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Installation | RS40/RS40-B User Guide
Install the external GPS-500 Antenna (optional)
It is not recommended that the GPS antenna is mounted up a mast
where the motion of the vessel will cause the antenna to swing and
potentially reduce the accuracy of the GPS position.
Do not mount the GPS antenna within 1 m of a transmitting device.
Mount the GPS-500 to either a pole or hard surface then run the
cable to the transceiver. In all cases, ensure the selected location
enables the antenna to have a clear, unobstructed view of the sky.
To pole mount the external GPS-500 antenna, you will require a
1-inch 14 TPI thread pole:
• Screw the pole adapter onto the threaded portion of the pole.
• Feed the cable attached to the GPS antenna through the adapter
and pole.
• Mount the pole into position.
• Fit the GPS antenna to the pole adapter using the 2 small screws.
To surface mount the external GPS-500 antenna, select a flat clean
surface area that has a clear view of the sky. Mount the antenna
using the supplied gasket and the 2 small screws:
• Mark and drill the 2 mounting holes and a further hole if necessary
for the GPS cable.
• Install the gasket by firstly threading the attached cable through the
centre of the gasket.
• Screw the GPS antenna to the mounting surface.
¼ Note: Ensure the surface mounting area is clean with no dirt, old
paint or debris.
• Run the GPS cable to the transceiver:
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