Canon 200 IS - Manual (Page 100)

100
You can set the exposure or change it in 1/3 steps within a range of ±2.
Focus.
● Press the shutter button halfway to focus.
Lock the exposure.
● After releasing the shutter button, press
the
r button to lock the exposure. The
exposure shift bar appears.
● Press the r button again to release the
lock.
Change the exposure.
● While watching the screen, turn the Â
dial to adjust the brightness.
Shoot.
AE Lock/Exposure Shift