Agilent Technologies Signal Analyzer N9030a - Manual (Page 258)

5 Legacy Command Descriptions
CF (Center Frequency)
Default unit is HZ.
CF UP
CF DN
Step size: see Description above.
CF OA
CF?
Query Data Type <freq> in Hz.
ASCII “0” if 0, otherwise scientific notation with precision to 1 Hz.
SCPI Equivalent Commands [:SENSe]:FREQuency:CENTer <freq>
[:SENSe]:FREQuency:CENTer?
(See "Center Freq" on page 573 )
Notes Although the instrument allows entry of frequencies not in the specified frequency range,
using frequencies outside the frequency span of the instrument is not recommended and
is not warranted to meet specifications.
258 Remote Language Compatibility Measurement Application Reference