Canon Powershot A40 User Manual page 58

¡The flash may take approximately 10 seconds to
charge. Recharging time may vary with the state of the
battery charge.
¡In
full intensity when in macro mode). The flash intensity
is automatically adjusted except in
¡The flash fires twice. A preparatory pre-flash is followed
by the main flash. The exposure readings obtained from
the subject with the pre-flash are used to set the
optimal flash intensity for the main flash, which is used
to shoot the image.
Red-Eye Reduction
¡Light reflecting back from eyes can make them appear
red when the flash is used in dark areas. Under these
conditions, use the red-eye reduction mode*. 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 shooting with the lens set to the wide-angle position,
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. If you wish a more immediate shutter response, set
the flash setting to any setting other than the red-eye
reduction auto setting.
54
mode, the flash fires at full intensity (but less than
mode.