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Comtech EF Data SDM-2020 User Manual

Page 76

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SDM-2020 Satellite Demodulator

Revision 4

Front Panel Operation

MN/SDM2020D.IOM

6–12

Function Select: Configuration: Demodulator: Energy Dispersal

ENGERY DISPERSAL

(DESCRAMBLER) ON


Programs the descrambler ON or OFF.

On entry, the current status of the DVB energy dispersal is displayed. Press [

↑] or [↓] to

select ON or OFF. Press to execute the change.

Function Select: Configuration: Demodulator: RS Decoder

RS DECODER

CORR ON



Programs the Reed-Solomon correction OFF or ON.

On entry, the current status of the Reed-Solomon decoder is displayed.
Press [

↑] or [↓], to select CORR OFF or CORR ON. Press to execute the

change.

CORR OFF MODE

This mode turns off the Reed-Solomon decoder data error
correction circuitry. Data flow is then routed through normal
data paths, without error corrections.

CORR ON MODE

This mode enables the Reed-Solomon decoder to provide data
error corrections.



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