JVC 1208YDR-YG-MD Manual Book page 51

Folder Structure and Extensions
Recording medium
[DCIM]
[XXXJVCSO]
[SD_VIDEO]
[MGR_INFO]
[PRGXXX]
[PRGXXX]
[EXTMOV]
[MOV_XXX.MOD]
[PRIVATE]
* Information such as the date and time of recording, recorded with the video file.
[PRGXXX.PGI]
[MOVXXX.MOD]
[MOVXXX.MOI]
Contains the still image folders.
Contains the video file folders.
Management information* for the media as a
whole
Management information*
Video file
Management information* for the video files
Video file which management information is
corrupted.
Contains management information files of event
and/or DVD creation information for the files taken
with the camcorder.
X = number
1