Comtech EF Data SNM-1002 User Manual
Page 78

SNM-1002 LinkSync
Modem
Revision 2
Operation
MN/SNM1002.OM
3–38
Decoder type selection. Select VITERBI or SEQUENTIAL decoder type.
Notes:
1. Change in EFD, ASYNC, or Custom modem types only.
2. A Sequential Decoder Type and a 3/4 Code Rate combination is
not compatible with a CSC CLOSED Modulator Type.
Press[
←], [→], [↑], or [↓] to move the flashing cursor. Press [ENTER] to execute the
change.
3.4.5.2.4
DEMODULATOR:RX BPSK ORDERING
RX BPSK ORDERING
STANDARD
Receive BPSK bit ordering selection. Select STANDARD or NON-STANDARD
Press[
←], [→], [↑], or [↓] to move the flashing cursor. Press [ENTER] to execute the
change.
3.4.5.2.5 DEMODULATOR:DEMOD
SPECTRUM
DEMOD SPECTRUM
NORMAL
Programmable vector rotation allows the operator to select NORMAL or INVERT for
spectrum reversal of the I and Q baseband channels.
Press[
←], [→], [↑], or [↓] to move the flashing cursor. Press [ENTER] to execute the
change.
3.4.5.2.6
DEMODULATOR:RX SYMBOL RATE
RX SYMBOL RATE