Chapter 2 Command System  RIGOL 
DP800 Programming Guide  2-23 
:MMEMory:DISK? 
Syntax  :MMEMory:DISK? 
Description  Query the drive letter available of the power supply. 
Explanation  This command only queries the drive letter of the external memory of the power 
supply. 
Return Format  The query returns the drive letter available, for example, D:\. 
Example  :MMEM:DISK? /*Query the drive letter available and the query returns D:\*/ 
 
 
:MMEMory:LOAD 
Syntax  :MMEMory:LOAD <file_name> 
Description  Read the specified file under the current operation directory. 
Parameter 
Name  Type  Range  Default 
<file_name>  ASCII character string 
Filename of the file to be 
read 
None 
 
Explanation    With this command, you can read the state file (RSF), timer file (RTF) and 
delay file (RDF). 
  This command is only available when the current operation directory contains 
the specified file. 
  If the file to be read is not under the current operation directory, please use 
the 
:MMEMory:CDIRectory command to modify the current operation directory. 
Example  :MMEM:LOAD STT.RSF    /*Read the STT.RSF file under the current operation 
directory*/ 
Related 
Command 
:MMEMory:CDIRectory 
 
 
:MMEMory:MDIRectory 
Syntax  :MMEMory:MDIRectory <dir_name> 
Description  Create a new folder under the current operation directory.  
Parameter 
Name  Type  Range  Default 
<dir_name>  ASCII character string 
Filename of the folder to be 
created, up to 9 characters, 
including Chinese 
characters, English 
characters or numbers  
None 
Example  :MMEM:MDIR NEW  /*Create a folder with the name NEW under the current 
operation directory*/