Canon VIXIA HF S10 Instruction Manual page 99

Magnifying Photos during Playback
In single photo view, photos can be magnified up to 5 times. _ will
appear for photos that cannot be enlarged.
1 Move the zoom _ever toward T.
The photo is magnified by 2 times and a
frame appears indicating the position of
the magnified area.
To further enlarge the photo, move the
zoom lever toward T, To reduce the
magnification times, move it toward W,
2 Move (A_', 4_) the frame to the part
of the photo you want to see enBarged.
To cancel the magnification, move the zoom lever toward W until the
frame disappears,
Phi: tos _,99