Nikon L28 - Manual (Page 139)

E 35
Re
fere
nce
S
ecti
on
Protect
You can protect selected images from accidental deletion.
Select images to protect or cancel protection for previously protected images from the image
selection screen.
➝ “The Image Selection Screen” (E36)
Note that formatting the camera’s internal memory or the memory card permanently deletes
protected files (
E56).
Protected images are indicated by s during playback ( A 8).
Press the c button (playback mode) M d button M Protect M k button