RIGOL DM3058 - Manual (Page 80)

RIGOL
Programming Guide for DM3058/DM3058E 3-55
:SYSTem:DISPlay:CONTrast <value> - Sets the desired screen contrast within 0
and 32.
Return Format:
The query returns the current screen contrast.
8. :SYSTem:DISPlay:INVErt
Command Format:
:SYSTem:DISPlay:INVErt
Function:
The command enables the screen to be displayed inversely.