Canon eos rebel T2i - Manual (Page 172)

L Erasing Images
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2
Select [Select and erase images].
Select [Select and erase images],
then press <0>.
X The images will be displayed.
To display the three-image display,
press the <I> button. To return to
the single-image display, press the
<u> button.
3
Select the images to be erased.
Select the images to be erased and
press the <V> key.
X The <X> icon will be displayed on
the upper left.
To erase other images, repeat step 3.
4
Erase the images.
Press the <L> button.
Select [OK], then press <0>.
X The selected images will be erased.
You can also erase all the images in the card. When the [3 Erase
images] menu is set to [All images on card], all the images in the card
will be erased.
3 Erasing All Images in the Card
To also erase protected images, format the card (p.42).
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