3-18 PN: 10580-00343 Rev. H S820E UG
3-5 Distance-To-Fault (DTF) Cable and Antenna Measurements
DTF Measurement Examples
1. Press the Measurement main menu key and select DTF Return Loss or
DTF VSWR.
2. Press the Freq/Dist main menu key.
3. Press the Distance submenu key and then select DTF Aid. Use the
touchscreen, rotary knob, or Up/Down Arrow keys to navigate through
all the DTF parameters.
l. Highlight a parameter in the DTF Aid table to edit and then
press Edit or Enter to display a parameter for editing.
m. Edit all required parameters and then highlight Keep current
values – CONTINUE and press Enter.
4. Connect a phase-stable Test Port cable to the RF Out/Reflect In
connector on the Site Master. Press the Calibration main menu key to
start calibration of the instrument. Refer to Chapter 4 for details.
5. Connect the Site Master to the Device Under Test using the calibrated
phase-stable test port cable.
Note
If Stop Distance is greater than DMax, then increase the number
of data points or reduce the frequency span accordingly.
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