Emc Installation & Service Guidelines - JRC JFC-130 Instruction Manual

EMC Installation & Service Guidelines
IMPORTANT NOTE
All JRC equipment and accessories are designed to the highest industry standards for use in a leisure marine
environment. Their design and manufacture conforms to the appropriate Electromagnetic Compatibility (EMC)
standards, but good installation is required to ensure that performance is not compromised. Although every effort
has been taken to ensure that the equipment will perform under all conditions, it is important to understand what
factors could affect operation of the product. Complete installation instructions are provided in the installation
manual (option). Some preliminary suggestions are made below.
Installation
To avoid the risk of operating problems, all JRC equipment and cables connected to it should be:
· At least 1m (3feet) from any equipment transmitting or cables carrying radio signals e.g. VHF radios, cables
and antennas. In the case of SSB radio the distance should be increased 2 m (7ft).
· More than 2 m (7ft) from the path of a radar beam. A radar beam can normally assume to spread 20 degrees
above and below the radiating element.
· The equipment should be supplied from a different battery than the one used for engine start. Voltage drops
below 10.8V in the power supply to our products can cause the equipment to reset. This will not damage the
equipment, but will cause some loss of information and this can also change the operating mode.
· Genuine JRC cables should be used at al1 times. Cutting and rejoining these cables can compromise EMC
performance and should therefore be avoided unless doing so is suggested in the installation manual
(option).
Check Before Going to Sea
· Always check the installation before going to sea to make sure that it is not affected by radio transmissions,
engine starting, low battery voltage, or other problems.
· In some, installations, it may not be possible to prevent the equipment from being affected by external
influences. In general this will not damage the equipment but it can lead to it resetting, or momentarily may
result in faulty operation.
EMC Installation & Service Guidelines
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