Canon POWERSHOT SX100 IS User Manual page 39

I
106 _
Various Shooting Methods
You cannot change the AF frame setting while focusing
manually. Cancel the manual focus mode, then change the AF
frame setting.
Using the Manual Focus in Combination with
the Auto Focus (Safety MF)
First, manual focus is used to roughly focus, then from that focus
position the camera automatically focuses more accurately.
* Not available in _ or E_ mode.
1. Press the _ button.
2. In the [] menu, use the ÷ or 41,
button to select [Safety MF].
1. Use the ÷ or "I_ button to select [On]
or [Off].
2. Press the _ button.
3 First focus manually and then press the
shutter button halfway.
.... nt0ff°cus ............
TO shoot, press the shutter button all the way
down (press fully).