Canon Powershot SX20 IS User Manual page 128

Erasing All Images
Select Range
Choose All Images
128
Press the n button.
Erase.
Press the qr buttons or turn the  dial
●
to choose [OK] and press the m button.
Choose [Select Range].
●
Follow Step 2 on p. 127 to choose [Select
Range] and press the m button.
●
Follow Steps 2 and 3 on p. 125 to choose
images.
Erase.
Press the p button to choose [Erase],
●
then press the m button.
Choose [All Images].
●
Follow Step 2 on p. 127 to choose [All
Images] and press the m button.
Erase.
Press the qr buttons or turn the  dial
●
to choose [OK] and press the m button.