4.4.2Protect
Use this function to protect files.
1.Turn the video camera on and ensure it is in Photo mode. Press the Playback button and then press the MENU button to display the Photo Playback menu.
2.Use the scroll wheel to select the Protect option. Then playback screen appears again. Use the scroll wheel to locate the file you want to protect and press inwards to confirm. A lock 
icon is displayed to show that the file is protected.
Note: To unlock a file, repeat the above steps. The lock icon 
disappears when the file is unlocked.
3.Press the MENU button again to exit the menu.
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