Set Up No-Transmit Zones - KVH Industries TracPhone V7IP Installation Manual

17

Set Up No-Transmit Zones

To prevent exposure to RF energy, which may be
harmful to people who stand within 36 feet
(11 meters) of the antenna, you can configure up
to two no-transmit zones for areas where crew
and/or passengers frequent (see Figure 48). The
system will disable the transmitter whenever the
antenna is pointing within one of these zones.
Follow these steps to set up a no-transmit zone.
a. Determine the necessary azimuth range for
the no-transmit zone(s). You will need to
enter, in clockwise order, beginning and
ending azimuths that define the outer
boundaries of the zone(s) relative to the
antenna's forward arrow, which should be
pointing toward the bow (see Figure 49).
b. Determine the necessary elevation range for
each no-transmit zone(s) (see Figure 50).
NOTE: Each no-transmit zone must span at least 5°
in both azimuth and elevation.
28
Figure 48: Example of No-Transmit Zone Azimuth Range
Azimuth
Range
080°
015°
Figure 49: Azimuths Relative to Antenna's Forward Arrow
Beginning
Azimuth
015
000
315
Forward
Antenna
270
225
180
Figure 50: Example of No-Transmit Zone Elevation Range
90°
Optional
No-Transmit Zone
(Example)
Ending
Azimuth
080
090
135
15°
Ending Elevation
0° No-Transmit Zone
(Example)
-25°
Beginning Elevation