System:error[:Next]; System:expand - Rigol MSO2000A Series Programming Manual

RIGOL

:SYSTem:ERRor[:NEXT]?

Syntax
:SYSTem:ERRor[:NEXT]?
Description
Query and delete the last system error message.
Return Format
The query returns the error message in "<Message Number>,<Message Content>" format. Wherein,
<Message Number> is an integer and <Message Content> is a double-quotated ASCII string. For
example, -410,"Query INTERRUPTED".

:SYSTem:EXPand

Syntax
:SYSTem:EXPand <exp>
:SYSTem:EXPand?
Description
Set or query the reference around which the waveform is expanded or compressed.
Parameter
Name Type
<exp> Discrete
Explanation
CENTer: when changing the vertical scale, the oscilloscope expands or compresses the waveform

vertically around the center of the screen.
GROund: when changing the vertical scale, the oscilloscope expands and compresses the waveform

vertically around the ground level.
Return Format
The query returns CENT or GRO.
2-242
Range
{CENTer|GROund}
Default
GROund
MSO2000A/DS2000A Programming Guide
2 Command System