8 i3/i4 Satellite Antenna System – Install and User Manual
Planning the installation
Selection of Installation Site
Install the antenna in accordance with the following procedure to secure the
maximum functionality of the antenna.
The ideal antenna site has a clear view of the horizon/satellite all around.
Please be sure to see if there are
any obstacles 15 degrees above
elevation blocking the antenna.
Any obstacles located above 15
degree elevation can prevent the
antenna from tracking satellite
signal (Refer to the drawing).
Keep the antenna out of line with nearby radars, as their energy levels may
overload the antenna front-end circuits. If necessary, position the Antenna
Unit so it is at least four feet (1.2 meters) above or below the level of the
radar.
Make sure that the mounting surface is rigid so that it cannot flex when the
vessel vibrates. If necessary, add a strength member to the mounting site to
stiffen it.
The movement of the antenna can be minimized by installing it at the center
of the ship. For optimal performance of the antenna it is not recommended to
install at any corners of the ship, where the movement of the ship is the
greatest.
Install the bottom of the antenna parallel to the surface of the sea and fix
tightly to the structure of the ship.
When the antenna is to be laid down, be careful not to have the power
connector and/or RF connector damaged by striking directly against the
bottom, which causes connection to be impossible.
Antenna Unit
15°
Obstacle
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