Canon EOS Rebel T3i 18-55mm IS II Lens Kit - Manual (Page 224)

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You can either select and erase images one by one or erase them in
one batch. Protected images (p.222) will not be erased.
Once an image is erased, it cannot be recovered. Make sure
you no longer need the image before erasing it. To prevent
important images from being erased accidentally, protect
them. Erasing a 1+73 image will erase both the 1 and
73
images.
1
Playback the image to be erased.
2
Press the <L> button.
X The erase dialog will appear at the
bottom of the screen.
3
Erase the images.
Select [Erase], then press < 0>. The
image displayed will be erased.
By checkmarking the images to be erased, you can erase multiple
images at one time.
1
Select [Erase images].
Under the [3] tab, select [Erase
images], then press <
0>.
L Erasing Images
Erasing a Single Image
3 Checkmarking <X> Images to be Erased in a Batch
COP
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