ETS-Lindgren 3119 Double-Ridged Waveguide Horn - Manual (Page 28)

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Mounting a Model 3112 to the Optional Positioning System
Air Polarization Option
 Plug the ends of the twin air
hoses into the two AIR OUT
connectors located on the
interface box at the base of
the custom positioning
system.
 Plug the opposite ends of
the twin hoses into the two
90 degree fittings on the air
cylinder of the custom
positioning system.
 Plug one end of the single air hose into the AIR IN connector located on the
opposite side of the interface box at the base of the custom positioning
system (shown in previous diagram).
 Plug the opposite end of the single air hose into the air supply.
 Once the antenna is completely secure and the connections are made,
connect the power supply to the POWER SUPPLY port on the opposite side
of the interface box at the base of the custom positioning system (show in
previous diagram).