3-12 PN: 10580-00343 Rev. H S820E UG
3-5 Distance-To-Fault (DTF) Cable and Antenna Measurements
Waveguide List
The Site Master S820E is equipped with a built-in, predefined waveguide list
(Freq/Dist > DTF Setup > Waveguide List) including most of the common
waveguides currently in use.
After the correct waveguide has been selected, the instrument updates the
Cutoff Frequency and the waveguide attenuation values to correspond with
the waveguide. For setups with several different types, choose the main
feeder waveguide.
For waveguides not on the list, select NONE and manually enter the
Waveguide Loss and Cutoff Freq in DTF Aid or the DTF Setup submenu.
Custom waveguides can be created and uploaded to the instrument using
Line Sweep Tools (LST). Instructions for using the LST Waveguide Editor are
available in the software’s Help menu. The latest version of LST is available
from the Anritsu web site: http://www.anritsu.com/.
The name, cutoff frequency, and waveguide loss of the selected cable is
displayed below the graph during distance measurements (Measurement >
DTF Return Loss or DTF VSWR).
Note
If the Waveguide list button is not displaying,
then toggle DUT Line Type to WG
Note
Custom waveguide settings that are entered manually are not
saved when the instrument is preset, reset, or turned off.
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