Canon 200 IS - Manual (Page 111)

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You can magnify the area of a recorded image that was inside the AF Frame,
or the area of a face that was detected, to check the focus.
Press the
p button, and switch to
the focus check display (p. 45) .
X A white frame will appear where the AF
frame or face was when the focus was set.
X A gray frame will appear on a face
detected during playback.
X The area within the orange frame appears
magnified.
Switch frames.
● Move the zoom lever toward k to change
the display.
X The screen shown to the left will appear.
● Press m to move to a different frame
when multiple frames appear.
Change the magnification level or
location.
● Use the zoom lever to change the display
size, and the
opqr buttons to change the
display position while checking the focus.
● Pressing the n button resets the
display to Step 1.
Checking the Focus
Quickly checking the focus (Active Display)
If you shake the camera gently as shown in the
illustration, you can quickly switch to the focus
check display. If you gently shake the camera
again when multiple frames are displayed, you
can switch to another frame. If you shake the
camera again after you reach the last frame, you
will cycle back to the first frame.