Canon IXUS 55 - Manual (Page 51)

49
Shooting
Metering Methods
Switching between Metering Modes
Shooting Mode
1 FUNC. Menu * (Evaluative).
See Menus and Settings (p. 26) .
*Default setting.
Use the or button to select
the metering mode and press the
FUNC./SET button.
Evaluative
Appropriate for standard shooting conditions,
including backlit scenes. The camera divides images
into several zones for metering. It evaluates complex
lighting conditions, such as the position of the subject,
the brightness, the direct light, and the backlighting,
and adjusts the settings to the correct exposure for the
main subject.
Center
Weighted
Average
Averages the light metered from the entire frame, but
gives greater weight to the subject matter at the
center.
Spot
Meters the area within the spot AE point at the center
of the LCD monitor. Use this setting when you want to
set the exposure on the subject in the center of the
monitor.