Anritsu MS2840A - Page 44

Chapter 2 SCPI Device Message Details
2-34
Details
This command is not available during the Spurious Emission
measurement.
When Internal Signal Generator Control On/Off is On, the center
frequency range depends on the frequency range of Signal Generator.
Example of Use
To set the center frequency to 123.456 kHz.
FREQ:CENT 123456