Softkey under Start/Centre & Stop/Span Key

COM Command

Wide Span

SCPI.SENSe.TR(Ch).WIDE.TIME.SPAN

Wide Ref Position

Left

SCPI.SENSe.TR(Ch).WIDE.TIME.REFerence

Center

Right

Wide Time Offset

SCPI.SENSe.TR(Ch).WIDE.TIME.OFFSet

Narrow Span

SCPI.SENSe.TR(Ch).NARRow(Nr).TIME.SPAN

Narrow Ref Position

Left

SCPI.SENSe.TR(Ch).NARRow(Nr).TIME.REFerence

Center

Right

Narrow Time Offset

SCPI.SENSe.TR(Ch).NARRow(Nr).TIME.OFFSet

Narrow Settings -> Wide

None

Narrow Settings -> Narrow

None