Instructions

SCPI Command Set
37
[:SENSe]:FREQuency:REFerence
Description
Sets or queries the frequency reference to internal or external.
Syntax
Query Syntax
[:SENSe]:FREQuency:REFerence {INTernal|EXTernal}
[:SENSe]:FREQuency:REFerence?
Parameter/
Return parameter
INTernal
EXTernal
Internal reference
External reference
Example
:FREQ:REF INT
[:SENSe]:FREQuency:SPAN
Description
Sets or queries the frequency span. Setting the span to 0 Hz puts the analyzer
into zero span.
Syntax
Query Syntax
[:SENSe]:FREQuency:SPAN <freq>
[:SENSe]:FREQuency:SPAN?
Parameter
<freq>
<NRf>
Return parameter
<NR3>
Hz
Example
:FREQ:SPAN 1.0e+9
[:SENSe]:FREQuency:SPAN:FULL
Description
Sets the frequency span to full scale.
Syntax
[:SENSe]:FREQuency:SPAN:FULL
Example
:FREQ:SPAN:FULL
[:SENSe]:FREQuency:SPAN:PREVious
Description
Sets the frequency span to the previous span setting.
Syntax
[:SENSe]:FREQuency:SPAN:PREVious
Example
:FREQ:SPAN:PREV
[:SENSe]:FREQuency:SPAN:ZERO
Description
Sets the frequency span to zero span.
Syntax
[:SENSe]:FREQuency:SPAN:ZERO
Example
:FREQ:SPAN:ZERO