Canon PowerShot SD900 User Manual page 149

The subject is
underexposed because
the surroundings are too
bright.
Subject is too far away
for flash to reach.
The subject is
overexposed because
the surroundings are too
dark.
Too much light is shining
into the camera,
reflected off
ISO speed is too high.
eSet the flash to
U
(flash on) (Basic
Guide
eSet the exposure compensation to a
positive (+) setting (p. 52).
eUse AE lock or use the spot metering
function 49,
eShoot within correct shooting
distance of the subject when using
the built-in flash (p. 130).
eRaise the ISO speed and then shoot
(p.65).
eShoot within correct shooting
distance of the subject when using
the built-in flash
e Set the exposure compensation to a
negative (-) setting (p. 52).
e Use AE lock or use the spot metering
function 49,
eChange the shooting angle.
(flash off) (Basic
eHigher ISO speeds and the
~
(High
ISO Auto) setting may increase image
noise. For higher image quality, select
as Iowan ISO speed as possible (p.
65).
eln ~, ~,
fI,
lQ,
~, ~, ~ and
~
modes, the ISO speed increases
and noise can
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