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Raymarine Satellite TV Antenna Systems
Adjusting the LNB Skew Angle
(Linear polarization only)
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LNB Skew Angle
The LNB skew angle only needs to be adjusted when the
target satellite uses linear polarization. In order to receive the
maximized satellite signal level, the LNB skew angle must be
adjusted according to the calculation of current GPS location
and target satellite.
It only needs to be adjusted when changing from one
Figure 22 : LNB Skew Angle Adjustment
satellite to another, or when the boat has traveled a
significant geographic distance. It should NOT need to
be readjusted if the boat stays in the same location and is
operating on the same satellite.
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LNB Skew Angle Adjustment
Polarization of your STV antenna must be accomplished
manually by the following steps.
1. Remove the upper part of the radome after switching the
power OFF.
2. Loosen the 4 bolts that connect the LNB and feed horn.
3. Turn the LNB and place it at the angle indicated on the
back of the feed horn.
4. Tighten the 4 bolts.
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