You can protect important images so that they cannot be accidentally erased with the camera (pp. 28, 138).
Protect the image.
After pressing the @ button, press the
Av buttons to choose 0"_, then press the
@button again.
[Protected] will appear on the screen.
To unlock an image, follow the step above
to choose _ again, then press the @ button.
Using the Menu
..... Choose [Protect].
Press the MENU button to choose [Protect] from the [] tab, then press the _Tc_button.
Choose a selection method.
Press the A'v" buttons to choose a
selection method, then press the @ button.
Press the MENU button to complete the setting and restore the menu screen.