Canon EOS-1D X Mark III Advanced User's Manual page 99

Note
If [ : Beep] is set to [Touch
Responsiveness to touch operations can be adjusted in [ : Touch control] (
Touching the screen does not change settings (touch control is disabled) when [
(VF shoot) Safety lock] is selected in [ : Touch control] and you have specified
button operations (except for menu-based function setup) for the following
functions. This enables you to avoid changing settings accidentally by touching the
screen with your nose.
• White balance
• Exposure compensation
• ISO speed
• Shooting mode
• AF operation/drive mode
• Flash exposure compensation/Metering mode
• AEB setting
• AF point selection
], the beep will not sound for touch operations (
99
).
).