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1
Positive (+) hailer wire (Purple)
2
Negative (-) hailer wire (Gray)
4.9 Connecting GNSS (GPS) and VHF antennas
Your radio requires a VHF antenna to function as a radio. If you intend to use the radio’s internal
GNSS (GPS) receiver then you will also require a GNSS (GPS) passive antenna to be connected. The
antenna connections can be protected so that they cannot come into contact with any grounded
bare metal. This is especially important when installing the radio on metal structure.
Pre-requisites:
• Ensure you have installed your antennas in accordance with the instructions supplied with the
antennas.
• Ensure the cables have been properly routed to the Base station and that sufficient cable length is
available to make the connections.
Note:
• Follow steps 2 and 3 to install the antennas with no protection.
• When mounting the Base station on metal structure, in order to prevent galvanic corrosion,
ensure ALL steps are followed so that the antennas are isolated from the vessel’s metalwork.
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