Kelvin Hughes Hosun 55 VHF


Old 05-11-06, 06:52 AM
David Tweedale
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Kelvin Hughes Hosun 55 VHF

Been lucky enough to have been given one of these old but reliable sets. All OK apart from power supply. Three pins on the rear, central and r/h pin are closer than central and l/h. Which is poz (assuming gnd to be negative)? and what are the other two pins for? Thought I'd ask first rather than wiring incorrectly and blowing it up!
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Old 05-25-06, 07:30 PM
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Generally in marine electronics, you have a positive, negative, and ground. I know that seems odd, but just hooking up the negative on the radio doesn't mean it's grounded to the hull, so that's why there is a third pin for a wire that is specifically grounded.

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