8 DSM300 Installation Manual
• More than 7 ft (2 m) from the path of a radar beam. A radar beam can nor-
mally be assumed to spread 20 degrees above and below the radiating
element.
• The equipment is supplied from a separate battery from that used for engine
start. Voltage drops below 10 V and starter motor transients can cause the
equipment to reset.
This will not damage the equipment, but may cause the loss of some informa-
tion and may change the operating mode.
• Raymarine specified cables are used. Cutting and rejoining these cables can
compromise EMC performance and 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 reas-
sembled in the same position.
Suppression Ferrites
The following illustration shows typical cable suppression ferrites used with
Raymarine equipment. Always use the ferrites supplied by Raymarine.
Figure 1-1: Typical Suppression Ferrites
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 attached to the
cable that is closest to the Raymarine unit.
D3548-3
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