Nikon COOLPIX S31 Reference Manual - Page 171

File and Folder Names Images, movies, and messages are assigned file names as follows. DSCN0001.JPG Identifier (not shown on camera monitor) Extension (indicates file format) Original still images and movies DSCN Message DSCA Message (reply) DSCB Small copies SSCN Cropped copies RSCN Images created by an image editing function other than crop and small picture, and photo albums FSCN Still images Movies Messages .JPG .AVI .WAV File number (assigned automatically in ascending order, starting with "0001") • Files are saved in folders named with a folder number followed by "NIKON" (e.g. "100NIKON"). When the number of files within a folder reaches 999, a new folder is created (e.g., "101NIKON" is created after "100NIKON"). When the file numbers within a folder reach 9999, a new folder is created. File numbers are assigned automatically starting with 0001. When shooting, a new folder is created each time the camera's internal clock changes dates. Note however that if the date changes while shooting continuously with Shoot at intervals or Take a series of pictures, a new folder is not created until shooting stops. • Voice message file numbers are the same numbers as the images to which the messages are attached. Reference Section E61