JRC JMA-5206 Instruction Manual page 10

Make sure to turn off the antenna operation switch.
Failure to comply may result in injuries caused by
physical contact with the rotating antenna.
Never directly touch the internal components of the
antenna, receiver/transceiver, or indicator. Direct
contact with these high-voltage components may cause
electrocution. For maintenance, inspection, or
adjustment of equipment components, consult with our
branch office, branch shop, sales office, or our distributor
in your district.
To contact our sales department, branch offices, branch
shops, and sales offices:
Please refer to the "Office List" at the end of the
document.
Do not get close to the radiant section of the antenna. It
is a rotating part, and it may cause injuries if it suddenly
starts rotating and consequently hits the body. It is
recommended that the radiant section be installed at a
high place such as on the roof of the wheelhouse, on the
flying bridge, on the trestle, or on the radar mast so that
no one can get close to it. When any work must be done
on the antenna, make sure to turn the antenna switch off.
DANGER
WARNING
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