<When selecting SELECT>
To protect images
0 0 0 1 - 0 0 0 6 / 0 0 4 0
PROTECT ENTER CANCEL
SELECT 
OK
1Select the image to protect with the control button, then press z.
The - (green) appears on the selected image.
2After selecting all images to protect, select ENTER with the control button, then press z.
The color of the - changes from green to white.
To release protection
Select the image to unprotect in the step 1. And select ENTER with the control button, then press z.
operations Advanced