Radio Frequency Radiation Hazard
*: XN12CF: 4 ft, XN20CF: 6.5 ft, XN24CF/XN24AF: 8 ft, SN24CF: 8 ft, XN30AF/SN30CF: 10 ft, SN36CF: 12 ft
**: Unavailable on IMO-type radars
FAR-2218(-BB)
FAR-2318
RTR-105 (12 kW)
RTR-111 (250 W)
RTR-106 (25 kW)
RTR-108 (25 kW)
RTR-107 (30 kW)
RTR-109 (30 kW)
XN12CF
XN20CF
XN24CF
FAR-2228(-BB)
FAR-2328
FAR-2338S
The radar antenna emits electromagnetic radio frequency (RF) energy which 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.
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. See the installation manual for how to manage
blind sectors.
XN12CF
XN20CF
XN24CF
0.6 m
0.4 m
0.3 m
1.3 m
1.0 m
0.7 m
1.4 m
0.9 m
0.6 m
2.7 m
1.7 m
1.3 m
4.4 m
3.0 m
2.5 m
9.5 m
6.8 m
5.5 m
FAR-2328W
FAR-2238S(-BB)
FAR-2338S-NXT
FAR-2238S-NXT(-BB)
FAR-2338SW
XN20CF
XN24CF
SN24CF**
SN30CF**
SN36CF
SN24CF**
SN30CF**
SN36CF
SN36CF
0.5 m
0.3 m
N/A 0.26 m 2.3 m
1.2 m
0.9 m
5.5 m
4.0 m
WARNING
Model Transceiver Magnetron
FNE1201
MG5436
MG5223F
Antenna* 100 W/m
2
50 W/m
2
10 W/m
2
Magnetron
radar
Solid state
radar
1.7 m
1.4 m
N/A
N/A
N/A
N/A
N/A
N/A
N/A
2.4 m
2.1 m
0.5 m
3.8 m
3.4 m
4.6 m
N/A
N/A
1.0 m
FAR-2258(-BB)
FAR-2258/2358
RTR-122
XN24AF**
XN30AF**
2.3 m
2.3 m
4.5 m
4.3 m
13.9 m
13.9 m
9M31
RTR-123 (600 W)
FAR-2328-NXT
FAR-2228-NXT(-BB)
3.3 m
1.9 m
1.6 m
0.7 m
0.32 m
0.29 m
0.3 m
0.24 m
0.19 m
XN12CF
XN20CF
XN24CF
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