Delete single: deletes a picture. Press OK to display the options for deletion. Select √or ×
based on the screen prompts. Select√ to delete a file.
Delete all: deletes all the unprotected pictures.
2) Protecting a File
On the video, photo, or video & photo interface, you can protect corresponding files.
To protect a file, perform the following operations: Select a file to be protected. Press the M key to display the
operation interface. The following options are displayed on the operation interface.
Protect single: protects a file.
Press OK to display the options for protection. After you select the option to protect single file and
press OK, the system automatically returns to the playback interface.
Protect all: protects all the files.
Press OK to display the options for protection. After you select the option to protect all files, the
system automatically returns to the playback interface.
Unlock single: unlocks a protected file.
Press OK to display the options for protection. After you select the option to unlock single file and
press OK, the system automatically returns to the playback interface.
Unlock all: unlocks all the protected files.
Press OK to display the options for protection. After you select the option to unlock all files and press
OK, the system automatically returns to the playback interface.
Note: For a protected file, the icon in gray is displayed in the bottom-left corner of the preview interface.
After being unlocked, a file is unprotected, and the icon in blue is displayed in the bottom-left corner of
the preview interface. A protected file cannot be deleted, but can be deleted by a formatting operation.
3) Automatically Playing a File
In the photo file interface, the SD21 video camera can automatically play photos in sequence after every five
seconds.
To automatically play a file, perform the following operations: Enable the playback function, and press OK.
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