Canon D10 - Manual (Page 107)

107
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
l button, and switch
to the focus check display (p. 45) .
A white frame will appear where the AF
frame or face was when the focus was
set.
A gray frame will appear on a face
detected during playback.
The area within the orange frame appears
magnified.
Change the magnification level or
location.
● Press the k button once.
● Use the k or g button to change the
display size, and the opqr buttons to
change the display position while
checking the focus.
Switch frames.
● Pressing the m button will switch to a
different frame.
● Pressing the n button resets the
display to Step 1.
Checking the Focus