Reference Manual

156 More on Playback
In full-frame, zoom, thumbnail, and calendar playback, the
A (L) button can be used to protect photographs from
accidental deletion. Protected files cannot be deleted using the
O button or the Delete option in the playback menu. Note that
protected images will be deleted when the memory card is
formatted (0 203).
To protect a photograph:
1 Select an image.
Display the image in full-frame playback or playback zoom or
highlight it in the thumbnail list.
2 Press the A (L) button.
The photograph will be marked with a
P icon. To remove protection from
the photograph so that it can be
deleted, display the photograph or
highlight it in the thumbnail list and
then press the A (L) button.
Protecting Photographs from Deletion
A Removing Protection from All Images
To remove protection from all images in the folder or folders currently
selected in the Playback folder menu (0 189), press the A (L) and
O buttons together for about two seconds during playback.
A (L) button