B.1.3 configuration commands/responses, B.1.3.2 set modulator frequency, B.1.3.3 set rf output – Comtech EF Data SDM-650B User Manual
Page 181: B.1.3.4 set demodulator frequency

SDM-650B Satellite Modem
Remote Control Operation
Rev. 6
B–5
B.1.3 Configuration Commands/Responses
B.1.3.1 Remote
This command configures the modem for remote operation. The modem will respond to
any status request at any time. However, the modem must be in “Remote Mode” to
change configuration parameters.
Command:
Response: >add/REM_”cr””lf”] B.1.3.2 Set Modulator Frequency Command: Response: >add/MF_nnn.nnnn”cr” RF_OFF”cr””lf”] Status Only: >add/MF_nnn.nnnn”cr””lf”] Where: nnn.nnnn = 50.0000 to 90.0000, and 100.0000 to 180.0000 for the 140 MHz B.1.3.3 Set RF Output Command: Response: >add/RF_xxx”cr””lf”] Status Only: >add/RF_xxx”cr””lf”] Where: xxx = ON or OFF. B.1.3.4 Set Demodulator Frequency Command: Response: >add/DF_nnn.nnnn”cr””lf”] Status Only: >add/DF_nnn.nnnn”cr””lf”] Where: nnn.nnnn = 50.0000 to 90.0000, and 100.0000 to 180.0000 for the 140 MHz
modulator.
Note: When modulator frequency is changed, the RF output is switched OFF.
modulator.