Comtech EF Data SDM-300A, Installation And Operation Manual

Page: 105 / 398

Operation SDM-300A Satellite Modem
3–52 Rev. 4
ENCODER TYPE Encoder type selection. Select Viterbi or Sequential encoder type.
Note: Change in EFD, ASYNC, or Custom modem types only
Press[
←
], [
→
], [
↑
], or [
↓
] to move the flashing cursor. Press [ENTER] to execute the
change.
TX BPSK ORDERING Transmit BPSK bit ordering selection. Select STANDARD or NON-STANDARD
Press[
←
], [
→
], [
↑
], or [
↓
] to move the flashing cursor. Press [ENTER] to execute the
change
MOD SPECTRUM 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
TX-RS INTERLEAVE Selection of 4, 8, or 16 deep.
Press[
←
], [
→
], [
↑
], or [
↓
] to move the flashing cursor. Press [ENTER] to execute the
change
TX IESS-310 MODE Selection of 8PSK 2/3 with Reed-Solomon.
Press[
←
], [
→
], [
↑
], or [
↓
] to move the flashing cursor. Press [ENTER] to execute the
change
TX SYMBOL RATE Status only.
Selects TX Symbol Data rate within 4.8 to 2500 ksps.