Softkey under Start/Center & Stop/Span Key

COM Command

SCPI Command

Start

SCPI.SENSe.PS(Ch).FREQuency.STARt

:SENSe:PS[Ch]:FREQuency:STARt

Stop

SCPI.SENSe.PS(Ch).FREQuency.STOP

:SENSe:PS[Ch]:FREQuency:STOP

Center

SCPI.SENSe.PS(Ch).FREQuency.CENTer

:SENSe:PS[Ch]:FREQuency:CENTer

Span

SCPI.SENSe.PS(Ch).FREQuency.SPAN

:SENSe:PS[Ch]:FREQuency:SPAN