User Manual

SRU Installation
2-16 SRU Inst allat ion Manual 17286-1000 Rev. B 03/14/01
2.4 .3.1
2.4 .3.12.4 .3.1
2.4 .3.1 Adjusting the Ante nna’s Wa veguide Position
Adjusting the Ante nna’s Wa veguide PositionAdjusting the Ante nna’s Wa veguide Position
Adjusting the Ante nna’s Wa veguide Position
1.
Remove the red cap from the antenna feed. Figure 2-13 shows the position of
the antenna feed as shipped with vertical polarization.
2.
Using the Allen key provided, remove and save the 4 Allen bolts from the
antenna chassis near the center of the antenna.
3.
Grasp the stainless steel antenna feed and rotate it one-quarter turn (90º). When
the long sides of the rectangular waveguide are perpendicular to the horizon,
the antenna is horizontally polarized.
4.
Align the holes for the Allen bolts in the antenna chassis with the holes in the
stainless steel antenna feed inside the chassis.
5.
Replace the Allen bolts (removed in step 2) into each of the 4 holes. Tighten the
bolts with the Allen key provided.
6.
Go to section 2.4.2 step 4 to complete the pre-installation procedures.
Unscrew the (x4) allen bolts
(Allen Key supplied)
NTR98-032-001
Vertical
Waveguide
Polarization
Horizontal
Waveguide
Polarization
Rotate stainless steel
center 90°
Figure 2-13 Non-Integral Antenna: Changing Polarization