Canon EOS Rebel XS Instruction Manual page 43

Basic Shooting and
mmage P ayback
This chapter explains how to use the Basic Zone modes
on the Mode Dia_ for best results and how to ptayback
images.
With the Basic Zone modes, all you do is point and shoot and
the camera sets everything automatically Also, to prevent
botched pictures due to mistaken operations, shooting settings
cannot be changed in the Basic Zone modes The settings
(functions set automatically) which cannot be set by the user
are grayed out
[] About the Auto Lighting Optimizer
In Basic Zone modes the Auto Lighting Optimizer will operate to
adjust the image automatically to obtain the optimum bdght,,_ess and
contrast. _tis also set by default in Creative Zone medes (p. 156).