shows as 0 (zero). Maximum reflections from an open or
short show as 1.
— TDR (ohm)
The Y-axis of the display is impedance (ohms).
— TDR & DTF
TDR and DTF are displayed.
Quick Settings Table
Both CAT and NA Modes allow you to view and change most relevant settings
from a single location. All of these settings are discussed in this chapter and,
unless otherwise noted, ALL of these settings can also be made using the
standard softkey menus.
How to view and change Quick Settings
—Press Meas Setup 4.
—Then Settings
.
—Press Next Page
and Previous Page to view all settings. If these softkeys
are NOT available, then all available settings fit on one page.
— To change a setting:
— Use the arrows to highlight a setting.
—Then press Edit
. The current setting changes to yellow.
— Some settings require you to press a softkey to change the value.
Otherwise, use the numeric keypad, arrows, or rotary knob to
change the value.
— When finished changing a value, press Done Edit
.
—Press Dock Window
to relocate the Settings table to a position relative to
the trace window. The Dock Window setting persists through a Preset.
Choose from the following
— Full (Default setting) Only the Settings table is shown on the screen.
The trace window is temporarily not shown
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