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1. INSTALLATION
1.1 Installation Considerations
• To ensure proper emission of radar waves, do not paint the radome.
• Install the unit on a common mast, radar mast, etc.
• Make sure the mounting location does not allow water to accumulate on the mount-
ing platform.
• Do not cut the power/LAN cable.
Distribution switchboard
This antenna unit does not have a power switch. Connect to the onboard power supply
via a distribution switchboard so that the power to the antenna unit can be turned on/
off.
Mounting position
• The antenna unit is mounted on a radar arch, a common mast or radar mast, a ded-
icated mounting base, etc.
For installation on a sailboat, use the optional radome mount.
• Install the antenna unit in a place with a good view as much as possible and no ob-
struction around the unit. Select a place where there is no chimney or mast in the
bow direction. If there are obstacles, a blind spot for radio waves will occur and no
images will appear on the display in that area. In addition, the performance of the
antenna unit (beam width and side lobe level) may be reduced, and false images
may appear. A mast with a diameter smaller than the radiation width of the antenna
unit will produce a small blind spot, but if there is a horizontal plane at the same
height as the antenna unit, a large blind spot will result. Choose a position that is
well above the horizontal plane.
• Select a location near the radar (within 1 m in diameter) where there are no large
structures such as masts.
NOTICE
Do not use paint, anti-corrosion products, contact spray or other
items containing organic solvents on the equipment.
Organic solvents can harm paint and plastic, particularly the connectors.
(a) Common mast (b) Radar mast
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