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CONNECTIONS OVERVIEW
In the following steps, you will be making at least one of the following connections:
• Power Supply: Your radio is powered by your boat’s 12 VDC power system.
The solid red cable is positive and the black cable with the red stripe is
negative.
• External Speaker (optional-purchase): If needed, you can connect your radio
to an external speaker with the supplied connection cable. The white cable is
positive and the thinner black cable is negative.
• GPS Receiver (optional-purchase): When your VHF255S marine radio is
connected by the GPS cable to a GPS Receiver, it can obtain both its current
location (longitude and latitude) and the time (GMT).
External Speaker
Black
Red
Waterproof
Deck Outlet
Antenna
GPS Receiver
Fuse
20