98-171832-A ix
Warning, radiation
Your Cobham SATCOM radio set generates electromagnetic RF (radio frequency)
energy when it is transmitting. To ensure that you and those around you are not
exposed to excessive amounts of that energy (beyond FCC allowable limits for
occupational use) and thus to avoid health hazards from excessive exposure to
RF energy, FCC OET bulletin 65 establishes an Maximum Permissible Exposure
(MPE) radius of 200 cm for the maximum power of your radio (25W selected)
with a half wave omni-directional antenna having a maximum gain
of 4 dB. This
means all persons must be at least 200 cm away from the antenna when the
radio is transmitting.
Installation considerations, radiation
1. An omni-directional antenna with a maximum power gain of 4 dB must be
mounted at least 400 cm above the highest deck where people may be
staying during radio transmissions. The distance is to be measured vertically
from the lowest point of the antenna. This provides the minimum separation
distance which is in compliance with RF exposure requirements and is based
on the MPE radius of 200 cm plus the 200 cm height of an adult.
2. On vessels that cannot obey requirements in item 1, the antenna must be
mounted so that its lowest point is at least 3 ft. (0.9 m) vertically above the
heads of people on deck and all persons must be outside the 200 cm MPE
radius during radio transmission.
• Always mount the antenna at least 200 cm from possible human access.
• Never touch the antenna when transmitting
•Use only authorized Cobham SATCOM accessories.
3. If the antenna has to be placed in public areas or near people with no
awareness of the radio transmission, the antenna must be placed at a
distance not less than 200 cm from possible human access.
Failure to observe any of these warnings may cause you or other people to
exceed FCC RF exposure limits or create other dangerous conditions.
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