Operation
9797A-27 C-Band TXRX
2-2
proximity to a Magnet.
This completes the phases of initialization. At this time the antenna elevation should 45.0 degrees and
Relative azimuth should be at be at home flag (home switch engaged on the home flag cam).
If any of theses steps fail, or the Antenna Control Unit reports model number as "xx97" re-configure the PCU
as described in section the Setup section of this manual. If initialization still fails, refer to the troubleshooting
section of this manual.
2.3. Antenna
Stabilization
After initialization has completed, real-time stabilization of the antenna is an automatic function of the PCU.
2.4. Tracking
Operation
Tracking optimizes the pointing of the antenna, in very fine step increments, to maximize the level of the
satellite signal being received. This is done using a variation of Conical Scanning called DishScan. Tracking
is controlled by the ACU. You can toggle Tracking ON/OFF from the ACU.
You cannot control tracking from the pedestal itself. Refer to the ACU manual for more Tracking information.
2.5. Antenna Polarization Operation
Linear feeds are equipped with a polarization motor and potentiometer feedback and are controlled from the
Antenna Control Unit. Circular feeds do NOT require polarization adjustment.
Auto-Polarization mode is the default polarization mode of operation from the ACU. Polarization may be
operated manually from the ACU. Refer to the Antenna Control Unit manual for more operation information.
2.6. RF
Equipment
The RF Equipment is not operated or controlled by the antenna pedestal or Antenna Control Unit. Refer to
the vendor supplied manuals for the RF Equipment provided with your system.
2.7. Stabilized Pedestal Assembly Operation
Operation of the stabilized antenna Pedestal Control Unit (PCU) is accomplished remotely by the Antenna
Control Unit (ACU). Refer to the Operation section of the Antenna Control Unit manual for more specific
operation details. There are no other operating instructions applicable to the pedestal assembly by itself.
2.8. Radome Assembly Operation
When operating the system it is necessary that the radome access hatch (and/or side door) be closed and
secured in place at all times. This prevents rain, salt water and wind from entering the radome. Water and
excessive condensation promote rust & corrosion of the antenna pedestal. Wind gusts will disturb the
antenna pointing.
There are no other operating instructions applicable to the radome assembly by itself.
Содержание 9797A-27
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Страница 4: ...iv Revision History REV ECO Date Description By A N A November 4 2004 Initial Release MDN ...
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Страница 61: ...SYSTEM BLOCK DIAGRAM C BAND Tx Rx 123265 C1 ...
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