Canon POWERSHOT SD3500 IS Digital ELPH User Manual page 89

You can change the Metering mode (brightness measuring function) to
match the shooting conditions.
;,I Choose the Metering mode.
Touch FUNC., then drag vertically up or
down the menu on the left to choose C_].
_) Choose an option.
.............Touch an item you want to set.
Touch the item you chose again to
complete the setting.
The setting will appear on the screen.
Suitable for standard shooting conditions, including back lit shots.
E®_ Evaluative Automatically adjusts the exposure to match the shooting
conditions.
Center Averages the light metered from the entire frame, but gives
[3 Weighted Avg. greater weight to the center.
Only rneiers wiihin the [ ] iSpot AE Point ffamei ihat appears at
E._ Spot the center of the screen. When the AF frame mode is set to [Fixed
frame], the Spot AE Point frame will be linked to the AF frame.
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