This subsystem contains commands that allow control of the reference frequency oscillator.
Reference Frequency Oscillator
:SENSe:ROSCillator[:SOURce]
Description
Sets the reference frequency oscillator source to either INTernal or EXTernal. The query version of this command returns the string “INT” if the current reference oscillator source is set to internal and returns the string “EXT” if it is currently set to external.