Bird Technologies SK-4000-TC-Manual - Manual (Page 29)

17
Chapter 4 Fault Location Mode
Fault location identifies the position of impedance discontinuities (reflections)
within the antenna system. The measurement results are displayed on an x-y
graph. Distance from the SiteHawk Analyzer is shown on the x-axis, while rela-
tive magnitude of the discontinuity is shown on the y-axis.
Before making a fault location measurement, ensure that the following items
and information are present:

Calibration Combination (Cal Combo) calibration unit

All necessary cables and adapters of the correct size and connector type

The velocity of propagation for the cable type being measured (obtain
from the cable manufacturer)

Number of data points to use in making the distance to fault measure-
ment (user choice)
Selecting Fault Location Mode
1. Select Mode.
2. Select one of the following:

DTF_SWR

DTF_RL
Note: When making a Cable Loss measurement, select units for the Y
(vertical) scale: DTF_SWR for standing wave ratio or DTF_RL for return
loss in dB.
3. Select the number of Data Points.
Figure 11 DTF Mode Select
1
2
3