Rigol DS6000 Series User Manual page 226

RIGOL
10 Waveform Recording
Users can store the current test mask into the internal Flash memory or external USB
storage device or load the test mask file (*.pf) stored in the internal Flash memory or
external USB storage device into the internal memory.
Press Save to enter the file storage interface. Store the test mask file to internal or
external memory by referring to the introduction in "Store and Recall".
Press Load to enter the file load interface. Load the test mask into the internal
memory of the instrument by referring to the introduction in "Store and Recall".
10-12 DS6000 User's Guide