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ROSS
MN/13070
5.18.2 Edit Optional Settings
Global Satellite configurations differ in manufactured structure requiring receiving antenna
subsystems to modify their RF characteristics on the fly. The following unique Optional Settings
allow each SA to have a unique configuration for the receiving LNB to dynamically adapt to
different frequency bands and transponder polarities.
These receiver options assist in creating specific ACU settings providing additional controls for
global roaming between satellite configurations. The LNB band select is a combination of
Voltage and Tone settings that correspond to switched Local Oscillator frequency band.
The polarization setting can also provide either cross-polarization (X-Pol) or concurrent
polarization (Co-Pol) if the ACU supports this option.
After determining the correct settings to generate the proper configuration per satellite service
area, make sure that the LO frequency value is updated in the RF Converter Profile previously
described.
Consult the LNB and/or ACU vendor specific documentation for the settings needed to select a
specific LNB band and polarization.
Comtech EF Data, Vipersat Products
Page 66 of 87
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