Canon EOS 1D Mark II N Instruction Manual page 132

Erasing Images
3 Erasing All Images in the Memory Card
Once an image is erased, it cannot be recovered. Make sure you no
longer need the image before erasing it.
132
1
Select [Erase all on card].
Select the <
Hold down the <
turn the <
on card]. Then let go of the button.
The confirmation dialog will appear.
2
Erase the images.
Hold down the <
turn the <
Then let go of the button.
All unprotected images on the
memory card will be erased.
After the images are erased, the
menu will reappear.
x
> tab.
X
> button and
5
> dial to select [Erase all
X
> button and
5
> dial to select [OK].