Furuno NAVNET 1933C-BB - Manual (Page 19)

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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 the gasket.
Note 2: Pinch the gasket tightly and insert it into the cable entrance. Confirm that the slit
in the gasket is completely closed after inserting it into the cable entrance.
Rubber gasket
Gasket
Cable Gland
Sectional view
Mounting base
Rubber gasket
Antenna cable
Gasket
Pinch the gasket
tightly.
Shrink tube
Do not allow
the shrink tube to
contact the
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
Mounting base
Twist cables here.
Location of EMI core