Nikon COOLPIX S30 Reference Manual page 155

Others
Option
Paper size (E17, E18)
• Selecting Reset all also clears the current file number (E51) from memory. Numbering
will continue from the lowest number available for the internal memory or the memory
card. To reset file numbering to "0001", delete all images saved in the internal memory or
on the memory card (A 26) before selecting Reset all.
• The following menu settings will remain unaffected when menus are reset with Reset all.
Setup menu:
Welcome screen (E41), Date and time (E42), Language (E46), Video mode
(E47), and Battery type (E50)
Default value
Default
E49