Sea Tel 6009-33, Installation And Operation Manual

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6009-33 Broadband At Sea Maintenance and Troubleshooting
7-14
cable binding, or wind loading. If these forces cause the antenna to mis-point by more than 0.5° from the
desired position the PCU will flag a “Stab Limit” error.
•
To view the position error, select the graph chart.
•
This chart displays sensed axis errors via three traces, CL (Cross Level), LV (Elevation), and AZ
(Azimuth), at a fixed 0.05
º
/ vertical division.
•
The normal trace average will plots it’s display
±
3 divisions from the red reference line. Any trace
line average plotted above this is of concern and troubleshooting required. The example below
shows the forces exerted onto the antenna as a resultant of DishScan Drive. The example below
shows the results of various forces put upon antenna.
•
Cross-Level Axis physically moved CCW (down to the left.) and then CW (up to the right.)
PRELIMINARY