Furuno FR-2115-B Installation Manual page 22

12. If the antenna is mounted 2 or more left of ship's bow, adjust the position of S901 so it
becomes "on" (contact between #1 and #2 on pcb MP-3795). To access S901, open the
bow side cover; S901 is above the drive gear.
13. Confirm that all screws are tightened and all wiring is properly made. Coat waterproofing
gasket, bolts and tapping holes of antenna unit with silicone grease. Check that the
waterproofing gasket is seated as shown in Figure 2-5. Close the antenna unit cover.
RTB801
Bow mark
Figure 2-4 Antenna unit, front view
Coat gasket with silicone grease.
DO NOT use silicone sealant.
Figure 2-5 Correct seating of waterproofing gasket
S901
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15 16 17 18 19 20 21 22 23 24 25 26 27 28
CORRECT
WRONG
2-3