Raymarine RD418HD User Manual page 15

Always mount the HD Digital Radome Antenna so that the scanner
rotates parallel to the water line.
Planing hull boats and some displacement hull boats adopt a higher
bow angle when the boat is at cruising speed, so on these boats
it may be necessary to shim the rear of the HD Digital Radome
Antenna, to compensate for the bow rise and ensure optimum
target detection. The amount of shimming should be such that
when the bow rises at cruising speed, the radar beam rotation is in
the horizontal plane,
Cables
You need a digital cable, to connect both power and SeaTalk
the HD Digital Radome Antenna.
Installation
The following digital cables are available:
Cable length
5 m (16 ft 5 in)
10 m (32ft 9 in) ft)
15 m (46 ft)
25 m
The following extension cables are available:
Extension length
2.5 m (8 ft 2 in)
5 m (16 ft 5 in)
10 m (32ft 9 in) ft)
Important: Use only standard Raymarine cables. Do NOT make
your own cables for use with the HD Digital Radome Antenna.
Mast Mounting
If the HD Digital Radome Antenna is mounted on a hollow mast, the
hs to
cable may be run inside the mast for connection to the unit.
If you run the cable up a mast, take the appropriate measures to:
Part number
A55076D
A55077D
A55078D
A55079D
Part number
A92141D
A55080D
A55081D
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