Furuno FR1500 Mk3 - Manual (Page 18)

2-2
Figure 2-2 Scanner unit, front view, cover removed
5. Pass the signal cable through the cable entry hole in the scanner unit mounting
platform. Trim the cable so about 80 cm of it protrudes past the cable gland.
6. Slide the clamping ring, washer, rubber gasket and washer onto the cable in
that order.
7. Fabricate the signal cable as shown on page 2-4.
8. Referring to Figure 2-3, pass the outer and inner shields between the signal
cable and the clamping ring. Fasten the cable gland.
Figure 2-3 Passing cable shields between cable and clamping ring
9. Connect the signal cable to the terminal board RTB801 in the scanner unit by
referring to the interconnection diagram. Leave “slack” in the coaxial wire to
prevent breakage.
10.Bind cores of cables with cable ties.
11.Mount the transceiver module. Connect plugs P611, P801 and P821. Twist the
shields of the signal cable together and fasten them to the ground terminal on
the transceiver module.
12.If the scanner 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.