Canon A100 - Manual (Page 60)

% Using the Flash .
Auto
The flash fires automatically as
required by the light level.
Red-Eye
Reduction.
Auto
The flash may fire autorraticaily
©
as required by the light level.
The red-eye reduction lamp
llres with each shot.
o
On The flash will fire.
© Off The flash will not fire.
Slow-
Synchro
The flash timing is adjusted to
slow shutter speeds. This
reduces the chance that the
background wili be dark when
shots are taken at night or in
rooms with artificial lighting.
The red-eye reduction lamp
fires with each shot. Use of a
tripod is recommended.