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[:SENSe]:FREQuency:REFerence INTernal|EXTernal
Command Format
[:SENSe]:FREQuency:REFerence INTernal|EXTernal
[:SENSe]:FREQuency:REFerence?
Description
Set or inquire the reference source mode
Example:
:FREQ:REF INT //use internal reference source
Return value
:
INTernal
Note
Keywords:
INTernal: Internal source
EXTernal: External reference source
Default
INTernal
[:SENSe]:FREQuency:SPAN
Command Format
[:SENSe]:FREQuency:SPAN <freq>
[:SENSe]:FREQuency:SPAN?
Description
Set or inquire the span. Supported units are GHz, MHz, KHz, Hz, Default unit is Hz.
Example:
:FREQ:SPAN 1000000
or
:FREQ:SPAN 1MHz // set sweep span to 1MHz
Return value 1000000
Note
<freq> ranges 9kHz~3.600009GHz ( S3331A), 9kHz – 7.5GHz (S3331B)
When
Default
3.6GHz (S3331A) / 7.5GHz (S3331B)
[:SENSe]:FREQuency:SPAN:FULL
Command Format
[:SENSe]:FREQuency:SPAN:FULL
Description
Set sweep span as full span
Note
Default
[:SENSe]:FREQuency:SPAN:ZERO
Command Format
[:SENSe]:FREQuency:SPAN:ZERO
Description
Set sweep span as Zero span
Note
When zero span is activated, the X axis will be time axis
Default