Chapter 10 Main Antenna Feeder System Installation
10-11
Ф
75 mm embracing pole of the antenna
738 516
737 974
Scale
0o ~ 16o
KATHREIN
65o
Directional antenna
737 974
After the initial installation, move
the antenna left and right to adjust
the pitch angle of the antenna.
After the initial installation, move the
antenna up and down to adjust the
pitch angle of the antenna.
Connect the antenna and the fastener with short bolts and
add the spring washer and the flat washer. Add the water-
proof washer in the inner side of nut.
Connect the two with short bolts and fix the two nuts to
enhance fixation.
Fig. 10.4-2 Installing the KATHRAIN Antenna
4. Adjusting the pitch angle of the antenna
1) Adjust the pitch angle of the dip meter to the angle required by the engineering
design.
2) Turn the top of the antenna slightly, let go or hold fast the antenna at its top.
Adjust the pitch angle of the antenna till the bead is centered when the adjusted
dip meter is next to the directional antenna, as shown in Fig. 10.4-3.
3) Tighten the fastener 737974 after adjusting the pitch angle of the antenna.
Summary of Contents for ZXC10 BTSB I1
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