Modulator Configuration Commands; Set Modulator Frequency; Set Rf Output; Set Modulator Power Offset - Comtech EF Data SDM-650B Installation And Operation Manual

Remote Control Operation
B.2.3 Modulator Configuration Commands
B.2.3.1 Set Modulator Frequency
Command:
Response:
Status Only: <add/MF_"cr"
Response:
Note: When modulator frequency is changed, the RF output is switched OFF.
B.2.3.2 Set RF Output
Command:
Response:
Status Only: <add/RF_"cr"
Response:
B.2.3.3 Set Modulator Power Offset
Command:
Response:
Status Only: <add/MPO_"cr"
Response:
Notes:
1. This will be the highest modulator power that will be displayed and programmed.
2. Use the MOP_ command to change the modulator output power.
B–36
<add/MF_nnn.nnnn"cr"
>add/MF_nnn.nnnn"cr"
RF_OFF"cr""lf"]
>add/MF_nnn.nnnn"cr""lf"]
Where: nnn.nnnn = 50.0000 to 90.0000, and 100.0000 to 180.0000 for the
140 MHz modulator.
<add/RF_xxx"cr"
>add/RF_xxx"cr""lf"]
>add/RF_xxx"cr""lf"]
Where: xxx = ON or OFF.
<add/MPO_snn.n"cr"
>add/MPO_snn.n"cr""lf"]
>add/MPO_snn.n"cr""lf"]
Where: snn.n = +20.0 to -20.0, in 0.5 dB increments.
SDM-650B Satellite Modem
Rev. 6