Canon EOS 6D Instruction Manual page 268

L Erasing Images
3 Erasing All Images in a Folder or on a Card
You can erase all the images in a folder or on a card at one time. When
[31: Erase images] is set to [All images in folder] or [All images on
card], all the images in the folder or on the card will be erased.
To also erase protected images, format the card (p.53).
268
Select [Select and erase images].
2
Select [Select and erase images],
then press <0>.
An image will be displayed.
If you press the <u> button and turn
the <6> dial counterclockwise, you
can select an image from a three-
image display. To return to the single-
image display, turn the <6> dial
clockwise.
Select the images to be erased.
3
Turn the <5> dial to select the
image to be erased, then press
<0>.
A checkmark <X> will be displayed
on the upper left of the screen.
To select other images to be erased,
repeat step 3.
Erase the image.
4
Press the <L> button.
Select [OK], then press <0>.
The selected images will be erased.