Canon MARK IV User Manual (en)

Basic Operation
After pressing a button, turn the 
6> dial.
When you press a button, its function 
remains selected for 6 seconds (9). 
During this time, you can turn the <6> 
dial to set the desired setting. When the 
function selection turns off or if you press 
the shutter button halfway, the camera 
will be ready to shoot.
Use the dial to select or set the 
shooting mode, AF mode, metering 
mode, AF point, ISO speed, Picture 
Style, exposure compensation when 
the <O> button is pressed, card, etc.
Turn the <6> dial only.
While looking at the viewfinder or top LCD panel, 
turn the <6> dial to set the desired setting.
Use this dial to set the shutter speed, 
aperture, etc.
The <
> consists of an eight-direction 
key and a button at the center.
Use it to select the AF point, correct 
the white balance, move the AF frame 
or the magnifying frame during Live 
View shooting, or scroll over the 
image during magnified view.
 Making Selections with the Main Dial
 Operating the Multi-controller
You can use <9> to set menu options (except [3 Erase images] and [5 
Format]) (p.45).