Using The Built-In Flash - Canon PowerShot S1 IS User Manual

Types of CF cards and number of shots
remaining (p. 151).
b b b b Press the FUNC. button and shoot
the image.
34 2. Shooting-The Basics

Using the Built-in Flash

Mode Dial
Use the flash according to the guidelines
below.
The flash operates as shown below when the Flash
Pop-up option (p. 64) is set to [Auto].
The flash fires automatically as required by
Auto with red-
the lighting level, and the red-eye reduction
eye reduction
lamp fires each time the main flash fires.
The flash fires automatically as required by
Auto
the lighting level.
Flash on with
The red-eye reduction lamp and the flash
red-eye
always fire.
reduction
Flash on The flash always fires.
Flash off The flash does not fire.
It may take longer for the camera to autofocus
right after the flash pops up.