Canon PowerShot A710 IS Advanced User's Manual page 96

Image contains noise.
ISO speed is too high.
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 AE mode.
Eyes appear red.
Light is reflected back from
the eyes when the flash is
used in dark areas.
94
Higher ISO speeds and
ISO Auto) setting may increase
image noise. For higher image
quality, use as low an ISO speed
as possible (p. 62).
In , , ,
modes in the
speed increases and noise can
appear.
This is a phenomenon that occurs
with digital cameras and does not
constitute a malfunction.
Use the (red-eye reduction)
mode (Basic Guide p. 12). 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. The shutter
will not activate for approximately
1 second after the red-eye
reduction lamp fires in order to
improve the effect.
(High
, and
mode, the ISO