Canon 550D - Manual (Page 172)

L Erasing Images
172
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 button. To return to
the single-image display, press the
button.
3
Select the images to be erased.
Select the images to be erased and
press the key.
X The icon will be displayed on
the upper left.
To erase other images, repeat step 3.
4
Erase the images.
Press the 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).