Chapter 4: Emc & Servicing Guidelines; Important Information; Installation - Raymarine Autohelm ST80 Operation Manual

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ST80 Navigator Keypad Operation Manual

Chapter 4: EMC & Servicing Guidelines

• At least 1m (3 feet) from any equipment transmitting or cables

• More than 2m (6ft) from the path of a radar beam. A radar beam can

• The equipment should be supplied from a different battery than the

• Genuine Autohelm cables should be used at all times. Cutting and

• If a suppression ferrite is attached to a cable, this ferrite should not be

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All Autohelm equipment and accessories are designed to the best

industry standards for use in the 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

they will perform under all conditions, it is important to understand

what factors could affect the operation of the product.

To avoid the risk of operating problems, all Autohelm equipment and

cables connected to it should be:

carrying radio signals, e.g., VHF radios, cables and antennas. In the

case of SSB radios, the distance should be increased to 2m (7ft).

normally be assumed to spread 20 degrees above and below the

radiating element.

one used for engine start. Voltage drops below 10V in the power

supply to our products can cause the equipment to reset. This will not

damage the equipment, but will cause the loss of some information

and can change the operating mode.

rejoining these cables can compromise EMC performance and so

should be avoided unless doing so is detailed in the installation

manual.

removed. If the ferrite has to be removed during installation it must

be reassembled in the same position.

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