Furuno Sc 50 - Manual (Page 14)

1. INSTALLATION
1-4
1.2 Installing the Antenna Unit
1.2.1 Antenna unit SC-303
Note: “Bird-repellent fixtures” (supplied) may be attached to the antenna cover to
prevent birds from alighting on the cover. If it is more convenient to attach
them before fixing the antenna unit to the mounting location, do step 9
before fixing the antenna unit.
NOTICE
Fasten the antenna to the mounting
location lastly if it is more convenient
to connect the antenna cable before
mounting the antenna unit.
1. Prepare a mounting platform (wood, steel or aluminum) in accordance with
the illustration shown below. If corrosive material is used, take necessary
anti-corrosion measures.
Note: When drilling holes in the platform, be sure they are parallel with the
fore-and-aft line.
2. Orient the unit so the two lines on the base is facing the bow and then fasten
the antenna unit to the platform with four sets of M10 hex. bolts, spring
washers and flat washers. (The installation error should be within ±2.5°.) The
torque for the hex. bolts should be between ±20 2Nm.
F
U
R
U
N
160
240
160
240
Fixing Hole
(
B
11 mm)
BOW
Hex. Bolt
Spring Washer
Flat Washer
NOTICE
Do not open the antenna.
This installation does not require removal
of the antenna cover.
5-10 mm
Mounting dimensions for antenna, orienting the antenna