Shutter Button Function For Movies - Canon EOS-1D X Mark III Advanced User's Manual

Shutter Button Function for Movies

You can set the functions performed by pressing the shutter button halfway or completely
during movie recording.
Caution
In movie recording, the [Shutter btn function for movies] setting overrides any
function assigned to the shutter button in [
1.
Select [ : Shutter btn function for movies].
6: Custom Controls].
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