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SAFETY INSTRUCTIONS
WARNING
Radio Frequency Radiation Hazard
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 levels of 100 and 10 W/m
2
exist 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.
FAR-2827/2127 RTR-079 MG5436 XN12AF 0.80 m 11.20 m
FAR-2827/2127 RTR-079 MG5436 XN20AF 0.40 m 8.60 m
FAR-2827/2127 RTR-079 MG5436 XN24AF 0.20 m 5.80 m
FAR-2817/2117 RTR-078 MG4010
2
XN12AF 0.30 m 4.20 m
FAR-2817/2117 RTR-078 MG4010
2
XN20AF 0.10 m 3.00 m
FAR-2817/2117 RTR-078 MG4010
2
XN24AF -- 2.40 m
FAR-2157 RTR-083 9M31(F) XN4A 1.20 m 13.60 m
XN5A 1.10 m 12.30 m
FAR-2137S RTR-080 MG5223F SN30AF 1.20 m 9.50 m
FAR-2137S RTR-080 MG5223F SN36AF 0.70 m 8.30 m
FAR-2167DS RTR-084 MG5240F SN30AF 0.60 m 8.90 m
SN36AF 0.40 m 7.40 m
FAR-2827W RTR-081 MG5436 XN20AF 2.20 m 13.0 m
FAR-2827W RTR-081 MG5436 XN24AF 1.50 m 11.50 m
FAR-2837S RTR-080 MG5223F SN30AF 1.20 m 9.50 m
FAR-2837S RTR-080 MG5223F SN36AF 0.70 m 8.30 m
FAR-2837SW RTR-082 MG5223F SN36AF 1.00 m 8.50 m
Distance to
100 W/m
2
point
Distance to
10 W/m
2
point
Model
3
TR unit Magnetron Antenna
1
1
XN4A: 8ft XN5A: 10ft XN12AF: 4 ft XN20AF: 6.5 ft XN24AF: 8 ft
SN30AF: 10 ft SN36AF: 12 ft
2
Or MAF1425B
3
FAR-2117/2127/2157/2137S/2167DS available in blackbox configuration.