Sony Cyber-shot DSC-W320 Handbook page 55

Protect
Protects recorded images against accidental erasure.
The mark is displayed for registered images.
1 Press the
(Playback) button to switch to playback mode.
2 MENU t (Protect) t desired mode t z on the control button
(This Image)
(Multiple
Images)
z To cancel the protection
Select the image for which you want to cancel protection, and unlock it by pressing z on
the control button as the same procedure to protect it.
The indicator disappears, and the protection is released.
Protects the currently displayed image in single-image mode.
You can select and protect multiple images.
Do as the following after step 2.
1Select an image then press z.
Repeat the above steps until there are no more images to be
protected. Select an image with a
mark.
2MENU t [OK] t z
mark to release the
55 GB