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216 Chapter 1
GPIB Command Dictionary
MEASure subsystem
:AFRequency:SELect <meas cmnd>
:AFRequency:SELect?
These commands set/query which audio frequency measurement is
displayed on the AF ANALYZER screen.These measurements are also
displayed on the RF GENERATOR and RF ANALYZER screens.
Syntax
MEAS:AFR:SEL ‘SINAD’
‘Distn’
‘SNR’
‘AF Freq’
‘DC Level’
MEAS:AFR:SEL? !returns the selected measurement
Example
MEAS:AFR:SEL ‘AF Freq’ !selects the AF Frequency measurement
Screen/field equivalent
MEAS:AFR:SEL selects the audio frequency measurement that will be
displayed on the AF ANALYZER screen. These measurements are also
displayed on the RF GENERATOR and RF ANALYZER screens.
:AFRequency:SINAD <meas cmnd>
:AFRequency:SINAD?
These commands set/query the SINAD measurement. SINAD must
first be selected using the MEAS:AFR:SEL ‘SINAD’ command (see
:AFR:SEL on page 216).
Syntax
MEAS:AFR:SINAD <meas cmd> !controls the SINAD command
MEAS:AFR:SINAD? !returns the measured value
Example
MEAS:AFR:SINAD !selects the measurement
Screen/field equivalent
MEAS:AFR:SINAD? reads the SINAD measurement field on the AF
ANALYZER screen. This measurement is also displayed on the RF
GENERATOR and RF ANALYZER screens.