Communications, Inc. Switch User Manual

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GE/AR80 Installation Manual

580-00519, rev A 27 of 40

d) Loosen the two vertical control bolts holding the antenna to the antenna mount

e) The Vertical Fine adjustment is not designed to be tightened; use the “hex nut” to

fine (and rough) adjust the elevation (vertical position) to highest RSL value.

f) While monitoring the Voltmeter, begin to align the Vertical position of the

antenna to obtain the highest RSL voltage level.

g) Once completed, this fine adjustment must be repeated at the remote end of the

system, if you have not obtained the “target” RSL voltage for the given path

distance (see RSL Vs. distance chart on Chapter 6).

h) If you are have not obtained the “target” RSL voltage for the given path distance

(or you want to further improve it), you will need to re-align the antenna, go back

to the original site you started with and restart steps (a-f) and re-align again. See

Figure 3-15 below of a conceptual illustration of and antenna beam to keep in

mind while you perform a re-alignment.

i) Once again, the very narrow beamwidth of this antenna (0.9º) makes it necessary

to completely tighten the bolts of the azimuth adjustment while adjusting the

elevation and vice versa.

Note: Verify that the RSL voltage falls within the expected range based on the graph in

pendix A.

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