Furuno FELCOM18 Installation Manual page 32

4. HOW TO INSTALL OPTIONAL EQUIPMENT
(Coaxial cable not connected)
1
Remove the cap from the
DGPS port, then atttach the
sponge for BNCR (16-023-
3541) around the port.
2
Re-attach the cap to the
DGPS port.
4-6
Sponge for BNCR Sponge for BNCR
Cap Cap