Canon Digital IXUS 990 IS User Manual page 114

/ Erasing All Images
Select Range
114
Select [Select Range].
Follow Step 2 on
Range] and press the m button.
Select the starting image.
Press the m button.
Press the qr buttons or turn the  dial,
select the image and press the m button.
Select the ending image.
Press the r button, select [Last image]
and press the m button.
You cannot select images before the first
image.
Press the qr buttons or turn the  dial to
select an image, and press the m button.
p. 112 to select [Select