TRACKING TUTORIAL
D-7
26. If the Tracking mode is set to OPT, the steptrack parameters will be set to the
default values, with the exception of -3 dB beamwidth, Step size [deg], and
Position deadband [deg], which will retain the values set in the above steps.
Select OPT parameters....
NOTE: If Tracking mode is other than OPT, refer to Section 5.0 of
this manual for parameters that will be available for editing with
other tracking modes.
27. Select Spacecraft parameters... and set the following parameters:
Box center longitude [deg.East]
Longitude range [deg]
Estimated inclination [deg]
28. Press the [SHIFT] and [PG DN] keys to move to screen 2 of the Spacecraft
parameters... menu, and select Tracking signal parameters.... The parameters
displayed will depend upon the setting of the Tracking receiver input parameter
under Tracking receiver setup... in the Edit system configuration... menu.
Select and edit the parameters.
NOTE: Box limit and Orbit scan require the setting of the parameters listed
in steps 32 and 33 -- if these are not set, DO NOT enable Box limit or Orbit
scan as the system will attempt to track a target at zero longitude.
29. Enable Box limit and Orbit scan.
30. Press [PRIOR] and answer yes to the prompt to save the changes. Press
[PRIOR] twice to return to the Main menu.
The 7200 ACU must be properly calibrated to the slope of the tracking signal in
order to provide optimum performance of the Steptrack feature.
31. Peak the antenna on the satellite to be tracked (use Orbit scan if necessary to
locate an inclined satellite).
32. When the beacon or signal has been acquired, from the Main menu, select Edit
system configuration..., Tracking receiver setup....
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