Canon POWERSHOT A3100IS User Manual page 101

_ Erasing All images
You can erase all images at once. Since erased images cannot be
recovered, exercise adequate caution before erasing. Protected images
(p. 98) cannot be erased.
@ Choose A|J |mages
Choose [Erase].
_, Press the MENU button, choose [Erase] in
the [] tab, and press the @ button.
2 Choose [All images].
_ Press the A'_," buttons to choose [All
Images], then press the @ button.
Erase.
_ Press the '_ buttons to choose [OK], then
press the @ button.
/!*>All images will be erased.
@ Pressing the MENU button will restore the
menu screen.
Choose [Erase all].
@ Press the MENU button, choose [Erase all]
in the [] tab, and press the @ button.