Rigol MSO2000A Series

RIGOL 2 Command System
2-242 MSO2000A/DS2000A Programming Guide
: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 Range Default
<exp> Discrete {CENTer|GROund} GROund
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.