Canon EOS-3 Instructions Manual page 18

Basic Operation
2. After pressing a button, turn the <
When a button is pressed, its function turns on for 6 or 16 seconds.
You then look at the LCD panel and turn the <
time. After the function turns off or when the shutter button is pressed
halfway again, the camera will be ready to take a picture.
Buttons which turn on for 6 or 16 seconds are indicated in these
Instructions with the following icons:
6
( ): The button's function remains active for 6 seconds after the button is released.
( 16 ): The button's function remains active for 16 seconds after the button is released.
3. Just turn the <
While looking at the LCD panel, you can set the shutter speed,
aperture, or another setting.
18
> dial.
> dial.
> dial during this
1 After a button
is pressed...
2Turn the <
>.