Canon 510 HS - Manual (Page 108)

Image Brightness (Exposure Compensation)
108
Adjust the metering method (how brightness is measured) to suit shooting
conditions as follows.
z Touch H, choose in the menu, and
choose the desired option (p. 49).
X The option you configured is now displayed.
z Touch H, choose in the menu, and
choose the desired option (p. 49).
X The option you configured is now displayed.
Changing the Metering Method
Still Images
Evaluative
For typical shooting conditions, including backlit shots.
Automatically adjusts exposure to match the shooting conditions.
Center
Weighted Avg.
Determines the average brightness of light across the entire image
area, calculated by treating brightness in the central area as more
important.
Spot
Metering restricted to within the (Spot AE Point frame),
displayed in the center of the screen. Note that in [Fixed frame]
(p. 117) AF frame mode, the Spot AE Point frame links to the AF
frame.
Changing the ISO Speed
Still Images
Automatically adjusts the ISO speed to suit the shooting mode and
conditions.
Low
High
For shooting outdoors in fair weather.
For shooting in cloudy conditions, or at twilight.
For shooting night scenes, or in dark rooms.