It is recommended that lugs be used to connect the power cable to the DC supply and that lugs should be both crimped and soldered. This is very important in order to insure adequate current draw to the equipment. Intermittent operation may result if an insufficient connection is made to the power source. The connection terminals should be clean, with no sign of corrosion.
The RED (+) wire is connected to the positive terminal of the power source or battery. The BLACK
2.4.2 External Speaker Connections
The YELLOW (+) wire and GREEN
Four watts of audio output is provided for an external 4 ohm speaker. A suitable speaker can be purchased from your local marine dealer.
Connect the YELLOW (+) wire and GREEN
2.4.3 Antenna Connections
The coaxial cable to your VHF antenna is intended to be connected to the antenna jack on the rear panel using a PL259 VHF type connector. The antenna cable may be cut to the required length at installation. If a longer cable length is required,
If the antenna connector is likely to be exposed to the marine environment, a protective coating of grease (similar to Dow Corning
2.4.4 Antenna Mounting Suggestions
The best radio in the world is useless without a good antenna location. Mounting the VHF antenna properly is very important because it will directly affect the performance of your VHF radio. A standard VHF antenna that is designed for use aboard boats should be used.
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