Furuno MARINE RADAR 1823C - Manual (Page 34)

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7. Pass the antenna cable with connector through the cable gland, gasket and cable
entrance of the antenna unit, and then tighten cable gland.
Note 1: Be sure the shrink tube on the antenna cable does not contact to the gasket.
Note 2: Close the gasket tightly to insert into the cable entrance. Confirm that there is no
space between both ends of the gasket after inserting into the cable entrance.
Rubber gasket
Gasket
Cable Gland
Sectional view
Mounting base
Rubber gasket
Antenna cable
Gasket
Close the gasket
tightly.
Shrink tube
Do not contact
the shrink tube
and gasket.
Antenna unit, inside view
8. Twist antenna connector cables at the position between the shrink tube and the cable tie,
and then attach EMI core (supplied) to cables as follows.
After attachment, shift EMI core slightly to confirm that it does not pinch cables.
Cable tie Shrink tube
Attach EMI core.
Gasket
Radome base
Twist cables here.
Location of EMI core