agent should be able to provide specific advice on antenna
choice for the vessel it is to be fitted to.
The antenna coaxial cable and any connectors used must be
rated at 50Ω. Under no circumstances should standard domes-
tic TV cable and connectors be used. Incorrectly rated cabling
and connectors could result in power not reaching the antenna,
but also power could be reflected back into the radio, damag-
ing it in the process.
The quality of any connections and integrity of the cable (i.e no
breaks in the sheathing) will directly affect the performance of
the radio. Poor soldering or corrosion of the terminals can
impair performance. It is recommended that screw or crimp
terminal type connectors are not used for any through deck fit-
tings - a good quality waterproof solder terminal connector will
be less susceptible to poor connection due to corrosion of the
contacts.
3.4 Electrical Interference Suppression
Interference generated by the alternator of the engine may
occasionally cause problems. The radio has been designed to
minimise the effects of outside interference. However, precau-
tions should still be taken - route the power supply and anten-
na cables away from the engine compartment. The cable run
should not be down the same trunking as other cables carrying
high current. The antenna cable should also be kept seperate
from the radio’s power cable.
Engines with spark ignition - and also some refrigerators -
should be fitted with suppressors. Your local agent should be
able to give advice on this, and also supply suppression kits
where necessary.
Instruction Manual
23
E04074
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