User's Manual Chapter 3

Chapter 3. Installation FibeAir 1500 Installation & Operation Manual
3-34 Installation Instructions Revision 2.0
3.10.2. Initial Antenna Alignment − Using the Headset
If a tone is heard,
your initial alignment is OK. Now you can adjust the aim
to find the highest tone pitch and proceed to the final alignment as
described in section 3.9.18.
If no tone is heard, the initial alignment is not satisfactory. It is
recommended to use the mechanical aim for initial alignment.
In this case, loosen the azimuth bolts and adjust azimuth and tighten in the
position where the highest tone is heard. If this does not help, adjust
elevation and then azimuth. See directions below.
Note
We recommend that two people perform this installation and alignment procedure, one
at each ODU site, with some method of communications between them.
3.10.2.1. Azimuth Alignment
■ Loosen the nuts, as shown in the following figure, and rotate the
antenna and mount, pointing it to the location of the opposing antenna.
■ Slowly sweep the antenna in azimuth.
■ If the desired signal is not found, increase or decrease elevation setting
and repeat the azimuth sweep.
Figure 3- 33 Adjusting Azimuth - Two Foot Antenna
3.10.2.2. Elevation Alignment
■ Loosen elevation adjustment bolts and nuts to adjust elevation (refer to
the following figure).
■ Align pointer or edge of clamp with appropriate mark at the desired
elevation reading.
■ Make an approximate setting. Temporarily tighten elevation bracket
nuts.
Loosen nu
t
Loosen nuts and
adjust azimuth
Loosen nuts