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98-141779-G Chapter 3: Installation 3-5
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3.2.3 Blocking zones with azimuth and elevation
Your installation may require that you set up blocking zones for the ADU, i.e. areas where
the ADU will not transmit and areas where transmit power is potentially dangerous for
persons frequently being in these zones. You can set up 8 blocking zones. Each blocking
zone is set up with azimuth start and stop, and elevation angle. The blocking zones are set
up in the built-in web interface of the ACU during configuration. For further information see
To set up blocking zones (RX and TX) on page 6-22.
Figure 3-2: 2 blocking zones with no-transmit zones, azimuth (example)
Figure 3-3: Blocking zone with no-transmit zones, elevation angle (example)
Antenna
360°
000°
45°
90°
180°
135°225°
270°
315°
Obstruc
-tion
Azimuth 1
Azimuth 2
Azimuth 3
Azimuth 4
Blocking zone:
Azimuth 1 - Azimuth 2,
Elevation: -25° to 50°
Blocking zone:
Azimuth 3 - Azimuth 4,
Elevation: - 25° to +30°
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