Sanyo  Instruction Manual page 52

To protect/unprotect multiple files:
1. Select Multi in the Protect submenu, the images are
displayed in thumbnail view on the LCD monitor.
2. Use the navigation control to move through the files.
3. When the desired file is highlighted, press the OK button to
mark/unmark the file clip for protection.
4. Repeat step 3 until all desired files to protect are marked.
5. Press the MENU button. A confirmation selection appears.
6. Select Yes.
7. Press the OK button to lock files and go back to Playback
mode.
To protect all files:
1. Select Lock all in the Protect submenu. A confirmation
message appears.
2. Select Yes.
3. Press the OK button to lock all files.
To unlock all files:
1. Select Unlock all in the Protect submenu. A confirmation
message appears.
2. Select Yes.
3. Press the OK button to unlock all protected files.
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