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Function select: utility: modulator: mod spectrum – Comtech EF Data SDM-300L3 User Manual

Page 157

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SDM-300L3 Satellite Modem

Revision 1

Front Panel Operation

MN/SDM300L3.IOM

4–89

FUNCTION SELECT: UTILITY: MODULATOR:

TX

BPSK

ORDERING

TX BPSK ORDERING

STANDARD


TX BPSK bit ordering selection. Select STANDARD or NON-STANDARD.

FUNCTION SELECT: UTILITY: MODULATOR:

MOD

SPECTRUM

MOD SPECTRUM

NORMAL


Programmable vector rotation allows the operator to select NORMAL or INVERT for
spectrum reversal of the I and Q baseband channels.

FUNCTION

SELECT:

UTILITY:

MODULATOR: TX-RS N/K DEEP

(CONDITIONAL)

TX-RS N/K DEEP
225/205

8


IMPORTANT

Conditional: This menu is active when Reed-Solomon (RS) is installed
and RS is On (under Configuration: Modulator).


N/K is status only.

Deep is interleaver depth and is programmable to a depth of 4, 8, or 16.