SAFETY INSTRUCTIONS
iii
The radar antenna emits electromagnetic radio frequency (RF) energy that can be harmful, particularly to your
eyes. Never look directly into the antenna aperture from a close distance while the radar is in operation or
expose yourself to the transmitting antenna at a close distance. Distances at which RF radiation level of 100,
50 and 10 W/m
2
are given in the table below.
Note: If the antenna unit is installed at a close distance in front of the wheel house, your administration may
require halt of transmission within a certain sector of antenna revolution. This is possible. Ask your FURUNO
representative or dealer to provide this feature.
Radio Frequency Radiation Hazard
WARNING
FNE1201
MG5436
MG5223F
Model Transceiver
Magnetron
Antenna*
100 W/m
2
50 W/m
2
10 W/m
2
FAR-2218(-BB)
FAR-2318
FAR-2228(-BB)
FAR-2328
FAR-2328W
FAR-2018-MARK-2
FAR-2028-MARK-2
FAR-2238S(-BB)
FAR-2338S
FAR-2338SW
FAR-2228-NXT(-BB)
FAR-2328-NXT
FAR-2238S-NXT(-BB)
FAR-2338S-NXT
Magnetron
radar
Solid state
radar
RTR-105 (12 kW)
RTR-106 (25 kW)
RTR-131 (12 kW)
RTR-108 (25 kW)
RTR-132 (25 kW)
RTR-107 (30 kW)
RTR-109 (30 kW)
RTR-123
(600 W***)
RTR-111 (250 W)
XN12CF
XN20CF
XN24CF
XN12AF
XN20AF
XN24AF
XN12CF
XN20CF
XN24CF
XN20CF
XN24CF
XN12AF
XN20AF
XN24AF
SN24CF**
SN30CF**
SN36CF
SN36CF
XN12CF
XN20CF
XN24CF
SN24CF**
SN30CF**
SN36CF
0.6 m
0.4 m
0.3 m
0.25 m
0.17 m
N/A
1.3 m
1.0 m
0.7 m
0.5 m
0.3 m
0.82 m
0.51 m
0.3 m
1.7 m
1.4 m
N/A
N/A
0.3 m
0.24 m
0.19 m
N/A
N/A
N/A
1.4 m
0.9 m
0.6 m
0.73 m
0.42 m
0.28 m
2.7 m
1.7 m
1.3 m
1.2 m
0.9 m
1.8 m
0.93 m
0.7 m
2.4 m
2.1 m
0.5 m
0.26 m
0.7 m
0.32 m
0.29 m
N/A
N/A
N/A
4.4 m
3.0 m
2.5 m
4.2 m
2.6 m
1.73 m
9.5 m
6.8 m
5.5 m
5.5 m
4.0 m
8.84 m
5.76 m
4.01 m
3.8 m
3.4 m
4.6 m
2.3 m
3.3 m
1.9 m
1.6 m
N/A
N/A
N/A
*: The following numerical values, shown in the antenna types, indicate antenna length.
[12]: 4 ft, [20]: 6.5 ft, [24]: 8 ft, [30]: 10 ft, [36]: 12 ft
**: Unavailable on IMO-type radars ***: 500 W, for Japanese flag vessels.
WARNING
WARNING
Make sure no rain or water
splash leaks into the equipment.
Fire or electrical shock can
result if water leaks into the
equipment.
Keep the area around the
antenna free of ropes and other
items that may get tangled.
If the antenna becomes tangled,
damage to the equipment or
injury to personnel may occur.
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