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-2137S RTR-080 MG5223F SN30AF
FAR-2137S RTR-080 MG5223F SN36AF
FAR-2827W RTR-081 MG5436 XN20AF
FAR-2827W RTR-081 MG5436 XN24AF
FAR-2837S RTR-080 MG5223F SN30AF
FAR-2837S RTR-080 MG5223F SN36AF
FAR-2837SW RTR-082 MG5223F SN30AF
FAR-2837SW RTR-082 MG5223F SN36AF
Distance to
100 W/m
2
point
Distance to
10 W/m
2
point
Model
3
TR unit Magnetron Antenna
1
1
XN12AF: 4 ft XN20AF: 6.5 ft XN24AF: 8 ft
SN30AF: 10 ft SN36AF: 12 ft
2
Or MAF1425B
3
FAR-2117/2127/2137S available in blackbox configuration.