Canon EOS 70DN Basic Instruction Manual page 539

C.Fn II -13
Fine adjustment of the AF's point of focus is possible for viewfinder shooting or
Live View shooting in the Quick mode. For details, see page 377.
C.Fn III: Operation/Others
C.Fn III -1
0: Normal
1: Reverse direction
The dial's turning direction for setting the shutter speed and aperture can be
reversed.
In the <a> shooting mode, the turning direction of the <6> and <5>
dials will be reversed. In the o her shooting modes, the turning direction of
only the <6> dial will be reversed. The <5> dial's turning direction will be
he same for the <a> mode and for setting the exposure compensation.
C.Fn III -2
When he <R> switch is set upward, it will prevent the <6> and <5>
dials and <9> from accidentally changing a setting.
Select the camera control you want to lock, hen press <0> to append a
checkmark <X> and select [OK].
6: Main Dial
5 : Quick Control Dial
9 : Multi-controller
If the <R> switch is set and you try to use one of the locked
camera controls, [L] will be displayed in the viewfinder and on the LCD
panel. Also, on the shooting function settings display (p.49), [LOCK] will
be displayed.
By default, when the <R> switch is set upward, the <5> dial will
be locked.
AF Microadjustment
Dial direction during Tv/Av
Multi function lock
3 Custom Function SettingsN
375