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Chapter 1 215
GPIB Command Dictionary
MEASure subsystem
:AFRequency:FM <meas cmnd>
:AFRequency:FM?
These commands set/query the FM deviation measurement. This
measurement is active when FM Mod or FM Demod is selected by using
the AFAN:INP command (see page 59) and SNR is not selected by the
MEAS:AFR:SEL command (see page 216).
Syntax
MEAS:AFR:FM <meas cmd>
!See “Number Measurement Syntax” on page 283.
MEAS:AFR:FM? !returns real value
Example
MEAS:AFR:FM:AVERage:RESet !resets the number of averages
MEAS:AFR:FM? !returns the measured value
Screen/field equivalent
MEAS:AFR:FM? reads the FM Deviation measurement field on the AF
ANALYZER screen when the AF Anl In field is set to FM Mod, or FM
Demod. This measurement is also displayed on the RF GENERATOR
and RF ANALYZER screens.
:AFRequency:FREQuency <meas cmnd>
:AFRequency:FREQuency?
These commands set/query the audio frequency measurement. This
measurement is active when AF Freq is selected by using the
MEAS:AFR:SEL ‘AF Freq’ command (see page 216).
Syntax
MEAS:AFR:FREQ <meas cmd>
!See “Number Measurement Syntax” on page 283.
MEAS:AFR:FREQ? !returns real value
Example
MEAS:AFR:SEL ‘AF Freq’ !selects the measurement
MEAS:AFR:FREQ? !returns the measurement’s value
Screen/field equivalent
MEAS:AFR:FREQ? reads the AF Freq measurement field on the AF
ANALYZER screen. This measurement is also displayed on the RF
GENERATOR and RF ANALYZER screens.