Canon PowerShot S400 Digital Elph User Manual page 69

You c an lock t he flash e xposure so that t he exposure settings are
correctly set f oraparticular portion ofyour subject.
• Turn on the LCD monitor.
• Set the flash to [] and focus on the
part of the subject on which you wish
to lock the flash exposure setting.
• Pressthe shutter button halfway and
wait untiJ two beeps sound.
• Without re)easing your finger, press the
[] button.
• The flash will fire a preqlasb and lock
the flash exposure to the required
intensity to illuminate the subject.
• The [] icon will display.
• Re-aim the camera to compose the shot
and press the shutter button all the
way.
• To release the FElock, press the []
butlon,
The FE lock may also release if you press any button other
than the [] button.