Canon PowerShot S2 IS User Manual page 150

All images on a memory card
Select [Mark All] as in Step 2, and press the
SET button. To select all images, select [OK]
with the or
button.
To cancel all print selections, select [Reset].
4
Press the MENU button.
The selection mode will turn off and the Transfer Order menu will reappear.
Images are transferred in order from oldest to newest by the shooting
date.
A maximum of 998 images can be selected per memory card.
148
button, and press the SET