Canon EOS 7D Instruction Manual page 56

C Creative Auto Shooting
Shutter speed and aperture
(1) Flash firing
<a> (Auto firing), <D> (Flash on), or <b> (Flash off) can be
selected.
(2) Blurring/sharpening the background
If you move the index mark toward the left, the background will look
more blurred. If you move it toward the right, the background will
look more in focus.
Depending on the lens and shooting conditions, the background
might not look so blurred. This setting cannot be set (grayed out)
while the built-in flash is popped up. When flash is used, it will not be
applied.
(3) Adjusting the picture brightness
If you move the index mark toward the left, the picture will look
darker. If you move it toward the right, the picture will look brighter.
56
(6)
Battery check
(1)
(2)
(3)
(4)
(5)
Possible shots
Maximum burst