Canon PowerShot S100 DIGITAL ELPH User Manual page 31

Four red bars appear at the top of each menu. Each one represents,
from left to right, the [Rec. Mode], [+/- (Exp.)], [White Balance] and
[Setup] menus. The bar for the currently selected menu becomes
orange. Bars displayed in gray represent menus that cannot be
displayed in the shooting mode which is currently selected.
Displays Nine Images
(Multi Image Display)
Closes the Setup menu and
prepares the camera for shooting.
Switches between
Sets of Nine Images
Basic Functions 29