RIGOL DS6000 Series - Manual (Page 225)

12 Store and Recall RIGOL
DS6000 User’s Guide 12-15
To Clear the Local Memory
You can clear all the files stored in the local memory with one operation.
Press SAVE  Disk.Manage and select “Local Disk”, then turn to the next menu
page and press SecurityClear  OK to delete all the files stored in the local
memory. At the same time, the instrument will be resotred to the default setting.