To Release the FE Lock
Press the 
button.
The FE lock may be released by pressing the zoom lever, MENU
button or button, or by changing the white balance, ISO speed, photo effect or the shooting mode, or by turning the LCD monitor off.
Switching between Metering Modes
Shooting Mode 
You can switch between metering modes to shoot.
Appropriate for standard shooting conditions, including backlit scenes. The camera divides images into several zones for light metering. It evaluates
Evaluative 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 Averages the light metered from the entire frame, but
Weighted
Average 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.
1 Press the 
button to switch
between metering modes.
The selected metering mode appears on the LCD monitor.
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