A lock icon will appear on the LCD screen if you have selected to protect the file. (Note: Formatting a memory card will delete protected data too).
Delete:
Delete unwanted photos and videos at any time to free up memory. You can delete one image or video clip at a time or delete all the unprotected photos and videos that are currently recorded on the memory card at once.
1. Press the menu button.
2.Press the and navigation buttons until you have selected the Delete menu.
3.Using the and navigation buttons, select a function and press the OK/Enter button to confirm your selection.
OK: Delete the image currently selected. The image displayed in the LCD monitor will be erased. You can use the repeat this procedure for each image you wish to erase
ALL: Delete all unprotected still Images.
CANCEL: Choose cancel to exit the menu without making changes.
4.Press the OK/Enter button to confirm your selection.
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