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errors due to movement over and above the transitory
movement of the vessel.
The GPS antenna is capable of being flush mounted on
a suitable flat area of the cabin roof or deck area. In
this configuration, fit the supplied rubber gasket under
the antenna and use the four threaded studs, nuts and
washers to fix the antenna down.
The cable can be routed in the molding to drop down
directly underneath, or by breaking out the thin traps, the
cable can be routed out of the side of the antenna.
Alternatively, the antenna may be fixed on a standard 1"
threaded mounting pole (Not supplied). Attach the supplied
mounting base to the antenna with the four screws, thread
the cable down the center hole and through the pole.
Thread the pole into the mounting base, before attaching
the pole to the superstructure.
DO NOT connect your antenna using further extension
cables, or remove the connector, as this may degrade the
reception to a point where it may not function correctly.
To minimize interference, place the antenna in a position
away from steel constructions, wires, metal masts, sources
of electrical interference, such as radar etc. If installing
the GPS antenna close to other antennas, mount it either
above or below their radiation beams.
The antenna cable is terminated in a push fit connector
(SMB). Push the antenna plug firmly into the socket on the
back of the AI50.
The following drawing is a guide to the connections on the
rear of the unit. Figure 2.2.
Installation 15
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