RIGOL DS1000D - Manual (Page 11)

Programming Introduction RIGOL
Programming Guide for DS1000E, DS1000D Series
1-5
Command Input
All the commands of both DS1000E, DS1000D series are case-insensitive. You can
use capital letter to input the whole command or you can input the abbreviation.
Note that if use abbreviation, the capital letters specified in commands must be
written completely. For example:
:TRIGger:EDGE:SLOPe
can be entered as:
:TRIG:EDGE:SLOP