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4 set modulator power offset, 5 set modulator output power level, 6 differential encoder enable – Comtech EF Data SDM-309B User Manual

Page 182: 2 demodulator configuration commands

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SDM-309B Satellite Modem

Remote Control

MN/U-SDM309B Rev. #

B-B–5

4.1.4 Set Modulator Power Offset

Command:

Response:

>add/MPO_snn.n”cr””lf”]

snn.n = +20.0 to -20.0 in 0.5dB increments.

Note: This will be the highet modulator power that will be displayed and programmed.
Use the MOP_ command to actually change the modulator output power.

Status Only:

Response:

>add/MPO_snn.n”cr””lf”]

4.1.5 Set Modulator Output Power Level

Command:

Response:

>add/MOP_snn.n”cr””lf”]

snn.n = +20.0 to -45.0 in 0.5dB increments for 140MHz modulator.
snn.n = +20.0 to -30.0 in 0.5dB increments for 70MHz modulator.

Note: Must be within 25.0dB of the modulator power offset value (see MPO_) for the
140MHz modulator and within 10.0dB of the modulator power offset for the 70MHz
modulator.

Status Only:

Response:

>add/MOP_snn.n”cr””lf”]

4.1.6 Differential Encoder Enable

Command:

(xxx = ON or OFF)

Response:

>add/DENC_xxx”cr”lf”]

Status Only:

Response:

>add/DENC_xxx”cr”lf”]

4.2 Demodulator Configuration Commands

4.2.1 Set Demodulator Frequency (to nnn.nnnn MHZ, nnn.nnnn = 50.0000-
90.0000)

Command:

Response:

>add/DF_nnn.nnnn”cr””lf”]

Note: nnn.nnnn = 50.0000 to 90.0000 and 100.0000 to 180.0000 for the 140MHz
demodulator.