RIGOL  Programming Overview                               
          
 Programming Guide for DG1000 
Command Abbreviation 
All the commands are case-insensitive, so you can use any kind of them. But if 
abbreviation is used, all the capital letters specified in commands must be written 
completely. For example, 
FUNCtion:SQUare:DCYCle? also can be: 
FUNC:SQU:DCYC? or func:squ:dcyc?