Olympus DS-30 Instructions Manual page 72

Notes on the Folders
File names will be automatically created for files recorded by this recorder.
DS50 0001.WMA
1
User ID : The name that has been set on the Digital Voice Recorder. The default name on the Digital Voice
Recorder is "DS-50" , "DS-40" or "DS-30" . The user ID can be modified with DSS Player.
22
Extension
File number : A serial number automatically assigned by a Digital Voice Recorder.