About Folders - Canon MARK III EOS-1 DS Instruction Manual

Selecting the Media, Folder, and Recording Method

About Folders

As with "100EOS1D" for example, the folder name starts with three digits
(folder number) followed by five characters. A folder can contain up to 9999
images (file No. 0001 - 9999). When a folder becomes full, a new folder with a
higher one-up folder number is created automatically. Also, if manual reset
(p.80) is executed, a new folder will be created automatically. Folders
numbered from 100 to 999 can be created.
Creating Folders with a Personal Computer
With the memory card open on the screen, create a new folder named "DCIM".
Open the DCIM folder and create as many folders as necessary to save and
organize your images. The folder name must follow the "100ABC_D" format
where the first three digits is 100 - 999 followed by five alphanumeric
characters. The five characters can be a combination of upper- or lower-case
letters from A to Z, numerals, and an underscore "_". There can be no spaces
in the folder name. Also, folder names cannot have the same three-digit
number such as "100ABC_D" and "100W_XYZ" even if the letters are
different.
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