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General Information
EMC Installation Guidelines
Furuno equipment and accessories conform to
the appropriate Electromagnetic Compatibility
(EMC) regulations, to minimize electromagnetic
interference between equipment and minimize
the effect such interference could have on the
performance of your system. Correct installation
is required to ensure that EMC performance is not
compromised.
For optimum EMC performance we recommend that
wherever possible:
• Furuno equipment and cables connected to it
are:
- At least 1 m (3 ft) from any equipment
transmitting or cables carrying radio signals
e.g. VHF radios, cables and antennas. In the
case of SSB radios, the distance should be
increased to 7 ft (2 m).
- More than 2 m (7 ft) from the path of a
radar beam. A radar beam can normally be
assumed to spread 20 degrees above and
below the radiating element.
• The product is supplied from a separate
battery from that used for engine start. This is
important to prevent erratic behavior and data
loss which can occur if the engine start does
not have a separate battery.
• Furuno specified cables are used.
• Cables are not cut or extended, unless doing
so is detailed in the installation manual.
Note: Where constraints on the installation prevent
any of the above recommendations, always ensure
the maximum possible separation between different
items of electrical equipment, to provide the best
conditions for EMC performance throughout the
installation.
Water Ingress
Water ingress disclaimer:
Although the waterproof rating capacity of this
product meets the IPX6 & IPX7 standard, water
intrusion and subsequent equipment failure may
occur if the product is subjected to commercial
high-pressure washing. Furuno will not warrant
products subjected to high-pressure washing.
Suppression Ferrites
Furuno cables may be fitted with suppression
ferrites. These are important for correct EMC
performance. If a ferrite has to be removed for any
purpose (e.g. installation or maintenance), it must be
replaced in the original position before the product
is used.
Use only ferrites of the correct type, supplied by
Furuno authorized dealers.
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