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Comtech EF Data SDM-2020 User Manual

Page 75

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SDM-2020 Satellite Demodulator

Revision 4

Front Panel Operation

MN/SDM2020D.IOM

6–11

Function Select: Configuration: Demodulator: RX-SR

(Conditional)

RX-IF FREQUENCY

1200.0000 MHZ

For L-Band only:

Programs the demodulator receive frequency between

950 to 1750 MHz, in 2.5 kHz steps.

RX-IF FREQUENCY

70.0000 MHZ


For 70/140 MHz only: Programs the demodulator receive frequency between

50 to 90 MHz and 100 to 180 MHz, in 2.5 kHz steps.


On entry, the current receive frequency is displayed with the flashing cursor on the first
character. Press [

←] or [→] to move the flashing cursor. Press [↑] or [↓] to increment or

decrement the digit at the flashing cursor. Press to execute the change.

Function Select: Configuration: Demodulator: LNB Power

(Conditional)

LNB POWER

OFF


IMPORTANT

4-Channel RF card installed.

4-Channel RF card defaults to “OFF.”



Programs the LNB Power ON or OFF. (L-Band only.)

On entry, the current status of the LNB Power is displayed. Press [

↑] or [↓] to select ON

or OFF. Press to execute the change.