Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 848)

Multi function lock
With the power switch set to < >, this function can prevent settings from being
changed by accidentally touching < >, < >, < >, < >, or the touch-screen
panel.
Select the camera controls to lock by setting the switch to <
>, then press < > to
add a checkmark [ ]. Select [ OK ] to register the setting.
: Main Dial
The Main dial and vertical-grip Main dial will be locked.
: Quick Control Dial
The Quick control dial will be locked.
: Multi-controllers
The Multi-controller and vertical-grip Multi-controller will be locked.
: Touch control
Touch operations will be locked.
: Smart controller
The Smart controller will be locked.
Note
Attempting to use any locked camera controls (except [ Touch control ]) causes
< > to appear in the viewfinder and top LCD panel and [ ] to appear on
the Quick Control screen ( ) and Custom Quick Control screen ( ).
By default, the < > dial is locked when the power switch is set to < >.
Custom Controls
You can assign frequently used functions to camera buttons or dials according to your
preferences for easy operations. For details, see
Custom Controls .
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