ETS-Lindgren 3119 Double-Ridged Waveguide Horn - Manual (Page 22)

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Mounting Instructions
M
OUNT
A
NTENNA AND
B
RACKET TO
4-TR
1. Attach the mounting bracket
to the 4-TR by aligning the
1/4–20 connector on the
bracket with the 1/4–20 bolt
on the tripod. Support the
antenna securely while
turning the mounting bracket
to tighten the connection.
2. To change polarization,
support the antenna securely
and remove the
thumbscrews. Turn the
antenna to align the holes on
the mounting bracket with
the desired set of holes on
the back of the antenna.
Re-insert the thumbscrews
and tighten.
Model 3117 shown
mounted onto 4-TR