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Raymarine EMC Guidelines
• Raymarine specified cables are used at all times. Cutting and rejoining these cables can
compromise EMC performance and so must be avoided unless doing so is detailed in
the installation manual.
• If a suppression ferrite is attached to a cable, this ferrite should not be removed. If the
ferrite needs to be removed during installation it must be reassembled in the same
position.
Suppression Ferrites
The following illustration shows typical cable suppression ferrites fitted to Raymarine
equipment. Always use the ferrites supplied by Raymarine.
D3548-2
Connections to Other Equipment
If your Raymarine equipment is to be connected to other equipment using a cable not
supplied by Raymarine, a suppression ferrite MUST always be fitted to the cable close to
the Raymarine unit.
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 etc.
Servicing
Raymarine equipment should be serviced only by authorised Raymarine service
technicians. They will ensure that service procedures and replacement parts used will not
affect performance. There are no user serviceable parts in any Raymarine product.
Always report any EMC related problem to your nearest Raymarine dealer. We use such
information to improve our quality standards.
In some installations it may not be possible to prevent equipment from being affected by
external influences. In general this will not damage the equipment but it can lead to
spurious resetting action, or momentarily may result in faulty operation.
Document number: 84018-5
Date: May 2001