Canon PowerShot S400 Service Manual page 84

4 When the message on the right appears, go to 5.
5 1. Place the Auto Focus Chart (2) at 135.0cm away
from the front of the camera finder.
* Place the Auto Focus Chart on a plain color
wall or equivalent.
* Adjust the light so that the brightness of the
chart will be about EV8.5.
2. Adjust the position of the camera finely so that
the center of the Auto Focus Chart is aligned
with the center of the LCD.
3. Click the "ADJUST" button.
6 When the message on the right appears, click the
"FINISH" button.
(This ends the "Optical Unit" Adjustment.)
CHAPTER 3. REPAIR INSTRUCTION
Personal
Computer
3-37
Auto Focus Chart (2)
135.0cm
Power
Source
CAMERA
BODY
Tripod