Antennacraft HD850 - Manual

3. If your antenna has a support boom, align its support straps
and mast clamp with the main boom’s support strap holes
and mast clamp. Attach the support straps to the main boom
using the supplied 1
1 /
2
-inch screws and large wing nuts.
4. Press the supplied large end plugs into the main boom and
cradle boom.
5. Pull the two halves of the UHF dipole away from the main
boom until they lock into place. Then place each half’s un-
attached end over one of the antenna’s lead-in terminals
(one for each half of the UHF bowtie on each side of the
boom). Note: Both sections of the isolation network should
remain parallel to the main boom.
BEFORE YOU BEGIN
Read this manual and Consumer Product Safety Commission
information. For your safety and convenience, plan each step of
the installation and purchase the necessary hardware in advance.
The order in which you perform the steps and the hardware re-
quired depends on the mounting and connection methods you
choose.
We recommend two people assemble the entire antenna on the
ground, then mount the assembled antenna on the mast. The
following steps are required to assemble your antenna depend-
ing on which model you have. Look at your antenna to see which
steps you will need to follow.
Warning: When you install your antenna, use extreme caution.
If the antenna starts to fall, let it go! It could contact overhead
power lines. If the antenna touches the power line, contact with
the antenna, mast, cable, or guy wires can cause electrocution
and death. Call the power company to remove the antenna.
Do not attempt to remove it yourself.
ASSEMBLING THE ANTENNA
1. Use the supplied hardware to assemble the main boom sec-
tions as shown. If necessary, lift one end of the main boom so
the wires reach the threaded posts of the next section.
HD SERIES
UHF/VHF/FM Antenna with MatchingTransformer
HDTV-Compatible
HD1850
2. Loosely attach the supplied U-bolt and lock nuts to the mast
clamp assembly on the main boom as shown. If your an-
tenna has a support boom, attach its U-bolt and lock nuts to
its mast clamp assembly, facing it the same direction as the
main boom’s mast clamp assembly.
HD1800
HD1200
HD850
WARNING: Installation of this
product near powerlines is
DANGEROUS. For your safety,
follow the installation directions.