Canon PowerShot S5 IS User Manual page 152

White dots appear on the image.
Light from the flash has
reflected off dust particles
or insects in the air. This
is particularly noticeable
when shooting using the
wide angle or when you
increase the aperture
value in the aperture-
priority
Eyes appear red.
Light is reflected back
from the eyes when the
flash is used in dark
areas.
Continuous shooting slows down.
The memory card's
performance has
dropped.
Recording images to memory card takes a
long time.
Memory card was
formatted in another
device.
150
mode.
This is a phenomenon that occurs
with digital cameras and does not
constitute a malfunction.
Shoot with [Red-Eye] set to [On]
(p. 42). For this mode to be
effective, the subject must be
looking right at the red-eye
reduction lamp. Try asking them to
look directly at the lamp. Even
better results can be obtained by
increasing the lighting in indoor
settings or approaching closer to
the subject.
You can correct red eyes in
recorded images using the [Red-
Eye Correction] (p. 115).
To enhance the continuous
shooting performance, you are
recommended to low level format
the memory card in the camera
after you save all its images to your
computer (p. 37).
Use a memory card formatted in
your camera (p. 37).